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DC Inverter Multi

VRF Service Manual

43

CONTROL

4�2 Operation View

SINGLE

FORCE

MELT

AUTO

FUNC

MODE

FAN

SWING

TIMER

ON/OFF

TIMER

SWING

ON OFF

FAN

SPEED

ERROR

SHEILD

SET

ROOM TEMP

INQUIRY

CENTER

1 2 3 4 5 6 7 8
9 10 11 12 13 14 15 16

LOCK

HR

1

2

3

4

5

6

7

Fig.4.2

Instruction to functions of buttons (Table 4.2)

No.

Name

Function

1

FUNC

(FUNCTION)

A. Switch the control mode of inquiry/single/ central control.
B. In central control status, give the central order by successively pressing FUNC button.

2

MODE

Set cooling/heating/fan/dry mode for indoor unit

3

▲

A. Inquiry status: cycle, increase or decrease No. of indoor units
to easily inquire the status of each indoor unit.
B. Single/Central control status: set running temp. of indoor unit, maximum is 30 and minimum is 16 .
C. Timer setting status: increase or decrease the timer on/off time, maximum is 24hr and minimum is 0.

4

▼

5

FAN

A. Set the indoor fan speed of hi/mid/low/auto.
B. Successively press FAN button to set on/off swing.

6

TIMER

A. Under single/central control mode, set on /off timer of selected indoor unit
B. Under inquiry status, inquire the timer setting of the indoor unit with current address.

7

ON/OFF

Set ON/OFF of the indoor unit.

2MODE and

7 ON/OFF

Lock

Under single/central control, press MODE and ON/OFF buttons simultaneously to start/
stop the lock of operation to buttons of wired controller for selected indoor units.

2MODE and

6 TIMER

Shield mode

Under single/central control, press MODE and TIMER simultaneously to start/ stop the
shield of operation to MODE button of wired controller for selected indoor unit.

4 ▼and

6 TIMER

Shielding Temp.

Under single/central control, press ▼ and TIMER simultaneously to start/ stop the

shield of operation to Temp button of wired controller for selected indoor unit.

7 ON/OFF and

6 TIMER

Shielding

ON/OFF

Under single/central control, press ON/OFF and TIMER simultaneously to start/ stop the
shield of operation to ON/OFF button of wired controller for selected indoor unit.

2 MODE

and 3 ▲

Memory mode

Refer to power-off memory function about the details.

4 ▼and

7 ON/OFF

Selection

of function

A. Check the control mode of region monitoring controller / region wired controller
B. Set the control mode of region monitoring controller / region wired controller

Note:

① .

The characters with gray back ground indicate buttons. Following part is the same to it.

② .

The time of single press of the button is more than 3s, which means successively-press.

③ .

There isn‘t the function that the region wired controller shields other indoor wired controller.

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Содержание CN851W1000

Страница 1: ...DCINVERTERMULTIVRFSERVICEMANUAL T1 R410A 50Hz GC201107 CENTRAL AIR CONDITIONERS ...

Страница 2: ...door Unit 26 2 WIREDLESS REMOTE CONTROLLER 28 2 1 Wiredless Remote Controller Y512 28 2 2 Wiredless Remote Controller YB1FA 31 3 WIRED REMOTE CONTROLLER 36 3 1 Wired Controller Z60351F Z60151F Z63351F Z63151F 36 3 2 Wired Controller XK02 38 4 REGIONAL CONTROLLER 42 4 1 Function 42 4 2 Operation View 43 4 3 Display View 44 4 4 Connection Between Controller and Unit 45 5 SMART ZONE CONTROLLER 46 5 1...

Страница 3: ...into Consideration 97 4 INSTALLATION REQUIREMENTS OF REFRIGERANT PIPING 98 4 1 Specification 98 4 2 Allowable Length and Height Differences of the Refrigerant Piping between the Indoor and Outdoor Units 98 4 3 Refrigerant Pipe Size 100 4 4 Selection of Y Type Branch Pipe 100 4 5 Selection of Refrigerant Piping between Outdoor Unit and Outdoor Unit for module unit 101 4 6 Outdoor unit piping sequen...

Страница 4: ...ebugging 143 3 2 Inspection before Debugging 144 3 3 Debugging 149 3 4 Debugging of Cooling Mode 150 3 5 Running of Heating Mode 153 3 6 When the debugging is finished sort out and save the data Record the trouble and troubleshooting during the debugging for future reference Then make a debugging report and turn over it to users 153 4 MAIN PARAMETERS AND REFERENCE VALVES FOR DEBUGGING 154 5 COMMON...

Страница 5: ...IPM Protecion 191 2 13 Trip 192 2 14 Superheat Protection of Radiator 193 2 15 DC Overvoltage Protection 194 3 POWER DISTRIBUTION 195 3 1 Diagram of Power Distribution 195 3 2 Introduction of Main Electric Parts of Inverter System 195 3 3 Wiring diadram 196 4 TABLE OF THE RESISTANCES OF COMMON TEMPERATURE SENSORS 198 4 1 15kΩ 198 4 2 20kΩ 200 4 3 50kΩ 202 5 FEATURES OF THE HIGHT LOW PRESSURE SENSO...

Страница 6: ...DC Inverter Multi VRF Service Manual 1 PRODUCT PRODUCT ...

Страница 7: ...ing Capacity Power supply Appearance kW kW GMV Pdm224W NaB M CN851W1000 22 4 25 0 380 415V 3Ph 50Hz GMV Pdm280W NaB M CN851W1010 28 0 31 5 380 415V 3Ph 50Hz GMV Pdm335W NaB M CN851W1020 33 5 37 5 380 415V 3Ph 50Hz GMV Pdm400W NaB M CN851W1030 40 0 45 0 380 415V 3Ph 50Hz GMV Pdm450W NaB M CN851W1040 45 0 50 0 380 415V 3Ph 50Hz ...

Страница 8: ...C Inverter Multi VRF Service Manual 3 PRODUCT Appearance Model GMV Pdm W NaB M 224 280 335 400 450 504 560 615 670 730 785 850 900 950 1008 1065 1130 1180 1235 1300 1350 GMV Pdm W2 NaB M GMV Pdm W3 NaB M ...

Страница 9: ...2 d Noise was tested in semi silenced room so the actual noise value will be a little higher for change of environment e The charge amount of R410A in the list is only the sealed amount when outdoor unit is outgoing When installing calculate f the additional charge amount according to actual length of pipe and the matched indoor units g Nominal capacities are based on the following conditions CAUT...

Страница 10: ...roduct serial number 9 Power supply M 3808 415V 3Ph 50Hz 3 FUNCTION For Comfortable Air Conditioning Auto Restart Fan Operation Mode LCD Remote Controller Option Auto Swing Function Ceiling Soiling Prevention Program Dry High Fan Speed Mode High Ceiling Application Two Select Thermal Sensor Hot Start Timer Selector For Easy Construction and Maintenance Fresh Air Intake Directly from The Unit Drain...

Страница 11: ... Depth mm 850 850 850 Height mm 1850 1850 1850 Net Weight kg 255 255 350 Gross Weight kg 275 275 380 Loading Quantity 20 Container unit 12 12 7 Loading Quantity 40 Container unit 24 24 16 Loading Quantity 40 High Cube Container unit 24 24 16 Notes The sound level is tested under circumstance of semi anechoic chamber the value of noise could be a little higher in actual operation The data will chan...

Страница 12: ... 1420 1420 1010 1010 Depth mm 850 850 850 850 Height mm 1850 1850 1850 1850 Net Weight kg 350 370 255 255 Gross Weight kg 380 400 275 275 Loading Quantity 20 Container unit 7 7 Loading Quantity 40 Container unit 16 16 Loading Quantity 40 High Cube Container unit 24 24 Notes The sound level is tested under circumstance of semi anechoic chamber the value of noise could be a little higher in actual o...

Страница 13: ... 770 770 770 Height mm 1670 1670 1670 1670 1670 1670 Dimensions of Package Width mm 1010 1010 1010 1420 1010 1420 Depth mm 850 850 850 850 850 850 Height mm 1850 1850 1850 1850 1850 1850 Net Weight kg 255 255 255 350 255 350 Gross Weight kg 275 275 275 380 275 380 Loading Quantity 20 Container unit Loading Quantity 40 Container unit Loading Quantity 40 High Cube Container unit Notes The sound leve...

Страница 14: ...0 770 770 770 770 770 Height mm 1670 1670 1670 1670 1670 1670 Dimensions of Package Width mm 1010 1420 1420 1420 1420 1420 Depth mm 850 850 850 850 850 850 Height mm 1850 1850 1850 1850 1850 1850 Net Weight kg 255 370 350 370 350 370 Gross Weight kg 275 400 380 400 380 400 Loading Quantity 20 Container unit Loading Quantity 40 Container unit Loading Quantity 40 High Cube Container unit Notes The s...

Страница 15: ...930 1340 Depth mm 770 770 770 770 770 770 770 770 Height mm 1670 1670 1670 1670 1670 1670 1670 1670 Dimensions of Package Width mm 1420 1420 1010 1010 1420 1010 1010 1420 Depth mm 850 850 850 850 850 850 850 850 Height mm 1850 1850 1850 1850 1850 1850 1850 1850 Net Weight kg 370 370 255 255 350 255 255 370 Gross Weight kg 400 400 275 275 380 275 275 400 Loading Quantity 20 Container unit Loading Q...

Страница 16: ...340 1340 930 1340 1340 Depth mm 770 770 770 770 770 770 770 770 770 Height mm 1670 1670 1670 1670 1670 1670 1670 1670 1670 Dimensions of Package Width mm 1010 1420 1420 1010 1420 1420 1010 1420 1420 Depth mm 850 850 850 850 850 850 850 850 850 Height mm 1850 1850 1850 1850 1850 1850 1850 1850 1850 Net Weight kg 255 350 370 255 350 370 255 370 370 Gross Weight kg 275 380 400 275 380 400 275 400 400...

Страница 17: ...1340 1340 1340 1340 1340 Depth mm 770 770 770 770 770 770 770 770 770 Height mm 1670 1670 1670 1670 1670 1670 1670 1670 1670 Dimensions of Package Width mm 1420 1420 1420 1420 1420 1420 1420 1420 1420 Depth mm 850 850 850 850 850 850 850 850 850 Height mm 1850 1850 1850 1850 1850 1850 1850 1850 1850 Net Weight kg 350 370 370 350 370 370 370 370 370 Gross Weight kg 380 400 400 380 400 400 400 400 4...

Страница 18: ... 930 1340 1340 930 930 1340 1340 930 1340 1340 1340 Depth mm 770 770 770 770 770 770 770 770 770 770 770 770 Height mm 1670 1670 1670 1670 1670 1670 1670 1670 1670 1670 1670 1670 Dimensions of Package Width mm 1010 1010 1420 1420 1010 1010 1420 1420 1010 1420 1420 1420 Depth mm 850 850 850 850 850 850 850 850 850 850 850 850 Height mm 1850 1850 1850 1850 1850 1850 1850 1850 1850 1850 1850 1850 Net...

Страница 19: ...40 1340 1340 930 1340 1340 1340 1340 1340 1340 1340 Depth mm 770 770 770 770 770 770 770 770 770 770 770 770 Height mm 1670 1670 1670 1670 1670 1670 1670 1670 1670 1670 1670 1670 Dimensions of Package Width mm 1010 1420 1420 1420 1010 1420 1420 1420 1420 1420 1420 1420 Depth mm 850 850 850 850 850 850 850 850 850 850 850 850 Height mm 1850 1850 1850 1850 1850 1850 1850 1850 1850 1850 1850 1850 Net...

Страница 20: ...670 1670 1670 1670 1670 1670 1670 1670 Dimensions of Package Width mm 1420 1420 1420 1420 1420 1420 1420 1420 Depth mm 850 850 850 850 850 850 850 850 Height mm 1850 1850 1850 1850 1850 1850 1850 1850 Net Weight kg 350 370 370 370 370 370 370 370 Gross Weight kg 380 400 400 400 400 400 400 400 Loading Quantity 20 Container unit Loading Quantity 40 Container unit Loading Quantity 40 High Cube Conta...

Страница 21: ...16 DC Inverter Multi VRF Service Manual PRODUCT 5 PIPING DIAGRAM 5 1 Piping diagram of GMV Pdm224W NaB M GMV Pdm280W NaB M 1 7 8 18 9 10 11 12 13 19 20 24 17 27 28 26 29 22 21 14 15 16 3 6 4 5 2 23 25 ...

Страница 22: ...ogether 3 High pressure switch for INV When the discharge pressure of the inverter compressor exceeds the upper limit of the high pressure switch a feedback signal will be sent out to stop the unit immediately so as to protect the compressor 4 High pressure switch for STD1 STD2 When the discharge pressure of the fixed frequency compressor exceeds the upper limit of the high pressure switch a feedb...

Страница 23: ...oling mode 17 Filter drier It is used to absorb moisture in the system so as to avoid ice plug or copper plating on the surface of the compressor 18 High pressure sensor It is used to detect the real time high pressure for protecting the compressor and other controls 19 Low pressure sensor It is used to detect the real time low pressure for protecting the compressor and other controls 20 Solenoid ...

Страница 24: ...DC Inverter Multi VRF Service Manual 19 CONTROL CONTROL ...

Страница 25: ...f its function i e main control system and inverter drive control system 1 1 2 DC Inverter Unit 1 Main control system A Functions main control system shall be connected to indoor unit through 2 core 3 core pin header communication cable in order to receive start or stop commands mode setting temperature and ambient temperature from indoor unit determine operation mode of outdoor unit and through c...

Страница 26: ...y of the unit even in a rugged power supply environment the other one is to suppress interferences from power supply in order to prevent the operation of the unit from affecting other appliances such as TV Because inverter unit works in a special way that is relatively sensitive to interferences filter plate is normally arranged Because 3 phase power supply is used for the unit 3 phase filter plat...

Страница 27: ... Start Stop Is The Protecting Is The Start Indicating Display The Last Setting s Of Air Start Display Flickering Abnormality Code Display Press The Start Stop Switch Start Indicating Light ON Air Volume Setting Display Displaying Air Supply Direction Setting Display Displaying Temperature Setting Display Displaying Start Display OFF Abnormal Mode Display Air Supply Or Temperature Cooling Or Heatig...

Страница 28: ...here Is Not There Is Yes No Temperature Adjustment In The Process Of Preventing Restart Operation 3 Minutes Guide Louver Cooling Operation Guide Louvers Swing Fan Motor Operation Electronic Expansion Valve Capacity Control Fan Motor Stop Electronic Expansion Valve Close ...

Страница 29: ...ing Restart Operation 3 Minutes In The Operation Of Defrosting Temperature Adjustment Fan Motor As Per Set Air Supply Speed In The Process Of Preventing Cold Air Electronic Expansion Valve Capacity Control Fan Motor Stop Fan Motor Stop Electronic Expansion Valve Close Fan Motor Stop Electronic Expansion Valve Close Defrosting Control Yes Yes Yes Yes No No No No A ...

Страница 30: ...at set speed Electronic expansion valve controlled in air supply mode A Yes No Drying running Drying running Guide Louver Guide louver is swaying Fan running at low speed Is restart being avoided 3 minutes Temperature regulation Electronic expansion valve capacity control A No Yes Yes Yes No No Electronic expansion valve stop Fan stop ...

Страница 31: ... 3 minutes Air supply or temperature regulation The unit is powered on Cooling or heating Cooling running Heating running Press the run stop switch Abnormality indicator of outdoor unit bright 4 way valve On while heating Off while cooling and air supply Outdoor fan stop Compressor stop Outdoor electronic expansion valve stop Air supply Temperature regulation Yes No Yes No Yes No Cooling Heating A...

Страница 32: ...valve fully open Heating running 4 way valve open Heating running Is startup being initialized Is defrost running Is compressor being protected Outdoor fan heating control mode Compressor capacity control B Yes No Yes No Yes No Electronic expansion valve of outdoor unit capacity control 4 way valve open Compressor initialized Electronic expansion valve of outdoor unit capacity control 4 way valve ...

Страница 33: ...is very hot Press the button to turn on the unit Press the button once again to turn off the unit and cancal the timer ON OFF button FAN DRY COOL HEAT AUTO FAN SPEED FAN button Press the button to change the speed of the fan according to the following order MODE button Press the button to change the mode according to the NOTE The cooling only units have no mode TEMP button Set temp increases 1 c b...

Страница 34: ...he button to set SLEEP mode and stop when repressed When the sleep mode is in the cool and dry mode the set during the set time then the unit will operate according to the temp When sleep mode is in the heat mode the set temp during the set time then the unit will operate according to the set temp Temp Timer button When the unit is operating increase 1 by pressing button once and decrease 1 by pre...

Страница 35: ...insert batteries Two batteries Two AAA dry cell batteries are used by the remote control 1 Remote the cover from the back of the remote control downward take out the worn batteries and insert two new ones Make sure the two poles are correct 2 Re attach the cover 1 All the prints and code no will be showed on the displayer after the insert of batteries The remote control can be operated after 10sec...

Страница 36: ...nder the sunlight or any place where is very hot FAN OPER ONOFF HOUR AUTO ON OFF MODE FAN CLOCK BLOW TURBO SLEEP LIGHT TIMER OFF TEMP TIMER ON ON OFF Press this button the unit will be turned on press it once more the unit will be turnedoff When turning on or turning off the unit the Timer Sleep function will be canceled but the presetting time is still remained MODE Press this button Auto Cool Dr...

Страница 37: ...isplay BLOW at this time the Blow is turned on If repress this button BLOW will be concealed atthis time the Blow function is turned off After powered on Blow OFF is defaulted When operating the ON OFF button orswitching mode to Cool or Dehumidifyingmode the Blow function will keep the originalstatus If unit is turned off Blow OFF onlycan be set up and send the signal In Auto Fan as well as Heat m...

Страница 38: ...ical section every press of that button the value will be increased or decreased 1 minute Hold pressing or button 2 seconds later it quickly change the way of change is During the initial 2 5 seconds ten numbers change in the one place of minute then the one place is constant ten numbers change in the tens place of minute at 2 5 seconds speed and carry During 5s blink press the Timer button the ti...

Страница 39: ... turbo function If start this function the unit will run at super high fan speed to cool or heat quickly so thatthe ambient temp approachs the preset temp as soon as possible About Blow over heat This function is applicable to partial of models When the unit is running in Heat mode or Auto Heat mode compressor and indoor fan is running to turn the unit off the compressor outdoor fan will stop runn...

Страница 40: ... controller is powered on the new defrost function will be defaulted to be closed 2 2 5 Changing batteries and notices 1 Slightly to press the place with open along the arrowhead direction to push the back cover of wireless remote control As show in figure 2 Take out the old batteries As show in figure 3 Insert two new AAA1 5V dry batteries and pay attention to the polarity As show in figure 4 Att...

Страница 41: ...0351F Z60151F Various Components of Wired Remote Controller 1 Operating mode display Cool Dry Fan Heat 9 On Off button 2 Sleep mode display 10 Timer button 3 Environmental temp display Malfunction display 11 Sleep button 4 Fan control display automatic high media low 12 Swing display 5 Set Temp display 13 Fan control button 6 Defrosting display 14 Temp Timer decrease button 7 Timer display 15 Temp...

Страница 42: ...p mode display 10 Timer button 3 Environmental temp display Malfunction display 11 Swing button 4 Fan control display automatic high media low 12 Swing display 5 Set Temp display 13 Fan control button 6 Defrosting display 14 Temp Timer reducing button 7 Timer display 15 Temp Timer rising button 8 Signal receptor 16 Mode button 3 1 2 Dimension 85 60 85 21 42 5 21 5 Fig 3 1 2 1 Outline Dimension of ...

Страница 43: ...on with power on Get one end of the 4 core communication cable put it through the rectangular hole on the base board on the wire remote controller Hold the base board of controller on the wall then fix it to the wall with M4x25 screw Plug the 4 core communication cable into the slot on the wired remote controller then fix the controller panel with base board together 3 2 Wired Controller XK02 3 2 ...

Страница 44: ...e low or auto fan speed of the indoor unit Twinkle It blinks under on state of the unit without operation of any button F Temperature Ambient preset temperature value Timing Timing state SHIELD SHIELD Shield state buttons temperature On Off Mode or Save is shielded by the remote monitor MEMORY MEMORY Memory state The indoor unit resumes the original setting state after power failure and then power...

Страница 45: ... the unit will be displayed on the wired controller for the cooling only unit while will be displayed on the wired controller for the cooling and heating unit 2 6 Upon startup of the unit without malfunction or under off state of the unit press them at the same time for 5s to enter the lock state in which case any other buttons won t respond the press Repress them for 5s to quit this state 4 5 Mod...

Страница 46: ...er the guidance of Fig 3 2 3 Cut off power supply before install the electrical components it is forbidden to carry out the installation with power on Get one end of the 4 core communication cable put it through the rectangular hole on the base board on the wire remote controller Hold the base board of controller on the wall then fix it to the wall with M4x25 screw Plug the 4 core communication ca...

Страница 47: ...its control is subject to that of the long distance monitor In the same group one of the region controllers can be used as region monitoring controller and matches one or more region wired controller which replace s one or more wired controller in which case the region monitoring controller can also monitor or control the region wired controller Region Controller Project Debugging Setting 00 Funct...

Страница 48: ...ON OFF of the indoor unit 2MODE and 7 ON OFF Lock Under single central control press MODE and ON OFF buttons simultaneously to start stop the lock of operation to buttons of wired controller for selected indoor units 2MODE and 6 TIMER Shield mode Under single central control press MODE and TIMER simultaneously to start stop the shield of operation to MODE button of wired controller for selected in...

Страница 49: ...splayed Set temp value is displayed when the unit is not during timer inquiry or setting 10 No of indoor unit Under inquiry state No of online indoor units are displayed and No of selected indoor unit will blink Under single control state only No of selected indoor unit is displayed Under centralized state No of all online indoor units are displayed 11 Room temp ROOMTEMP is displayed for no malfun...

Страница 50: ...ler can be connected If the region controller is used as a region wired controller wired controller with the indoor unit must be removed Region Controller CN1 CN2 Optional connection 4 core twisted pair line 4 core twisted pair line 1 1 1 1 Main board of Indoor unit 4 core communication line terminal Wired controller or region controller 4 core communication line terminal Fig 5 4 Power cords and c...

Страница 51: ...unit 9 Under the timing or clock setting status it indicates Monday 7 Tue 2 10 It is used for the switchover between unit 2 and unit 10 Under the timing or clock setting status it indicates Tuesday 8 Wed 3 11 It is used for the switchover between unit 3 and unit 11 Under the timing or clock setting status it indicates Wednesday 9 Thu 4 12 It is used for the switchover between unit 4and unit 12 Und...

Страница 52: ...ery week 6 Set temperature Indoor unit code It displays the set temperature indoor unit code 01 16 and symbols of Celsius and Fahrenheit scale 7 Control mode It displays CENTER under the centralized control mode and no display under the single control mode 8 Ambient temperature Serial port It displays the ambient temperature serial port as well as symbols of Celsius and Fahrenheit scale 9 Indoor u...

Страница 53: ...can connect to maximum 3 sets of VRF outdoor units but the indoor unit which it connects can t exceed 16 sets 5 4 2 Relationship of simple centralized controller remote monitoring and centralized controller Communication Module Communication Module Max 16 Central Conrolloer PC Long Distance Monitoring System Max 16 Max 16 Max 16 Port 1 VRF Port 2 VRF Port 3 VRF ㄍMax 16 Indoor Units Smart Zone Cont...

Страница 54: ...120 15 5 5 61 Fig 5 5 1 Installation Dimensions Diagram 5 5 1 2 Interfaces See Fig 5 5 2 for the interfaces of the display board and see Fig 5 5 3 for the interfaces of the power supply module GND 9 8V CN1 COM1 COM2 COM3 COM4 CN2 CN3 CN4 CN5 AC N AC L 9 8V GND CN4 CN1 Fig 5 5 2 Interfaces of the Display Board Fig 5 5 3 Interfaces of the Power Supply Module Board ...

Страница 55: ...ket of the indoor unit c Preparation and connection of the communication line for the duct type unit The communication line for the duct type unit is the two core line provided by Gree one end is the two core head and the other end is the crystal head code 40113325 Where there are N sets of duct type units then N 1 communication lines are needed Connect the two core head of one communication line ...

Страница 56: ...DC Inverter Multi VRF Service Manual 51 CONTROL Fig 5 5 5 Concealed Cable Installation 2 up down wiring Fig 5 5 6 Installation Diagram ...

Страница 57: ...tting will not be saved See Fig 5 5 7 for the debugging operation Fig 5 5 7 shows the indoor unit 1 and indoor unit 2 both of which are connected with the port COM2 The address of one is 01 and the other is 04 Press Mode and Thu simultaneously for five seconds to go to the debugging page Press the code button of the indoor unit to inquire about its corresponding serial port and address Press Confi...

Страница 58: ... E heater protection F0 Ambient temperature sensor error of the indoor unit F1 Error of coil pipe inlet sensor of the indoor unit F2 Error of coil pipe intermediate sensor of the indoor unit F3 Error of coil pipe outlet sensor of the indoor unit F4 Ambient temperature sensor error of the outdoor unit F5 Error of coil pipe inlet sensor of the outdoor unit F6 Error of coil pipe intermediate sensor o...

Страница 59: ...l Both Timer On time and Timer Off time can be set at the same time and it is available to set the timer to which day among the 7 days from Sunday to Saturday works Clock function displays in year month day hour minute and week and the clock can be manually adjusted Indoor and outdoor units online auto detect display and working state indication Self inspection function is remained Centralized Con...

Страница 60: ...rol mode press this button after setting state of indoor unit control to indoor unit would be conducted by corresponding control mode 10 GROUP Press button under checking state to begin information check and set of grouped indoor unit grouped information is for select control 11 TIME Set system time 12 SYSTEM TEST Begin setting of central control run mode it is not recommended to be used by users ...

Страница 61: ...d 9 System time Displays present time format is Y M D H M and week 10 Timer setting Timer On Off on when Timer On Off is set to present indoor unit 11 Pre set temperature Displays value of pre set temperature 12 Swing and Defrost Displays operation of swing at indoor unit and defrost at outdoor unit 13 Ambient temperature Displays value of ambient temperature of present indoor unit 14 System setti...

Страница 62: ...n parameters of indoor units from long distance Single group center weekly timer is to set TIMER ON OFF of the air conditioner from long distance Clock setting is to set week hour and minute and let them show The centralized controller can automatically detect the online region and indoor unit and display present indoor unit s operation mode set temperature fan speed swing weekly timer shield etc ...

Страница 63: ...this button during function setting to cancel the setting For example press CANCEL button when CENTER CONTROL has been set the state will go back to slection of control method 10 UP DOWN LEFT RIGHT For direction indication For example press these buttons in query state to select the indoor unit or communication modules to be queried 11 SWING Set swing or not 12 SPEED Set high medium low or auto fa...

Страница 64: ...ed 4 System s time display Display present time by week hour and minutes 5 ROOM TEMP Room temperature of present indoor unit 6 SET TEMP Set temperature display 7 SHIELD All terperature mode on off shield from long distane 8 Timer setting display Weekly timer display 9 PROCESSING Displayed during sending out control command 10 GROUP NO Group No display 11 INDOOR UNIT Display region No and unit no o...

Страница 65: ...site To be installed in the wall 1 Dirll a hole of of 180mm 106mm 72mm L W D 180 110 72 Wall Fig 6 2 4 1 2 Make 4 pieces of wooden or plastic chucks 21 138 19 64 Wall Wooden chucks or plastic chucks Fig 6 2 4 2 To be installed in the control cabinet Make 4 holes inside the wall of control cabinet according to the following dimension in the figure 138 4 3 3 64 Fig 6 2 4 3 ...

Страница 66: ...her wire hole on the electric box cover should be connected with the wiring terminal on the mainboard of controller as shown in the figure below L connects with live wire N connects with neutral wire and ground wire connects to the corresponding position marked on the electric box Wire hole can be freely set according to actual condition Power cord width connected with wiring terminals shall be in...

Страница 67: ...t Lower cabinet Upper cabinet Buckle Fig 6 2 4 6 5 Connect the electric box cover and lower cabinet with screws according to the following figure Screw hole Fig 6 2 4 7 6 Re assemble the upper cabinet and debugging can begin after this 6 1 4 Connection Between Controller and Unit Communication network The following is a brief sketch of communication net of multi variable units ...

Страница 68: ...the same The communication wire of communication modules or centralized controller shall be equipped according to the distance in the project Gree provides a piece of 2 core communication wire of 1m the user shall extend the wire according to actual condition The centralized controller and the communication module are connected together through a communication line with a crystal connector at both...

Страница 69: ...unication 6 2 6 Debugging In order to ensure normal operation of the centralized controller the address of communication module shall be set after installation work Refer to Communcation Module Instruction for details Fill in the Installation Table refer to table 3 6 2 6 1 Address setting of communication module Set the address of communication module by the DIP switch Before operating DIP switch ...

Страница 70: ...mmunication module check if the setting is correct through the region no on the centralized controller For example the address is set to 01 the centralized shall display region no 01 If the region no 01 is not displayed it proves that the setting is incorrect You should reset the address no according to the Comnunciation Module Instruction and DIP table After normal communication between centraliz...

Страница 71: ...ature protection of compressor E5 Overcurrent protection overload protection of compressor drive malfunction E6 Communication malfunction E7 Modes conflict E8 Indoor fan motor protection E9 Water overflow protection cassette type unit EH E heater protection F0 Ambient temperature sensor malfunction of indoor unit F1 Malfunction of coil pipe inlet sensor of indoor unit F2 Malfunction of coil pipe i...

Страница 72: ...0 0 1 1 0 0 0 0 12 0 0 1 1 0 1 0 0 44 1 0 1 1 0 0 0 0 13 1 0 1 1 0 1 0 0 45 0 1 1 1 0 0 0 0 14 0 1 1 1 0 1 0 0 46 1 1 1 1 0 0 0 0 15 1 1 1 1 0 1 0 0 47 0 0 0 0 1 0 0 0 16 0 0 0 0 1 1 0 0 48 1 0 0 0 1 0 0 0 17 1 0 0 0 1 1 0 0 49 0 1 0 0 1 0 0 0 18 0 1 0 0 1 1 0 0 50 1 1 0 0 1 0 0 0 19 1 1 0 0 1 1 0 0 51 0 0 1 0 1 0 0 0 20 0 0 1 0 1 1 0 0 52 1 0 1 0 1 0 0 0 21 1 0 1 0 1 1 0 0 53 0 1 1 0 1 0 0 0 22 0...

Страница 73: ...e individual nets Before normal use of central control do conduct addresses setting and adjusting to communication system by installation personnel Only after that can the central control offered to be used by user 6 4 Case Study Take one floor of an office building for example to illustrate wiring and debugging of the centralized control system In this floor there are 2 assembly rooms 8 offices a...

Страница 74: ...red communication modules pinboard Quantity of indoor units Corresponding rooms of indoor units Unit1 GMV Pdm450W NaB M 1 0 12 Room Address of communication module Address of indoor unit Office 1 01 1 2 Office 2 3 4 Office 3 5 6 Office 4 7 8 Office 5 9 10 Office 6 11 12 Unit 2 GMV Pdm280W NaB M 2 2 20 Room Address of communication module Address of indoor unit Office 7 02 1 2 Office 8 3 4 Assembly...

Страница 75: ...ddress 7 8 Office No 5 Address 9 10 Office No 6 Address 11 12 Office No 8 Address 3 4 Office No 7 Address 1 2 Assembly Room No 1 Address 1 4 Assembly Room No 2 Address 5 9 A D C Centralized controller ZJ 7011 Monitor Room Net 1 B Net 2 Net 2 Net 3 Net 2 Net 3 Net 1 Net 1 Net 4 Net 3 Office 48 sq m S3 S2 S1 GMV Pdm280W NaB M GMV Pdm450W NaB M Instruction to Frame Diagram of System Net ...

Страница 76: ...8 corresponding with independent communication Net 2 Pinboard 2 is connected with communication module of address 03 and indoor units address 01 08 of office 1 2 corresponding with independent communication Net 3 The outdoor figure is as follow Pinboard2 3 core neilsbed connects with Indoor Unit or communication module and 4 core neilsbed with Outdoor Unit Pinboard2 3 core neilsbed connects with I...

Страница 77: ...uantity required for the pinboards is the same as communication modules If no pinboard only one module is needed So there should be 3 modules in total Centralized control cabinet 1 Monitor room Installed indoors according to user s conditions Centralized controller 1 Monitor room Installed indoors Step 2 Wiring and Installation A Centralized controller as extension function of GMV unit can be inst...

Страница 78: ...n connect with other communication module or centralized controller As shown in the following figure D Connection between communication module and indoor and outdoor units According to the net diagram connect the communication line between indoor unit and outdoor unit Then cut off the communication line between the mainboards of indoor unit and outdoor unit as shown below ...

Страница 79: ...shown below In this case there are two methods to connection of them Method 1 Welding Weld the two cutting terminals by yellow to yellow and brown to brown as shown below And then weld the terminals of communication line to COM1 with the welding spots in the above figure together by yellow wire to brown wire as shown below ...

Страница 80: ...le adapter Make crystal heads for the three lines The connection direction should be the sameas in the above welding figures i e yellow to yellow and brown to brown wire of indoor and outdoor units but yellow to brown wire of communication line to COM1 The crystal heads are as follow Insert the three crystal heads into the triple adopter and test conduction performance of them as shown below ...

Страница 81: ...r communication module or centralized controller as shown below Step 3 There are two methods of DIP address setting of communication module Method 1 The address of each communication module has been fixed in the factory and marked on the label at the back of it It is unnecessary for users to set anything In addition the 3 digital DIP can not be dialed to OFF completely as shown below Label for add...

Страница 82: ...setting of address as operated the following 1 Dial the digital switch at the back of communication module to OFF completely as below Digital switch Dial the 3 rods to OFF 2 Open the cover of communication module as below Digital switch The 8 digital DIP is as below ...

Страница 83: ... 0 1 0 1 0 0 42 1 1 0 1 0 0 0 0 11 1 1 0 1 0 1 0 0 43 0 0 1 1 0 0 0 0 12 0 0 1 1 0 1 0 0 44 1 0 1 1 0 0 0 0 13 1 0 1 1 0 1 0 0 45 0 1 1 1 0 0 0 0 14 0 1 1 1 0 1 0 0 46 1 1 1 1 0 0 0 0 15 1 1 1 1 0 1 0 0 47 0 0 0 0 1 0 0 0 16 0 0 0 0 1 1 0 0 48 1 0 0 0 1 0 0 0 17 1 0 0 0 1 1 0 0 49 0 1 0 0 1 0 0 0 18 0 1 0 0 1 1 0 0 50 1 1 0 0 1 0 0 0 19 1 1 0 0 1 1 0 0 51 0 0 1 0 1 0 0 0 20 0 0 1 0 1 1 0 0 52 1 0 ...

Страница 84: ... 1 0 75 1 1 0 1 0 1 1 0 107 0 0 1 1 0 0 1 0 76 0 0 1 1 0 1 1 0 108 1 0 1 1 0 0 1 0 77 1 0 1 1 0 1 1 0 109 0 1 1 1 0 0 1 0 78 0 1 1 1 0 1 1 0 110 1 1 1 1 0 0 1 0 79 1 1 1 1 0 1 1 0 111 0 0 0 0 1 0 1 0 80 0 0 0 0 1 1 1 0 112 1 0 0 0 1 0 1 0 81 1 0 0 0 1 1 1 0 113 0 1 0 0 1 0 1 0 82 0 1 0 0 1 1 1 0 114 1 1 0 0 1 0 1 0 83 1 1 0 0 1 1 1 0 115 0 0 1 0 1 0 1 0 84 0 0 1 0 1 1 1 0 116 1 0 1 0 1 0 1 0 85 1 ...

Страница 85: ...ress is the No displayed in 1 64 grid of LCD Press SYSTEM DEBUG into system setting interface After pressing UP DOWN LEFT or RIGHT button press CONFIRM button into the interface for selection between ADDRESS SETTING and INITIALIZE SETTING Then press UP or DOWN button to switch between them ROOMTEMP DETECTING ADDRESS INITIALIZE SYS SET IN DOOR DO MAIN c Mon Year MonD ate Hour Min 2 When ADDRESS SET...

Страница 86: ...der corresponding soft address 01 02 and 03 of soft address is displayed which indicates normal communication of these 3 communication modules PRESENT UNIT NO displays 01 08 which indicates No 08 indoor unit under 01 communication module is being checked Press ROOM REGION button to check other indoor units status under present communication module Indoor units status is automatically detected with...

Страница 87: ...n problem between communication module and centralized controller that green indicator blinks once every 2s In this case COM2 must be used to connect them 3 It indicates connection problem of communication module and indoor and outdoor units that green indicator blinks twice every 2s In this case COM1 must be used to connect them Refer to Step 2 C for details B Address DIP of communication module ...

Страница 88: ...ular Multi VRF units 900 digital Mutli VRF R22 digital heat pump units 1 32 digital Multi VRF units It is capable of remotely turning on of the unit modifying the mode changing the settings altering the fan speed and enquiring the status of the unit etc through the remote monitoring system BMS system 7 1 3 Product Accessories List Note The remote monitoring system GREE AC Eudenmon 2009 should be c...

Страница 89: ...d is only suitable for Gree multi variable GMV indoor unit with gate control function The AC will run after plugging in gate control card and stop running after plugging out the card Upon plugging out the card to stop the unit the running states of the unit will be memorized After plugging in the card the unit will be under standby state or resume running according to settings The AC will run when...

Страница 90: ...face of it connects with the mainboard 8 4 Products Parameters Model MK03 gate controller Working Voltage AC 220 240V 50HZ or DC 5V 24V Power 1W Working temperature 10 48 8 5 Installation of Detection Control Board Fig 3 Installation Sketch of Detection Control Board No 1 2 3 4 Description Base box of socket installed in the wall a hole with L W D 100mm 100mm 50mm Bottom plate of detection control...

Страница 91: ... of the detection control board on the wall and then make it and front panel of detection control board together 4 At last fix the bottom plate and front panel of detection control board together with screw ST2 2X6 5 5 There shouldn t be any large power electric appliance and firming base nearby to avoid interference source 6 Avoid sunlight and rain and do not install it at wet space 7 Do not inst...

Страница 92: ...DC Inverter Multi VRF Service Manual 87 INSTALLATION ...

Страница 93: ...chine If the installing position is of low strength the machine may drop down and thus cause human injury Please carry out installation in accordance with the rules for preventing the typhoon or earthquake The machine may tip over if the installation does not comply with the requirements The electrical cabling shall be carried out by qualified electricians in accordance with the Safety Code for El...

Страница 94: ...he air inlet shall be optimally designed to avoid too small size Installation of connection pipes Welding 1 The copper tube must meet the specifications 2 Ensure it is dry and clean inside the tube 3 Make sure to charge nitrogen as required for protection when welding the tubes 4 Please keep to the welding process and ensure the system free of leakage 5 Add a dual way filter on liquid pipe side 6 ...

Страница 95: ...ower cord Install air duct Install remote monitoring control Connect communication cable Weld Purge and leak test under pressure Heat insulation Connect indoor unit and outdoor unit Connect power cord Address dial up Heat insulation Finish installation of indoor unit Leak test under pressure Vacuuming Add refrigerant Open the valve Debugging Install drain pipe ...

Страница 96: ...Do not attach the ropes to the lower wood frame of the packaging box Never remove any packaging materials As shown insert two ropes through the square holes on the machine and protect the machine with batten and corrugated paper Less than Never remove the wood frame and plastic straps Rope The angle between rope and machine shall be higher than 60º Tie the ropes the batten and corrugated paper wit...

Страница 97: ...n the snow or affected by the wastes or oil mist To meet the noise and vibration requirements the outdoor unit shall be installed by using rubber damping pad or spring damper The installing dimension shall comply with the installation requirements in these instructions The outdoor unit must be fixed at the installing position The installation shall be done by specialist technicians 3 2 Selection o...

Страница 98: ...e of the units is only for reference everything goes by with the real object GMV Pdm224W NaB M GMV Pdm280W NaB M Outline dimensions Unit mm 930 1670 722 737 792 925 770 GMV Pdm335W NaB M GMV Pdm400W NaB M GMV Pdm450W NaB M Outline dimensions Unit mm 722 737 1340 1203 1670 770 ...

Страница 99: ...of the outdoor unit should be in accordance with the above basic space requirement In case that the front side and left side or right side of the outdoor unit is open space No limitation to the height of the wall For the top wall e g air guard interference it is required over 3000mm distance between the unit top and the top wall in principle In case that the front back left and right sides are ope...

Страница 100: ...ce the unit shall be installed in the same direction Back Front Back Front No limitation to t he height of the wall Max 4 sets side by side Installed back against back No limitation to t he height of the wall Max 4 sets side by side Back Front Back Front In case there are walls on four sides of the outdoor unit It is suggested to install the unit in the same direction Max 4 sets side by side Back ...

Страница 101: ...easonal wind Seasonal wind Return air Return air Return air Guard The snow shall be taken into consideration when installing the outdoor unit To prevent the snow from covering the air outlet and air inlet it is required to use an protective cover on air outlet and air inlet and use a higher foundation base Seasonal wind Protector of air inlet provided at field Protector of air inlet provided at fi...

Страница 102: ... 3 2 0 φ19 05 1 φ44 5 2 0 φ22 2 1 5 φ54 1 2 0 4 2 Allowable Length and Height Differences of the Refrigerant Piping between the Indoor and Outdoor Units Height difference between indoor unit and outdoor unit H The 1st branch section Equivalent length of farthest pipe L The equivalent length of the farthest pipe from the 1st branch L The equivalent length is 0 5m for each Y type branch pipe Outdoor...

Страница 103: ... and outdoor unit Outdoor unit at upper 50 Outdoor unit at lower 40 Height differences between indoor units 15 4 2 2 For outdoor unit with total rated capacity more than or equal to 20 0kW and less than 60 0kW See the above picture for the piping methods Allowable m ft value Fitting pipe Total length actual length of fitting pipe 300 L1 L2 L3 L4 L8 a b i Length of the furthest fitting pipe Actual ...

Страница 104: ...rant system Outdoor capacity code C Gas pipe mm inch Liquid pipe mm inch C 56 Φ12 7 Φ6 35 56 C 142 Φ15 9 Φ9 52 142 C 220 Φ19 05 Φ9 52 220 C 300 Φ22 2 Φ9 52 300 C 450 Φ28 6 Φ12 7 450 C 670 Φ28 6 Φ15 9 670 C 950 Φ34 9 Φ19 05 950 C 1350 Φ41 3 Φ19 05 1350 C 1600 Φ44 5 Φ22 2 1600 C 2100 Φ54 1 Φ25 4 Note When the actual pipe length exceeds 90m the pipe diameter shall be increased accordingly 4 3 3 The d...

Страница 105: ...tdoor unit and connection component R410a refrigerant system Single module capacity code C Gas pipe mm inch Liquid pipe mm inch C 280 Φ22 2 Φ9 52 280 C 45 Φ28 6 Φ12 7 4 5 2 2 Pipe diameter between connection component of module and connection component of module R410a refrigerant system Sum of capacity code of upstream module C_ Gas pipe mm inch Liquid pipe mm inch C 280 Φ22 2 Φ9 52 280 C 450 Φ28 ...

Страница 106: ...aB M GMV Pdm280W NaB M Liquid pipe Gas pipe Oil balance pipe Servicing valve Suction side B GMV Pdm335W NaB M GMV Pdm400W NaB M GMV Pdm450W NaB M Liquid pipe Gas pipe Oil balance pipe Servicing valve Suction side C The piping connection diagram of outdoor unit Liquid pipe Gas pipe Oil balance pipe ...

Страница 107: ...ap a The oil trap may be fabricated into U type or return type b If outdoor unit is below indoor unit it is not needed to install oil trap on the vertical pipe of gas piping c If the outdoor unit is below the indoor unit it is not needed to install oil trap at the highest or lowest position If the outdoor unit is above the indoor unit oil trap and stop elbow must be installed at the lowest and hig...

Страница 108: ... Indoor unit 4 Indoor unit 1 Indoor unit 2 Indoor unit 3 Outdoor unit higher than indoor unit e Fabrication dimension of oil trap is as shown below A B mm C mm mm inch Φ19 0 3 4 34 150 Φ22 2 7 8 31 150 Φ25 4 1 1 45 150 Φ28 6 9 8 45 150 Φ34 9 11 8 60 250 Φ38 1 12 8 60 350 Φ41 3 13 8 80 450 Φ44 45 7 4 90 500 Φ54 1 17 8 90 500 ...

Страница 109: ...INSTALLATION OF REFRIGERANT PIPING 5 1 Flow Chart of Installation Installation of indoor unit Fabrication according to piping design dimension Vacuuming and drying Installation of connecting pipes Expel with nitrogen Welding Purge Airtight test ...

Страница 110: ...is is quick and correct Advance Installation of Metal Embedded Parts Please select according to local codes Subsequent Installation of Expansion Bolts In case that the metal embedded parts cannot be used due to design change the expansion bolts may be used Subsequent Installation of Expansion Bolts The foot pedal shall be supported on three points if exceeding 2m The foot pedal must be fixed secur...

Страница 111: ... upright To avoid the invasion of moisture or wastes a support higher than the ground must be built by using woods Care of pipe end during construction The pipe ends must be well cared during construction According to the working position work progress and surrounding environment the most effective way is to seal the end and wrap with adhesive tape 1 Sealing method Clamp the pipe end and weld on i...

Страница 112: ...h tools once will make all works scrapped It is useless no matter how good the quality of other works It is best that all operators shall have one pipe cutter and at least one pipe cutter of big dimension shall be provided on site CAUTION To prevent the invasion of water or waste avoid placing the copper pipe directly on ground Chamfer Burrs may occur on the cutting face of copper pipe and must be...

Страница 113: ...se fitting pipes φ6 35mm φ69 9mm Advantage Decrease the weld joint thus reduce the possibility of leakage and oxidization For example It can decrease the weld by 8 spots Please act now to improve the quality No joint is required which will save the material costs Reduced waste of fitting pipe materials Reduced resistance in the fitting pipe The bending radius higher than the pipe joint Cautions Du...

Страница 114: ...pe might be deformed even if it is not bent Correct section Bend section Section Inner side wrinkled and deformed 5 5 6 Flaring The flaring refers to expansion of pipe opening The copper pipe is inserted here to replace the casing pipe In this way it is only needed to weld on one position where the pipe is expanded Solder ...

Страница 115: ...iameter of pipe D mm Minimum depth of penetration B mm Clearance between pipes A D φ6 35 6 0 05 0 21 φ9 52 φ12 7 7 φ15 8 8 0 05 0 27 φ19 05 φ22 2 φ25 4 10 φ28 6 φ31 8 12 0 05 0 35 φ35 14 If the mounting clearance is too large the diameter of coarse pipe may be reduced to an appropriate value to according to applicable specifications if any 5 6 3 Installation of branch pipe The branch pipe plays th...

Страница 116: ...size of branch connector please use the pipe cutter to cut from the middle of different connection pipes and remove the burrs Then insert the copper pipe to appropriate depth The branch pipes from Gree are all provided with positioning mark Branch pipe Copper pipe Cut from the middle of copper pipe as needed Do not use the connection method that the copper pipe is cased on branch pipe of smaller d...

Страница 117: ...rked with Staff Only shall be indicated j An application is necessary for use of open flame and shall be reviewed by on site safety officer for approval k Instructions given by fire authorities shall be accepted in accordance with local laws and regulations l Tools shall be sorted and counted Upon knocking off for the day tools shall be sorted and counted If necessary the piping system shall be ch...

Страница 118: ...ion difficult to weld you may add a prefabricated assembly below Drainage pipe Difficult to weld at this position 5 7 4 Operation order Basic procedures for welding Assemble copper pipes Cleaning Check whether clearance is proper Fill nitrogen 2 N Itrogen pressure 0 05 0 3Mpa Welding flux Acknowledge welding flux Welding heating Add welding flux Cooling continue to fill nitrogen for over 10s Shut ...

Страница 119: ...n nitrogen charge is continuously performed or otherwise gas would escape from gap around connector making welding stuffing difficult and prone to pores Nitrogen charge pipe Copper pipe Places requiring protection during welding Copper pipe Vent port Nitrogen N2 d Welding heating Notes Braze welding is flame hard braze welding Relevant safety operating regulations must be abided by Confirm that ni...

Страница 120: ...aze welding connector should be free from defects such as over burning welding blockage crack rough surface of welding seam and burning through Welding seam should be free from defects such as pore slag inclusion underfill rosin joint and overlap Weld spot 5 7 5 Others When braze welding is to be performed underneath a simple support shall be built such as two ladders Solder Solder Solder Weld tor...

Страница 121: ... 8 2 Cleaning steps a Mount a pressure gauge on nitrogen cylinder Nitrogen bottle Outdoor side Liquid pipe Air pipe The opening of the pipe not to be purged shall be blocked with blind plug Indoor unit A Outdoor unit B b High pressure end of the pressure gauge is connected to the refrigerant filling nozzle of the small pipe liquid pipe c All copper pipe ports outside the A side of indoor unit shal...

Страница 122: ...d the pressure gauge shall not be dismantled because activities of dismantling or mounting pressure gauge would affect pressure change Check pressure drop Criteria for Inspection eligibility Except for temperature influences pressure changes about 0 01MPa for temperature change of 1 if pressure drop is not more than 0 02MPa within 24h the system will be eligible For example nitrogen is filled to r...

Страница 123: ...e pressure ambient temperature and testing hours c Pressure modification when the temperature changes for 1 1 the pressure will change for 0 01MPa d The pressure should be stable e If it is necessary to retain the pressure the pressure should be decreased to 0 5MPa or below The long time high pressure may lead to leak of soldering spot which may cause safety problem f Before completion of airtight...

Страница 124: ...e Vacuum is dry capable to remove moisture in the system Under atmospheric pressure the boiling point of water is 100 But with increased vacuum degree created by vacuum pump the boiling point rapidly reduces If boiling point reduces below ambient temperature moisture in piping will be evaporated If vacuum is 0Kgf cm2of absolute pressure gauge pressure is 1Kgf cm2 moisture in the system can be evap...

Страница 125: ...2 If the vacuum level reaches 0 1MPa gauge pressure or lower the vacuuming process is then ended Stop the vacuum pump and place still for 1 hour Then check the vacuum level for any change In case of any change it indicates that there is leakage In this case proceed to leakage detection and repair e When the procedures for vacuum pumping are finished refrigerant shall be charged 5 12 Refrigerant Ch...

Страница 126: ...e liquid pipe side until required amount is reached If refrigerant can not be charged in system unless the unit is turned on let the system run at full load cooling mode Open VH and discharge air in the hose The high pressure end of pressure gauge is connected to the refrigerant filling nozzle on the small valve of outdoor unit Open VL and charge gas state refrigerant into the gas pipe until requi...

Страница 127: ...ght of the clamp fixing the pipe hanger frame shall be adjustable and fixed from the outer of thermal insulation 6 2 3 Distance between hanger frames Outer diameter of water pipe mm ф 25 32 ф 25 ф 32 Spacing between horizontal pipes mm 800 1000 1500 Spacing between standpipes mm 1500 2000 Each standpipe shall have two hanger frames at least 6 2 4 The gradient of condensate pipe shall be over 1 and...

Страница 128: ... shall not affect the pipe gradient The clearance between pipe and sheath shall be blocked by using flexible inflammable materials The sheath shall not be used as the supporting point of the pipe 6 2 11The joint of thermal insulation materials must be adhered by using special glue and then wrapped with plastic tape having a width not less than 5cm to avoid condensing 6 2 12 Ensure a gradient over ...

Страница 129: ... the air bag no matter how forcible it pushes but there is no flowing water thus resulting in abnormal water level This will cause flooding of the ceiling 6 2 16 If the air flow of indoor unit is high this might cause negative pressure and result in return suction of outdoor air Therefore U type water trap shall be designed on the drainage side of each indoor unit Indoor unit H H 2 Install water t...

Страница 130: ... on checking if the drainage pipe system is well sealed and if there is any leakage The drainage test is focused on checking if the drainage pipe system can drain water smoothly and thoroughly and ensuring that there is no water deposit except the specially designed water trap After connection of the drainage pipe is completed firstly carry out closed water test Seal the outlet of drainage pipe wi...

Страница 131: ...st The yellow and green wire inside the air conditioner is the earthed wire Do not use it for other purpose or even cut off it Do not fix it with tapping screw Otherwise it may cause electric shock The earthed resistance must meet the requirements of national stansard GB17790 There should be reliable earthed terminal for the power supply Never connect the earth lead to the following articles water...

Страница 132: ... 3Ph 50Hz 160 40 40 40 40 50 0 10 0 10 0 10 0 10 0 64 GMV Pdm1800W4 NaB M 380 415V 3Ph 50Hz 160 40 40 40 40 50 0 10 0 10 0 10 0 10 0 7 3 Wiring Sketch Map 7 3 1Wiring Sketch Map between Outdoor Unit The indoor and outdoor unit is energized separately Outdoor unit Outdoor unit Outdoor unit Max 4 sets N 2 1 Electric box Electric box Electric box Power supply Main board Main board 3N 380V 50Hz L1 L2 ...

Страница 133: ...nnection c Connect the communication lines of indoor units and out units according to the above diagram 7 3 3 Connection of communication line 7 3 3 1 Communication of GREE D C inverter units includes 1 Communication between outdoor unit and indoor unit 2 Communication among indoor units 3 Communication among outdoor units modules combination 4 Communication among patch boards of outdoor units whe...

Страница 134: ...mainboard by 2 pin and 4 port communication wire to realize communication among outdoor modules The communication interface ports on mainboard are CN16 CN17 and CN18 each of which are available A B A B 1 2 3 4 ON DIP 1 2 ON 1 2 3 1 2 3 1 2 3 ON DIP ON DIP ON DIP 1 2 ON NO 1 MODULAR A B A B A B 1 2 3 4 1 2 1 2 A B A B A B A B A B 4 4 2 2 2 2 2 2 2 2 2 A B A B 4 NO 2 MODULAR Inverter drive plate ins...

Страница 135: ...n wire is 2 pin twisted wire and its both ends are 3 pin XH plugs 2nd and 3rd positions are applied and shall be corresponding ON DIP SINGLE MODULAR A B A B A B 2 2 A B A B 4 Inverter drive plate inside the unit Capacity code SW1 Qty code SW2 Address code SW3 Mian board of out unit Communication inerface Communication inerface Communication inerface Communication inerface Communication inerface CN...

Страница 136: ...Inverter drive plate inside the unit Capacity code SW1 Qty code SW2 Address code SW3 Mian board of out unit Communication inerface Communication inerface Communication inerface Communication inerface Communication inerface CN11 CN12 CN13 CN16 CN17 CN18 CN1 or COM OUT3 CN3 CN2 CN1 Address code S2 Pinboard 1 No 1 No 2 No n 16max Indoor to indoor communiction No 1 No 2 No n 16max Indoor to indoor com...

Страница 137: ...SW1 Qty code SW2 Address code SW3 Mian board of out unit Mian board of out unit Communication inerface Communication inerface Communication inerface Communication inerface Communication inerface CN11 CN12 CN13 Communication inerface CN11 CN12 CN13 CN16 CN17 CN18 Communication inerface CN16 CN17 CN18 CN1 or COM OUT3 CN3 CN2 Communication inerface Communication inerface CN3 CN2 CN1 or COM OUT3 CN1 C...

Страница 138: ...A B A B A B A B A B 4 4 2 2 2 2 2 2 A B A B 4 NO 2 MODULAR Inverter drive plate inside the unit Inverter drive plate inside the unit Capacity code SW1 Qty code SW2 Address code SW3 ON DIP ON ON Capacity code SW1 Qty code SW2 Address code SW3 Mian board of out unit Mian board of out unit Communication inerface Communication inerface Communication inerface Communication inerface Communication inerfa...

Страница 139: ...lar Communication between the outdoor and the indoor Communication between the outdoor and the indoor Qty of indoor unit is less than or equial to 16 Communicatin interface port CN1 of pinboards 5 When the qty of outdoor units is more than 2 and the the qty of indoor units is more than N 16 sets X sets of the patch board shall be added for outdoor untis X total indoor units qty N 16 16 The qty if ...

Страница 140: ...and the outdoor Communication between the indoor and the outdoor Qty of indoor unit is less than or equial to 16 Qty of indoor unit is less than or equial to 16 Communiation line 1 of indoor units Communiation line 2 of indoor units ON DIP A B A B Communication inerface CN3 CN2 Communication inerface CN1 Address code S2 Pinboard 2 ON DIP ON ON DIP ON SINGLE MODULAR A B A B A B 2 2 A B A B 4 Invert...

Страница 141: ...control The wired control mode refers to that the indoor unit is controlled from wired controller hand controller This setting is factory defaulted dial up switch pulled to ON position When the setting is wired control mode the function dial up on S7 for setting of memory mode and setting of master slave indoor unit will be disabled These two settings can be done from the wired controller directly...

Страница 142: ...ctory default setting is low static pressure fan dial up switch pulled to ON position Cautions 1 The above settings must be done under power shutdown state 2 The dial up switch of function code is classified into 3 bit code 4 bit code and 5 bit code The 4 bit code or 5 bit code is used for duct type unit only including multi duct type unit and 1 to 1 duct type unit 3 When the setting of control mo...

Страница 143: ...in parallel make sure to change the setting of address code before installation and guarantee that the address code of each indoor unit must be different The address code is located on the mainboard of indoor unit If wired controller is used make sure to dial the address code of wired controller to the position same as the address code on corresponding indoor unit The address code of wired control...

Страница 144: ...al value is 0111 this represents that the serial number is 8 the pins 1 2 3 of the dial switch are dialed to the opposite end of ON and the pin 4 is dialed to ON Example 2 If the dial value is 1010 this represents that the address is 11 the pins 2 4 of the dial switch are dialed to the numerical end and the pin 1 3 are dialed to ON Refer to the following figure Address 8 dial up value 0111 Address...

Страница 145: ... 0 when the lever is dialed to ON end the dial up is 1 when the lever is dialed to numerical end on opposite side For number 4 1 on the capacity code the dial up 4 refers to high bit and the dial up 1 refers to low bit Dial up Table 4 bit Dial up Switch 4 bit 4 bit 4 bit 1 bit Capacity 0 0 0 0 20 0 0 0 1 25 0 0 1 0 30 0 0 1 1 35 0 1 0 0 40 0 1 0 1 45 0 1 1 0 50 0 1 1 1 60 1 0 0 0 224 1 0 0 1 70 1 ...

Страница 146: ...DC Inverter Multi VRF Service Manual 141 ENGINEERING DEBUGGING ...

Страница 147: ...table debugger and the other is the computer with exclusive software Both of them are exlusive and shall be applied to manufacturer Note the model of Gree portable debugger is CE40 24 E Both two kinds of debuggers can inspect and debug the required parameters The only difference between them is that the portable debugger can t display parameters of all indoor units and storage or display history d...

Страница 148: ...ectively debugged c Check if all required files and recorded data are complete 3 2 Inspection before Debugging 3 2 1 Inspection of Installation Environment Inspection of installation environment includes heat exchange environment of the unit electromagnetic radiation components etc which shall be in accordance with related national electric standards If there is any thing which can t conform to in...

Страница 149: ...f there is inspect the valve immediately and if confirm that there is any leakage stop the debugging immediately which can be resumed again after the problem of leak has been solved If the cut valve of outdoor unit has been in the maximum opening angle Oil stain If there is any leak Note if there is only one outdoor module the oil balance valve can t be opened and cut off valve of gas pipe and cut...

Страница 150: ... pressure value and ambient temperature the temp is indoor temp or outdoor temp whichever is the higher can t be more than 5 Note make sure that the system is not started up or it has been energized for more than 10 min since last stop of running The lower outdoor ambient temp is the longer time that the pressure value stabilizes or the high pressure value of the system will be much higher than th...

Страница 151: ...al air conditioners independent air switch fuse link and other similar components must be installed the selection and usage mode of which shall be proper Note a1 Air switch can be protection for overload and short circuit The ability of breaking current and response speed is not as good as fuse link but it can be manually reset after it is operated a2 Fuse link just can be protection for short cir...

Страница 152: ...300 300 600 400 400 400 400 400 400 400 b Ground Wire of the Unit For safety the unit must be reliably earthed and the earthing device can t withstand the pulling force of mechanism S D D 16 S D 2 D 16 3 2 5 Inspection of Communication System 1 Inspect the following contents before debugging If communication among mainboard of outdoor modules is normal If qty code and address code of outdoor modul...

Страница 153: ...with the software for debugging 3 3 Debugging 3 3 1 Cautions 1 Before the debugging starts make sure that the units have been energized for more than 8 hours so that the compressor can be preheated Touch the unit by hand to check if the preheating is normal and if it is debugging can be started or the compressor is likely to be damaged The debugging must be conducted or under guidance of the profe...

Страница 154: ... instrument of debugging Step 3 After the monitoring instrument has been installed check if the communication of data is normal if all indoor units and wired controllers can be viewed on monitoring software and if there is any repeated code or wire dropped off When it is normal the address of wired controller shall be corresponding to address of indoor unit which is shown as Fig A Address of wired...

Страница 155: ... Fig B Display of address of wired controller is normal 1 and 2 have repeated addresses and the indoor units can t display their addresses Fig B When address of wired controller is the same with that of other wired controller or it is disconnected the address can t be display as shown in Fig C Address of 2 wired controller conflict with that of other wired controllers Addresses of indoor units are...

Страница 156: ...the setting temperature is shown on display panel MODE FAN SWING TIMER ON OFF Search and Setting Methods of Address of ZX6045 Wired Controller Search of address of wired controller When the unit is turned off press buttons Function and Mode simultaneously and the address no of this wired controller will be displayed on display panel Setting of Address of Wired Controller When the unit is turned of...

Страница 157: ...ebugging again Note during debugging listen carefully for the sound from indoor and outdoor fans as well as the compressor to check if they are normal Abnormal sound Indoor unit Outdoor unit 3 5 Running of Heating Mode If environmental conditions are proper after the debugging of cooling mode has been finished the system can be shifted to heating mode directly The system will run with max capacity...

Страница 158: ... not applicable to the unit with the capacity less than 28 0KW 7 Shell top pipe temperature of compressor with fixed frequency 2 8 Inlet pipe temperature of the heat exchanger Under the cooling mode the inlet pipe temperature of the heat exchanger should be at least 20 higher than that of the outlet pipe Under the heating mode with the outdoor ambient temperature below 10 the temperature of the in...

Страница 159: ... the indoor unit 20 Inlet pipe temperature of the heat exchanger of the indoor unit According to the different ambient temperature the inlet pipe temperature is 1 7 lower than that of the outlet pipe temperature under the cooling mode Under the heating mode the inlet pipe temperature is 10 20 lower than that of the outlet pipe temperature of the same indoor unit 21 Outlet pipe temperature of the h...

Страница 160: ...wire connecting indoor unit to outdoor unit is short circuit Outdoor unit Indoor unit Communication cable E6 A B PCB PCB A B Check it with universal meter and if it is short circuit replace the communication wire 4 Address of indoor unit wired controller or outdoor unit is not correctly set Check if their addresses are set correctly 5 Addresses of main board of outdoor unit or patch board are not ...

Страница 161: ...code of that indoor unit is the same with that of wired controller connected 10 For some indoor unit the data is not always displayed on wired controller or the unit is on and off alternately There are repeated codes among main boards of indoor units or wired controllers Check if there are repeated codes among indoor units or wired controllers 11 Communication wire between that indoor unit and the...

Страница 162: ...ell as the indoor units which are connected by this patch board Address code and qty code of mainboard of outdoor unit are not correctly set Check and reset them 15 Communication wire among outdoor units is not correctly connected Outdoor unit Communication cable A B PCB A B Outdoor unit Communication cable A B PCB A B Replace communication wire ...

Страница 163: ... to the position which can allow maximum flow Manually check Reopen the cut off valve to the place where allows the maximal flow 2 2 Electric expansion valve does not correctly operate In cooling mode when electric expansion valve is opened to 480PLS outlet temp of coil pipe of indoor unit is greater than inlet temp for over 15 In heating mode when electric expansion valve is opened to 480PLS inle...

Страница 164: ...ower than ambient temp for over 10 2 2Electric expansion valve is abnormal De energize and then energize the indoor unit check if the electric expansion valve is reset by touching pipeline and hearing the voice If it is reset it is normal 2 2 1 Control wire of expansion valve is not connected with mainboard Indoor unit PCB Coil Valve Manually check Connect control wire of electric expansion valve ...

Страница 165: ...e and weld pipeline again 10 4 4 2 There are too many impurities inside the pipeline Replace and weld pipeline again 11 5 Refrigerants of the system are inadequate Discharge temp of the system abnormally increases and the low pressure is too low Judge according to reference standard 5 1 The volume of refrigerants is not calculated or added according to requirements Add refrigerants according to re...

Страница 166: ...s too low Judge according to reference standard 2 1Ggas pipe of the system is blocked Along the flow direction of refrigerants the difference of local temperatures is great 2 1 1 The welding causes block Cut the pipe to check Replace and weld pipeline again 3 2 1 2 There are too many impurities inside the pipeline Replace and weld pipeline again 4 2 2Lliquid pipe of the system is blocked Along the...

Страница 167: ...after 20 min Then transfer the pressure value to the corresponding saturation temp and compare it with outdoor ambient temp If the temp difference is more than 5 it is abnormal Replace high pressure transducer 10 4 2 High pressure transducer and low pressure transducer are wrongly connected When the system is running check the high pressure of gas pipe and liquid pipe Then transfer them to the cor...

Страница 168: ...e of motor is not connected or damaged Manually check Connect capacitance or replace it 16 6 1 3 The motor is damaged Not the reason mentioned above Replace motor 17 6 2 Outdoor fan abnormally operates Manually check 6 2 1 Power cord of fan motor is not effectively connected with mainboard of motor Manually check Effectively connect it again 18 6 2 2 Signal feedback line of fan motor is not effect...

Страница 169: ...een This LED is light when receiving communication data It is available in indoor unit state page IDU STATE only available in indoor unit of GMV multi VRF series Long press it two seconds to enter centralized control page quick press it to select online indoor unit Press this button on main page to enter Menu page Press this button in parameter page and move the cursor During selection press this ...

Страница 170: ...anel with the 4 core wiring Step 3 Connect pinboard COM4 to debugger COM1 with the 4 core wiring 1 2 3 COM1 COM2 COM3 COM1 COM2 COM3 COM4 VERSION V1 3 MUNE MENU OPEN MENUPAGE 28 10 2009 TUE 21 45 60 PORTABLE DEBUGGER ROOM TEMP SWING SET TEMP MELT SWING 2 Wiring method 2 of portable debugger Step 1 Remove the display panel and insert its 4 core port into debugger COM1 Step 2 Connect debugger COM2 t...

Страница 171: ...166 DC Inverter Multi VRF Service Manual MAINTENANCE ...

Страница 172: ...r full protection Water pump When the water is full for successive 8s the water full protection will occur The wired controller will display E9 and alarm will occur In that case the water pump will work while the other load of indoor unit will stop The outdoor unit needs to adjust capacity output F0 Ambient temperature sensor error of indoor unit Ambient temperature sensor of indoor unit The indoo...

Страница 173: ... pressure protection E3 Compressor air out protection E4 Overcurrent Protector E5 No refrigerant protection E3 Error with sub module and main control communication display in sub module Communicationerror with frequency conversion drive E5 The temperature of radiating fin is too high E5 Radiating fin sensor abnormal E5 Clogged E5 Over current protection of frequency conversion compressor E5 DC inp...

Страница 174: ...xed frequency 1 error with air out sensor F8 Fixed frequency 2 error with air out sensor F8 Variable frequency top casing temperature sensor error F9 Fixed frequency 1 error with sensor of housing head cover Fixed frequency 2 error with sensor of housing head cover High voltage sensor error Fc Low voltage sensor error Fd The quantity of modules and dial up is inconformity Other modules stop due to...

Страница 175: ...ght blink dark blink blink dark Exit method Short press SW10 KEY1 twice within 2 seconds to exit to normal mode Number of indoor units Lamp display LED6 LED5 LED4 LED3 LED2 LED1 1 2 3 4 5 6 62 63 Legend bright dark blink 1 4 When the patching board is not communicated with indoor unit if the complete unit stops the address code of patch board and E6 will be displayed alternately as shown in Fig 1 ...

Страница 176: ... code and E6 will be displayed alternately When patch board is communicating wth indoor unit if the complete unit stops the address code of patch board will be displaye on it as shown in Fig 3 Fig 3 Patching Board Connected with Some Indoor Unit If the unit is running the patch board will display address code of patch board and ON alternately as shown in Fig 4 ...

Страница 177: ...he simple operation and finally proceed to such complicated operations as discharge of refrigerant disassembly of equipment replacement of parts and filling of refrigerant Be prudent to find out the cause The unit might be incurred to multiple errors and such errors might be caused by multiple reasons It is also possible that one error is developed into multiple errors Therefore a comprehensive an...

Страница 178: ...e indoor outdoor filters or radiating fins are dirty or blocked The system pipe is blocked Refer to the Repair and Maintenance Engage the valve body with the coil Refer to the dial up of indoor and outdoor unit Measure the swing motor and signal input Measure the fan motor and signal input Remove the obstructions Cover up the front panel properly Fully open the valve Refer to the Instruction Manua...

Страница 179: ...k low voltage led4 blink led3 blink led2 bright led1 dark lack of refrigerant Indoor units mainboard indicators Patio indoor units red led blink red led blink green led dark yellow led dark FY wall mounting motor red led blink yellow led dark New FY wall mounting motor red led blink green led dark yellow led dark Hanging indoor units red led blink green led dark yellow led dark ...

Страница 180: ...lly Check if the indoor outdoor filters or radiating fins are dirty or blocked The system pipe is blocked Refer to the Repair and Maintenance Engage the valve body with the coil Refer to the dial up of indoor and outdoor unit Measure the swing motor and signal input Measure the fan motor and signal input Remove the obstructions Cover up the front panel properly Fully open the valve Refer to the In...

Страница 181: ...re sensor Check if the corresponding liquid bypass sub assembly is in good condition e g if the solenoid valve is in good condition and if the capillary pipe is blocked Replace the liquid bypass sub assembly When the exhaust temperature of compressor is higher than 102 Whether the openness of corresponding indoor unit electronic expansion valve is increased Check if the electronic expansion valve ...

Страница 182: ...cation error Check if the communication line of indoor unit is connected Check the orientation of plug and socket Measure if the communication line is through Replace the communication line Check if the communication line of indoor and outdoor unit is connected c orrectly Check the orientation of plug and socket Check if the two ends of communication line are mounted with magnetic ring Please moun...

Страница 183: ...led4 blink led3 dark led2 blink led1 dark 4 Outdoor coil pipe outlet sensor trouble Error display on hand controller F7 Outdoor units mainboard indicator led4 blink led3 dark led2 blink led1 blink Indoor units mainboard indicators Patio indoor units red led blink red led blink green led dark yellow led dark FY wall mounting motor red led blink yellow led dark New FY wall mounting motor red led bli...

Страница 184: ...hand controller Fc Outdoor units mainboard indicator led4 bright led3 blink led2 blink led1 blink Indoor units mainboard indicators Patio indoor units red led blink red led blink green led dark yellow led dark FY wall mounting motor red led blink yellow led dark New FY wall mounting motor red led blink green led dark yellow led dark Hanging indoor units red led blink green led dark yellow led dark...

Страница 185: ...t and mainboard No energization to the unit and mainboard Check the units main wiring board L1 if N voltage is 220V Check if the air switch of the units is ON Check if the power of wiring board is in trouble NO YES YES Check if the phase sequence protector of the units is blight YES Check if 220V transformer of the mainboard is output YES Connect with primary coil and then check if the 12V 5V tran...

Страница 186: ...does not pull in If the units in normal start up state no trouble display Check if the contactor coil is supplied with power Check corresponding content according to the indicating error code on hand controller NO YES NO Check if the mainboard corresponding compressor relay is output NO Replace AC contactor YES Check the circuit YES ...

Страница 187: ...trol Board Communication error between the compressor drive board and the main control board Check if the main control board and the compressor drive board are powered on Check if the communication line between the main control board and the compressor drive board is connected well Check if the power cords of the main control board and the compressor drive board are in good condition NO YES NO Rep...

Страница 188: ...ady tightened power the unit on again and see if it will still come into protection YES Method to test if the IPM Module IS Shortcut 1 Preparation before check prepare a universal meter which is turned to the diode option and then remove the wires U V W from the drive board of the compressor which has been powered off for one minute 2 The test comes into two steps Step 1 put the black probe of the...

Страница 189: ...hed DC Bus Low Voltage Protection Check if the input voltage is lower than 320V Replace the compressor drive board Adjust the voltage to 380V and then see if the error is eliminated YES NO NO Note For both the compressor and fan motor drive boards the solution to DC bus low high voltage protection is the same 5 Solution to the Open Phase Protection It is finished Open Phase Check if the power cord...

Страница 190: ...ature Protection Check if the error arises once the power is on Check if the screws have been fastened and if the coolant have been applied to the IPM module Replace the compressor drive board YES NO 8 Solution to Fan Motor High Drive Current Protection It is finished Fan Motor High Drive Current Protection Check if the resistance between U V W is equal and if the ground is shortcut Replace the fa...

Страница 191: ... power cords of the fan motor drive board and the main control board are connected properly NO YES YES YES Connect the communication line properly and see if the error is eliminated NO Replace the main control board and see if the error is eliminated NO NO Replace the fan motor drive board and see if the error is eliminated 10 Solution to the Fan Motor Overheating Protection It is finished Fan Mot...

Страница 192: ...Note All the drive errors are shown as E5 thus check the error indicators of the outdoor units first and find the specific error according to the code and refer to the following 2 10 Typical Troubleshooting E5 for DC frequency conversion drive board Abnormal overcurrent error If the compressor wiring is correct Adjust the compressor wiring If the current value is higher than the preset value of pr...

Страница 193: ...onnecting the compressor wire Replace the damaged module Adjust parameter of power supply 2 The LCD will display current protection after it runs for a while Yes Yes Yes Yes No No No Inspect match of indoor unit Within 135 Adjust the indoor unit to suitable capacity Inspect charging volume Adjust it to be within the permitted range Over charge Voltage of DC monitoring module P N Voltage is kept wi...

Страница 194: ...t circuit Restart the unit circuit work work 1 If it is affected by damp find out the reason and take some precautionary measures After drying the mainboard brush it with damp proof gumwater 2 If it is polluted find out the reason and protect it from dust If the environment is bad clean the dirt periodically 3 If it is short circuit find out the reason and clean the electric boxso as to prevent th...

Страница 195: ...ed by damp find out the reason and take some precautionary measures After drying the mainboard brush it with damp proof gum water 2 If it is polluted find out the reason and protect it from dust If the environment is bad clean the dirt periodically 3 If it is short circuit find out the Is IPM module of mainboard damaged Display H5 Replace mainboard Is compressor wire loose or is phase sequence wro...

Страница 196: ... mainboard The system is abnormal Check the compressor wiring and winding for short circuit Mount the electric switch according to the capacity requirements It is recorded and reflected Leakage current is large Check the leakage spot and deal with it Is leak switch trip open Check line chart Does it trip uponenergization Yes Yes Yes Yes Is PFC module on the mainboard short circuit Are relays K8 ON...

Страница 197: ...tor is dirty or blocked the radiating will be worse It is recorded and reflected Is radiator dirty or blocked No Is module worse If the module is loose its temperature will be too high which may burn the module No Is silica gel of module even If radiating silica gel is too thick it will affect radiating or cause misjudge due to uneven temperature or burn the module Yes No Does silica gel of module...

Страница 198: ...t is recorded and reflected Does it occur during running of compressor How many times does it occur within 1 hour It is caused by interference Inspect wiring or interference source Take some actions o prevent interference Replace mainboard It is caused by slowdown of the compressor If it always happens inspect the compressor The voltage is too high Please cut off the power immediately in case dama...

Страница 199: ...ape ect Compressor The thick lien represents power line while thin line represents the control line 3 2 Introduction of Main Electric Parts of Inverter System Name Photo Introduction Wave filter It is mainly used for filtering the intererence of the power supply and prevent the unit from interfering the power supply so that the operation of the unit will not affect the other electric appliances su...

Страница 200: ...ic field will enable the rotor to rotate for running of the compressor PFC module IPM module is integrated with 4 LED an 2 MOS tubes The AC power is converted into DC power and theconnection and disconnection of MOS tube are controlled through PWM so that voltage is increased 3 3 Wiring diadram NOTE This drawing is just for reference please always refer to the electric wiring stuck to the unit for...

Страница 201: ...196 DC Inverter Multi VRF Service Manual GMV Pdm335W NaB M GMV Pdm400W NaB M GMV Pdm450W NaB M ...

Страница 202: ... 039 0 686 88 1 451 4 559 3 009 2 54 310 1 082 0 714 89 1 408 4 571 3 017 1 51 590 1 126 0 743 90 1 363 4 584 3 025 0 49 020 1 172 0 773 91 1 322 4 595 3 033 1 46 800 1 214 0 801 92 1 282 4 606 3 040 2 44 310 1 265 0 835 93 1 244 4 617 3 047 3 42 140 1 313 0 866 94 1 207 4 628 3 054 4 40 090 1 361 0 899 95 1 171 4 638 3 061 5 38 150 1 411 0 931 96 1 136 4 648 3 068 6 36 320 1 461 0 965 97 1 103 4 ...

Страница 203: ... 6 529 3 484 2 299 135 0 391 4 873 3 216 46 6 278 3 525 2 326 136 0 382 4 876 3 218 47 6 038 3 565 2 353 137 0 372 4 879 3 220 48 5 809 3 604 2 379 138 0 363 4 882 3 222 49 5 589 3 643 2 404 139 0 355 4 885 3 224 50 5 379 3 680 2 429 140 0 346 4 887 3 226 51 5 179 3 717 2 453 141 0 338 4 890 3 227 52 4 986 3 753 2 477 142 0 330 4 892 3 229 53 4 802 3 787 2 500 143 0 322 4 895 3 231 54 4 625 3 822 ...

Страница 204: ...83 10 110 3 0 767 0 507 86 2 059 4 533 2 992 9 104 6 0 803 0 530 87 1 996 4 546 3 001 8 99 13 0 839 0 554 88 1 934 4 559 3 009 7 94 0 877 0 579 89 1 875 4 571 3 017 6 89 17 0 916 0 605 90 1 818 4 583 3 025 5 84 61 0 956 0 631 91 1 763 4 595 3 033 4 80 31 0 997 0 658 92 1 71 4 606 3 040 3 76 24 1 039 0 686 93 1 658 4 617 3 047 2 72 41 1 082 0 714 94 1 609 4 628 3 054 1 68 79 1 126 0 743 95 1 561 4 ...

Страница 205: ...39 11 06 3 220 2 125 135 0 5219 4 873 3 216 40 10 62 3 266 2 155 136 0 509 4 876 3 218 41 10 2 3 311 2 185 137 0 4966 4 879 3 220 42 9 803 3 355 2 215 138 0 4845 4 882 3 222 43 9 42 3 399 2 243 139 0 4727 4 885 3 224 44 9 054 3 442 2 272 140 0 4613 4 887 3 226 45 8 705 3 484 2 299 141 0 4502 4 890 3 227 46 8 37 3 525 2 326 142 0 4394 4 893 3 229 47 8 051 3 565 2 353 143 0 4289 4 895 3 231 48 7 745...

Страница 206: ...110 80 6 1288 3 100 2 046 10 274 02 0 176 0 116 81 5 9336 3 138 2 071 9 259 37 0 186 0 123 82 5 7457 3 175 2 096 8 245 61 0 196 0 129 83 5 5647 3 212 2 120 7 232 67 0 206 0 136 84 5 3903 3 249 2 144 6 220 5 0 217 0 143 85 5 2223 3 285 2 168 5 209 05 0 228 0 151 86 5 0605 3 320 2 191 4 198 27 0 240 0 158 87 4 9044 3 355 2 214 3 188 12 0 252 0 167 88 4 7541 3 389 2 237 2 178 65 0 265 0 175 89 4 6091...

Страница 207: ...36 30 787 1 226 0 809 127 1 5996 4 310 2 845 37 29 544 1 264 0 835 128 1 5602 4 325 2 855 38 28 359 1 303 0 860 129 1 522 4 340 2 864 39 27 227 1 343 0 886 130 1 485 4 354 2 873 40 26 147 1 383 0 913 131 1 449 4 367 2 882 41 25 114 1 424 0 940 132 1 4141 4 381 2 891 42 24 128 1 465 0 967 133 1 3803 4 394 2 900 43 23 186 1 507 0 994 134 1 3474 4 406 2 908 44 22 286 1 549 1 022 135 1 3155 4 419 2 91...

Страница 208: ... 0 268 31 1946 1 989 24 345 0 282 32 1996 2 042 23 359 0 297 33 2048 2 098 22 373 0 312 34 2100 2 153 21 388 0 328 35 2153 2 210 20 403 0 344 36 2208 2 268 19 418 0 360 37 2263 2 327 18 434 0 377 38 2320 2 388 17 450 0 394 39 2377 2 448 16 467 0 412 40 2436 2 511 15 484 0 430 41 2495 2 574 14 502 0 450 42 2556 2 639 13 520 0 469 43 2618 2 705 12 538 0 488 44 2681 2 772 11 558 0 509 45 2745 2 841 1...

Страница 209: ...5 48 0 393 9 597 1 491 64 51 0 399 8 618 1 533 63 54 0 405 7 639 1 575 62 57 0 411 6 661 1 619 61 61 0 419 5 684 1 665 60 64 0 425 4 707 1 711 59 68 0 433 3 730 1 757 58 72 0 441 2 754 1 805 57 76 0 449 1 799 1 895 56 80 0 457 0 804 1 905 55 84 0 465 1 830 1 957 54 89 0 475 2 857 2 011 53 94 0 485 3 884 2 065 52 99 0 495 4 912 2 121 51 104 0 505 5 940 2 177 50 109 0 515 6 969 2 235 49 115 0 527 7 ...

Страница 210: ...able fault occurs to one module which is connected with several others in parallel the following emergency measures are recommended to guarantee the heating or cooling capacity of the indoor units and the service life of modules except the faulted one are not affected Step 1 set all indoor units under Off mode and cut off the power supply to the indoor and outdoor units Step 2 shut off all cutoff ...

Страница 211: ...to lift it before pull it 2 Remove power cord electric heater and discharge temperature sensor Mark the power cable color and corresponding terminal Loosen the screw fixing the power cord Disconnect the power cord Pull out the elelctric heater and discharge temperature sensor Note mark the color of the power cord and corresponding terminal 3 Remove the fixng screw of compressor loosen the four scr...

Страница 212: ...the compressor It is necessary to charge nitrogen for welding The pressure of nitrogen is 0 5 0 1kgf cm2 relative pressure Do not burn the surrounding matters when heating 8 Connect the power cord electric heater and discharge temperature sensor Mark the power cable color and corresponding terminal Mount the power cord according to the disassembly sequence Tighten the screws fixing power cord Moun...

Страница 213: ...e off the electric box and lay its front part on the support 3 Remove 4 way valve parts 4 way valve parts Loosen the 4 way valve parts Remove the 4 way valve parts 4 Remove 4 way valve Solder the spots Heat the four nozzles of the 4 way valve by gad welding Remove the 4 way valve Before solder off the 4 way valve record the direction of 4 way valve and installting position of each nozzle Note do n...

Страница 214: ...4 way valve on the new 4 way valve according to the disassembly sequence 8 Fix electric box and the wire fixer Fix the screws of the elelctric box Tighten the wire fixer of the electric box 9 Mount front panel Check if the parts and connecting wires are well connected Fix the front panel ...

Страница 215: ...e of electronic expansion valve Note do not burn the other parts during soldering 3 Take out the electronic expansion valve Remove the electronic expansion valve 4 Replace the electronic expansion valve Weld the spots Weld the connecting pipe of the elctronic expansion valve Wrap the valve with wet cloth when welding the electronic expansion valve Charge nitrogen for welding whose pressure is 0 5 ...

Страница 216: ...sen the electric heater on the oil separator 2 Disassemble oil separator Solder the spots Slder off the connecting pipe Note do not burn the other parts during soldering 3 Remove oil separator Move the oil separator from the chassis 4 Mount a new oil separator Weld the spots Weld the 4 connecting spots on the oil separator Charge nitrogen for welding The pressure of nitrogen should be 0 5 0 1kgf c...

Страница 217: ...ght electric box 2 Remove the right electric box Put a support of suitable height in front of the left electric box Take off the electric box and lay its front part on the support 3 Disassemble gas liquid separator Solder the spots Heat the 2 nozzles by gas welding and remove the gas liquid separator Note do not burn the other parts during soldering 4 Remove gas liquid separator Adjust the connect...

Страница 218: ...ipe system and that the power has been cut off Step Illustration Handling Instruction 1 Loosen the wire fixer of the left electric box and the screws loosen wire fixer Remove the left and right front panels Loosen the left and lower wire fixers of the left electric box Loosen the screws fixing the left electric box 2 Take off the left electric box Put a support of suitable height in front of the l...

Страница 219: ...ank Weld the spots Weld the 2 connecting spots Charge nitrogen for welding The pressure of nitrogen is 0 5 0 1kgf c relative pressure Note do not burn the other parts during soldering 6 Fix electric box and wire fixer Move up the electric box and fix it Tighen the wire fixer of the right electric box 7 Mount the front panel Check if the parts and connecting wires aire well connected Fix the left a...

Страница 220: ... of GMV Pdm224W NaB M for CN851W1000 No Name Code Qty 1 Streamlined Dome 26904101 1 2 Left Side Plate Sub Assy 01313256P 1 3 Front Grill 01238740 1 4 Supported Beam Sub Assy 01874132P 1 5 Front Panel Supported Beam 01894113P 1 6 Mounting Rack Sub Assy 01324120P 1 7 Front Panel Sub Assy 01544616P 1 8 Handle 26235253 2 9 Right Side Plate 01313258P 1 ...

Страница 221: ...or Mounting Plate Sub Assy 01324242P 1 30 Chassis Assy 01194135P 1 31 Compressor and fittings 00204116 1 32 Mounting Rack 01324222 1 33 Return OIL Sub Assy 04324739 1 34 Gas liquid Separator 07424148 1 35 Discharge Tube Sub Assy 04634267 1 36 Electric expand valve fitting 4300010810 1 37 Magnet Coil 4304000407 5 38 Air Guard 01354102 1 39 Condenser Assy 0112416001 1 40 Air Guard 01354103 1 41 AC C...

Страница 222: ...313256P 1 3 Front Grill 01238740 1 4 Supported Beam Sub Assy 01874132P 1 5 Front Panel Supported Beam 01894113P 1 6 Mounting Rack Sub Assy 01324120P 1 7 Front Panel Sub Assy 01544616P 1 8 Handle 26235253 2 9 Right Side Plate 01313258P 1 10 Rear Cover Plate 01263231P 1 11 Mounting Rack 01324221P 1 12 Front Cover Board 01264223P 1 13 Axial Flow Fan 10338702 1 14 Motor Sub Assy 0132431501P 1 15 Fan M...

Страница 223: ...ngs 00204116 1 32 Mounting Rack 01324222 1 33 Return OIL Sub Assy 04324739 1 34 Gas liquid Separator 07424148 1 35 Discharge Tube Sub Assy 04634267 1 36 Electric expand valve fitting 4300010810 1 37 Magnet Coil 4304000407 5 38 Air Guard 01354102 1 39 Condenser Assy 0112416001 1 40 Air Guard 01354103 1 41 AC Contactor 44010245 1 42 Phase Reverse Protector 46020054 1 43 Current Breaker 45020214 1 44...

Страница 224: ...late Sub Assy 01313256P 1 5 Streamlined Dome 26904112 2 6 Centrifugal Fan 10358202 2 7 Fan Motor 15704105 2 8 Motor Mounting Rack Sub Assy 01324177P 2 9 Motor Mounting Rack 01324179P 4 10 Mounting Rack Sub Assy3 01324175P 1 11 Mounting Rack Sub Assy1 01324171P 1 12 Magnet Coil 4304000425 1 13 Electromagnetic Valve 43000054 1 14 4 way Valve 43000339 1 15 Magnet Coil 4300040030 1 16 4 way Valve Sub ...

Страница 225: ... Strainer Sub Assy 07414132 1 39 Electromagnetic Valve 43044107 1 40 Fixed Mount3 01804181 1 41 Cut off Valve 07138800 1 42 Cut off Valve 07138799 1 43 Capillary Sub Assy 04104153 1 44 Cut off Valve 07130366 1 45 Electromagnetic Valve 43000054 1 46 Magnet Coil 4304000430 1 47 Support Crossbeam Sub Assy 01324228P 1 48 Support Longitudinal 01894304P 1 49 Middle vertical prop sub assy 01854111P 1 50 ...

Страница 226: ...6 1 80 Pinboard 30278301 1 81 Main Board 30220025 1 82 Terminal Board 42011103 4 83 Transformer 43110237 1 84 Electric Element Mounting Panel Sub Assy 1 01324710 1 85 Reactor 43130174 1 86 Over Current Protector 46020112 1 87 Filter Board 30228111 1 88 Radiator 49010605 1 89 Main Board 30220025 1 90 Radiator 49018761 1 91 Magnet Coil 4300008302 1 92 Magnet Coil 4300008311 1 93 Magnet Coil 43000083...

Страница 227: ...late Sub Assy 01313256P 1 5 Streamlined Dome 26904112 2 6 Centrifugal Fan 10358202 2 7 Fan Motor 15704105 2 8 Motor Mounting Rack Sub Assy 01324177P 2 9 Motor Mounting Rack 01324179P 4 10 Mounting Rack Sub Assy3 01324175P 1 11 Mounting Rack Sub Assy1 01324171P 1 12 Magnet Coil 4304000425 1 13 Electromagnetic Valve 43000054 1 14 4 way Valve 43000339 1 15 Magnet Coil 4300040030 1 16 4 way Valve Sub ...

Страница 228: ... Strainer Sub Assy 07414132 1 39 Electromagnetic Valve 43044107 1 40 Fixed Mount3 01804181 1 41 Cut off Valve 07138800 1 42 Cut off Valve 07138799 1 43 Capillary Sub Assy 04104153 1 44 Cut off Valve 07130366 1 45 Electromagnetic Valve 43000054 1 46 Magnet Coil 4304000430 1 47 Support Crossbeam Sub Assy 01324228P 1 48 Support Longitudinal 01894304P 1 49 Middle vertical prop sub assy 01854111P 1 50 ...

Страница 229: ...6 1 80 Pinboard 30278301 1 81 Main Board 30220025 1 82 Terminal Board 42011103 4 83 Transformer 43110237 1 84 Electric Element Mounting Panel Sub Assy 1 01324710 1 85 Reactor 43130174 1 86 Over Current Protector 46020112 1 87 Filter Board 30228111 1 88 Radiator 49010605 1 89 Main Board 30220025 1 90 Radiator 49018761 1 91 Magnet Coil 4300008302 1 92 Magnet Coil 4300008311 1 93 Magnet Coil 43000083...

Страница 230: ...late Sub Assy 01313256P 1 5 Streamlined Dome 26904112 2 6 Centrifugal Fan 10358202 2 7 Fan Motor 15704105 2 8 Motor Mounting Rack Sub Assy 01324177P 2 9 Motor Mounting Rack 01324179P 4 10 Mounting Rack Sub Assy3 01324175P 1 11 Mounting Rack Sub Assy1 01324171P 1 12 Magnet Coil 4304000425 1 13 Electromagnetic Valve 43000054 1 14 4 way Valve 43000339 1 15 Magnet Coil 4300040061 1 16 4 way Valve Sub ...

Страница 231: ...8 Strainer Sub Assy 07414132 1 39 Electromagnetic Valve 43044107 1 40 Fixed Mount3 01804181 1 41 Cut off Valve 07138800 1 42 Cut off Valve 07138799 1 43 Capillary Sub Assy 04104153 1 44 Cut off Valve 07130366 1 45 Electromagnetic Valve 43000054 1 46 Magnet Coil 4304000430 1 47 Support Crossbeam Sub Assy 01324228P 1 48 Support Longitudinal 01894304P 1 49 Middle vertical prop sub assy 01854111P 1 50...

Страница 232: ...6 1 80 Pinboard 30278301 1 81 Main Board 30220025 1 82 Terminal Board 42011103 4 83 Transformer 43110237 1 84 Electric Element Mounting Panel Sub Assy 1 01324710 1 85 Reactor 43130174 1 86 Over Current Protector 46020112 1 87 Filter Board 30228111 1 88 Radiator 49010605 1 89 Main Board 30220025 1 90 Radiator 49018761 1 91 Magnet Coil 4300008302 1 92 Magnet Coil 4300008311 1 93 Magnet Coil 43000083...

Страница 233: ...JF00300207 ...

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