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[

IX

Troubleshooting ]

- 136 -

HWE1417B

GB

Inverter

-5- Inverter



Replace only the compressor if only the compressor is found to be defective.



Replace only the fan motor if only the fan motor is found to be defective.



Replace the defective components if the inverter is found to be defective.



If both the compressor and the inverter are found to be defective, replace the defective component(s) of both devices.

(1) Inverter-related problems: Troubleshooting and remedies

1) The INV board has a large-capacity electrolytic capacitor, in which residual voltage remains even after the main power is

turned off, posing a risk of electric shock. Before inspecting the inside of the control box, turn off the power, keep the unit off
for at least 10 minutes, and confirm that the voltage between FT-P and FT-N on INV Board has dropped to DC20V or less.
(It takes about 10 minutes to discharge electricity after the power supply is turn off.)

2) The IPM on the inverter becomes damaged if there are loose screws are connectors. If a problem occurs after replacing some

of the parts, mixed up wiring is often the cause of the problem. Check for proper connection of the wiring, screws, connectors,
and Faston terminals.

3) To avoid damage to the circuit board, do not connect or disconnect the inverter-related connectors with the main power turned

on.

4) Faston terminals have a locking function. Make sure the terminals are securely locked in place after insertion.

5) When the IPM or IGBT is replaced, apply a thin layer of heat radiation grease that is supplied evenly to these parts. Wipe off

any grease that may get on the wiring terminal to avoid terminal contact failure.

6) Faulty wiring to the compressor damages the compressor. Connect the wiring in the correct phase sequence.

Press the tab on the terminals to remove them.

HWE1417B.book 136 ページ２０１９年７月１６日　火曜日　午後３時４７分

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Содержание E Series

Страница 1: ......

Страница 2: ...rts with wet hands To reduce the risk of electric shock and injury from the fan or other rotating parts stop the operation and turn off the main power before cleaning maintaining or inspecting the unit To reduce the risk of burns or frost bites do not touch the refrigerant pipes or refrigerant circuit components with bare hands during and immediately after operation To reduce the risk of injury ke...

Страница 3: ...ng solutions according to the local regulations It is punishable by law not to dispose of them according to the applicable laws The water heated by the heat pump is not suitable for use as drinking water or for cooking It may cause health problems or degrade food In areas where temperature drops to freezing during the periods of non use blow the water out of the pipes or fill the pipes with anti f...

Страница 4: ...e glycol diluted to the specified concentration The use of other types of anti freeze solution may cause corrosion and resultant water leakage The use of flammable anti freeze may cause fire or explosion Do not install the unit on or over things that are vulnerable to water damage When the indoor humidity exceeds 80 or if the drain water outlet becomes clogged condensation may drip from the indoor...

Страница 5: ... not alter or modify the unit Improper repair or unauthorized modifications may result in refrigerant leakage water leakage injury electric shock or fire After disassembling the unit or making repairs replace all components as they were Failing to replace all components may result in injury electric shock or fire If the supply cord is damaged it must be replaced by the manufacturer its service age...

Страница 6: ...ical or wireless communication equipment as well as power generators may cause the air conditioning system to malfunction Air conditioning system may also adversely affect the operation of these types of equipment by creating electrical noise Check the water system using a relevant manual as a reference Using the system that does not meet the standards including water quality and water flow rate m...

Страница 7: ...vi HWE1417B GB HWE1417B book vi ページ２０１９年７月１６日火曜日午後３時４７分 ...

Страница 8: ...ircuit Board 45 IV Remote Controller 1 Using the Remote Controller PAR W21MAA 53 2 Using the Remote Controller PAR W31MAA 60 V Electrical Wiring Diagram 1 Electrical Wiring Diagram 67 VI Refrigerant Circuit 1 Refrigerant Circuit Diagram 75 2 Principal Parts and Functions 76 VII Control 1 Functions and Factory Settings of the Dipswitches 81 2 Operating characteristics and Control Capabilities 96 VI...

Страница 9: ...CONTENTS HWE1417B GB HWE1417B book 2 ページ２０１９年７月１６日火曜日午後３時４７分 ...

Страница 10: ...ls 4 3 Brazing 5 4 Air Tightness Test 6 5 Vacuum Drying Evacuation 7 6 Refrigerant Charging 8 7 Remedies to be taken in case of a Refrigerant Leak 8 8 Characteristics of the Conventional and the New Refrigerants 9 9 Notes on Refrigerating Machine Oil 10 HWE1417B book 1 ページ２０１９年７月１６日火曜日午後３時４７分 ...

Страница 11: ... 2 HWE1417B GB HWE1417B book 2 ページ２０１９年７月１６日火曜日午後３時４７分 ...

Страница 12: ...ual 4 Preparing necessary tools Prepare a set of tools to be used exclusively with each type of refrigerant Refer to Necessary Tools and Materials for information on the use of tools page 4 5 If there is a leak of gaseous refrigerant and the remaining refrigerant is exposed to an open flame a poisonous gas hydrofluoric acid may form Keep workplace well ventilated CAUTION Install new pipes immediat...

Страница 13: ...ide Charging Hose Evacuation and refrigerant charging Refrigerant Recovery Cylinder Refrigerant recovery Refrigerant Cylinder Refrigerant charging The refrigerant type is indicated The cylinder is Gray Charging Port on the Refrigerant Cylinder Refrigerant charging Tools Materials Use Notes Gas Leak Detector Gas leak detection The ones for use with HFC refrigerant may be used Vacuum Pump Vacuum dry...

Страница 14: ...a copper pipe and copper coupling If installed refrigerant pipes are not immediately connected to the equipment then braze and seal both ends 2 Reasons The new refrigerating machine oil is 10 times as hygroscopic as the conventional oil and is more likely to cause unit failure if water infiltrates into the system Flux generally contains chloride Residual flux in the refrigerant circuit will cause ...

Страница 15: ...t be charged in its liquid state vs gaseous state 2 Reasons Oxygen if used for an air tightness test poses a risk of explosion Only use nitrogen to check air tightness Refrigerant R410A must be charged in its liquid state If gaseous refrigerant in the cylinder is drawn out first the composition of the remaining refrigerant in the cylinder will change and become unsuitable for use 3 Notes Procure a...

Страница 16: ... more than 1Torr 130Pa 1hour after evacuation A rise by less than 1Torr 130Pa is acceptable If the vacuum is lost by more than 1Torr 130Pa conduct evacuation following the instructions in section 6 Special vacuum drying 5 Procedures for stopping vacuum pump To prevent the reverse flow of vacuum pump oil open the relief valve on the vacuum pump side or draw in air by loosening the charge hose and t...

Страница 17: ...e taken in case of a Refrigerant Leak If the refrigerant leaks out all of the remaining refrigerant must be replaced with a new charge to maintain the proper composition of the refrigerant Repair the leak and then charge the system with the specified amount of refrigerant 19 kg Charge refrigerant in the liquid state Refer to IX 4 Refrigerant Leak page 145 Cylinder with a siphon Cylinder color R410...

Страница 18: ...100 Type of Refrigerant Pseudo azeotropic Refrigerant Non azeotropic Refrigerant Single Refrigerant Chloride Not included Not included Included Safety Class A1 A1 A1 A1 A1 Molecular Weight 72 6 86 2 86 5 Boiling Point C F 51 4 60 5 43 6 46 4 40 8 41 4 Steam Pressure 25 C MPa 77 F psi gauge 1 557 226 0 9177 133 0 94 136 Saturated Steam Density 25 C kg m3 77 F psi 64 0 42 5 44 4 Flammability Nonflam...

Страница 19: ...isture air processing oil dust dirt wrong types of refrigerant and refrigerating machine oil Cause Symptoms Effects on the refrigerant cycle Water infiltration Frozen expansion valve and capillary tubes Clogged expansion valve and capillary tubes Poor cooling performance Compressor overheat Motor insulation failure Burnt motor Coppering of the orbiting scroll Lock Burn in on the orbiting scroll Hy...

Страница 20: ...3 2 Types and Maximum allowable Length of Cables 14 3 Electrical Wiring Installation 15 4 Sample Installation 18 5 Switch Types and the Factory Settings 19 6 Configuring the Settings 20 7 Water Pipe Installation 27 HWE1417B book 11 ページ２０１９年７月１６日火曜日午後３時４７分 ...

Страница 21: ... 12 HWE1417B GB HWE1417B book 12 ページ２０１９年７月１６日火曜日午後３時４７分 ...

Страница 22: ...itch and a pump interlock and System configuration procedures Multiple module connection system page 23 for further details A group of module that consists of one main module and up to 5 sub modules is operated collectively by connecting an external water temperature sensor and a dry contact switch relay to the main module MAIN PCB External temperature sensor option PCB SUB Flow switch Pump interl...

Страница 23: ...cables Use a separate 2 core control cable for each refrigerant system Do not use a single multiple core cable to connect units that belong to different refrigerant systems The use of a multiple core cable may result in signal transmission errors and malfunc tions 2 Control wiring Different types of control wiring are used for different systems Types and maximum allowable length of cables Control ...

Страница 24: ... installation of an earth leakage breaker for the inverter If no earth leakage breaker is installed there is a danger of electric shock Only use properly rated breakers and fuses Using a fuse or wire of the wrong capacity may cause malfunction or fire Note This device is intended for the connection to a power supply system with a maximum permissible system impedance shown in the above table at the...

Страница 25: ...r supply box is covered with a bush with membrane Cut the bush with membrane before connecting wires to the terminal box 3 Fasten the power supply wires by the cable strap 4 Secure the cable conduit and then waterproof the area around the pipe with silicon etc 5 Reattach the power supply box cover and front column 2 Precautions when fastening screws Faulty contacts due to loose screws may cause ov...

Страница 26: ... Installing the conduit tube Always use a conduit to run the power supply wiring Select the conduit size based on the hole The cable conduits must be prepared locally Do not store the 24VDC or less low voltage circuit and 100VAC or higher main circuit and control circuit cables in the same multi core cable or bundle them together Attach cable conduits securely to the foundation etc to ensure that ...

Страница 27: ... a pump interlock and System configuration procedures Multiple module connection system page 23 for further details A group of module that consists of one main module and up to 5 sub modules is operated collectively by connecting an external water temperature sensor and a dry contact switch relay to the main module MAIN PCB External temperature sensor option PCB SUB Flow switch Pump interlock Set ...

Страница 28: ...2 Cooling Heating switching Only EAHV P900YA Effective only when SWS1 is set to LOCAL A A Unused Push switch SWP1 Switches the display between the current value for a specific item Increases value Push switch SWP2 Switches the display between the current value for a specific item Decreases value Push switch SWP3 Enables the change of value Saves the changed value Dip switches SW1 3 Setting s g n i...

Страница 29: ... enable the configuration changes The current setting value will blink The left figure shows that the current setting value is 60 0 To decrease this value to 58 0 for example press SWP2 Press SWP1 to increase the value When the desired value is displayed 58 0 in the example at left press SWP3 Enter The displayed value will stop blinking and stay lit A lit LED indicates that the new setting has bee...

Страница 30: ...0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Maximum peak demand capacity 100 Range 60 100 Peak demand control start time 13 00 Peak demand control end time 13 00 Setting temp 1 Cooling mode 2 7ºC Ra...

Страница 31: ...ation Changing the setting to the Brine setting Refer to Dip switch settings table page 81 for further details 2 Switch on the power to the unit Check for loose or incorrect wiring and then switch on the power to the unit When the power is switched on the following codes will appear on the LED EEEE will appear on LED1 in the MAIN circuit board labeled A in the figure below 9999 will appear on LED1...

Страница 32: ...N 1 2 3 4 5 6 7 8 9 10 External temperature sensor option MAIN module 6 M NET line 2 1 MAIN PCB SUB PCB SUB module MAIN PCB SUB PCB SUB module MAIN PCB SUB PCB Address 51 Address 1 Address 2 Address 56 Address 6 Address 52 Flow switch Pump interlock Set point controlled with either PAR W21MAA or PAR W31MAA Analog Input IT terminal System configuration diagram one pump system Within 50 seconds afte...

Страница 33: ...nal water temperature reading Analog signals from a remote location Changing the setting to the Brine setting Refer to Dip switch settings table page 81 for further details ON 1 2 3 4 5 6 7 8 9 10 The figure at left shows that the switches 1 through 5 are set to ON and 6 through 10 are set to OFF 2 Set the SUB circuit addresses with the rotary switches labeled B in the figure below Set the 10 s di...

Страница 34: ...in 50 seconds after the power is switched on the following codes will appear on the LED will appear on LED1 in the MAIN circuit board 0000 will appear on LED1 in the SUB circuit board Then the setting item SW3 3 page 81 will appear on the LED Model 0000 EACV P900YA 0001 EAHV P900YA 0002 EAHV P900YA H 9999 EEEE Main module SUB circuit Sub module SUB circuits Main module MAIN circuit Sub module MAIN...

Страница 35: ... module Sub module Default 1 1 0 1 1 s e l u d o m e l p i t l u m e h t g n i t t e S 1 2 1 1 0 0 1 e l u d o m n i a m e h t g n i t t e S 1 3 1 1 Setting the total number of modules 2 6 1 4 1 1 1 1 r o 0 1 r o 0 m e t s y s p m u p e h t g n i t t e S 1 Setting the pump system is 0 One pump system Setting the pump system is 1 Multiple pump system module module Standard piping type Inside header...

Страница 36: ...ent water to the unit Air vent valve Install air venting valves to the places where air can accumulate Automatic air vent valves such as are effective Expansion tank Install an expansion tank to accommodate expanded water and to supply water n o i t a l u s n i e t a u q e d a e d i v o r p d n a g n i g r u p r i a y s a e r o f w o l l a t a h t s e p i p e s U e p i p r e t a W g n i c i v r e ...

Страница 37: ...pansion tank to help manage the concentrate of brine Water pipe Use pipes that allow for easy air purging and provide adequate insulation Drain valve Install drain valves so that water can be drained for servicing Strainer Install a strainer near the unit to keep foreign materials from entering the water side head exchanger Flow switch Required to protect the unit Drain pipe Install the drain pipe...

Страница 38: ...A 01HK Victaulic standard groove specifications Machine grooves to secure housing joints to field supplied pipes based on the following dimensions D G L W ø60 3 0 61 15 88 0 76 7 95 0 76 ø57 15 0 0 38 50A Pipe size D G L W D G L W D G L W 15 88 0 76 9 53 0 76 ø110 08 0 0 51 ø114 3 1 14 0 79 100A Pipe size Water inlet 50A housing type joint field supplied Victaulic joint Water outlet Water inlet Wa...

Страница 39: ...of a Straub joint to connect pipes to the relevant connection points Pipe end attachment performed at customer s site Pipe end attachment performed at customer s site The Victaulic joints and Straub joints used in the explanation are actual product names W The seal rubber has a lip construction to improve water stopping performance Adjust the Straub position to that the marking on both sides is vi...

Страница 40: ...nd check for possible corrosion Corrosion can occur in water systems in which there has been no signs of corrosion If the water quality level has dropped adjust the water quality before replacing the unit Items Lower mid range temperature water system Water Temp 60ºC Higher mid range temperature water system Water Temp 60ºC Tendency Recirculating water Make up water Recirculating water Make up wat...

Страница 41: ...elow shows a sample system with a bypass strainer 6 Connecting pipes made from different materials If different types of metals are placed in direct contact with each other the contact surface will corrode Install an insulating material between pipes that are made of different materials to keep them out of direct contact with each other 7 Piping material Use hot water output piping material that c...

Страница 42: ...nsulation thickness and maintenance space The dimensions given below indicate the amount of space necessary when screwing in a Y shaped strainer 2 Installing a flow switch Install a flow switch that meets the following specifications on the water pipe Connect the flow switch to the flow switch contact on the unit Minimum flow rate 7 7 m h 128 L min Unit usage range water flow rate 7 7 25 8 m h Rc2...

Страница 43: ...short to secure this amount install a cushion tank to ensure that the circuit has enough water in it 2 Calculating the amount of water in the circuit The amount of water in the circuit can be obtained using the following formula Amount of water in the water circuit Amount of water in the water piping Amount of water in the unit and Amount of water in the load side or heat source unit The table bel...

Страница 44: ...ousing type joint Drain R1 Drain R1 Drain R1 Case of right side piping Case of right side piping 43 5 43 5 43 5 125 375 750 750 375 266 248 5 Drain R1 Drain R1 Drain R1 Water outlet 100A housing type joint Water inlet Water outlet 100A housing type joint Water inlet 100A housing type joint 100A housing type joint Case of left side piping Case of left side piping 266 248 5 125 HWE1417B book 35 ページ ...

Страница 45: ... II Restrictions 36 HWE1417B GB HWE1417B book 36 ページ２０１９年７月１６日火曜日午後３時４７分 ...

Страница 46: ... 37 HWE1417B GB III Unit Components 1 Unit Components and Refrigerant Circuit 39 2 Control Box of the Unit 43 3 Unit Circuit Board 45 HWE1417B book 37 ページ２０１９年７月１６日火曜日午後３時４７分 ...

Страница 47: ... 38 HWE1417B GB HWE1417B book 38 ページ２０１９年７月１６日火曜日午後３時４７分 ...

Страница 48: ... Air guide Pillar M Decorative panel SL Panel SL Panel M Panel F Panel S Decorative panel SR Panel S1 Panel SR Wiring window cover Pillar cover SL Pillar R Panel S Pillar assy R Panel S1 Pillar R Pillar MR Standard piping type Inside header piping type Rear panel Rear panel Rear panel HWE1417B book 39 ページ２０１９年７月１６日火曜日午後３時４７分 ...

Страница 49: ... III Unit Components 40 HWE1417B GB Fan motor SUB CONTROL BOX FAN CONTROL BOX TERMINAL BOX MAIN CONTROL BOX Fan HWE1417B book 40 ページ２０１９年７月１６日火曜日午後３時４７分 ...

Страница 50: ...ainer Strainer Oil separator Heat exchanger Oil separator Belt heater Belt heater Rubber mount Thermistor TH27 Thermistor TH2 Thermistor TH7 Thermistor TH1 Thermistor TH6 Four way valve EAHV only Rubber mount Tank assy EAHV only Check valve Thermistor TH10 Thermistor TH5 Thermistor TH3 Thermistor TH25 Accumulator Housing joint 40A Air purge valve Standard piping type Pressure sensor LP Pressure se...

Страница 51: ... Components 42 HWE1417B GB Air purge valve Housing joint 50A Thermistor TH3 Housing joint 100A Housing joint 100A Ball valve Air purge valve Inside header piping type HWE1417B book 42 ページ２０１９年７月１６日火曜日午後３時４７分 ...

Страница 52: ...y 52C Noise filter Compressor Terminal block TB1 Control board M NET board INV board Capacitor Rush current protection resister DC reactor DCL Rush current protection resister DC reactor DCL INV board Terminal block TB2 Capacitor Control board Noise filter Compressor Electromagnetic relay 52C HWE1417B book 43 ページ２０１９年７月１６日火曜日午後３時４７分 ...

Страница 53: ...and may result in damage to its internal components 2 Faston terminals have a locking function Make sure the cable heads are securely locked in place Press the tab on the ter minals to remove them 4 Terminal box Noise filter Fan Capacitor Diode bridge Capacitor Diode bridge Noise filter Fan Fan control board Fan control board Terminal block TB5 Terminal block TB4 Terminal block TB6 HWE1417B book 4...

Страница 54: ... R S F06 Fuse 250V 3 15A LED2 Lit during normal CPU operation CNIT Output 12VDC GND Output 5VDC RX Power supply detection input TX Power supply ON OFF signal output Transmission line input output for centralized control system Internal transmission line input output 30VDC CN62 LEV driving output CN3A Remote controller Sensor input LED1 Digital display Dip switch Dip switch SW1 3 SW421 Push switch ...

Страница 55: ...NIT 12VDC input GND 5VDC input Power supply detection output Power supply ON OFF signal input LED1 Power supply for indoor transmission line TP1 2 Check pins for outdoor transmission line TB7 Terminal block for transmission line for centralized control TB3 outdoor transmission block Ground terminal for transmission line Grounding Grounding CN04 Bus voltage input P N Grounding HWE1417B book 46 ページ ...

Страница 56: ...age check terminal N Note 1 SC P2 Bus voltage Input P SC P1 Rectifier diode output P LED1 Lit Inverter in normal operation Blink Inverter error CN6 Open No load operation setting Short circuited Normal setting CN5V GND 5VDC output RSH1 Overcurrent detection resistor CN43 GND Control Board Serial communication signal output CN2 Serial communication signal output GND 17VDC input SC V Inverter output...

Страница 57: ...fied L2 N current P N TB21 Input output L1 TB22 Input output L2 TB23 Input output L3 TB24 Input N CN1B Input L3 L2 CN1A Input N L1 Grounding F1 F2 F3 F4 Fuse 250VAC 6 3A CN3 Output L1 N Grounding CN2 Surge absorber circuit Surge absorber circuit Short circuit Short circuit HWE1417B book 48 ページ２０１９年７月１６日火曜日午後３時４７分 ...

Страница 58: ...tion signal input GND CN4B Serial communication signal output GND CN2A 18VDC input GND Serial communication signal output GND 17VDC input 17VDC input CN2B 5VDC input Serial communication signal input GND 17VDC input 17VDC input GND CNDC Bus voltage input N P CNF3 Vm GND Vcc Vsp FG HWE1417B book 49 ページ２０１９年７月１６日火曜日午後３時４７分 ...

Страница 59: ...r Fan CNACL Open No load operation setting Short circuited normal setting CNR1 To R13 or R23 CNDB AC output L N Bus voltage input CNFAN Bus voltage output P N CNXB1 12VDC input CNDP P N X010 ON L2 or L3 FG N HWE1417B book 50 ページ２０１９年７月１６日火曜日午後３時４７分 ...

Страница 60: ... 51 HWE1417B GB IV Remote Controller 1 Using the Remote Controller PAR W21MAA 53 2 Using the Remote Controller PAR W31MAA 60 HWE1417B book 51 ページ２０１９年７月１６日火曜日午後３時４７分 ...

Страница 61: ... 52 HWE1417B GB HWE1417B book 52 ページ２０１９年７月１６日火曜日午後３時４７分 ...

Страница 62: ... until the desired mode appears Each press changes the operation mode in the following sequence see notes 1 and 2 below Heating Heating ECO Anti freeze Cooling Back to Heating The currently selected mode will appear in the area labeled 1 If K07 K08 or K13 K15 is ON CLOSE the operation mode except Cooling mode cannot be changed from the remote controller 2 The available modes vary depending on the ...

Страница 63: ... in ten minute intervals and then in one hour intervals 4 After making the appropriate settings in Steps 2 and 3 press the CIR WATER button to save the values Note The changes will be lost unless the Mode BACK button is pressed before the CIR WATER button is pressed 5 Press the Mode BACK button to complete the setting procedure and return the display to the normal operation screen The new day and ...

Страница 64: ...he Normal Operation screen 12 To activate the timer press the TIMER ON OFF button so that the Timer Off icon disappears If no timer settings have been made the Timer Off icon will flash on the screen How to View the Weekly Timer Settings 1 Make sure that WEEKLY is displayed 2 Press the TIMER MENU button so that Monitor appears on the screen 3 Press the TIMER ON OFF SET DAY button to select the des...

Страница 65: ...ple Timer Settings 1 Make sure that SIMPLE is displayed 2 Press the TIMER MENU button so that Monitor appears on the screen If the ON or OFF simple timer is running the current timer value will appear in the area labeled If ON and OFF values have both been set the two values will appear alternately 3 Press the Mode BACK button to close the monitor display and return to the Normal Operation screen ...

Страница 66: ...ode BACK button to complete the setting procedure and return to the Normal Operation screen 6 If the unit is already running the timer will start counting down immediately Make sure that the remaining time is displayed on the screen and that it is correct Checking the Current Auto Off Timer Setting 1 Make sure that AUTO OFF is displayed 2 Press and hold the TIMER MENU button for 3 seconds so that ...

Страница 67: ...re display setting WATER TEMP DISP SELECT Use to show or hide the water temperature PAR W21MAA ON OFF TEMP MENU BACK DAY CHECK TEST MONITOR SET CLOCK CLEAR ON OFF INITIAL SETTING CIR WATER Normal Operation screen Screen that appears when the unit is not running Press and hold the and buttons for two seconds No settings can be changed during a test run and self diagnosis Display language CHANGE LAN...

Страница 68: ...oggle through the following options Setting the contact number To set the contact number follow the following procedures Press the TEMP or button to move the cursor to the right left Press the CLOCK or button to set the contact number 5 Temp offset setting Press the ON OFF button to toggle between the following options 5 4 Display options 1 Temperature unit C F setting Press the ON OFF button to t...

Страница 69: ...operation will stop 2 Operation mode and set temperature settings űOperation mode setting Button operation F1 F2 F3 F4 Press the F1 button to go through the operation modes in the order of Heating Anti Freeze Cooling and Heating ECO Select the desired operation mode Heating Anti Freeze Cooling Heating ECO űSet temperature setting Button operation F1 F2 F3 F4 Press the F2 button to decrease the set...

Страница 70: ...ed Press the F1 button to select a pattern Press the F2 button to select the item you want to change Press the F3 or F4 button to switch to the desired setting Time Set in 5 minute increments Hold down the button to change the value continuously Operation mode Off The options available vary depending on the connected unit If you select an operation mode other than Off the connected unit will opera...

Страница 71: ...4 㹼㹼 The suitable periods for the period timer will be displayed To set the period Press the F1 or F2 button to select the specified date and then press the F3 button Move to 3 To set the operation Press the F1 or F2 button to select the specified date and then press the F4 button Move to 4 3 F1 F2 F3 F4 㹼㹼 The period setting screen will be displayed Press the F1 or F2 button to move to the item...

Страница 72: ...s cannot be made with the remote controller After switching to the desired setting press the Select button A setting confirmation screen will appear Navigating through the screens To save the settings Select button To return to the Main display Menu button To return to the previous screen Return button F1 F2 F3 F4 In the Operation setting screen press the F1 button to move the cursor to Schedule P...

Страница 73: ... IV Remote Controller 64 HWE1417B GB HWE1417B book 64 ページ２０１９年７月１６日火曜日午後３時４７分 ...

Страница 74: ... 65 HWE1417B GB V Electrical Wiring Diagram 1 Electrical Wiring Diagram 67 HWE1417B book 65 ページ２０１９年７月１６日火曜日午後３時４７分 ...

Страница 75: ... 66 HWE1417B GB HWE1417B book 66 ページ２０１９年７月１６日火曜日午後３時４７分 ...

Страница 76: ... V Electrical Wiring Diagram 67 HWE1417B GB V Electrical Wiring Diagram 1 Electrical Wiring Diagram HWE1417B book 67 ページ２０１９年７月１６日火曜日午後３時４７分 ...

Страница 77: ... 2 High pressure sensor 2 Low pressure sensor 2 Acc inlet Ref temp 2 Discharge Ref temp 2 Air hex Ref temp 2 Water hex Ref temp 2 TB24 TB24 CN43 yellow Note1 Faston terminals have a locking function Press the tab in the middle of the terminals to remove them Check that the terminals are securely locked in place after insertion Note2 Remove the short circuit wire between the terminals K10 and K11 t...

Страница 78: ...V1 FAN1 2 INV1 FAN1 1 CN4 CN2 CN332 blue MAIN1 FAN1 6 MAIN1 FAN1 5 MAIN1 FAN1 4 MAIN1 FAN1 3 MAIN1 FAN1 2 MAIN1 FAN1 1 MAIN1 FAN1 8 MAIN1 FAN1 7 CNDC CNF1 CNF2 CN2B CN4B CN2A CN4A FANCONTBoard1 CNF3 MAIN1 FAN1 8 MAIN1 FAN1 7 MAIN1 FAN1 6 MAIN1 FAN1 5 MAIN1 FAN1 4 MAIN1 FAN1 3 MAIN1 FAN1 2 MAIN1 FAN1 1 INV1 FAN1 8 INV1 FAN1 7 INV1 FAN1 6 INV1 FAN1 5 INV1 FAN1 4 INV1 FAN1 3 INV1 FAN1 2 INV1 FAN1 1 F...

Страница 79: ...ion 434 21 425 IPM error inclusive overcurrent relay 435 22 426 Control box Fan fault 436 23 5101 Water inlet temp 1 thermistor error TH1 none 24 5102 Water inlet temp 2 thermistor error TH2 none 25 5103 Water inlet temp 3 thermistor error TH3 none 26 5105 ACC inlet refrigerant temperature thermistor error TH5 TH25 none 27 5106 Air heat exchanger refrigerant thermistor error TH6 TH26 none 28 5107 ...

Страница 80: ...at was selected for item c CAPACITY CHANGE MODE above TB6 K13 K14 i OUTLET WATER TEMP SWITCHING 2nd 1st Setting temp 2 Refer to page 81 Settings table Setting temp 1 Refer to page 81 Settings table TB6 K10 K12 j COOLING HEATING SWITCHING EAHV P900YA Heating Cooling Heating mode Cooling mode TB5 K04 K05 Analog Terminal block Input type Action k WATER TEMP SETTING CAPACITY CONTROL SIGNAL Water tempe...

Страница 81: ... Heating Analog input Water temp setting Capacity control signal TB5 AN1 AN2 4 20mA 0 10 2 10V 1 5V External water sensor Option TB5 T1 T2 No voltage contact output Supplementary heater signal output TB6 K51 K52 During the low outdoor and water temperature is ON Defrost signal output TB6 K53 K54 During the defrosting operation is ON Heating operation display TB6 K55 K56 Heating Cooling Operation d...

Страница 82: ... 73 HWE1417B GB VI Refrigerant Circuit 1 Refrigerant Circuit Diagram 75 2 Principal Parts and Functions 76 HWE1417B book 73 ページ２０１９年７月１６日火曜日午後３時４７分 ...

Страница 83: ... 74 HWE1417B GB HWE1417B book 74 ページ２０１９年７月１６日火曜日午後３時４７分 ...

Страница 84: ... Air side heat exchange Air side High low pressure heat exchange High low pressure heat exchange High low pressure heat exchange High low pressure heat exchange HP1 2 High pressure LP1 2 Low pressure 63H1 2 High pressure switch TH1 Water inlet water temp upstream TH2 Water inlet water temp downstream TH3 Outlet water temp TH5 ACC inlet gas temp 1 TH6 Air heat exchanger side 1 TH7 Water heat exchan...

Страница 85: ...otection 4 15MPa OFF setting Thermi stor TH11 21 Discharge 1 Detects discharge tem perature 2 Provides high pressure protection Degrees Celsius Resistance check 0 C 32 F 698kohm 10 C 50 F 413kohm 20 C 68 F 250kohm 30 C 86 F 160kohm 40 C 104 F 104kohm 50 C 122 F 70kohm 60 C 140 F 48kohm 70 C 158 F 34kohm 80 C 176 F 24kohm 90 C 194 F 17 5kohm 100 C 212 F 13 0kohm 110 C 230 F 9 8kohm Pressure 0 4 15 ...

Страница 86: ...7 F 48kohm 30 C 86 F 39kohm 40 C 104 F 25kohm 4 way valve MV EAHV only Changeover between heating and cooling or defrost AC220 240V OFF cooling or defrost cy cle ON heating cycle Continuity check with a tester Heater H Heats the refrigerant in the compressor Belt heater 240V 45W Resistance check Fan motor FAN motor Adjusts the operating frequen cy of the propeller fan based on the condensation or ...

Страница 87: ... VI Refrigerant Circuit 78 HWE1417B GB HWE1417B book 78 ページ２０１９年７月１６日火曜日午後３時４７分 ...

Страница 88: ... 79 HWE1417B GB VII Control 1 Functions and Factory Settings of the Dipswitches 81 2 Operating characteristics and Control Capabilities 96 HWE1417B book 79 ページ２０１９年７月１６日火曜日午後３時４７分 ...

Страница 89: ... 80 HWE1417B GB HWE1417B book 80 ページ２０１９年７月１６日火曜日午後３時４７分 ...

Страница 90: ...temperature Capacity control ratio Fixed OFF At a reset 9 Auto restart after power failure Enables or disables the automatic restoration of operation after power failure in the same mode as the unit was in before a power failure ON An alarm will be issued when power is restored after a power outage The alarm will be reset when the power is turned off and then turned back on Automatically restores ...

Страница 91: ...MAIN circuit on the Sub module Follows the input signal of the MAIN circuit on the Sub module OFF Ignores the signal input Ignores the signal input REMOTE Follows the input signal of the MAIN circuit on the Main module Follows the input signal of the MAIN circuit on the Main module OFF LOCAL Ignores the signal input Ignores the signal input Follows the input signal of the MAIN circuit on the Sub m...

Страница 92: ... SW2 5 is set to ON 1 No voltage contact input K07 K08 Analog input or BMS SW 3 4 ON Main board on the unit No voltage contact input K13 K15 Remote controller PAR W21MAA or PAR W31MAA Input from centralized controller AE 200 or BMS 4 Anti freeze Schedule setting Mode change No remote controller Manual setting Schedule setting ON Ineffective Ineffective Ineffective Ineffective Ineffective 30ºC TH3 ...

Страница 93: ...ed when the power is turned on No voltage contact Remote controller PAR W21MAA or PAR W31MAA Input from centralized controller AE 200 or BMS Unit operation Run Stop 5 The last setting has priority Operation mode Cooling 1 5 The last setting has priority Heating 1 5 The last setting has priority Heating ECO 1 2 The last setting has priority Anti freeze 2 The last setting has priority Capacity chang...

Страница 94: ...n Dip SW3 6 is set to ON Brine setting To remotely set the temperature to a sub zero temperature a PAR W31MAA remote controller is required No Dip switch setting SW1 ON OFF Setting Item Initial value Unit Setting Setting change from an optional remote controller PAR W21MAA or PAR W31MAA 1 Increments Lower limit Upper limit 1 1 1 1 2 1 1 1 3 1 1 1 4 1 1 1 5 1 1 1 1 1 6 1 1 1 1 7 1 1 1 1 1 8 1 1 1 1...

Страница 95: ... remote 0000 Hour minute 1 minute 0000 2359 7 1 1 1 1 OFF time 3 Heating ECO mode without remote 0000 Hour minute 1 minute 0000 2359 8 1 1 1 1 1 1 1 1 9 5 3 2 0 0 0 0 e t u n i m 1 e t u n i m r u o H e m i t t n e r r u C 9 1 1 1 1 1 1 1 1 1 3 2 1 1 0 1 0 y a d 1 y a d h t n o M g n i t t e s e t a D h t n o M 10 1 1 1 1 1 1 1 9 9 0 2 0 0 0 2 r a e y 1 r a e Y g n i t t e s r a e Y Note A mode pr...

Страница 96: ...eriod 3 Target water temp Operation command signal Operation Period 1 Operation Period 2 Operation Period 3 Set temp Operation command signal Operation Period 1 Operation Period 2 Operation Period 3 Set temp Operation command signal Operation Period 1 Operation Period 2 Operation Period 3 Set temp Operation command signal Operation Period 1 Operation Period 2 Operation Period 3 Set temp Operation ...

Страница 97: ...ss the push switches SWP1 or SWP2 to increase or decrease the value When the desired value is displayed press SWP3 to save the setting value Settings table No Dip switch setting SW1 ON OFF Setting Item Initial value Unit Setting Setting change from an optional remote controller PAR W21MAA or PAR W31MAA Increments Lower limit Upper limit 1 1 1 1 1 1 2 1 1 1 1 3 1 1 1 1 Maximum peak demand capacity ...

Страница 98: ... set the capacity control ratio Analog input type can be selected from the following four types 4 20 mA 1 5 V 0 10 V 2 10 V Select SW3 1 and SW3 2 to set the type of analog input signal from a remote location Set the dip switches on the circuit board as follows to change the settings Incorrectly setting SW421 may cause damage to the circuit board SW421 1 SW421 2 SW3 1 SW3 2 4 20 mA ON ON OFF OFF 0...

Страница 99: ...nal of 6 mA Preset temp A External analog input signal of 18 mA Preset temp B External analog input signal of between 6 and 18 mA the preset temperature will be linearly interpolated When the water temperature setting input signal type is 0 10 V External analog input signal of 1 V Preset temp A External analog input signal of 9 V Preset temp B External analog input signal of between 1 and 9 V the ...

Страница 100: ...rature will be linearly interpolated When the water temperature setting input signal type is 2 10 V External analog input signal of 3 V Preset temp A External analog input signal of 9 V Preset temp B External analog input signal of between 3 and 9 V the preset temperature will be linearly interpolated Preset temp B Preset temp A 1 5V Input voltage 4 5 V 1 V 5 V Preset temp B Preset temp A 3 V Inpu...

Страница 101: ...early interpolated When the capacity control ratio input signal type is 0 10 V External analog input signal of 1 V 0 External analog input signal of 9 V 100 External analog input signal of between 1 and 9 V the percent will be linearly interpolated When the capacity control ratio input signal type is 1 5 V External analog input signal of 1 5 V 0 External analog input signal of 4 5 V 100 External a...

Страница 102: ...ernal analog input signal of between 3 and 9 V the percent will be linearly interpolated 100 0 3 V Input voltage 9 V Load ratio 2 V 10 V When the compressor frequency drops below 16 Hz the compressor stops The frequency value that causes the compressor to stop varies depending on the outside temperature and water temperature HWE1417B book 93 ページ２０１９年７月１６日火曜日午後３時４７分 ...

Страница 103: ...le 1 Water temperature control option SW2 5 is set to OFF the inlet water temperature drops below a set water temperature and the outdoor temperature drops below a set outdoor temperature 2 Water temperature control option SW2 5 is set to ON the external water temperature sensor reading TH15 drops below a set water temperature and the outdoor temperature drops below a set outdoor temperature 1 The...

Страница 104: ...ion Press the push switch SWP3 to enable the configuration changes Press the push switches SWP1 or SWP2 to increase or decrease the value When the desired value is displayed press SWP3 to save the setting value Settings table The outdoor temperature drops below a set outdoor temperature The outdoor temperature is at or above a set outdoor temperature 2ºC No Dip switch setting SW1 ON OFF Setting It...

Страница 105: ...charge gas temp OFF ºC If a discharge gas temperature of 120ºC or above was detected three times in 1 hour the unit will make an abnormal stop Outlet water TH3 Outlet water temp cooling OFF ºC An outlet water temperature of 3ºC was detected An outlet brine temperature of 15ºC was detected Outlet water temp heating OFF ºC An outlet water temperature of 65ºC was detected Air side HEX re frigerant te...

Страница 106: ...nds after the startup the compressor will be controlled every 15 seconds so that the frequency fluctuation will be kept within 20 of the current frequency The amount of frequency change is controlled to approximate the target value that are determined based on the temperature difference between the current and the preset water temperatures The minimum operating frequency is 16 Hz The maximum frequ...

Страница 107: ...on of the last defrost cycle has reached 40 minutes 4 The ACC inlet refrigerant temperature is equal to or below the defrost start temperature See the figure at right 5 Inlet water temperature is above 15ºC 30 25 20 15 10 5 0 20 15 10 5 0 5 10 15 Outdoor temp CDB ACC inlet refrigerant temp C The defrost cycle will end when one of the following conditions is met 1 Twenty seconds have passed since t...

Страница 108: ...ure Operation during power failure Normal operation During an instanta neous power failure the unit will be con trolled according to the input status of the circuit board im mediately before the instantaneous power failure All outputs will be turned off immedi ately after power failure Operation after power is restored Automatic restoration after power failure is set to Enabled SW2 9 is set to ON ...

Страница 109: ...ect the compressor from short cycling This function is effec tive even after a power failure Compressor ON OFF Time Min 3 minutes 3 minute restart delay function The 3 minite restart delay function will be triggered in the following situations 1 The setting for the SWS1 Local Off Remote was changed or 2 after a power failure Min 12 minutes 15 minutes 12 minutes Compressor ON ON for 9 minutes ON fo...

Страница 110: ...l freeze up protection TB6 N Pump operation command output K62 CN510 Pump error ELB M 3 MP K61 L2 PL L1 52P 52P 52P L3 X04 F X05 power supply 3N 50Hz 380 400 415V 4 1 2 3 5 6 7 Control method Natural freeze up protection based on the water temperature Details Pump start conditions Water temperature is within 3 ºC Pump stop conditions Water temperature is more than 5 ºC HWE1417B book 101 ページ２０１９年７...

Страница 111: ... 57ºC Heating 2 Outlet water temperature has reached 3 6ºC Cooling 3 Outlet brine temperature has reached 14 4ºC Cooling SW2 5 Outlet water temperature based control OFF Factory setting Water temperature control based on the external water temperature reading ON sensor Control method Thermo ON conditions Built in thermistor Outlet water temper ature based control Outlet water temperatures 53 ºC He...

Страница 112: ...ds have passed since the last Thermo ON When the water temperature is controlled based on the outlet water temperature compressor frequency will be controlled in the way that the target water temperature will be maintained 0 2 5 0C Variable Set Temp Set Temp Differential Water Temp High Low 0 20 0 20 Thermo ON Thermo OFF Comp frequency up Comp frequency down Same frequency Set Temp Differential 0 ...

Страница 113: ...f the setting for the dip switch is changed reset the power supply to enable the setting A separately sold water temperature sensor TW TH16 will be required to control the water temperature based on the exter nal water temperature reading Install the external water temperature sensor and wiring according to the instructions on the next page Operation Mode 12 Remote water temperature setting input ...

Страница 114: ...wirling or impact flow Wire specifications Wire size 2 core cable Min 1 25 mm2 Type CVVS or CPEVS Maximum length 20 m Horizontal installation Vertical installation Note Sensor wire External water temperature sensor Control box 12 pin terminal block in the control box on the unit Unit 50 48 T2 T1 A B constant 3460K R 1 2 Sensor Sensor properties Resistance R 15KΩ 3 0 C Terminal block for connection...

Страница 115: ... 106 VII Control GB HWE1417B HWE1417B book 106 ページ２０１９年７月１６日火曜日午後３時４７分 ...

Страница 116: ...to be checked before a Test Run 109 2 Test Run Method 111 3 Operating the Unit 112 4 Refrigerant 113 5 Symptoms that do not Signify Problems 113 6 Standard operating characteristics Reference data 113 HWE1417B book 107 ページ２０１９年７月１６日火曜日午後３時４７分 ...

Страница 117: ... 108 HWE1417B GB HWE1417B book 108 ページ２０１９年７月１６日火曜日午後３時４７分 ...

Страница 118: ...he ranges specified in the table below 7 Check that the correct voltage is applied Check that the voltage that is applied while the unit is stopped and the load side voltage of the solenoid contactor in the relay box during operation are within the voltage ranges Check the voltage in all phases L1 L2 and L3 and make sure that the voltage imbalance between the phases is 2 or less 8 Check either the...

Страница 119: ...d and how to set the water temperature 12 Connect the pump interlock wire to the appropriate contacts 1 Connecting the pump interlock wire Connect the pump interlock wire to the pump interlock circuit Terminal block K04 and K06 The unit will not operate unless this circuit is complete 2 Notes on connecting the pump interlock wire Connect an NO relay solenoid switch for the pump This circuit is a l...

Страница 120: ...a temperature at least 5 ºC above the current settings Note 1 Refer to the relevant pages if an error code appears on the remote controller or when the unit malfunctions Page 123 Run Stop Press the ON OFF button to start operation To stop the operation press the ON OFF button 1 2 3 4 5 11 10 9 8 7 6 1 2 3 4 5 6 7 8 9 10 11 11 11 Operation procedures The ON OFF lamp will light up in green and the o...

Страница 121: ... compressor stops it will not start up again for up to 12 minutes If the unit does not start when the ON OFF switch is turned on leave the switch turned on for 12 minutes The unit will automatically start up within 12 minutes To stop an operation Switch off the Run Stop switch that controls the unit on the on site control panel or press the ON OFF button on the remote controller 1 1 Refer to 2 Tes...

Страница 122: ...d on PLEASE WAIT blinking display PAR W21MAA or PAR W31MAA The system is under starting up Operate the remote controller after the blinking of PLEASE WAIT is disappeared Heating Cooling Ambient temperature DB C 7 35 WB C 6 24 Temperature Discharge refrigerant C 80 82 ACC inlet refrigerant C 3 9 Water heat exchanger refrigerant C 43 7 Air heat exchanger refrigerant C 1 37 Outdoor temperature C 7 35...

Страница 123: ... VIII Test Run Mode 114 HWE1417B GB HWE1417B book 114 ページ２０１９年７月１６日火曜日午後３時４７分 ...

Страница 124: ...17B GB IX Troubleshooting 1 Maintenance items 117 2 Troubleshooting 120 3 Troubleshooting Principal Parts 130 4 Refrigerant Leak 145 5 Parts Replacement Procedures 146 HWE1417B book 115 ページ２０１９年７月１６日火曜日午後３時４７分 ...

Страница 125: ... 116 HWE1417B GB HWE1417B book 116 ページ２０１９年７月１６日火曜日午後３時４７分 ...

Страница 126: ...2 Demand max d n a m e d y t i c a p a c m u m i x a M Demand Peak demand control Start time End time On Off1 Scheduled operation 1 Operation start time 1 Operation end time 1 On Off2 Scheduled operation 2 Operation start time 2 Operation end time 2 On Off3 Scheduled operation 3 Operation start time 3 Operation end time 3 Setting temp1 Water temp setting 1 Setting temp2 Water temp setting 2 Settin...

Страница 127: ... Thermistor Discharge Ref temperature TH15 Thermistor External Water sensor THc1 Water Inlet temp 1 compensation TH1 THc2 Water Inlet temp 2 compensation TH2 THc3 Water Outlet temperature compensation TH3 THc15 External water temperature compensation TH15 63H1 High pressure switch HP 63HS High pressure sensor LP 63LS Low pressure sensor Vdc COMP bus voltage V Iu Phase U current of compressor A Iw ...

Страница 128: ...e W current of compressor A Ts Target water temperature Twi Current inlet water temperature Two Current outlet water temperature Twg External water temperature SHs Target superheat value at the ACC inlet pipe SCs Target subcool value at the condenser outlet pipe SH SC Td SH Superheat value at the discharge pipe THHS Thermistor IGBT temperature LEV1 Electronic expansion valve Main Sub circuit COMP1...

Страница 129: ...re enough water flow rate The discharge temperature thermistor has tripped 1102 LEV fault in the main circuit Replace the LEV in the main circuit Refrigerant gas leakage Leakage test Refrigerant undercharge Repair the cause of refrigerant shortage evacuate the system and charge the refrig erant circuit with refrigerant A thermistor error was detected 5101 5115 Broken or short circuited thermistor ...

Страница 130: ...items above and make neces sary adjustments so that the suction gas temperature falls within the specified tem perature range The unit has stopped during operation and does not restart Overcurrent passed through the compressor 4250 Outdoor temperature is high Overload operation Burnt motor Seized compressor Reduce the operation load and check the operation patterns Replace the compressor A water s...

Страница 131: ...ainst the table below 2 Check for possible causes of problems listed in the Cause column that correspond to the error code 3 If the error codes that appear on the display are not listed in the table below or no problems were found with the items listed in the Cause column please consult your dealer or service HWE1417B book 122 ページ２０１９年７月１６日火曜日午後３時４７分 ...

Страница 132: ...LS6 LV VHW WR 2 I DOO RI WKH IROORZLQJ FRQGLWLRQV DUH PHW DQ HUURU FRGH ZLOO EH GLVSOD HG DQG WKH XQLW will come to an abnormal stop The error will be reset by turning off the power 1 VHFRQGV KDYH SDVVHG DIWHU WKH FRPSUHVVRU RQ WKH XQLW VWDUWHG RSHUDWLQJ 1 WKH IRUPXOD DWHU LQOHW WHPSHUDWXUH ZDWHU RXWOHW WHPSHUDWXUH DQG RZ SUHVVXUH 3 03D UHPDLQV WUXH IRU WKUHH VHFRQGV 2 LS6 LV VHW WR 2 1RWH 7 0DLQ ...

Страница 133: ...and remain stopped for 12 PLQXWHV I LW KDSSHQV WZLFH LQ DQ KRXU DQ HUURU FRGH ZLOO EH GLVSOD HG DQG WKH XQLW will come to an abnormal stop 1RWH FFXPXODWRU LQOHW VXSHUKHDW RI WKH PDLQ FLUFXLW 7 6DWXUDWLRQ WHPSHUDWXUH DV FDOFXODWHG IURP WKH 3 UHDGLQJ 1RWH FFXPXODWRU LQOHW VXSHUKHDW RI WKH VXE FLUFXLW 7 6DWXUDWLRQ WHPSHUDWXUH DV FDOFXODWHG IURP WKH 3 UHDGLQJ LQOHW UHIULJHUDQW WHPSHUDWXUH WKHUPLVWRU f...

Страница 134: ...PDLQV WUXH IRU VHFRQGV RU ORQJHU DQ HUURU FRGH GHWDLO FRGH ZLOO EH displayed the unit will go into the preliminary error state come to a stop and remain stopped for 12 minutes If it happens three times in an hour an error FRGH GHWDLO FRGH ZLOO EH GLVSOD HG DQG WKH XQLW ZLOO FRPH WR DQ abnormal stop Broken or shorted thermistor wiring O O 1211 WHUQDO ZDWHU WHPSHUDWXUH 7 I WKH WHPSHUDWXUH VHQVRU UHD...

Страница 135: ...op O O Gas leak fault I WKH KLJK SUHVVXUH VHQVRU 3 3 UHDGV D YDOXH 03D DQG EHORZ DQ HUURU FRGH will be displayed and the unit will come to an abnormal stop The error will be reset E SHUIRUPLQJ D SRZHU UHVHW LI WKH KLJK SUHVVXUH 3 3 UHDFKHV 03D RU DERYH High pressure sensor fault 5HIULJHUDQW GH FLHQF UHIULJHUDQW JDV OHDN O O RZ HYDSRUDWLRQ WHPSHUDWXUH IDXOW HWDLO FRGH I D YDOXH WKDW VDWLV HV WKH IR...

Страница 136: ...ly voltage drop Inter phase voltage is 180 V or below Voltage drop INV board CNDC2 wiring fault INV board fault 52C fault Diode stack failure 422 108 O O 432 Bus voltage rise protection Incorrect power supply voltage INV board fault 422 109 O O VDC error Power supply voltage rise or drop PCB fault 422 110 O O Logic error Malfunction due to external noise interference Faulty grounding Improper tran...

Страница 137: ...controller over current Remote controller cable short circuit Remote controller malfunction Broken remote controller wiring 6833 X X Analog input error Control board MAIN CN421 Analog input type fault SW3 1 SW3 2 Broken or open analog signal output device wiring CN421 4126 Communication error between the main and sub units Communication error between the MAIN and SUB circuits 6500 Transmission lin...

Страница 138: ... Cooling fan fault 5101 Water inlet temp 1 thermistor error TH1 5102 Water inlet temp 2 thermistor error TH2 5103 Water inlet temp 3 thermistor error TH3 5105 ACC inlet refrigerant temperature thermistor error TH5 TH25 5106 Air heat exchanger refrigerant thermistor error TH6 TH26 5107 Water heat exchanger refrigerant thermistor error TH7 TH27 5110 Outdoor temperature thermistor error TH10 5111 Dis...

Страница 139: ... from the control board to check the pressure on the self diagnosis LED1 1 When the pressure displayed on self diagnosis LED1 is between 0 and 0 1MPa the high pressure sensor has a problem 2 When the pressure displayed on self diagnosis LED1 is approximately 4 15MPa the control board has a problem 4 Remove the high pressure sensor from the control board and short circuit between the No 2 and 3 con...

Страница 140: ...pproximately 1 7MPa the control board has a problem When the outdoor temperature is 43 C or less the control board has a problem When the outdoor temperature exceeds 43 C go to 5 4 Remove the low pressure sensor from the control board and short circuit between the No 2 and 3 connectors 63LS CN63LS to check the pressure with the self diagnosis LED1 1 When the pressure displayed on the self diagnosi...

Страница 141: ... each sensor by disconnecting the corresponding connector TH11 TH21 CN401 TH5 TH25 CN408 1 2 TH1 CN407 1 2 1 2 TH7 TH27 CN406 TH6 TH26 CN404 TH10 CN405 TH3 TH2 CN407 3 4 CN406 5 6 2 Pull out the sensor connector from the I O board Do not pull on the lead wire Measure the resistance with a tester If the measured value is within 10 of the value as shown in the table below the circuit sensor is norma...

Страница 142: ...t pulses change in the following orders when the Valve is closed 1 2 3 4 1 Valve is open 4 3 2 1 4 1 When the LEV opening angle does not change all the output phases will be off 2 When the output is open phase or remains ON the motor cannot run smoothly and rattles and vibrates Upon power on a 2260 pulse signal is sent to the LEV to determine the valve position and bring the valve to the position ...

Страница 143: ... runs idle and makes a small clicking sound When the valve makes a closing and opening sound the valve has a problem Replace the LEV Disconnected or short circuited LEV motor coil Measure resistance between the coils red white red orange red yellow red blue using a tester They are normal if resistance is 150ohm 10 Replace the LEV coils Faulty wire con nections in the connector or faulty contact 1 ...

Страница 144: ... pipe will be bent 2 Installing the coils Fix the body tightly at the bottom Part A in the figure so that the body will not move then insert the coils from the top and insert the coil stopper securely in the pipe on the body Hold the body when pulling out the coils to prevent so that the pipe will not be bent If the coils are pushed without the body gripped undue force will be applied and the pipe...

Страница 145: ...0V or less It takes about 10 minutes to discharge electricity after the power supply is turn off 2 The IPM on the inverter becomes damaged if there are loose screws are connectors If a problem occurs after replacing some of the parts mixed up wiring is often the cause of the problem Check for proper connection of the wiring screws connectors and Faston terminals 3 To avoid damage to the circuit bo...

Страница 146: ... is not running parallel to the power supply wiring and the transmission lines 3 Check that the shielded wire is used as the transmission line when it is required and check that the grounding work is performed prop erly on the shielded wire 4 Meg failure for electrical system other than the inverter 5 Attach a ferrite core to the inverter output wiring Contact the fac tory for details of the servi...

Страница 147: ...erant in the compressor If there is none replace the com pressor 2 Compressor coil resistance failure Coil resistance value of 0 092 ohm 20 C Replace the compressor 3 Check wheth er the inverter is damaged No load 1 Disconnect the invert er output wire from the terminals of the INV board SC U SC V SC W 1 Inverter related problems are de tected Connect the short circuit connec tor to CN6 and go to ...

Страница 148: ...Greater than the larger of the fol lowing values imbalance of 5 or 5V Replace the INV board if there is a voltage imbalance Check the crankcase heater for problems if there is no volt age imbalance When the error occurred liq uid refrigerant may have been present in the compressor 5 Check the fan motor ground fault or the winding Remove the wire for the out door fan motor and check the fan motor m...

Страница 149: ...omponents of main inverter circuit page 141 IGBT module Rush current protection resistor Electromagnetic relay DC reactor 3 Turn on the power again and check again 1 Main power breaker trip 2 No remote control display 4 Turn on the unit and check that it operates normally 1 Operates normally without tripping the main breaker a The wiring may have been short circuit ed Search for the wire that shor...

Страница 150: ...nnected the INV board and make the measurement 2 Tester restriction Use the tester whose internal electrical power source is 1 5V or greater Use the dry battery powered tester The accurate diode specific resistance cannot be measured with the button battery powered card tester as the applied volt age is low Use a low range tester if possible A more accurate resistance can be measured Part name Jud...

Страница 151: ...2 SC L3 Red SC P1 5 200 ohm 5 200 ohm 5 200 ohm FT N SC L1 5 200 ohm SC L2 5 200 ohm SC L3 5 200 ohm Black SC P2 FT N SC U SC V SC W Red SC P2 5 200 ohm 5 200 ohm 5 200 ohm FT N SC U 5 200 ohm SC V 5 200 ohm SC W 5 200 ohm SC U SC W SC V FT N SC P1 SC P2 SC L1 SC L2 SC L3 HWE1417B book 142 ページ２０１９年７月１６日火曜日午後３時４７分 ...

Страница 152: ...x the wiring and connector disconnection Check for shorted transmission line or power feed collision for centralized control Replace the control board Check the voltage between No 1 and No 2 pins of the CN102 on the power supply board for the transmission line Check the voltage between No 1 and No 3 pins of the noise filter CN4 Check the voltage between No 1 and No 3 pins of the noise filter CN5 C...

Страница 153: ...gerant from the unit before disposing of the unit 5 If the cause of the problem cannot be identified contact the service desk with the following information unit model serial number and the nature of the problem 2 Connection of AE 200E and communication errors AE 200E will automatically be recognized when connected Once connected interruption of communication with AE 200E will be flagged as a comm...

Страница 154: ...ter I 5 Vacuum Drying Evacuation for detailed procedure page 7 WARNING Do not use refrigerant other than the type indicated in the manuals provided with the unit and on the nameplate Doing so may cause the unit or pipes to burst or result in explosion or fire during use during repair or at the time of disposal of the unit It may also be in violation of applicable laws MITSUBISHI ELECTRIC CORPORATI...

Страница 155: ...er side heat exchanger assy Water side heat exchanger assy Linear expansion valve Check joint Check joint Linear expansion valve Thermistor TH11 Scroll compressor MAIN Thermistor TH26 Four way valve EAHV only Strainer Strainer Strainer Strainer Oil separator Heat exchanger Oil separator Belt heater Belt heater Rubber mount Thermistor TH27 Thermistor TH2 Thermistor TH7 Thermistor TH1 Thermistor TH6...

Страница 156: ...leshooting 147 HWE1417B GB Air purge valve Housing joint 50A Thermistor TH3 Housing joint 100A Housing joint 100A Ball valve Air purge valve Inside header piping type HWE1417B book 147 ページ２０１９年７月１６日火曜日午後３時４７分 ...

Страница 157: ...move the control box 4 5 1 Remove the belt heater and the wires 2 Debraze the pipe connections at two locations 3 Unscrew the four fixing screws and remove the compressor 4 Install the new compressor 5 Connect the pipes by brazing 6 Re place the belt heater and the wires 1 Re place the control box 2 Re place the decoration panel SR and panels SR and F 3 Charge the unit with refrigerant 2 Decoratio...

Страница 158: ... 5 Connect the pipes by brazing 6 Re place the belt heater and the wires 1 Re place the control box 2 Re place the decoration panel SL and panels SL and F 3 Charge the unit with refrigerant 1 Switch off the power of the unit Before collecting refrigerant from the unit drain water from the plate heat exchanger to keep the water from freezing and damaging the unit 2 Collect the refrigerant Decoratio...

Страница 159: ...tions as indicated in the figure at left to allow for the removal of the element 1 Switch off the power of the unit Before collecting refrigerant from the unit drain water from the plate heat exchanger to keep the water from freezing and damaging the unit 2 Collect the refrigerant Decoration panel SL Panel SL Decoration panel SL Panel M Panel SL Panel F Fan control box 3 4 5 6 8 7 1 2 Decoratio Pa...

Страница 160: ...ement 1 Using the replacement pipe kit for water to refrigerant heat exchanger braze connect all pipes as they were 8 1 Re place the fan control box 2 Replace the decoration panels SL and SR panels SL M and SR and the three panels F 3 Charge the unit with refrigerant Fixing screw also found on the other side Fixing screw also found on the left side HWE1417B book 151 ページ２０１９年７月１６日火曜日午後３時４７分 ...

Страница 161: ...locations as shown in the figure at left to allow for the removal of the element 1 Switch off the power of the unit Before collecting refrigerant from the unit drain water from the plate heat exchanger to keep the water from freezing and damaging the unit 2 Collect the refrigerant 1 2 3 4 Decoration panel SL Panel SL Decoration panel SL Panel M Panel SL Panel F Fan control box Decoratio Panel S an...

Страница 162: ...ment 1 Using the replacement pipe kit for water to refrigerant heat exchanger braze connect all pipes as they were 8 1 Re place fan control box 2 Re place the decoration panels SL and SR panels SL M and SR and the three panels F 3 Charge the unit with refrigerant Fixing screw also found on the other side Fixing screw also found on the left side HWE1417B book 153 ページ２０１９年７月１６日火曜日午後３時４７分 ...

Страница 163: ...GB 1 2 3 Fan Replacement Instructions 1 Switch off the power of the unit 1 Remove the air guide 1 Remove panels S and M 4 1 Remove the bellmouths Air guide Panel S Panel S Panel M Bellmouths HWE1417B book 154 ページ２０１９年７月１６日火曜日午後３時４７分 ...

Страница 164: ...rap from the ferrite core mounting plate and attach it to the ferrite core on the new fan 2 Re place the fan 3 Attach the ferrite core mounting plate to the new fan 4 Connect the relay connectors on the fan Replace the cable protector with snap buttons as it was 8 1 Re place the bellmouths 2 Install the pillar 3 Install the air guide 5 Detailed view of the relay connectors and their surrounding pa...

Страница 165: ...plosion Draining the water from the unit before a long period of non use off season for repair etc 1 Draining the cold hot water Drain all water from the water side heat exchanger through the drain valve to be installed on site to keep the water from freezing or rusting the unit To drain water in the pipes inside the unit and in the water heat exchanger unplug the drain plug located at the lower p...

Страница 166: ... 157 HWE1417B GB X Attachments 1 R410A saturation temperature table 159 HWE1417B book 157 ページ２０１９年７月１６日火曜日午後３時４７分 ...

Страница 167: ... 158 HWE1417B GB HWE1417B book 158 ページ２０１９年７月１６日火曜日午後３時４７分 ...

Страница 168: ... 11 38 11 68 11 98 12 28 12 57 12 87 13 16 13 45 13 74 14 03 14 31 14 59 14 88 15 16 15 43 15 71 15 99 16 26 16 53 16 80 17 07 17 34 17 60 17 87 18 13 18 39 18 65 18 91 19 17 19 42 19 68 19 93 20 18 20 43 20 68 20 93 21 18 21 42 21 67 21 91 22 15 22 39 22 63 22 87 23 11 23 34 23 58 23 81 24 04 24 28 24 51 24 74 24 96 25 19 25 42 25 64 25 87 3 89 4 25 4 61 4 96 5 31 5 66 6 00 6 35 6 68 7 02 7 35 7 ...

Страница 169: ... 4 00 4 01 4 02 4 03 4 04 4 05 4 06 4 07 4 08 4 09 4 10 4 11 4 12 4 13 4 14 4 15 63 08 63 19 63 31 63 42 63 53 63 64 63 75 63 86 63 97 64 08 64 19 64 30 64 41 64 52 64 63 64 74 63 19 63 27 63 38 63 49 63 60 63 71 63 82 63 93 64 04 64 15 64 26 64 37 64 48 64 59 64 69 64 80 HWE1417B book 160 ページ２０１９年７月１６日火曜日午後３時４７分 ...

Страница 170: ......

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