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GMV5 DC INVERTER VRF UNITS SERVICE MANUAL

135

C2

Communication

failure between

main control board

and inverter

compressor drive

1. The control board is powered off;
2. The compressor drive board is
powered off;
3.

The

communication

cable

between  the  control  board  and
compressor  drive  board  is  not
connected;
4.  The  compressor  drive  board's
dial switch SA201 is wrong.

1. Check the power supply of the control
board.  Replace  the  control  board  if  it
works properly;
2.  Check  the  power  supply  of  the  drive
board.  Replace  the  drive  board  if  it
works properly;
3.  Connect  the  main  board  and  drive
board using the communication cable;
4.  Adjust  the  dial  switch  of  the
compressor drive board.

P3

Compressor drive

module reset

protection

1. The compressor drive board is
faulty.

1. Replace the compressor drive board.

P5

Inverter compressor

over-current

protection

1. The drive board's IPM module is
damaged;
2. The compressor's UVW cable is
not connected properly;
3. The compressor is damaged.

1. Replace the compressor drive board;
2.  Reconnect  the  compressor's  UVW
cable;
3. Replace the compressor.

P6

Compressor drive

IPM module

protection

1. The drive board's IPM module is
damaged;
2. The compressor's UVW cable is
not connected properly;
3. The compressor is damaged.

1. Replace the compressor drive board;
2.  Reconnect  the  compressor's  UVW
cable;
3. Replace the compressor.

P7

Compressor drive

temperature sensor

fault

1. The compressor drive board is
faulty.

1. Replace the compressor drive board.

P8

Compressor drive

IPM

over-temperature

protection

1. The compressor drive board is
faulty;
2. Thermal gel is not applied evenly
on the IPM module;
3. The IPM module is not screwed
properly.

1. Replace the compressor drive board;
2. Apply thermal gel evenly on the IPM
module;
3. Screw the IPM module properly.

P9

Inverter compressor

out-of-step

protection

1. The compressor drive board is

faulty.

2. The compressor is damaged.

1. Replace

the

compressor

drive

board.

2. Replace the compressor.

PH

Compressor drive

DC bus high voltage

protection

1.  Does  the  voltage  of  the  input
power  cable  of  the  whole  system
exceed 460 V;
2.  The  compressor  drive  board  is
faulty.

1. Lower the voltage of the input power
cable to the required range;
2. Replace the compressor drive board.

PL

Compressor drive

DC bus low voltage

protection

1. Is the voltage of the input power
cable of the whole system lower
than 320 V;
2. The compressor drive board is
faulty.

1. Elevate the voltage of the input power
cable to the required range;
2. Replace the compressor drive board.

PC

Compressor drive

current check circuit

fault

1. The compressor drive board is
faulty.

1. Replace the compressor drive board.

PF

Compressor drive

recharging circuit

fault

1. Is the voltage of the input power
cable of the whole system lower
than 280 V;
2. The compressor drive board is
faulty.

1. Elevate the voltage of the input power
cable to the required range;
2. Replace the compressor drive board.

PJ

Inverter compressor

starting failure

1. The drive board is damaged;
2. The compressor's UVW cable is
not connected properly;
3. The compressor is damaged.

1. Replace the compressor drive board;
2.  Reconnect  the  compressor's  UVW
cable;
3. Replace the compressor.

C3

Communication

failure between

1. The control board is powered off;
2. The fan drive board is powered

1. Check the power supply of the control
board. Replace the control board if it

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Summary of Contents for GMV-224WM/B-X

Page 1: ...GMV5 DC INVERTER VRF UNITS SERVICE MANUAL T1 R410A 50 60Hz GC201508...

Page 2: ...SPACE REQUIREMENT 29 I PLACE SELECTION FOR INSTALLING ODU 29 II ODU DIMENSIONS AND INSTALLATION HOLE SIZE 29 III INSTALLATION SPACE REQUIREMENT FOR ODU 32 PART 4 REQUIREMENTS ON FOUNDATION INSTALLATIO...

Page 3: ...OF VRF ENGINEERING COMMISSIONING 100 II REQUIRED FILES AND TOOLS FOR ENGINEERING COMMISSIONING 100 III ENGINEERING COMMISSIONING PROCEDURES 100 IV REFERENCES FOR PROPER UNIT OPERATION PARAMETERS 122 C...

Page 4: ...nt of the IDU The outdoor heat exchanger serves as a system condenser and the heat exchangers of cooling IDUs are connected in parallel to serve as a system evaporator The circulation of air supply an...

Page 5: ...GMV5 DC INVERTER VRF UNITS SERVICE MANUAL 2 II Internal Piping Design of the Units 1 Piping Diagram of GMV 224WM B X GMV 280WM B X and GMV 335WM B X...

Page 6: ...GMV5 DC INVERTER VRF UNITS SERVICE MANUAL 3 2 Piping Diagram of GMV 400WM B X and GMV 450WM B X...

Page 7: ...us ensuring the reliability during compressor startup 3 Compressor casing top temperature sensor Detects a compressor s exhaust gas temperature for compressor control and protection 4 Exhaust pipe tem...

Page 8: ...m running when the refrigerant flows back to the compressor 21 Gas outlet temperature sensor of subcooler Detects gas temperature of subcooler 22 Low pressure sensor Detects system low pressure to avo...

Page 9: ...B X GMV 78 5WM B X GMV 85 0WM B X GMV 90 0WM B X GMV 96 0WM B X GMV 10 10WM B X GMV 10 65WM B X Refrigeration Capacity HP 24 26 28 30 32 34 36 38 Combination Mode GMV 28 0WM B X GMV 40 0WM B X GMV 28...

Page 10: ...efrigeran t Name R410A R410A R410A R410A R410A R410A R410A Built in Filling Volume kg 11 3 14 3 14 3 14 3 14 3 14 3 5 9 10 3 14 3 6 7 10 3 14 3 8 2 10 3 14 3 6 7 14 3 14 3 Model GMV 1515 WM B X GMV 15...

Page 11: ...3 14 3 6 7 10 3 14 3 14 3 6 7 11 3 14 3 14 3 6 7 14 3 14 3 14 3 6 7 14 3 14 3 14 3 6 7 14 3 14 3 14 3 Model GMV 2184W M B X GMV 2240W M B X GMV 2295W M B X GMV 2350W M B X GMV 2405W M B X GMV 2460W M...

Page 12: ...GMV 1065WM B X 450 615 100 40 63 6 0 10 6 0 5 10 5 GMV 1130WM B X 504 615 125 50 63 10 10 10 5 10 5 GMV 1180WM B X 560 615 125 63 63 10 10 10 5 10 5 GMV 1235WM B X 615 615 125 63 63 10 10 10 5 10 5 G...

Page 13: ...are connecting connected to the main power Total Current Capacity of Indoor Units Circuit Breaker Capacity A Minimum Sectional Area mm of Power Cable Minimum Sectional Area mm of Grounding Wire Less...

Page 14: ...90 and the cable is exposed in cable troughs In different applications adjust the specifications based on national standards 3 Only copper conductor cable can be used 4 The sectional area of a wire i...

Page 15: ...cation according to the corresponding national standard 3 The circuit breaker specifications in the above table is obtained under the condition that the ambient temperature is 40 when the circuit brea...

Page 16: ...GMV5 DC INVERTER VRF UNITS SERVICE MANUAL 13 2 1 2 Circuit diagram of GMV 335WM B X 2 1 3 Circuit diagram of GMV 400WM B X and GMV 450WM B X...

Page 17: ...control Receiver Board JS03 Applicable for air duct type IDUs Commissioning Remote Controller YV1L1 Provides the commissioning functions for function settings of IDUs Commissioning Software DE40 33 A...

Page 18: ...r Pipe Connection 1 Outdoor units adopt the modular combination design of individual cooling system that is units are connected by using pipes in parallel during installation The tubing system used am...

Page 19: ...system otherwise overheat oil may burn the operator 2 Functions of low pressure check valve It is mainly used for low pressure detection of the system and refrigerant charging during after sale mainte...

Page 20: ...35WM B X 64 62 5 168 8 GMV 1300WM B X 64 65 0 175 5 GMV 1350WM B X 64 67 5 182 3 GMV 1410WM B X 66 70 5 190 4 GMV 1460WM B X 69 73 0 197 1 GMV 1515WM B X 71 75 8 204 5 GMV 1580WM B X 74 79 0 213 3 GMV...

Page 21: ...ention to the spaces where the refrigerant may residue for example the basement Method for calculating the maximum concentration of refrigerant 1 Calculate the refrigerant charge quantity of each syst...

Page 22: ...Connection requirements 1 The total capacity of all connected fresh air indoor units and ordinary indoor units must be 50 to 100 of the capacity of the outdoor unit Among which the capacity of the out...

Page 23: ...GMV5 DC INVERTER VRF UNITS SERVICE MANUAL 20 Indoor unit model Outdoor unit model GMV NX280P A X3 0 M GMV 280WM B X GMV NX450P A X4 0 M GMV 450WM B X Conenction diagram...

Page 24: ...ssor wear is increased or even hinder the normal operation of the system and burn the compressor 2 Nitrogen is not filled into the refrigerant pipe or insufficient Nitrogen is filled before welding Pi...

Page 25: ...de of system due to overheating operation 15 The installation space for IDU is insufficient Since there is a lack of space for maintenance and checking indoor decoration might need to be damaged durin...

Page 26: ...If the pipe needs to go through a bearing beam a steel casing must be prepared 2 Requirements for cooperation with decoration engineering The air conditioning installation should not damage the bearin...

Page 27: ...GMV5 DC INVERTER VRF UNITS SERVICE MANUAL 24...

Page 28: ...iability can be affected Therefore relevant regulations on capacity limit must be strictly followed 2 The difference of level between an ODU and an IDU and that between IDUs must be set within the des...

Page 29: ...GMV5 DC INVERTER VRF UNITS SERVICE MANUAL 26 V Construction Organization Process...

Page 30: ...nt The inner and outer surface of pipe should be smooth without pinhole crack peeling blister inclusion copper powder carbon deposition rust dirt or severe oxide film and without obvious scratch pit s...

Page 31: ...wire must be used as the communication cables of the IDU and wired controller and shielded twisted pairs must be used as the communication cables between IDUs and between the IDU and ODU Communication...

Page 32: ...y and infants live a higher refrigerating performance and noise control is required Therefore the ODU with excellent capacity and low noise is preferred in addition ODU should be installed in outdoor...

Page 33: ...GMV5 DC INVERTER VRF UNITS SERVICE MANUAL 30 Outline and Physical Dimention of GMV 335WM B X GMV 400WM B X and GMV 450WM B X unit...

Page 34: ...GMV5 DC INVERTER VRF UNITS SERVICE MANUAL 31 Outline and Physical Dimention of GMV 504WM B X GMV 560WM B X and GMV 615WM B X unit...

Page 35: ...surrounded by walls process according to the following requirements for installation space Installation space requirement for single module unit Electric box pipes go out of the electric box from this...

Page 36: ...ERTER VRF UNITS SERVICE MANUAL 33 Installation space requirements for triple module unit Electric box pipes go out of the electric box from this side Figure 5 Installation space requirement for quad m...

Page 37: ...ld be at least 1500 mm as shown in Figure 7 If the requirement for the minimum 1500 mm cannot be met or the spaces around the machine are not open an air return pipe needs to be connected to maintain...

Page 38: ...GMV5 DC INVERTER VRF UNITS SERVICE MANUAL 35...

Page 39: ...air suction inlet Monsoon direction Return air rear side Return air rear side Protective cover Return air rear side Correct 4 Snow must be considered during ODU installation Incorrect Monsoon Protecti...

Page 40: ...g requirement and is installed properly according to the engineering standards 3 Based on the unit dimensions and the size of steel plate ventilating duct prepare materials such as canvas casing tin f...

Page 41: ...se Detailed operations are as follows 1 Install the ODU 2 and steel plate ventilating duct 1 Take out the grille from the top of the top case component Use the prepared canvas casing inside out 4 to c...

Page 42: ...rews 4 Use the tin foil to seal the joints and check the joints reliability Note Remove the grille on the top case when connecting an ODU to static pressure ventilating duct otherwise the air volume e...

Page 43: ...the surface of the foundation Sharp edges must be chamfered D When the foundation is built on a concrete floor crushed stones are not required But the foundation surface must be roughened E Clear the...

Page 44: ...12 bolts securely to reduce vibration and noise III Vibration Reduction for ODU The ODU must be fixed securely Apply a thick rubber sheet or corrugated damping rubber pad with thickness of 200 mm or m...

Page 45: ...GMV5 DC INVERTER VRF UNITS SERVICE MANUAL 42 Part 5 Piping Connection Schematic Diagram of Piping Connection...

Page 46: ...GMV5 DC INVERTER VRF UNITS SERVICE MANUAL 43 Schematic Diagram of Piping Sequence GMV 224WM B X and GMV 280WM B X GMV 335WM B X GMV 400WM B X and GMV 450WM B X...

Page 47: ...GMV5 DC INVERTER VRF UNITS SERVICE MANUAL 44 GMV 504WM B X GMV 560WM B X and GMV 615WM B X...

Page 48: ...he first branch to the farthest IDU L11 Length from the first branch to the nearest IDU Equivalent length of branch of IDU is 0 5m R410A Refrigerant System Allowable Value Fitting Pipe Total length ac...

Page 49: ...IDU and the pipe length from the first branch of IDU to the nearest IDU L10 L11 40m 2 When the maximum length of the main pipe from ODU to the first branch of IDU is 90m then adjust the pipe size of t...

Page 50: ...72WM B X 51 4 25 4 GMV 2128WM B X 51 4 25 4 GMV 2184WM B X 51 4 25 4 GMV 2240WM B X 51 4 25 4 GMV 2295WM B X 51 4 25 4 GMV 2350WM B X 51 4 25 4 GMV 2405WM B X 51 4 25 4 GMV 2460WM B X 51 4 25 4 3 If t...

Page 51: ...ts 0 25 Piping between modules is at the same level with the module pipe connector Piping between modules is under the module pipe connector and does not incline Piping between modules is under the mo...

Page 52: ...n as follows Basic Module Pipe between ODU and the first branch of IDU Gas Pipe mm Liquid Pipe mm GMV 224WM B X 19 05 9 52 GMV 280WM B X 22 2 9 52 GMV 335WM B X 25 4 12 7 GMV 400WM B X 25 4 12 7 GMV 4...

Page 53: ...the branch of outdoor module 504 C ML01 A 3 Fitting pipe between two manifolds from basic modules Pipe size between two manifolds from basic modules is based on the total capacity of upstream modules...

Page 54: ...04WM B X 28 6 15 9 GMV 560WM B X 28 6 15 9 GMV 615WM B X 28 6 15 9 For multiple modules the piping from ODU to the first branch of IDU is based on the total rated capacity of outdoor modules Total rat...

Page 55: ...V 1580WM B X 44 5 22 2 GMV 1630WM B X 44 5 22 2 GMV 1685WM B X 44 5 22 2 GMV 1750WM B X 44 5 22 2 GMV 1800WM B X 44 5 22 2 GMV 1845WM B X 41 3 19 05 GMV 1908WM B X 44 5 22 2 GMV 1962WM B X 44 5 22 2 G...

Page 56: ...t side is based on the total capacity of upstream indoor unit s Total Rated Capacity X kW of Downstream Indoor Units Fitting Pipe Size between Indoor Manifolds Gas Pipe mm Liquid Pipe mm X 5 6 12 7 6...

Page 57: ...NITS SERVICE MANUAL 54 Rated capacity of indoor unit C kW Pipe between indoor branch and IDU Gas Pipe mm Liquid Pipe mm C 2 8 9 52 6 35 2 8 C 5 0 12 7 6 35 5 0 C 14 0 15 9 9 52 14 0 C 16 0 19 05 9 52...

Page 58: ...l units The minimum distance between the refrigerant pipe with an insulation layer and the air return box is 300 mm If the air return or manhole is at the right lower part of the unit the minimum dist...

Page 59: ...2 3 Precautions During bending there must be no corrugation or deformation inside the pipe The welding point of the pipe should not be at the bending part The distance between the nozzle welding join...

Page 60: ...bottom The diameter of the steel casing must be determined based on the thickness of the insulation layer and the inclination degree of the condensate water pipe Fill the gap between the pipe and the...

Page 61: ...n will not loose from the friction surface The flaring direction of the socket component must face towards the direction of medium flow During pipe connect protect the braze welding part according the...

Page 62: ...same level The shaping size and assembly angle cannot be changed D2 Vertical installation The direction can be upwards or downwards Three ports must be on the same elevation without inclination Withi...

Page 63: ...o the manifold purchased from Gree H Because the manifold structure is complex perform with care to ensure tight insulation 3 7 Pipe Cleaning by Nitrogen Before connecting the flare opening of the pip...

Page 64: ...orresponding caliber to the gas pipe and liquid pipe at the position relatively close to the ODU and easy for operation Second install a filter 100 mesh ft2 between the added stop valve outside the ga...

Page 65: ...Avoid overlapping it with other pipes to ensure straight inclination The clamp of the pipe hanger is fixed outside the insulation layer The height of the clamp can be adjusted 2 2 Distance between Han...

Page 66: ...hen wrap them with plastic adhesive tape The width of the adhesive tape must be 5 cm or more to prevent dewing 3 Other Requirements 3 1 Ensure an inclination degree of more than 1 when connecting the...

Page 67: ...termined by the technical personnel III Insulation System 1 Insulation for the Refrigerant Pipe System 1 1 Insulation Materials Use closed cell foam insulation materials with flame retardant grade of...

Page 68: ...stem 2 1 Insulation Materials Use closed cell foam insulation materials with retardant grade of B1 The heat conductivity is not greater than 0 035 w m k when the average temperature is 0 C 2 2 Thickne...

Page 69: ...gle phase unit Grounding screw Warning 1 Reliable grounding is required 2 The screw for fixing the conducting wire must be tightened It must be replaced if slipped screw head exists 3 The external con...

Page 70: ...nit 1 master module Remote monitoring Indoor unit 1 Wired controller Indoor unit 2 The last indoor unit Indoor unit n Wiring with matching resistor Wired controller Wire controller Power terminal bloc...

Page 71: ...on unit capacity configuration 3 Procedure for Installing the Power Cable 1 Knock off the knockouts used for threading the external power cable fit the threading rubber ring to the hole and thread the...

Page 72: ...ing 2 of the external power cable Routing diagram of the external power cable Use ties support heads to fix the communication cable Lead the communication cable through the hole Lead the power cable t...

Page 73: ...ly the function DIP needs to be set for the ODU For details see the description on function setting of the ODU 1 Connection of Communication Cable Terminals All connections for communication of GMV5 a...

Page 74: ...ion Cable Connection Method and Procedure A Communication cable connection between the IDUs and ODUs The communication cable between the IDUs and ODUs is connected via interface D1 D2 on the terminal...

Page 75: ...ar ODU the master unit must be the first ODU module on the communication cable and cannot be connected to the IDU The master unit is set by SA8 on the main board of the ODU b If there are multiple mod...

Page 76: ...eing performed The test pressure for R410A system is 4 0 MPa Use dry nitrogen as media for the air tightness test Increase the pressure slowly by following the steps below Step 1 Increase the pressure...

Page 77: ...0 1 MPa or more If not leakage may exist Perform leakage check again If no leakage exists continue to vacuumize for 2 hours f If the vacuum degree cannot be kept after vacuumization is performed for t...

Page 78: ...3 5 3 5 4 0 4 5 5 105 C 135 4 2 2 2 5 3 3 3 5 4 4 4 3 5 3 5 4 5 5 5 5 6 6 Note 1 Rated capacity configuration rate C for IDUs and ODUs Sum of rated cooling capacity of IDUs Sum of rated cooling capaci...

Page 79: ...ect it to the refrigerant tank Step 3 Properly loosen the joint between the medium gauge pipe and the pressure gauge and slightly turn on the valve of the refrigerant tank Vacuumize the medium gauge p...

Page 80: ...s liquid and connect it to the low pressure detection valve as shown in the following figure Step 2 Turn on the valves for the liquid and gas pipes of each module completely For the modular unit the o...

Page 81: ...king substances has a higher working pressure than that of R22 working substances The working pressure of the former is 1 6 times than that of the latter 2 The refrigerating system of R410A working su...

Page 82: ...in each refrigerating system This DIP switch is mandatory The default factory setting is the master unit status Note On the master module the SA8 DIP switch must be set again the SA1 DIP switch cannot...

Page 83: ...Otherwise address conflicts may occur and the unit cannot run properly 3 Compressor Emergency Operation DIP Switch SA3_COMP E Corresponding to 2 6 compressors the compressor emergency operation DIP sw...

Page 84: ...ompressor module to emergency mode set the DIP switch as follows 1 Compressor Module Emergency Operation DIP Switch SA4_I M E DIP1 DIP2 Remark 0 0 Not shielding the operation of 1 compressor module 1...

Page 85: ...eption fault may occur B Only one fan can be set to emergency mode on a module C The default factory setting is 00 D The system cannot continually run for more than 120 hours in fan emergency operatio...

Page 86: ...may occur B A module must be set to master unit status and only one module can be set to master unit status in each refrigerating system Other modules are set to sub module status C Settings must be...

Page 87: ...ward selection button SW3 FUNCTION Indicates the function button used for function settings SW4 CHECK Indicates the query button used for function query SW5 SKIP Indicates the skip button SW6 BACK Ind...

Page 88: ...01 No automatic conservation settings It can be set and queried n3 Forcible defrosting operation Forcibly enables ODU defrosting operation It can only be set n4 Conservation control 2 Forcibly decreas...

Page 89: ...ode and air supply mode nH Single heating Heating mode and air supply mode Note The heating mode cannot work with the air supply mode at the same time nF Air supply Air supply mode The user or adminis...

Page 90: ...onditions 7 n4 Conservation control 2 The highest capacity output limitation is set when users require forcibly limiting the system power consumption The setting scope is as follows Code Highest Outpu...

Page 91: ...rent Progress Display Mode Current Status Display Mode A7 On 00 Blinking OC Blinking A6 On nC Blinking nC Blinking A2 On 01 Blinking 00 Blinking A8 On 00 Blinking OC Blinking n0 On 01 Blinking OC Blin...

Page 92: ...W6 after settings are completed to restore the normal operating status of the unit If no button operations are performed on the master unit for five minutes the function setting automatically quits an...

Page 93: ...3 Function Code Display Mode Refrigerant Recovery Code Display Mode Current Status Display Mode A2 On 01 On Module low pressure Ps On LED3 shows the low pressure value of a module If the value is nega...

Page 94: ...nter the to be confirmed status of system vacuuming mode settings Step 2 Press SW7 to confirm entering the to be confirmed status of system vacuuming mode settings All modules are displayed as follows...

Page 95: ...LED1 LED2 LED3 Function Code Display Mode Highest Output Capacity Display Mode Current Status Display Mode n4 On 10 Blinking OC Blinking Step 2 Select a corresponding capacity limitation value by pres...

Page 96: ...or query For example select the A6 unit cooling heating function The display is as follows LED1 LED2 LED3 Function Code Display Mode ODU Function Mode Code Display Mode ODU Function Mode Code Display...

Page 97: ...LED2 displays the fault sequence number If there not historical faults LED2 and LED3 display 00 by default Up to five historical faults can be queried The faults that can be queried are as follows Cod...

Page 98: ...sequence from the earliest to the latest If there are less than five historical faults LED2 and LED3 display 00 indicating there are no more historical faults after the last fault is displayed In fau...

Page 99: ...or 5 C This parameter is invalid for the GMV5 series 12 Discharge temperature of compressor 6 C This parameter is invalid for the GMV5 series 13 Operation frequency of compressor 3 Hz This parameter i...

Page 100: ...menu selection The display is as follows LED1 LED2 LED3 Function Code Display Mode Module Address Display Mode Current Status Display Mode nb On 01 Blinking 00 Blinking nb On 02 Blinking 00 Blinking...

Page 101: ...ode Display Mode Parameter Code Display Mode Parameter Code Display Mode N1 On M0 On 12 On LED1 LED2 LED3 Parameter Code Display Mode Parameter Code Display Mode Parameter Code Display Mode 81 On 50 O...

Page 102: ...process of 10 Pre startup ODU valve status judging phase in step 11 the system will restore the completion phase of 9 Pre startup refrigerant judging phase in step 10 Continuing engineering commissio...

Page 103: ...river Digital multimeter Vacuum pump Electricity meter Electronic balance Timer System high and low pressure gauges for corresponding refrigerants Step ladder Wind speed transmitter The GMV5 VRF provi...

Page 104: ...s 2 3 Refrigerating System Check 1 Before commissioning make sure that the stop valve of each module reaches the maximum opening degree Check whether there is any refrigerator oil leakage around the v...

Page 105: ...tors Reasonable models and using methods should be selected for air switches and fuse links Remarks a1 Air switches work for overload and short circuit protection Air switches provide a less breaking...

Page 106: ...lt code U3 should disappear 2 5 Communication System Check 1 The following communication contents must be checked again before commissioning 2 Communication cables cannot be laid out in the same troug...

Page 107: ...of ODU firm Do shock absorption and water drainage comply with requirements 23 Are basic modules installed on the same horizontal line 24 Does the drainage pipe of IDU retain a 1 100 ratio of slope 2...

Page 108: ...nt temperature is lower than 20 C 3 Before starting commissioning make sure again that stop valves of all basic modules of the ODU have been completely opened 4 During commissioning the front panel of...

Page 109: ...commissioning software If no master IDU is set within one minute the system will automatically set one db On 02 On OC On The system successfully assigns addresses and automatically enters the next st...

Page 110: ...08 On U0 On The system gives a prompt if the compressor preheating period is less than eight hours db On 08 On OC On The system detects that the compressor preheating period is more than eight hours...

Page 111: ...faulty IDU The fault code U8 is displayed after three seconds For example if a U8 fault occurs on IDU 100 LED3 will circularly display 01 00 two seconds later and U8 two seconds later 16_Heating opera...

Page 112: ...ugh the main board of ODU the main board provides the following commissioning operation functions Step 1 Completely cover the front panel of ODU and open commissioning windows of all basic modules Ste...

Page 113: ...aster IDU is detected in step 02 the following faults are displayed in step 02 LED1 LED2 LED3 Function Code Display Mode Current Progress Display Mode Current Status Display Mode db On 02 On L7 Blinki...

Page 114: ...de Display Status Code Display Status 04_Indoor unit quantity confirmation db On 04 On OC On Note It is very important to correctly confirm the number of IDUs If the confirmed quantity is inconsistent...

Page 115: ...part Step 11 Unit commissioning step 07 is component detection for IDU If no exception is detected the main board is displayed as follows and the unit automatically enters the next commissioning step...

Page 116: ...is displayed as follows and the unit automatically enters the next commissioning step Commissioning Code Progress Code Status Code Meaning Progress LED1 LED2 LED3 Code Display Status Code Display Sta...

Page 117: ...nction prompt and automatically enters the next step Step 16 Unit commissioning step 12 is unit commissioning startup confirmation To avoid enabling the unit before all preparations are completed it i...

Page 118: ...U XXXX indicates the project number of the faulty IDU The fault code U8 is displayed after three seconds For example if a U8 fault occurs on IDU 100 LED3 will circularly display 01 00 two seconds late...

Page 119: ...18 If no exception occurs when the unit continuously operates for 40 minutes the system automatically confirms commissioning completion stops the entire unit and restores the standby status The main b...

Page 120: ...gn requirements for outdoor engineering For details about the setting method see the Outdoor Fan Static Pressure Setting DIP Switch SA6_ESP_S section Step 4 In power off status of ODU set one module o...

Page 121: ...next commissioning step Click to display relevant information detected on this phase which provides references for selection Click Close to close the information the number of commissioning units is d...

Page 122: ...des references for troubleshooting Click Close to close the information During commissioning click Stop to stop commissioning and then click Start to continue commissioning till commissioning ends Bac...

Page 123: ...ommissioning steps 11 13 and 14 are reserved Steps 13 14 15 and 16 are parallel steps one of the four steps will be selected according to the actual unit At last engineering commissioning is completed...

Page 124: ...methods during commissioning for later maintenance and query At last make a commissioning report and hand it over to users 3 5 Precautions to Let Users Know after Commissioning Let users know where th...

Page 125: ...wer than the system high pressure value When the system runs for heating the defrosting temperature is 2 C higher or lower than the system low pressure value 4 System high pressure C The normal system...

Page 126: ...35 C the temperature of the IPM module is lower than 80 C The highest temperature is not higher than 95 C 10 Driver bus line voltage of inverter compressor V The normal bus line voltage is 1 414 times...

Page 127: ...nsistent with the actual engineering quantity without communication failure 17 Drainage system The drainage effect of IDU is smooth and thorough and no adverse slope water storage exists in condensing...

Page 128: ...emperature sensor fault Indoor CO2 sensor fault Project commissioning GREE VRF Display Code 2 Content symbol 0 1 2 3 4 5 6 7 8 9 A H C L E F J P U b d n y Distinctive symbol Outdoo r E Outdoor unit fa...

Page 129: ...or compressor 1 Over current protection for compressor 2 Over current protection for compressor 3 Over current protection for compressor 4 Over current protection for compressor 5 Over current protect...

Page 130: ...ayed on the IDU Fan driver board power voltage protection displayed on the IDU Fan drive module reset protection Fan drive PFC protection Variable frequency fan over current protection Fan drive IPM m...

Page 131: ...tatu s A The unit is not commissioned After sales refrigerant recycling Defrosting Oil recycling Cooling and heating setting Silent mode setting Vacuum mode Heating Cooling Refrigerant injecting Venti...

Page 132: ...between indoor and ODUs and IDU s communicator 1 The communication cable is not connected 2 The communicator is disconnected 3 The communication cable is poorly connected 4 The communicator controlle...

Page 133: ...DU is faulty 1 Switch the SA8 dial switch of an ODU to 00 2 Replace the control board or switch an ODU s SA8 dial switch to 00 CF Multiple controlling units 1 SA8 dial switches of multiple ODUs are sw...

Page 134: ...ately in every system or reset projects numbers in multiple systems Choose Setting Parameter Settings as shown in Figure 2 Figure 2 If project commissioning is finished and the IDU where the conflict...

Page 135: ...button Figure 3 Choose one IDU in the conflicting IDU box shown in Figure 3 and click Set in the setting box Choose a value in the pop up box shown in Figure 4 and click Set Figure 4 If the conflict...

Page 136: ...ystems Selection where you can choose the system to be reset Settings box where you can give the resetting instruction Figure 6 Choose one or multiple systems in the Systems Selection box and click Se...

Page 137: ...rolling unit and select n5 Short press SW7 to show the following information 3 When project number deviation is to be confirmed short press SW7 confirmation button to enter the project number deviatio...

Page 138: ...mal gel is not applied evenly on the IPM module 3 The IPM module is not screwed properly 1 Replace the compressor drive board 2 Apply thermal gel evenly on the IPM module 3 Screw the IPM module proper...

Page 139: ...y 2 Thermal gel is not applied evenly on the IPM module 3 The IPM module is not screwed properly 1 Replace the fan drive board 2 Apply thermal gel evenly on the IPM module 3 Screw the IPM module prope...

Page 140: ...ion valve by main board of indoor unit is abnormal Reset the IDU Listen to the sound and touch the tube to see if the electronic expansion valve is reset If it is set it is normal Otherwise it is faul...

Page 141: ...3 3 2 The pipeline is blocked by impurities Replace and solder the pipe 4 Lacking refrigerant The system s exhaust temperature rises and the low pressure is too low compared with the reference value...

Page 142: ...erence between the compressor s exhaust temperature or cover temperature and the high pressu 1 2 The controlling heating electronic expansion of the main board or the electronic expansion valve of the...

Page 143: ...Listen to the sound and touch the tube to see if the electronic expansion valve is reset If it is set it is normal Otherwise it is faulty 2 1 1 The control wire of the electronic expansio n valve is...

Page 144: ...SERVICE MANUAL 141 4 Too much refrigerant Other reasons Incorrect quantity of refrigerant is injected Check the necessary amount of refrigerant and discharge the unneeded refrigerant slowly via the st...

Page 145: ...of refrigerant to feel the temperature difference The difference is large 2 1 1 The block is caused by solder Cut off the pipe and check it Replace and solder the pipe 2 1 2 The pipeline is blocked by...

Page 146: ...e of the IDU s return air is over 30 C Measure the temperature of the unit s return air It is a normal phenome non caused by the protection function 4 The pressure sensor is faulty 4 1 The high pressu...

Page 147: ...pressure switch is faulty E1 protection is displayed on the unit when it is powered on 5 1 The high pressure switch is not connecte d to the main board 5 1 1 The pressure switch is not connect ed to...

Page 148: ...place the motor 6 2 The ODU s fan is faulty Manual check 6 2 1 The fan motor is not properly connect ed with the control board of the motor with the power cable Manual check Reconnec t it properly 6 2...

Page 149: ...is lower than 10 C Measure the outdoor ambient temperature It is a normal phenome non caused by the protection function 1 2 The indoor ambient temperat ure in the heating mode is lower than 5 C Measur...

Page 150: ...erence The difference is large or part of the pipe is frosting Replace and solder the pipe 2 4 The pipe that connect s the IDU is blocked Touch the pipe along the flowing direction of refrigerant to f...

Page 151: ...m the readings into correspondi ng temperature s Compare them to the high and low tempera tures tested by the system If the difference is larger than 5 C it is exceptional Reconne ct the high and low...

Page 152: ...l board of the motor with the communic ation feedback cable Manual check Reconne ct it properly 6 2 3 The control board of the fan s motor is damaged Manual check Replace the control board of the moto...

Page 153: ...rrespon ding to the high pressure 1 The stop valve of the ODU is not fully opened as required Manual check Fully open the stop valve 2 The system pipeline is blocked 2 1 The system air pipeline is blo...

Page 154: ...temperat ure 3 1 1 The system has worked for less than 1 hour It is a normal phenome non 3 1 2 An improp er system is selecte d Choose another system with larger power 3 2 The outdoor ambient tempera...

Page 155: ...e to each other affecting the heat exchang e performa nce of the unit Check the distance Re desig n the airflow distributio n 4 2 The air intake and return inlet of the IDU are too close to each other...

Page 156: ...GMV5 DC INVERTER VRF UNITS SERVICE MANUAL 153 low press ure air pipe...

Page 157: ...otection for compressor the IDU will show high exhaust temperature fault E4 while the IDU will show the specific faulty compressor For example when high exhaust temperature protection is enabled on co...

Page 158: ...GMV5 DC INVERTER VRF UNITS SERVICE MANUAL 155 2 Low exhaust temperature protection E2...

Page 159: ...GMV5 DC INVERTER VRF UNITS SERVICE MANUAL 156 3 System high pressure protection E1 4 System low pressure protection E3...

Page 160: ...GMV5 DC INVERTER VRF UNITS SERVICE MANUAL 157...

Page 161: ...GMV5 DC INVERTER VRF UNITS SERVICE MANUAL 158 5 System refrigerant lacking protection U4...

Page 162: ...GMV5 DC INVERTER VRF UNITS SERVICE MANUAL 159 6 System high pressure ratio protection J8...

Page 163: ...GMV5 DC INVERTER VRF UNITS SERVICE MANUAL 160 7 System low pressure ratio protection J9...

Page 164: ...GMV5 DC INVERTER VRF UNITS SERVICE MANUAL 161 8 Indoor unit anti freezing protection L5 9 Indoor unit water overflow protection L3 10 Temperature sensor fault...

Page 165: ...GMV5 DC INVERTER VRF UNITS SERVICE MANUAL 162 11 Pressure sensor fault...

Page 166: ...control board and compressor s drive board are powered Check if the control board and compressor s drive board are well connected to each other using the communication cable Check the dial switch of...

Page 167: ...ction faults ODU fault P6 P3 P7 P9 or PC Check if the fault is solved after turning on the system for three times The compressor s drive board is faulty and needs to be replaced Complete No No Yes Yes...

Page 168: ...record readings of the multi meter Use the red probe to touch the place marked by N and black probe to touch places marked by U V and W respectively and record readings of the multi meter 3 Analyzing...

Page 169: ...fault PH No Yes PF Check if the voltage of the whole system s input power cable reaches 280V Complete Elevate the voltage of the input power cable to 380V The compressor drive board is faulty and nee...

Page 170: ...cable is lower than 320V Complete Elevate the voltage of the input power cable to 380 V The compressor s drive board is faulty and needs to be replaced No No PJ Restart the system five minutes after s...

Page 171: ...s faulty and needs to be replaced Complete No C3 Check if the control board and fan s drive board are power on Check if the fan s drive board and compressor s drive board are well connected to each ot...

Page 172: ...to touch places marked by U V and W respectively and record readings of the multi meter Use the red probe to touch the place marked by N and black probe to touch places marked by U V and W respectivel...

Page 173: ...HH Check if the voltage of the whole system s input power cable exceeds 460V Complete Lower the voltage to 380 V The fan s drive board is faulty and needs to be replaced No Yes No H8 Check if the fau...

Page 174: ...laced Check if the terminal CN503 and CN504 on the fan s drive board are connected HL Check if the voltage of the input power cable is lower than 320V Complete Elevate the voltage to 380V Check if the...

Page 175: ...or a slave module LED1 is displayed as 02 03 or 04 as shown in the figure below LED1 display state Master module state LED1 display state Slave module state LED1 display state Slave module state LED1...

Page 176: ...replaced check original DIP setting and model Configure capacity DIP for the new AP1 and confirm its jumper cap fan overload detect terminal and overflow detect terminal They should be kept identical...

Page 177: ...button for 5 seconds to enter setting mode After setting the Master icon will be highlighted and the wired control buzzer will beep once Method 2 If the IDU is configured with lamp board or wired cont...

Page 178: ...e cases the created project number is identical to that of a unit within the network In this case you can use the one key IDU project number reset function However this function will cause the project...

Page 179: ...iple IDUs perform the steps below first Set the wired control parameter P14 to change the number of managed IDUs to the actual quantity the control manages For example if the wired control manages 3 I...

Page 180: ...ted Ports N and L are power interfaces of 100 240V 50 60Hz access control Ports VCC and GND are power interfaces of DC 5 24V access control Either of them can be selected at one time II Compressor Rep...

Page 181: ...ws current curves that change with evaporating temperature and condensing temperature while the compressor works at 30 Hz The figure below shows current curves that change with evaporating temperature...

Page 182: ...her the electric expansion valves of ODUs and the 4 way valves act and whether the oil return pipes and oil balance valves 1 and 2 are normal Touch the pipelines next to the return capillary tubes to...

Page 183: ...tches to act the valve you will feel obvious vibration and hear sound Touch the upper part of an electric expansion valve and you will feel its vibration while units are being powered on Make sure the...

Page 184: ...te obviously DO NOT touch the pipe or you may be scalded Oil balance solenoid valve This valve can be operated based on its state that is shown through the monitoring software and actual situation Whe...

Page 185: ...shown in the figure below put the black test probe to pad P and the red test probe to pad W RD make sure the moisture proof tape is removed In normal cases the multimeter should read 0 39 0 3 V If it...

Page 186: ...shown in the figure below put the black test probe to pad V YE and the red test probe to pad NV make sure the moisture proof tape is removed In normal cases the multimeter should read 0 39 0 3 V If it...

Page 187: ...ther wiring of the compressor is intact Step 2 Measure resistance between two wiring terminals U V W The resistance value range should be 0 5 2 0 Measure the resistance to earth of each wiring termina...

Page 188: ...that you will reconnect them in a correct manner after clearing The removed electric box must be covered and protected from wind and sun For GMV5 series only GMV 400WM B and GMV 450WM B units are con...

Page 189: ...t and lubricant DO NOT cover the container or it may explode After the lubricant is fully gasified record the volume of oil Step 4 Release refrigerant Refrigerant should be released from the high pres...

Page 190: ...ged or the oil of the fixed speed compresor is contaminated remove the inverter compressor The procedure is as follows Gas pipe Liquid pipe Balance pipe Low pressure check valve Oil checking valve Ref...

Page 191: ...GMV5 DC INVERTER VRF UNITS SERVICE MANUAL 188 1 Inlet of inverter compressor 2 Outlet of inverter compressor 3 Unscrew the compressor Inverter compresor Inverter compressor...

Page 192: ...or and gas liquid separator If oil changes to black check oils of other modular units The check procedure is similar to the preceding Note Before replacing the faulty compressors make sure to block th...

Page 193: ...nd outlet pipes of the oil separator 1 Weld the oil return pipe and oil balance oil pipe of the separator 3 Unscrew the oil separator 1 Weld the oil return pipe and oil balance oil pipe of the separat...

Page 194: ...and block the container for further factory inspection Note If the compressor needs replacement the gas liquid separator needs replacement as well regardless whether the separator contains impurities...

Page 195: ...nalysis Note Volumes of oils drawn out from the oil separator gas separator and oil balancer should be recorded After faulty compressors and parts are replaced you should fill new oils of equivalent a...

Page 196: ...rs to clean them 2 Remove the oil balance filter to see whether it is blocked If yes replace the filter 3 Remove the large filter to see whether it is blocked If yes replace the filter 1 Disconnect th...

Page 197: ...Preparations 1 Prepare new parts In the course of moving compressors do not lay them down or put them upside down The tilt angle should be less than 30 Make sure oil will not overflow from the oil ba...

Page 198: ...wer off before servicing Use this compressor on a grounded system only Warning AND NOT Prohibition DO NOT put flammable or explosive gas into the compressor Check the rubbers for oil separator gas sep...

Page 199: ...he welding task once Avoid repeated welding 4 Prepare tools including hexagon diagonal pliers combination pliers needle nose pliers multimeter pressure gauge Phillips screwdriver flathead screwdriver...

Page 200: ...ace it This is because a dirty oil balancer cannot be thoroughly cleaned Step 10 Install a new oil separator If the original oil separator contains impurities inside replace it 1 Put the gas liquid se...

Page 201: ...VRF UNITS SERVICE MANUAL 198 Step 11 Install a new compressor 1 Put the oil separator on a proper position 2 Weld the connecting pipes of the oil separator 3 Screw the oil separator 4 Weld the oil re...

Page 202: ...ke sure corresponding position and wiring are correct You are advised to replace them one after another Compressor frequency variable Name plate 2 Weld the outlet of the inverter compressor 1 Weld the...

Page 203: ...Suppose that nitrogen pressure reaches 2 5 MPa at 30 C 12 hours later temperature decreases to 25 C and pressure decreases to 2 43 MPa accordingly The system is regarded qualified despite the pressur...

Page 204: ...or air discharge For vacuum drying Lubricant driven pump 100 L min Applicable Applicable Lubricant free pump 50 L min Applicable Applicable Open all valves in order that the vacuum pump extracts air t...

Page 205: ...ntire refrigerant product against the saturation pressure temperature list Verify temperature parameter If the difference between the actual temperature and the parameter value is 3 C or more the refr...

Page 206: ...bug analyze data and adjust the unit system to ensure indexes of the entire system For details about each index please consult after sale persons and technicians III Cautions on Compressor Drive Repla...

Page 207: ...an drive Compressor drive output 18 VDC Reactor s wiring terminal is not distinguished by polarity Connect to mains terminal Connect to compressor U blue V yellow W red 540VDC 4 Loosen the screws on t...

Page 208: ...C INVERTER VRF UNITS SERVICE MANUAL 205 Apply some silicone tape on it evenly 6 Install a new compressor drive screw and wire it U blue V yellow W red Connect to a reactor and do not distinguish by po...

Page 209: ...heating belt top temperature sensor and discharge air temperature sensor Remove the sound proof sponge from the compressor Use a screwdriver to unscrew the power line Remove the power line Remove the...

Page 210: ...charge nitrogen into the pipes The pressure should be controlled within 0 5 0 1 kgf cm 2 relative pressure Avoid nearby materials from being burnt during welding 8 Connect the power line to the compre...

Page 211: ...screw the electric box 2 Remove the electric box Disconnect internal and external connecting lines of the electric box Protect the internal parts during the disassembly 3 Disassemble the four way valv...

Page 212: ...rnt and prevent water from flowing in the pipeline During welding charge nitrogen into the pipes The pressure should be controlled within 0 5 0 1 kgf cm2 relative pressure 6 Fix and wire the electric...

Page 213: ...he bottom of the electric box Use a screwdriver to unscrew the electric box 2 Remove the electric box Disconnect internal and external connecting lines of the electric box Protect the internal parts d...

Page 214: ...re Note Avoid nearby parts from being burnt during welding Install the coil on the electric expansion valve 6 Fix and wire the electric box Put the electric box back to original position and screw it...

Page 215: ...e electric box Disconnect internal and external connecting lines of the electric box Protect the internal parts during the disassembly 3 Disassemble the oil separator Use a screwdriver to unscrew the...

Page 216: ...box Put the electric box back to original position and screw it Connect all lines 7 Check and install the front panels Check various parts and connecting lines If no problem is found hook the front pa...

Page 217: ...he pipes Note Avoid nearby parts from being burnt during welding 4 Remove the gas liquid separator Unscrew and remove the gas liquid separator 5 Install a new gas liquid separator Put the gas liquid s...

Page 218: ...es If no problem is found hook the front panels and tighten the screws Heat exchanging board Precondition No refrigerant exists in the pipeline system and the power supply has been disconnected Step D...

Page 219: ...must be welded with copper plated steel Ensure welding quality 4 Remove the heat exchanging board Unscrew the support of the heat exchanging board and remove the support and board 5 Install a new heat...

Page 220: ...and wire the electric box Put the electric box back to original position and screw it Connect all lines 7 Check and install the front panels Check various parts and connecting lines If no problem is...

Page 221: ...GMV5 DC INVERTER VRF UNITS SERVICE MANUAL 218 V EXPLODED VIEWS AND PART LIST 1 Model GMV 224WM B X GMV 280WM B X Exploded View...

Page 222: ...1 19 Gas Tube Filter 072190511 1 072190511 1 20 Dry Filter 07218769 1 07218769 1 21 Cut off Valve 3 8 07334100011 1 07334100011 1 22 Electronic Expansion Valve Coil 4304413206 1 4304413206 1 23 Elect...

Page 223: ...44100013 1 55 Cut off Valve 1 1 8 07334100014 1 07334100014 1 56 Filter 07218603 1 07218603 1 57 Magnet Coil 4300040032 1 4300040032 1 58 4 way Valve 43000339 1 43000339 1 59 One way Valve 07335210 1...

Page 224: ...GMV5 DC INVERTER VRF UNITS SERVICE MANUAL 221 2 Model GMV 335WM B X Exploded View...

Page 225: ...4304413203 1 19 Electronic Expansion Valve 07331139 1 20 Discharge Charge Valve 07334100002 2 21 One way Valve 04324001 2 22 Electric expand valve fitting 4304413204 1 23 Electronic Expansion Valve 0...

Page 226: ...7 Pressure Protect Switch 4602000910 1 58 Left Side Plate 01314712P 1 59 4 Way Valve Sub Assy 04044100003 1 60 Filter 07218603 1 61 Magnet Coil 4300040030 1 62 4 way Valve 43000339 1 63 One way Valve...

Page 227: ...GMV5 DC INVERTER VRF UNITS SERVICE MANUAL 224 3 Model GMV 400WM B X GMV 450WM B X Exploded View...

Page 228: ...tronic Expansion Valve 07331139 1 07331139 1 20 Discharge Valve 07334100002 2 07334100002 2 21 Electronic Expansion Valve Fittings 4304413203 1 4304413203 1 22 Check Valve 04324001 2 04324001 2 23 Ele...

Page 229: ...04514100036 1 04514100036 1 63 Magnet Coil 4304000402 1 4304000402 1 64 4 Way Valve Sub Assy 04044100019 1 04044100019 1 65 Filter 07218603 1 07218603 1 66 Magnet Coil 4300040030 1 4300040030 1 67 4 w...

Page 230: ...GMV5 DC INVERTER VRF UNITS SERVICE MANUAL 227 4 Model GMV 504WM B X GMV 560WM B X GMV 615WM B X Exploded View...

Page 231: ...33700032 2 07333700032 2 16 Gas liquid Separator 07424138 1 07424138 1 07424138 1 17 Chassis Sub assy 01194100070 P 1 01194100070P 1 01194100070P 1 18 Left Side Plate 01205550002 2P 1 012055500022 P 1...

Page 232: ...ical Heater Compress or 7651873209 1 7651873209 1 7651873209 1 52 Sensor Sub assy 39008000102 G 1 39008000102G 1 39008000102G 1 53 Pressure Protect Switch 4602000912 1 4602000912 1 4602000912 1 54 Rig...

Page 233: ...5 46 27 7 21 3 89 13 11 8 47 28 3 20 4 04 14 12 1 48 29 0 19 4 19 15 12 5 49 29 6 18 4 35 16 12 8 50 30 3 17 4 51 17 13 2 52 31 7 16 4 67 18 13 6 54 33 2 15 4 84 19 14 0 56 34 7 14 5 02 20 14 4 58 36...

Page 234: ...5 26 14 36 1 686 117 0 625 3 168 27 13 74 1 722 118 0 608 3 171 28 13 16 1 758 119 0 592 3 175 29 12 6 1 793 120 0 577 3 178 30 12 07 1 829 121 0 561 3 181 31 11 57 1 863 122 0 547 3 184 32 11 09 1 89...

Page 235: ...95 2 934 15 145 0 4 81 2 415 2 944 14 137 2 0 42 82 2 339 2 954 13 129 9 0 44 83 2 265 2 964 12 123 0 462 84 2 194 2 974 11 116 5 0 484 85 2 125 2 983 10 110 3 0 507 86 2 059 2 992 9 104 6 0 53 87 1 9...

Page 236: ...648 2 477 148 0 3808 3 238 53 6 403 2 5 149 0 3719 3 24 54 6 167 2 522 150 0 3633 3 241 55 5 942 2 544 151 0 3549 3 242 56 5 726 2 565 152 0 3468 3 244 57 5 519 2 586 153 0 3389 3 245 58 5 32 2 607 1...

Page 237: ...41 108 2 6404 2 611 18 67 338 0 427 109 2 5682 2 626 19 64 333 0 444 110 2 4983 2 64 20 61 478 0 462 111 2 4308 2 655 21 58 766 0 48 112 2 3654 2 669 22 56 189 0 499 113 2 3021 2 682 23 53 738 0 518 1...

Page 238: ...319 0 255 30 1897 1 937 25 332 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 21 20 403 0 344 36 2208 2 268 19 418 0 36 37...

Page 239: ...2 177 50 109 0 515 6 969 2 235 49 115 0 527 7 999 2 295 48 121 0 539 8 1030 2 357 47 127 0 551 9 1061 2 419 46 133 0 563 10 1096 2 489 45 140 0 577 11 1125 2 547 44 146 0 589 12 1159 2 615 43 154 0 60...

Page 240: ...also a tool for engineering setup and after sale debugging With Gree Debugger users can debug air conditioners on site understand units running state and conveniently analyze units health conditions n...

Page 241: ...ng a PC with the converter over the USB interface COM interface board 30118015 This board serves to connect units with control PCs when they are too distant to communicate Connecting line 1 m 40010232...

Page 242: ...GMV5 DC INVERTER VRF UNITS SERVICE MANUAL 239...

Page 243: ...t the converter is working in RS485 mode If the CAN to USB LED is steady on it indicates that the converter is working in CAN mode If the HBS to USB LED is steady on it indicates that the converter is...

Page 244: ...function the board serves to connect units with control PCs when they are too distant to communicate 3 4 Lines 3 4 1 USB Data Line A USB data line is connecting to a USB interface of a PC at one end...

Page 245: ...ission and the PC has been configured with a driver Put the disk into the driver If it is running automatically the following page will appear If not double click the Launcher exe file to display the...

Page 246: ...Converter Driver Install Gree USB data converter configuration software End This is a simplified software setup procedure For details read the following section 4 3 Installation Procedure 4 3 1 Instal...

Page 247: ...GMV5 DC INVERTER VRF UNITS SERVICE MANUAL 244 Check I have read and accept the license terms and click Install Installing...

Page 248: ...GMV5 DC INVERTER VRF UNITS SERVICE MANUAL 245 Click Finish...

Page 249: ...ERTER VRF UNITS SERVICE MANUAL 246 4 3 2 Installing Access Driver Before the Gree Debugger can run install the Access Driver required for versions earlier than Office 2007 Click Install Access Driver...

Page 250: ...GMV5 DC INVERTER VRF UNITS SERVICE MANUAL 247 Check I accept the terms in the License Agreement and click Next...

Page 251: ...GMV5 DC INVERTER VRF UNITS SERVICE MANUAL 248 Click Browse to select a path If you want to use the default path click Install Installing...

Page 252: ...ERTER VRF UNITS SERVICE MANUAL 249 Click OK 4 3 3 Installing Gree Debugger Before installing Gree Debugger make sure your PC has been installed with Net Framework 4 0 or later version Click Install Gr...

Page 253: ...GMV5 DC INVERTER VRF UNITS SERVICE MANUAL 250 Click Next Click Browse to select a path If you want to use the default path click Next...

Page 254: ...GMV5 DC INVERTER VRF UNITS SERVICE MANUAL 251 Click Next Installing...

Page 255: ...GMV5 DC INVERTER VRF UNITS SERVICE MANUAL 252 Click Close...

Page 256: ...to understand running of the entire systems and units 5 1 3 Real Time Control and Running Mode Adjustment Air conditioner operation time and requirement on the air conditioners vary with geographical...

Page 257: ...MANUAL 254 Select a unit If units you want to monitor have been connected and normally communicating and COM interface and protocol are set click Connect to access the parameter page If not follow the...

Page 258: ...GMV5 DC INVERTER VRF UNITS SERVICE MANUAL 255 Set COM interface Gree Debugger will automatically detect available serial ports of your PC You can select one of them...

Page 259: ...se a communication mode of your air conditioning units At present CAN is the proper communication mode Click Connect If units can be in normal communication with the PC Gree Debugger will switch over...

Page 260: ...u can click and to hide the unit information area and system information area Within the IDU information area and fault information area you can drag Within the outdoor module information area you can...

Page 261: ...it to be monitored 5 2 2 Engineering Debug Click Debug in the menu bar to switch over to the engineering debug page Units will automatically execute debug steps one after another based on the order of...

Page 262: ...ts automatically debug indicates a currently debugging step and indicates a successfully debugged step Steps that have the OK button available enable users to continue further debug Click and correspo...

Page 263: ...be shown See the following figures The icon indicates that corresponding step failed and a fault exists In this case users need to rectify the fault first After the issue is addressed Gree Debugger a...

Page 264: ...to continue debug When debug goes on to step 10 ODU Valves Check Before Startup Back and Skip are available If this step fails you can go back to step 9 Click OK of step 9 to continue step 10 If the f...

Page 265: ...ineering debug is finished 5 2 3 Controlling Units In the menu bar choose Setting Parameter Settings Shortcut menus Gateway Settings IDU Settings System Settings Project Number Conflict and System His...

Page 266: ...k desired IDUs from the IDU Selection area You can also click Select All or Select Inverted to check the IDUs Parameter information of selected IDUs will be shown in the Settings area Click Set and cl...

Page 267: ...GMV5 DC INVERTER VRF UNITS SERVICE MANUAL 264 5 2 4 Other Functions Capturing screen To capture a screen click Capture Screen in the menu bar If you want to open the screen click Open...

Page 268: ...GMV5 DC INVERTER VRF UNITS SERVICE MANUAL 265 Searching for database files To search for database files click Open Data Folder to open the default folder that is saving database files...

Page 269: ...displayed dialog box you can set High Low Pressure Value and Refrigerant Type If you set High Low Pressure Value to Temperature the pressure parameter is changed to temperature if you set High Low Pre...

Page 270: ...67 Saving multi system data Choose Others Database Save Settings For a multi system network you need to specify a system to save unit data Since data volume of a multi system network is large you can...

Page 271: ...ng Path and Rebuild Database must be configured before Gree Debugger runs Choose Others Change Database Saving Path In the displayed dialog box click Browse to select a path Choose Others Rebuild Data...

Page 272: ...GMV5 DC INVERTER VRF UNITS SERVICE MANUAL 269...

Page 273: ...nstalled Troubleshooting Install Net Framework 4 0 first and then install Gree Debugger Part 2 Remote Control Gree CAC Remote Monitoring System is an Internet or LAN based remote automation and centra...

Page 274: ...l air conditioners Fault alarm Setting running parameters of units 2 Terms and Definitions Server A PC for installing Gree CAC Remote Monitoring System and providing remote monitoring and data collect...

Page 275: ...next system To the next system To next Modbus gateway L1 L1 L2 L2 L2 L2 L1 R1 L3 L3 L3 L3 System 16 System 1 System 2 CAN2 bus CAN2 bus CAN2 bus Modbus bus Modbus bus CAN2 bus CAN2 bus Modbus bus Syst...

Page 276: ...128 If exceeded another Modbus gateway will be required as shown in CAN2 Network 2 1 4 Hardware 1 4 1 List of Parts Name Type BOM Supply Range Remark Modbus gateway suite Remote monitoring part ME30 2...

Page 277: ...GMV5 DC INVERTER VRF UNITS SERVICE MANUAL 274 Power input Gateway Running Alarm Power Address Function...

Page 278: ...wer Address Function 2 Power Supply Interfaces CAN Interface It is connected to the air conditioning system through twisted pairs so as to get through the communication between the Modbus gateway and...

Page 279: ...be 100VAC 240VAC 50 60Hz Do not touch the input port of the power supply when the gateway is energized Modbus gateway is recommended to install near air conditioning units so as to shorten their comm...

Page 280: ...plicable Standard Remarks Category five twisted pairs 24AWG 2 0 6 mm TIA EIA 568 A An optoelectronic repeater is required when the communication distance is more than 800 m 2 Communication lines betwe...

Page 281: ...tdoor unit 1 ODU system n Master outdoor unit 1 ODU system 1 Master outdoor unit 1 Master ODU of Master ODU of Master ODU of ODU system 1 ODU system 2 ODU system n ODU system 2 Master outdoor unit 1 O...

Page 282: ...Modbus gateways in series see 2 Connection between the Modbus gateway and the air conditioning system Step1 confirm the master units to be connected to each Modbus gateway Serial connection should be...

Page 283: ...cting lever 0 1 2 Address DIP Switch Modbus Gateway Address Setting The address DIP switch is intended to set the address of the Modbus gateway Precaution Before using this gateway configure an addres...

Page 284: ...d resistance With the matched resistance Without the matched resistance Without the matched resistance CAN2 bus Master ODU of Master ODU of Master ODU of ODU system 1 ODU system 2 ODU system n ODU sys...

Page 285: ...d to define the range of the IDUs under the control of the gateway The number of IDUs ranges from 1 to 255 When the first IDU number is set to 1 it indicates the range of the IDUs under the control of...

Page 286: ...ted DI 1 will input the binary signal 1 which indicates that the Modbus gateway will stop the whole air conditioning system at once When K1 is opened DI 1 will input the binary signal 0 which indicate...

Page 287: ...GMV5 DC INVERTER VRF UNITS SERVICE MANUAL 284 1 4 2 5 Communication Debug...

Page 288: ...3 1 Function Introduction The optoelectronic isolated converter is designed to convert the RS232 signal from the computer serial port into RS485 signal It is only used when the user s BMS system uses...

Page 289: ...st be installed indoors Avoid knock or exposure to sunshine or rain It is suggested to place it in the monitoring room together with the computer The manufacturer s original equipment must be used Nev...

Page 290: ...287 A maximum of 30 Modbus gateways are supported between two repeaters The total length of communication lines used between two repeaters cannot exceed 800 m 1 4 4 2 Appearance Note Actual product p...

Page 291: ...icator Normally bright when it is energizing See related instructions 4 Communication indicator Data indicator blinks during normal communication See related instructions 1 4 4 4 Dimensions POWER Data...

Page 292: ...onfiguration requirements Table 5 Software configuration of Gree CAC Remote Monitoring System Part Name Min Configuration Recommended Configuration Internet Information Service IIS manager 6 0 or late...

Page 293: ...ER VRF UNITS SERVICE MANUAL 290 This is a simplified software installation procedure In practice the software has realized one click setup You only need to select a proper OS for installation See the...

Page 294: ...izard is enabled Follow the steps to install the software 2 If the PC is not installed with Windows Installer 4 5 click Accept in the displayed window and the Setup Wizard will install Windows Install...

Page 295: ...ver 2008 R2 Express click Accept in the displayed window and the Setup Wizard will install Microsoft SQL Server 2008 R2 Express for you 5 If the PC is not installed with Windows Image Component click...

Page 296: ...GMV5 DC INVERTER VRF UNITS SERVICE MANUAL 293 6 Click Next in the displayed window and select I Agree on the License Agreement page Click Next to install Windows Image Component...

Page 297: ...GMV5 DC INVERTER VRF UNITS SERVICE MANUAL 294...

Page 298: ...mponent is installed the Wizard begins installing Windows Installer 4 5 A system restart window will be displayed after Windows Installer 4 5 is installed Restart the system so as to continue 8 After...

Page 299: ...kes a long time Note that if your PC has been installed with this software the Wizard will not prompt you to install 10 After Microsoft SQL Server 2008 R2 Express is installed the Setup Wizard will au...

Page 300: ...GMV5 DC INVERTER VRF UNITS SERVICE MANUAL 297 11 In the displayed window select I Agree and click Next to continue...

Page 301: ...E MANUAL 298 12 Select a path for installing the software The default path is recommended Continue to click Next 13 When installation succeeds BAS Manager service is displayed This service is an accom...

Page 302: ...complete installation Note Send your software SN to a dealer of Gree If you do not activate the software it can be used for a trial period of 30 days Use the activation code the dealer sends to you to...

Page 303: ...rrect activation code 5 4 Uninstallation Software uninstallation procedure is as follows 1 Stop the BAS Manager service 2 Choose Start Settings Control Panel and double click Add or Remove Programs 3...

Page 304: ...GMV5 DC INVERTER VRF UNITS SERVICE MANUAL 301...

Page 305: ...d software debug procedure please refer to the Help of the software 6 1 Debug Flowchart This is a simplified software debug procedure For details read the following section 6 2 Debug Procedure 1 Query...

Page 306: ...e Local Connect Properties c In the Local Connect Properties window select Internet TCP IP and click Properties The Internet TCP IP Properties window appears The IP Address I is the IP address of the...

Page 307: ...GMV5 DC INVERTER VRF UNITS SERVICE MANUAL 304...

Page 308: ...ame LAN and can communicate with each other b Enter the IP address in the address bar and click To to switch over to the system login page as shown in the following figure Note If your browser is set...

Page 309: ...er to the maintenance chapter If Ping succeeds they can normally communicate otherwise the software cannot be used c Enter the default username and password of the Administrator and click Login If the...

Page 310: ...ebug Before debugging air conditioners set the air conditioning systems first including Step 1 Set the master ODU for the single system network and the centralized control address for the multi system...

Page 311: ...other IDUs If the quantity is large automatic offset is recommended which is easy to realize However numbers of normal ODUs may be altered Automatic setting is applicable to initial installation and d...

Page 312: ...odbus gateway address Refer to section Hardware Debug to set Modbus gateway address Make sure the address DIP switch on the same Modbus bus is unique and ranges from 1 to 255 Step 2 Set the number of...

Page 313: ...ble BAS Manager Method 1 Right click the BAS Manager icon in the status bar at the lower right corner on the desktop and choose Open In the displayed BAS Manager window click Start to enable BAS Manag...

Page 314: ...GMV5 DC INVERTER VRF UNITS SERVICE MANUAL 311 Step 3 Log in to Gree CAC Remote Monitoring System Step 4 Enter the Visual config page and click Automatic detect...

Page 315: ...GMV5 DC INVERTER VRF UNITS SERVICE MANUAL 312 After detection detected devices will be listed in the Net tree...

Page 316: ...ioners of each building storey or apartment Step 6 Create a visualization project Enter the Visual config page and create a project in the Project tree Step 7 Define devices Based on the air condition...

Page 317: ...GMV5 DC INVERTER VRF UNITS SERVICE MANUAL 314 Step 8 Add the devices selected from the Net tree into the Project tree Click the rooms in the Project tree one after another...

Page 318: ...MV5 DC INVERTER VRF UNITS SERVICE MANUAL 315 Double click a room Click Net tree and select devices based on the air conditioner list Drag the devices into the room View the devices in the Project tree...

Page 319: ...GMV5 DC INVERTER VRF UNITS SERVICE MANUAL 316 Step 9 Save the project Step 10 Enter the Visual navigation page and you can monitor the air conditioners of the created...

Page 320: ...GMV5 DC INVERTER VRF UNITS SERVICE MANUAL 317 project Note The devices also can be monitored in the Net tree and Intelligent steward...

Page 321: ...hat connected to PCs Connect the PCs to the serial port configured by the software or change the serial port setting in the software Units are not powered on Power on the units ODUs or IDUs are not eq...

Page 322: ...puter and choose Manage from the shortcut menu and choose Services and Applications Services to check whether the SQL Server SQLEXPRESS is running if not right click it and choose Start If SQL Server...

Page 323: ...way running For details refer to section 7 1 Hardware Faults 2 If there is not hardware fault or the fault is addressed restart BAS Service There are two methods to restart BAS Service Method a Right...

Page 324: ...grams Gree CAC Remote Monitoring System ServiceManager In the displayed BAS Manager window click Start to enable BAS Manager 3 During remote monitoring services are stopped abnormally The BAS Manager...

Page 325: ...t hardware fault or the fault is addressed restart BAS Service There are two methods to restart BAS Service Method a Right click the BAS Manager icon in the status bar at the lower right corner on the...

Page 326: ...plorer cannot display the webpage is prompted as shown in the following figure Possible causes The server is not started Network line of the server or the client is not properly connected Server or cl...

Page 327: ...connect is enabled 4 If the problem persists ping the server or the client The ping procedure is as follows Choose Start Run The Run window is displayed Enter cmd in the text box and click OK In the...

Page 328: ...cess the server website you need to open the IIS manager Choose Start All Programs Manage Tools IIS Manager as shown in the following figure In the displayed IIS Manager window open the navigation tre...

Page 329: ...rs Fault alarm Setting running parameters of units 2 Terms and Definitions Server A PC for installing Gree CAC Remote Monitoring System and providing remote monitoring and data collection services Cli...

Page 330: ...d L2 is the twisted pair line Note the total length of L2 can not exceed 500 m and a matched resistance shall be added at both ends 4 Hardware 4 1 BACnet Product Overview BACnet gateway kits MG30 24 D...

Page 331: ...Subnet Mask 255 255 255 0 Default Router 192 168 1 1 4 1 2 Parts and Assembly See figures below for the real parts and final assembly of the BACnet gateway kit MG30 24 D2 B No Parts Name 1 PCD3 M6340...

Page 332: ...VICE MANUAL 329 4 1 3 Parts Assembly The figure below shows assembly position of various parts of the BACnet gateway kits MG30 24 D2 B The figure below shows final assembly of various parts of the BAC...

Page 333: ...4 2 1 Interfaces Interfaces as shown in the figure below are available 4 2 2 Power Interfaces Power supply is input through the wiring terminals Power Supply 24VDC 20 25 incl 5 ripples as per EN IEC...

Page 334: ...erminal PIN8 24VDC 24V DC PIN9 GND E0 0 E1 1 E A2 2 E A3 3 Wiring terminal 0 fire alarm input Two wire signal line 0 is the fire alarm input and other I Os can be defined by the user 1 2 3 input E A4...

Page 335: ...F LED ON LED flash CPU type PCD3 M6430 battery module LED Batt Run Halt Error Color Red Green Red Yellow Run Run cond Run with error Run cond with error Stop Stop with error Halt Stop with error Batt...

Page 336: ...ond with error Same as conditional Run but with an error message Stop The Stop state occurs in the following cases Programming unit in PGU mode connected when the CPU was switched on PGU stopped by pr...

Page 337: ...n Activity Works as with a hard disk drive flashes when data being processed Note Do not remove the card when the Busy LED is on 4 3 4 I O Module Indicating LED As shown in the figure above E0 E1 E A2...

Page 338: ...ap into place 4 Push the housing down onto the top hat rail to ensure that it is secure Removal To removal the housing push upwards and pull out 1 Insert the module into the appropriate module locatio...

Page 339: ...UAL 336 4 BACnet Gateway Topology As shown in the topological diagram below the whole system consists of the internal network of the air conditioning units and BACnet IP network Through BACnet gateway...

Page 340: ...ompose this ODU system Unit 1 Master outdoor unit 1 Slave outdoor unit 2 Slave outdoor unit 3 Slave outdoor unit 4 Indoor unit Unit 2 System 2 Three outdoor units compose this ODU system Master outdoo...

Page 341: ...ODU number for a gateway Suppose the minimal IDU number is M then all IDUs will be numbered among M to M 47 Suppose the minimal IDU number is N then all IDUs will be numbered among N to N 7 During fi...

Page 342: ...GMV5 DC INVERTER VRF UNITS SERVICE MANUAL 339 4 4 3 Connection Between the BACnet Gateway and the PC There are two methods to connect BACnet gateways and PCs 1 Cross Connection...

Page 343: ...wist pair with the polarity the same as that of the master ODU address DIP setting is 0 5 Software 5 1 List of Parts Part Quantity Supply Range Purpose Disk 1 SC Used for installing Gree CAC Remote Mo...

Page 344: ...figuration requirements Part Name Min Configuration Recommended Configuration Internet Information Service IIS manager 6 0 or later versions 6 0 MSMQ Memory 1 GB or larger 2 GB or larger Hardware 10 G...

Page 345: ...the software has realized one click setup You only need to select a proper OS for installation See the following page For details read the following section 5 3 1 Installing Gree CAC Remote Monitorin...

Page 346: ...ows Installer 4 5 click Accept in the displayed window and the Setup Wizard will install Windows Installer 4 5 for you 3 If the PC is not installed with Microsoft NET Framework 4 click Accept in the d...

Page 347: ...ver 2008 R2 Express click Accept in the displayed window and the Setup Wizard will install Microsoft SQL Server 2008 R2 Express for you 5 If the PC is not installed with Windows Image Component click...

Page 348: ...GMV5 DC INVERTER VRF UNITS SERVICE MANUAL 345 6 Click Next in the displayed window and select I Agree on the License Agreement page Click Next to install Windows Image Component...

Page 349: ...GMV5 DC INVERTER VRF UNITS SERVICE MANUAL 346...

Page 350: ...mponent is installed the Wizard begins installing Windows Installer 4 5 A system restart window will be displayed after Windows Installer 4 5 is installed Restart the system so as to continue 8 After...

Page 351: ...kes a long time Note that if your PC has been installed with this software the Wizard will not prompt you to install 10 After Microsoft SQL Server 2008 R2 Express is installed the Setup Wizard will au...

Page 352: ...GMV5 DC INVERTER VRF UNITS SERVICE MANUAL 349 11 In the displayed window select I Agree and click Next to continue...

Page 353: ...E MANUAL 350 12 Select a path for installing the software The default path is recommended Continue to click Next 13 When installation succeeds BAS Manager service is displayed This service is an accom...

Page 354: ...complete installation Note Send your software SN to a dealer of Gree If you do not activate the software it can be used for a trial period of 30 days Use the activation code the dealer sends to you to...

Page 355: ...GMV5 DC INVERTER VRF UNITS SERVICE MANUAL 352 Choose Start All Programs Gree CAC Remote Monitoring System Activate Software and enter the correct activation code...

Page 356: ...lation procedure is as follows 1 Stop the BAS Manager service 2 Choose Start Settings Control Panel and double click Add or Remove Programs 3 In the Add or Remove Programs window select Gree CAC Web b...

Page 357: ...e refer to the Help of the software 6 1 Debug Flowchart This is a simplified software debug procedure For details read the following section 6 2 Debug Procedure 1 Querying IP address of the server the...

Page 358: ...the Local Connect Properties window select Internet TCP IP and click Properties The Internet TCP IP Properties window appears The IP Address I is the IP address of the server PC The following figure s...

Page 359: ...ser a Open a browser for example IE on a PC and enter the IP address of the server Note Make sure the PC and the server PC are in the same LAN and can communicate with each other b Enter the IP addres...

Page 360: ...that the client PC or the server PC does not connect to the LAN causing both to fail to communicate Troubleshooting procedure is as follows 1 Check network lines of the server and client and make sure...

Page 361: ...ds and the software can be used Default username of the Administrator admin password basstart Note This debug method is for the Administrator only Other roles are not allowed to use this method If the...

Page 362: ...er to the maintenance chapter If Ping succeeds they can normally communicate otherwise the software cannot be used c Enter the default username and password of the Administrator and click Login If the...

Page 363: ...rver access Software visualization requires Microsoft Silverlight to support Therefore a Microsoft Silverlight installation wizard will be prompted Click Click now to install to install the plugin Aft...

Page 364: ...BACnet gateways and ODUs whose control DIP switches are 0 are reverse G1 G2 reverse Connect the gateways and ODUs in a correct way make sure their polarities are correspondent that is G1 to G1 and G2...

Page 365: ...ddress settings Units are not powered on Power on the units ODUs or IDUs are not equipped with chips or chips are inversely installed Install the chips in a correct direction and power on the units Un...

Page 366: ...ether the database for the Remote Monitoring System in the server is enabled Right click My computer and choose Manage from the shortcut menu and choose Services and Applications Services to check whe...

Page 367: ...way running For details refer to section 7 1 Hardware Faults 2 If there is not hardware fault or the fault is addressed restart BAS Service There are two methods to restart BAS Service Method a Right...

Page 368: ...grams Gree CAC Remote Monitoring System ServiceManager In the displayed BAS Manager window click Start to enable BAS Manager 3 During remote monitoring services are stopped abnormally The BAS Manager...

Page 369: ...t hardware fault or the fault is addressed restart BAS Service There are two methods to restart BAS Service Method a Right click the BAS Manager icon in the status bar at the lower right corner on the...

Page 370: ...hrough IE on the client Internet Explorer cannot display the webpage is prompted as shown in the following figure Possible causes The server is not started Network line of the server or the client is...

Page 371: ...adapter of the server and client for looseness or damage and check whether Local connect is enabled 4 If the problem persists ping the server or the client The ping procedure is as follows Choose Star...

Page 372: ...k is available but the client still cannot access the server website you need to open the IIS manager Choose Start All Programs Manage Tools IIS Manager as shown in the following figure In the display...

Page 373: ...r and BACnet gateway fails Communication between the BACnet gateway and units fails Solution 1 Check whether BAS Service is disabled If yes enable it There are two methods to enable BAS Service Method...

Page 374: ...nitoring System ServiceManager In the displayed BAS Manager window click Start to enable BAS Manager 2 Ping the BACnet gateway on the server If the server is successfully pinged through communication...

Page 375: ...GMV5 DC INVERTER VRF UNITS SERVICE MANUAL 372 JF00302751...

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