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D.C. Inverter VRF Water Heater

 

Installation and Operating Instructions

The Instructions is applicable to the following outdoor units and the supplied 

VRF indoor units, as well as the hydro-box and water tank: 

GMV-Pds100W/Na-K
GMV-Pds120W/Na-K
GMV-Pds140W/Na-K

GMV-Pds160W/Na-K

The outdoor units described above are supplied with H-Series R410A VRF 

indoor unit, hydro-box and water tank. 

Summary of Contents for GMV-Pds100W/Na-K

Page 1: ...applicable to the following outdoor units and the supplied VRF indoor units as well as the hydro box and water tank GMV Pds100W Na K GMV Pds120W Na K GMV Pds140W Na K GMV Pds160W Na K The outdoor units described above are supplied with H Series R410A VRF indoor unit hydro box and water tank ...

Page 2: ... use of this machine Instructions 1 Safety Considerations 2 Inst all ati on G ui de lin e Selection of Installing Position and Precautions 3 Installation of Outdoor Unit 5 Connection between Outdoor Unit and Hydro box 9 Connection between Indoor and Outdoor Units 10 Notes on Dial Switch 19 Refrigerant Charging and Test Run 20 Working Principle of Air Conditioner Unit 24 Components and their Names ...

Page 3: ...idual heats in the heat exchanger This is also to prepare for the next use When the run mode selected for indoor unit is in conflict with the run mode of outdoor unit the fault indicator on indoor unit will flash or the wired controller will display the operation conflict after 5 seconds The indoor unit will be stopped In this case you may switch the indoor unit to a run mode that does not conflic...

Page 4: ... any object into exhaust port or intake grill Regularly check if the installation support is damaged after a long period of use Never make any modification To repair or move the air conditioner please contact the vendor or professional installation technicians High voltage exists in outdoor unit so that the electric box can only be removed or installed by professional technicians CAUTIONS Before i...

Page 5: ...alling Position for Outdoor Unit The outdoor unit must be installed on firm and solid supporting plane The outdoor unit shall be as close as possible to the indoor unit so as to minimize the length of refrigerating pipe and number of bends Avoid placing the outdoor unit beneath the window or between the buildings as this may cause the normal working noise to invade into the room The intake and out...

Page 6: ...r belongs to Category I Electric Appliance Therefore be sure to take reliable earthing measures The yellow green wire inside the air conditioner is used for earthing Do not use it for other purposes or cut it Do not fix with tapping screw Otherwise it will cause the risk of electric shock The earthing resistance shall comply with the Chinese standard GB17790 Reliable earthing terminal must be prov...

Page 7: ...ture Avoid direct sunshine as it might be The installing position must be able to drain the rainwater and the water generated from defrosting The installing position must ensure that the machine will not be buried in the snow or affected by the wastes or oil mist To meet the noise and vibration requirements the outdoor unit shall be installed by using rubber damping pad or spring damper The instal...

Page 8: ... Space Dimensions Required for Installation of GMV Pds100W Na K GMV Pds120W Na K GMV Pds140W Na K and GMV Pds160W Na K Fig 2 Skecth map of installation Skecth map of installation A only water tank Fig 3 Installation of Outdoor Unit ...

Page 9: ...9 Skecth map of installation B with floor heater and water tank Fig 4 Skecth map of installation C with solar and water tank Fig 5 Installation of Outdoor Unit ...

Page 10: ...heater and the solar User can make it work according to skecth map of installation B C D and E Notice 1 After floor heating request has be sent to Hydro box if user open indoor unit for cooling or heating system will ignore the request of indoor unit and at the same time error code E7 will show on the wired controller of indoor unit 2 In Skecth map of installation B and D if user open the floor he...

Page 11: ...on against short circuit and abnormal overload Usually this air switch is closed A circuit breaker to cut off the power supply of the entire system must be installed Main board N Outdoor Unit Terminal board Main board L L N PE CN20 N Terminal board L L N PE 1 2 Communication wire CN9 Hydro unit Fig 8 External Wiring Diagram between Outdoor Unit and Hydro box ...

Page 12: ...e power cable through the rubber ring 2 Connect the power cable to the terminal marked L N PE 3 Fix the cable with cable clamp Connection of distribution wires communication 1 Open the outdoor electric box 2 Insert the distribution wires communication from the base through the rubber ring in electric box 3 Insert the distribution wires communication into the 3 pin holder CN10 on the outdoor circui...

Page 13: ...pe 140 140 Type 160 160 The sum of the capacity codes of indoor units and the Max number of indoor units may be selected according to the following form Sum of Min Indoor Unit Capacity Sum of Max Indoor Unit Capacity Max number of indoor units GMV Pds100W Na K 80 130 6 GMV Pds120W Na K 80 130 6 GMV Pds140W Na K 80 160 7 GMV Pds160W Na K 80 160 7 Selection of Y type manifold pipe Fig 10 The Y type ...

Page 14: ...stallation C with solar and water tank Outdoor unit model Hydro box Model Recommended Water Tank Model GMV Pds160W Na K RQD8GA K SXVD200LCJ2 A K SXVD300LCJ2 A K SXVD350LCJ2 A K SXVD400LCJ2 A K GMV Pds140W Na K GMV Pds120W Na K RQD5GA K GMV Pds100W Na K According to skecth map of installation D with solar floor heater and water tank Outdoor unit model Hydro box Model Recommended Water Tank Model GM...

Page 15: ...he farthest pipe between Hydro box and outdoor unit 10m L4 Length of the water pipe between Hydro box and water tank 5 m L5 Height difference between Hydro box and water tank 3m The equivalent length is designed as per one Y Type manifold pipe every 0 5m The 1st manifold Indoor Unit b Outdoor Unit The equivalent length of the farthest pipe from the 1st manifold L 2 0m c Equivalent length of farthe...

Page 16: ... be connected See Table 3 If exceeding the capacity of outdoor unit the capacity of outdoor unit will prevail Table 3 Size of Branching Pipe Unit mm Total Capacity of Indoor Units Gas pipe Liquid pipe C 50 φ12 7 φ6 35 50 C 70 φ15 9 φ9 52 100 C 180 φ19 05 φ9 52 3 The size of the pipe indoor pipe between Branching and indoor unit is same as the size of indoor pipe See Table 4 If the distance from th...

Page 17: ...17 ...

Page 18: ...ipe Use sponge to wrap the connection pipes and connectors that are not thermally insulated and tighten with plastic tapes Table 5 Torque required for tightening the nuts Pipe Diameter Wall Thickness mm Tightening Torque φ6 35 0 5 15 30 N m φ9 52 0 71 30 40 N m φ12 7 1 45 50 N m φ15 9 1 60 65 N m φ19 05 1 70 75 N m Notes 1 To avoid breaking the capillary or other pipes of the indoor unit and resul...

Page 19: ...f different connection pipes and remove the burrs See below Cut from the middle Fig 14 The Y type Branching pipe shall be so installed that it is vertical or horizontal A A Schematics A B B Schematics B Within À 3 0 ã Within À 3 0 ã Fig 15 The Branching pipe on gas pipe side shall be thermally insulated by using the materials able to withstand 120 or higher Do not use the included foam on Branchin...

Page 20: ...to bundle the pipes and cables together To prevent the condensate water from overflow out of the drainage pipe the drainage pipe shall be separated from the connection pipe and cables When wrapping the thermal insulation tape each circle shall suppress half of the previous circle The wrapped harness shall be fixed on the wall with pipe clamp CAUTION Never wrap the protective tape too tight as this...

Page 21: ...21 each cable tightly Close the electric box Magnetic rings shall be installed to the two ends of communication wires ...

Page 22: ...Fig 20 Fig 18 Connection Schematics for Indoor and Outdoor Communication Wires Remarks 1 The communication wire to be installed to the last indoor unit is distribution wire resistor compatible 2 If the indoor unit is wall mounted the input and output communication wires shall be those included on the indoor unit ...

Page 23: ...putting the dial switch toward silk printed ON side it represents ON If away from ON side it represents OFF As shown below 1 3 and 4 refers to OFF and 2 refers to ON Fig 19 On the main board of indoor unit two 4 bit DIP switches are used to assign the address and capacity of this indoor unit One 4 bit DIP switch lower capacity used for setting the capacity of indoor unit has been set in the factor...

Page 24: ... As shown below use vacuum pump to expel the air out of the indoor unit and connection pipe via the valve where the outdoor unit is connected to Hydro box LO H I Fig 21 6 When the compressor is not working charge specified quantity of R410A refrigerant into the machine via the charge port on the valve of outdoor liquid pipe Do not charge from gas pipe side Calculation of Added Refrigerant Volume 1...

Page 25: ...ipe kg m Φ22 2 Φ19 05 Φ15 9 Φ12 7 Φ9 52 Φ6 35 0 35 0 25 0 17 0 11 0 054 0 022 3 Another part of Mass of Additional Refrigerant Calculating Method Based on the Hydro box capacity Mass of Additional Refrigerant to Be Filled capacity of Hydro box Amount of Additional Refrigerant to Be Filled Per kilowatt of Hydro box Amount of Additional Refrigerant to Be Filled Per kilowatt of Hydro box kg Kw 0 054 ...

Page 26: ... Note It is not needed to add refrigerant if the total length of liquid pipe is within 50m Therefore the total length of 9 52 liquid pipe L total length of 12 7 liquid pipe 2 total length of 9 52 liquid pipe 1 total length of 6 35 liquid pipe 0 4 5m 2 45m 1 35m 0 4 69m and the minimum refrigerant volume to be added 69 50 X0 054 1 026kg Amount of Additional Refrigerant for Hydro box 8kw 0 054 kg Kw...

Page 27: ...ifications The machine might be failed or the parts might be burnt If the outlet or inlet of the indoor and outdoor unit is obstructed Possible insufficiency of refrigerating volume heating volume If the length of refrigerant pipe and charge volume of refrigerant are recorded Unable to control the refrigerant volume charged Test Run 1 Inspections before test run Check the appearance and pipeline s...

Page 28: ... Unit When connected to power the indoor and outdoor units start to work When working under cooling mode the low temperature and low pressure refrigerant gas from the heat exchanger of each indoor unit will collect and be suctioned by compressor where it will be compressed into high temperature high pressure gas After that the gas will enter into the outdoor heat exchanger where it will exchange h...

Page 29: ...us to achieve the purpose of both heating and hot water generation When working under hot water generation mode the 4 way valve B will be activated so that the refrigerant will give out heats in Hydro box but absorbing heats in outdoor heat exchanger for heat pump heating and hot water generation cycle thus to achieve the purpose of hot water generation When working under cooling and hot water gen...

Page 30: ...units The indoor unit may be ceiling mounted wall mounted air duct type or low pressure ultra thin air duct type The ceiling mounted and wall mounted indoor unit is controlled by remote controlled while the air duct type and low pressure ultra thin air duct type indoor unit may controlled by remote controller and wired controller When any of the indoor units or the Hydro box receives the run comma...

Page 31: ... of service season Check if the inlet and outlet of the indoor and outdoor units are blocked Check if the earthing wire is securely connected to ground Check if the batteries of the remote controller have been changed Check if the air filter is properly installed Check if the outdoor unit is firmly installed Please contact Gree s franchise repair center in case of any abnormality To ensure smooth ...

Page 32: ...place with new battery The remote controller is beyond the control range Control within 8m The conditioner is stopped immediately after it starts to run The inlet or outlet of the indoor or outdoor unit is blocked Remove the obstructions The cooling and heating is abnormal The inlet or outlet of the indoor or outdoor unit is blocked Remove the obstructions Temperature setting improper Adjust the s...

Page 33: ...ctronic expansion value when it is initialized Continuous SI SI sound when running under cooling mode The flowing sound of gas refrigerant inside the machine SI SI sound is heard when the air conditioner is started or stopped The sound that the gas refrigerant stops flowing Continuous slight SI SI sound during and after operation Working sound of drainage system GA ZI sound during and after operat...

Page 34: ...perature sensor error F4 Outdoor environment temperature sensor error F5 Frequency converter abnormality test error F6 Low voltage error F7 Outdoor defrost temperature sensor error F9 Exhaust temperature sensor error Fa Overload error Fb Variable frequency main board error Fc High voltage sensor error Fd Low voltage sensor error If any error appears on the wired controller please switch off the ma...

Page 35: ...t Bright Flash E5 Temperature drift protection PE Bright Flash Flash Bright Dark Bright E5 AC contactor protection P9 Bright Flash Flash Bright Dark Dark E5 High pressure protection E1 Bright Flash Dark Dark Dark Flash E1 Low pressure protection E3 Bright Flash Dark Dark Flash Dark E3 Exhaust protection E4 Bright Flash Dark Dark Flash Flash E4 Compressor overload protection H3 Bright Flash Dark Fl...

Page 36: ...re measured in factory 2 The parameters below are measured under rated working conditions In event of changes the data provided on nameplate shall prevail 3 The heating capacity of indoor unit is the heating capacity of heat pump exclusive of the power of auxiliary electric heater 4 The performance data below are measured according to Standard GB T18837 2002 Operating temperature range Cooling wor...

Page 37: ... 9 0 12 8 12 8 Size mm W D H 950 340 1250 Waterproof Level IP 4 Weather Type T1 Conne ction Pipe Liquid Pipe Air Conditioner mm φ9 52 φ9 52 φ9 52 φ9 52 Gas Pipe Air Conditioner mm φ19 05 φ19 05 φ19 05 φ19 05 Liquid Pipe Hydro box mm φ12 7 φ12 7 φ12 7 φ12 7 Gas Pipe Hydro box mm φ15 9 φ15 9 φ15 9 φ15 9 Connection mode Flared connection Net weight kg Based on nameplate ratings Note 1 The comprehensi...

Page 38: ...38 GREE ELECTRIC APPLIANCES INC OF ZHUHAI Add Jinji West Road Qianshan Zhuhai Guangdong Tel 0756 8617555 Customer Service Center Postcode 519070 GREE 66174124 V1 0 ...

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