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Unit Control

1.2 Control Flowchart

2 Main Control Logics

2.1 Cooling

2.1.1 Control to the Compressor

When the unit is controlled by the leaving water temperature, the operating frequency of the

compressor will be adjusted by the temperature difference in the way that it increases as the

temperature difference goes up and it decreases as the temperature difference goes down.

(Temperature difference= actual leaving water temperature-leaving water temperature set point).

2.1.2 Freeze Protection

When it is detected that the leaving water temperature of the plate heat exchanger is lower than the

freeze protection temperature, the compressor will drop its operating frequency until it reaches the

Содержание VERSATI III Series

Страница 1: ...VERSATI Ⅲ Air To Water Heat Pump ...

Страница 2: ...oop Quantity of Coils for Each Room 26 4 Quantity and Location of the Water Traps and Collectors 27 4 1 Design Requirements on Loop Quantity for Circulation Water 27 4 2 Requirements on Installation of the Water Trap Collector 29 5 Section of FCU 29 5 1 FCU Type Selection 29 5 2 Matching of Capacity 29 6 Selection of the Water Tank 30 6 1 Specifications of the Water Tank 30 6 2 Volume Selection of...

Страница 3: ...Installation of Hydraulic Unit 93 4 7 Installation of Water Tank 96 4 8 Request of water quality 99 4 9 Electric Wiring 100 4 10 Wiring of the Terminal Board 101 4 11 Wiring of the 2 Way Valve 103 4 12 Wiring of the 3 Way Valve 103 4 13 Wiring of Other Thermal 104 4 14 Wiring of Optional Electric Heater 106 4 15 Wiring of the Gate Controller 107 4 16 Wiring of the Remote Air Temperature Sensor 108...

Страница 4: ... 3 5 DC Fan Error EF 121 3 6 Temperature Sensor Error 121 3 7 Communication Malfunction E6 122 3 8 Capacity Switch Error Code C5 123 4 Diagnosis of Driving 124 4 1 Diagnosis Flowchart of Driving of Single phase Unit and Three phase Unit 124 5 Daily Maintenance and Repair 129 5 1 Daily Maintenance 129 5 2 Troubleshooting 130 5 3 Repair 131 ...

Страница 5: ...Engineering Data ENGINEERING DATA ...

Страница 6: ... 4 220 240V 50Hz R32 GRS CQ6 0P d NhG K ER01001360 5 8 6 GRS CQ8 0P d NhG K ER01001370 6 8 7 5 GRS CQ10P d NhG K ER01001410 8 8 10 GRS CQ12P d NhG K ER01001400 11 12 GRS CQ14P d NhG K ER01001390 12 5 14 GRS CQ16P d NhG K ER01001380 14 5 15 5 GRS CQ10P d NhG M ER01001420 8 8 10 380 415V 3N 50Hz GRS CQ12P d NhG K ER01001340 11 12 GRS CQ14P d NhG M ER01001430 12 5 14 GRS CQ16P d NhG M ER01001440 14 5...

Страница 7: ...ulti function Omit Single function 5 Nominal Heating Capacity 6 0 6 0kW 8 0 8 0kW 10 10kW 12 12kW 14 14kW 16 16kW 6 Compressor Style Pd DC Inverter Omit On Off 7 Refrigerant Nh R32 8 Design Serial Number B C D 9 Power Supply K 220 240V 50Hz M 380 415V 3N 50Hz H 380V 3N 60Hz 10 Indoor and Outdoor Unit Code I Indoor unit O Outdoor unit 1 2 2 Water Tank SX V D 200 L C J2 A K 1 2 3 4 5 6 7 8 9 NO Desc...

Страница 8: ... 55 with EN14825 Their COP can reach up to 5 0 This unit can realize space heating and sanitary hot water supply through terminal units like the fan coil unit floor coil and radiator Environment friendly refrigerant R32 is adopted for the unit with ODP of 0 and quite low GWP 675 Besides the adopted heat pump technologies will reduce consumption of coal and other energy source and lower greatly CO2...

Страница 9: ...uisite design and the wall mounted design will facilitate installation 2 liquid crystal display and touch screen operation 3 The 12V JACK interface can supply power to the control separately and lengthen the communication distance 4 The remote monitoring interface can monitor the unit through the Mobus interface and be integrated into the BMS system Smart Control Powerful Function 1 The running mo...

Страница 10: ...Engineering Data 1 4 Operating Principle 1 4 1 Schematic Diagram ...

Страница 11: ...ating Fan coil or Radiator kW 0 98 1 56 2 00 2 67 EER 2 for Fan coil W W 3 2 3 15 3 2 3 15 COP 2 Fan coil or Radiator W W 4 1 3 85 3 75 3 75 Refrigerant charge volume kg 0 87 2 2 Sanitary water Temperature 40 80 Sound Pressure Level cooling dB A 56 59 heating dB A 58 61 Dimension s W D H Outline mm 1150 390 756 1200 460 878 Packaged mm 1250 480 765 1245 545 885 Net weight Gross weight kg 96 109 15...

Страница 12: ... Model GRS CQ12Pd NhG M GRS CQ14Pd NhG M GRS CQ16Pd NhG M Product Code ER010001340 ER010001430 ER010001440 Capacity 1 Cooling floor cooling kW 11 12 5 14 5 Heating floor heating kW 12 14 15 5 Power Input 1 Cooling floor cooling kW 2 56 3 05 3 82 Heating floor heating kW 2 64 3 22 3 60 EER 1 floor cooling W W 4 2 4 2 4 COP 1 floor heating W W 4 5 4 55 4 35 Capacity 2 Cooling for Fan coil kW 9 5 12 ...

Страница 13: ...r Side Heat Source User Side Entering Water Temp C Leaving Water Temperature C Dry Bulb Temperature C Wet Bulb Temperature C FCU Cooling 12 7 35 FCU Heating 40 45 7 6 Floor Cooling 23 18 35 Floor Heating 30 35 7 6 Water Heating 53 7 6 1 5 3 Operation Range Item Water Side Heat Source User Side Leaving Water Temperature C Environment Dry Bulb Temperature C Cooling 7 25 10 48 Heating 25 60 25 35 Wat...

Страница 14: ...echnicians The specifications of the breaker and power cable listed in the table above are determined based on the maximum power maximum amps of the unit The specifications of the power cable listed in the table above are applied to the conduit guarded multi wire copper cable like YJV XLPE insulated power cable used at 40 C and resistible to 90 C see IEC 60364 5 52 If the working condition changes...

Страница 15: ...S CQ12Pd NhG K GRS CQ14Pd NhG K GRS CQ16Pd NhG K GRS CQ10Pd NhG M GRS CQ12Pd NhG M GRS CQ14Pd NhG M GRS CQ16Pd NhG M Performance Correction Outflow Heated Water Ambient Temperature 15 5 10 14 5 23 0 32 5 41 0 10 50 15 59 0 20 68 0 25 77 4 30 86 0 81 0 91 1 00 1 10 1 18 1 26 1 35 1 41 1 45 35 95 0 74 0 84 0 93 1 03 1 11 1 19 1 28 1 36 1 41 40 104 0 67 0 77 0 87 0 96 1 04 1 12 1 20 1 25 1 31 45 113 ...

Страница 16: ...ata 2 Outline Dimensions GRS CQ4 0Pd NhG K GRS CQ6 0Pd NhG K GRS CQ8 0Pd NhG K GRS CQ10Pd NhG K GRS CQ12Pd NhG K GRS CQ14Pd NhG K GRS CQ16Pd NhG K GRS CQ10Pd NhG M GRS CQ12Pd NhG M GRS CQ14Pd NhG M GRS CQ16Pd NhG M ...

Страница 17: ...2061829 1 2 Main Board 300027060242 1 3 Main Board 300027060253 1 4 Main Board 300002060375 1 5 Wiring Board 420001000002 1 6 Wiring Board 422000000009 2 7 Wiring Board 422000000010 1 8 Magnetic Ring 49010118 1 9 Magnet Coil 4300040045 1 10 Pressure Protect Switch 460200062 1 11 4 way Valve 4300008201 1 12 4 way Valve Assy 030152060076 1 13 Pressure Sensor High Pressure 43004400000901 1 14 Electri...

Страница 18: ...474100001 1 33 Current Divider 06615001 1 34 Electronic Expansion Valve 43042800008 1 35 Electric Expand Valve Fitting 4304413208 1 36 Axial Flow Fan 10338731 1 37 Front Grill 016004060002 1 38 Plate type Heat Exchanger 010007060010 1 39 Pressure Protect Switch 460200046 1 40 Pressure Protect Switch 460200048 1 41 Nozzle for Adding Freon 061200101 1 42 Brushless DC Motor 15704100013 1 43 Strainer ...

Страница 19: ... Name of part Part Code Quantity 1 Inductor 43128000014 1 2 Wiring board 42011103 1 3 Main board 300027060253 1 4 Filter board 30223000044 1 5 Wiring board 422000000009 2 6 Wiring board 422000000010 1 7 Wiring board 420001000004 1 8 Magnetic Ring 49010118 1 9 Electric Box Assy 100002061830 1 10 Pressure Protect Switch 460200046 1 11 Pressure Protect Switch 460200048 1 12 4 way Valve 43000338 1 13 ...

Страница 20: ... 30 Electrical Heater Compressor 7651521216 1 31 Electronic Expansion Valve 07133821 1 32 Electric Expand Valve Fitting 4300034412 1 33 Compressor and Fittings 009001060125 1 34 Axial Flow Fan 1043410000801 1 35 Heating Sheet 3211280000801 1 36 Brushless DC Motor 150104060013 1 37 Receiver Board 30261014 1 38 Temperature Sensor Support 26904100025 1 39 Temperature Sensor 3900028316G 1 40 Temperatu...

Страница 21: ...Name Standard Optional Field Supplied Owner s Manual for the Main Unit Owner s Manual for the Control 2 way Valve 3 way Valve Remote Temperature Sensor Wired Controller Communication Cable Water Tank Temperature Sensor Expansion Bolt Other thermal Optional Electric Heater ...

Страница 22: ...Design and Selection DESIGN SELECTION ...

Страница 23: ...tant to prevent dew condensation on the floor and radiator while cooling mode Type of thermostat and specification should be complied with installation of this manual The bypass valve must be installed to secure enough water flow rate and should be installed at the collector CASE 2 Connecting Sanitary Water Tank and under floor coil ...

Страница 24: ... Tank and Heat Emitters for Heating and Cooling Two way valve is very important to prevent dew condensation on the floor and radiator while cooling mode 2 Model Selection 2 1 Speculations of Power Supply Model Power Supply Model Power Supply V Ph Hz V Ph Hz GRS CQ4 0d NhG K 220 240V 50Hz GRS CQ10Pd NhG M 380 415V 3N 50Hz GRS CQ6 0Pd NhG K GRS CQ12Pd NhG M GRS CQ8 0Pd NhG K GRS CQ14Pd NhG M GRS CQ1...

Страница 25: ...tdoor Air Temp 35 C DB 24 C WB Outdoor Air Temp 7 C DB 6 C WB 2 3 Flowchart of Model Selection 2 4 Design Principle Cooling capacity of the unit cooling load of the air conditioning Heating capacity of the unit max heating load floor heating load water heating load Water Tank it should be selected based on the sanitary outfit or quantity of users Each unit can accommodate only one water tank 3 Sel...

Страница 26: ...floor depends on the tube material indoor design temperature supply water temperature and floor material Heat Dissipation of Commonly Used Coils Tube material PE X Indoor temperature 18 C Average water temperature 45 C Floor Material Thermal Resistance m2 K W Tube Spacing mm Heat Dissipation W m2 Tube Spacing mm Heat Dissipation W m2 Stone 0 02 200 147 0 150 159 8 Wood 0 075 200 111 2 150 117 8 Th...

Страница 27: ...and return tubes 4 1 Design Requirements on Loop Quantity for Circulation Water 1 One water trap collector is allowed for at most eight loops When quantity of loops exceeds 12 then two traps collectors should be used or it will cause uneven water distribution 2 The maximum flow rate of the water trap collector should be less than 0 8m s 3 The inlet and outlet of each loop should be connected to th...

Страница 28: ...Unit Control 5 Distance between the unit and the water trap collector should be within 15m If the distance exceeds 20m then it is required to calculate the hydraulic power ...

Страница 29: ... water trap collector 4 A filter is required upstream of the water trap collector 5 Section of FCU 5 1 FCU Type Selection The air water fan coil unit is optional for Versati units 5 2 Matching of Capacity Load of the FCU is better to be between 70 120 of the Versati unit Notes When load of the FCU is too small the unit would start stop frequently which is adverse for oil return When load of the FC...

Страница 30: ...00LCJ A M SXVD200LCJ2 A M 380 415V 3N 50Hz Dual coils with the electric heater are integrated used for floor heating system and the solar system 6 2 Volume Selection of the Water Tank 6 2 1 Selection Based on Water Consumption Per Capita Building Type Unit Daily Water Consumption L Water Temperature C House Per person Per day 40 80 60 Villa Per person Per day 70 110 60 6 2 2 Selection Based on San...

Страница 31: ...heat pump for heating in winter The master room covers 28m2 and the both room covers 12m2 7 2 Heat Load Calculation 7 2 1 Load Calculation of a Single Floor Room Area Heat Index W m2 Heat Load W Master Room 28 82 2296 Bathroom 12 72 900 Total Load 2296 900 3196W 7 2 2 Arrangement Design of the Underfloor System for A Single Floor Assumed conditions the floor is cement or ceramics the normal extern...

Страница 32: ...te Floor rate of each loop is within 0 25 0 5m s and the system can run stably B Check for the tube length When the average tube spacing is 30mm the required length of the heating pipe per square meter is 3 5m length of total coils is 3 5 40 140 and length for each loop is 140 2 70 It can be seen that the length for each loop is less than 120m and there it meets the design requirement C Check for ...

Страница 33: ...Unit Control UNIT CONTROL ...

Страница 34: ... compressor will stop and this error will be displayed at the controller When it fails at the cooling mode the compressor continues to run but this error will be displayed at the controller 3 The discharge temperature is detected by the sensor installed at the discharge pipe of the compressor which is mainly used for high discharge temperature protection When this sensor fails this error will be d...

Страница 35: ...exchanger is detected by the sensor installed at the outlet pipe of the plate heat exchanger which is mainly used for freeze protection at the water side When this sensor fails this error will be displayed at the controller and the unit will continues to operate 10 The optional water temperature is detected by the sensor installed at the outlet pipe of the optional E heater which is mainly used to...

Страница 36: ...ough the leaving water temperature if this sensor fails this error will be displayed but the main unit will resume normal operation 18 Only when the control function of the thermostat has been activated through the wired controller then the thermostat can switch run modes among cooling heating and shutdown otherwise the unit will run as per the run mode set by the wired controller 19 The gate cont...

Страница 37: ...rence in the way that it increases as the temperature difference goes up and it decreases as the temperature difference goes down Temperature difference actual leaving water temperature leaving water temperature set point 2 1 2 Freeze Protection When it is detected that the leaving water temperature of the plate heat exchanger is lower than the freeze protection temperature the compressor will dro...

Страница 38: ...t the water pump of the main unit and the 4 way valve will stop Over temperature protection will exit until the leaving water temperature of the auxiliary electric heater is lower than the over temperature withdrawing temperature After that the unit will resume normal operation 2 2 3 Control to the Optional Electric Heater When the Optional electric heater is deactivated through the wired controll...

Страница 39: ...e error shutdown for protection Shutdown sequence for normal shutdown the compressor lowers its frequency firstly to the minmum value while for shutdown with some error or for protection the compressor will stop directly Then the electrostatic expansion valve turns to the maximum opening angle the fan stops after the compressor has stopped the water pump of the main unit stops after the compressor...

Страница 40: ...ll occur and this error will be displayed at the controller all loads act as per the shutdown sequence This error is unrecoverable and can be cleared unless repowered on 2 High Discharge Temperature Protection When it is detected continuously that the discharge temperature is higher than the recoverable temperature the electrostatic expansion valve will turn to the maximum opening angle with large...

Страница 41: ...s the black rectangle when the display panel lights off This control panel is of high sensitivity and will response to unexpected click by the foreign matters on the display panel Therefore please keep it clean during operation 3 1 1 Menu Page 1 2 3 4 5 6 7 8 9 Above the menu the corresponding icon will be displayed based on the mode and status of the controller Press Button ...

Страница 42: ... 9 ON OFF It is used to turn on or off the unit OFF indicates the unit has turned off and ON indicates the unit has turned on When there is failure level error this button will turn to OFF once the unit is automatically turned off Icon Description Icon Description Heating Floor commissioning Cooling Floor commissioning error Hot water Card out Heating Hot water Defrosting Hot water Heating Holiday...

Страница 43: ...save so as to extend its service life 3 2 Operation Instructions 3 2 1 ON OFF Operation Instructions At the menu page by touching ON OFF the unit will be turned on off Notes It is defaulted to be OFF upon first power on ON OFF operation will be memorized by setting On Off Memory to be On at the GENERAL setting page That is in case of power failure the unit will resume running upon power recovery O...

Страница 44: ...ally and memorized upon next power on When there is submenu for the selected function option by pressing it the control will go directly the setting page of the submenu Function Setting No Item Range Default Remarks 1 Mode Cool Heat 1 When the water tank is unavailable then only Cool and Heat are available 2 For the heating only unit only Heat mode Hot water and Heat hot water are available Heat H...

Страница 45: ...e function setting page with the unit turned off by touching Mode it will go to the mode setting page where desired mode can be selected Then by touching OK this setting will be saved and the display panel will back to the function setting page Notes The default mode is Heat upon first power on Mode setting is allowed only when the unit is turned off otherwise a dialog box will pop up saying Pleas...

Страница 46: ...rity will be given to How water It will be memorized upon power failure 3 2 2 4 Heat hot water Operation Instructions At the function setting page with the unit turned off by touching Heat hot water the display panel will go to the corresponding setting page where desired option can be selected Then by pressing OK this setting will be saved and the display panel will back to the function setting p...

Страница 47: ... to find the weather dependent target temperature at that parameter viewing pages When this function has been activated it is still allowed to set the room temperature however this setting becomes valid only when Weather depend has been deactivated This function can be set to On no matter the unit is turned on or off but works only when the unit is turned on This function only works for air condit...

Страница 48: ... 2 8 Holiday Release Operation Instructions At the function setting page by touching Holiday release it will go to the corresponding setting page where it can be set to On or Off Notes When this function has been activated at the Weekly timer setting page some week day can be set to Holiday release In this case the setting of the Weekly timer at this day is invalid unless it has been manually set ...

Страница 49: ...peration Instructions At the function setting page access to the Clock timer setting page At the Clock timer setting page it can be set to On or Off The option Mode is used to time the desired mode WOT Heat and T water tank is used to set the corresponding water temperature Period is used to for time setting After that by touching the Save icon all settings will be saved Notes When Clock timer has...

Страница 50: ...Temp timer have been set at the same time then the latter takes the priority This setting is valid only when the unit is turned on Under the Cool or Cool Hot water mode the setting targets at WT Cool while under the Heat or Heat Hot water mode the setting targets at WT Heat When start time of period 2 is the same as that of period 1 then the former takes prevalence Temp timer is judged based on ti...

Страница 51: ... dosing so with the unit keeping On a window will pop up saying Please turn off the system first Floor debug Disinfection and Holiday mode cannot be activated at the same with this function When doing so a window will pop up saying Please disable the emergen mode Upon power failure Emergen mode will back to Off 3 2 2 13 Holiday Mode Operation Instructions At the function setting page select Holida...

Страница 52: ...et mode can be Heat Cool or Hot water however when the water tank is unavailable the preset mode can only be Heat or Cool Start timer should be earlier than End timer otherwise a dialog will pop up saying time setting wrong The setting for Preset mode will works until it has been canceled manually When Start timer is reached the unit will perform the preset mode In this case mode and temperature s...

Страница 53: ...setting page Notes This function is allowed only when the unit has turned off This function is valid for Temp timer Clock timer Preset mode Weekly timer and Weather depend 3 2 3 User Parameter Setting Operation Instructions 1 At the menu page by touching PARAMETER it will back to the parameter setting page as shown in the figure below Parameter Setting Page 2 At the menu setting page by touching t...

Страница 54: ... for heating T4 RT Heat 18 30 64 86 20 68 5 Water tank temperature T5 T water tank 40 80 104 176 50 122 6 Leaving water temperature difference for cooling Δt1 ΔT Cool 2 10 36 50 5 41 7 Leaving water temperature difference for cooling Δt2 ΔT Heat 2 10 36 50 10 50 8 Leaving water temperature difference for water heating Δt3 ΔT hot water 2 8 36 46 5 41 9 Room temperature control difference Δt4 ΔT Roo...

Страница 55: ...eat 2 Way valve On Off On It will decide the status of the 2 way valve under the Heat and Heat Hot water modes 5 Solar setting With Without Without 1 When the water tank is unavailable this setting will be reserved 2 When it is set to With the solar kitting will work on its own 3 When it is set to Without hot water by the solar kitting is unavailable 6 Water tank With Without Without 7 Thermostat ...

Страница 56: ...urrent Limit On Off Off It ranges from 0 to 50A and the default is 16A 17 Address 1 125 127 253 1 18 Refri recovery On Off Off Commissioning Parameters Setting No Full Name Display Name Range Default Remark 1 T HP max T HP max 40 55 104 131 50 122 2 Cool run time Cool run time 1 10min 3min 2 way valve Off 5min 2 way valve On 3 Heat run time Heat run time 1 10min 3min 2 way valve Off 5min 2 way val...

Страница 57: ...setting page by touching Solar setting the control panel will access to its submenu page 2 At the submenu page Solar setting can be set to With or Without 3 At the submenu page the Solar heater can be set to On or Off Solar Setting Notes This setting can be done no matter if the unit is turned on or off This setting is allowed only when the water tank is available When the water tank is unavailabl...

Страница 58: ...operation priority can be set by the control panel see Section 2 2 3 and 2 2 4 for more details The status of the thermostat can be changed only when the unit is turned off When it has been activated Weekly timer Clock timer Temp timer and Preset mode cannot be activated at the same time This setting will be memorized upon power failure 3 2 4 6 Other Thermal Operation Instructions 1 At the commiss...

Страница 59: ...ill always stop but the other thermal will start Under the Heat Hot water mode the other thermal only works for space heating and the electric heater of the water tank works for water heating In this case the 2 way valve is controlled base d on the setting of the control panel and the 3 way valve will always stop During heating operation the water pump of the heat pump unit will be stopped however...

Страница 60: ...the corresponding setting page where it can be set to On or Off Notes This setting will be memorized upon power failure This setting can be done only when the unit is turned off And when it is set to On the unit is not allowed to be turned on 3 2 4 10 Floor Debug Operation Instructions 1 At the commissioning parameter setting page by touching Floor debug the control panel will access to the corres...

Страница 61: ...ng Floor debug make sure Segment time of each segment is not zero If so a window will pop up saying Segment time wrong In this case Floor debug is allowed to be activated only when Segment time has changed 3 2 4 11 Manual Defrost Operation Instructions At the commissioning parameter setting page by touching Manual defrost the control panel will access to the corresponding setting page Notes This s...

Страница 62: ... can be set to On or Off 2 When it is set to On it is able to set the limited current value 3 After that this setting will be saved by touching the Save icon Notes This setting will be memorized upon power failure 3 2 4 15 Address Operation Instructions At the commissioning parameter setting page by touching Current limit it can be set the address Notes It is used to set the address of the control...

Страница 63: ... Cancel this setting will not be saved and quit No Full Name Display Name Range Default Remark 1 T HP max T HP max 40 55 104 131 50 122 2 Cool run time Cool run time 1 10min 3min 2 way valve Off When Cool run time has expired and temperature difference keeps at the standby zone the unit will stop 5min 2 way valve On 3 Heat run time Heat run time 1 10min 3min 2 way valve Off When Heat run time has ...

Страница 64: ...tatus of the water pump HP pump On Off 5 Status of the water tank heater Tank heater On Off 6 Status of the 3 way valve 1 3 way valve 1 NA 7 Status of the 3 way valve 2 3 way valve 2 On Off 8 Status of the compressor crankcase heater Crankc heater On Off 9 Status of the heater 1 for the main unit HP heater 1 On Off 10 Status of the heater 2 for the main unit HP heater 2 On Off 11 Status of the Cha...

Страница 65: ... 2 Suction temperature T suction 3 Discharge temperature T discharge 4 Defrosting temperature T defrost 5 Entering water temperature of the plate type heat exchanger T water in PE 6 Leaving water temperature of the plate type heat exchanger T water out PE 7 Leaving water temperature of the auxiliary heater T optional water Sen 8 Water tank temperature T tank ctrl 9 Floor debug target temperature T...

Страница 66: ...mizer inlet temperature sensor Econ in sens F2 6 Economizer outlet temperature sensor Econ out sens F6 7 Fan error Outdoor fan EF 8 High pressure protection High pressure E1 9 Low pressure protection Low pressure E3 10 High discharge protection Hi discharge E4 11 Capacity DIP switch error Capacity DIP c5 12 Communication error between the outdoor and indoor main boards ODU IDU Com E6 13 Communicat...

Страница 67: ...heater Auxi WTH EH 25 DC bus under voltage or voltage drop error DC under vol PL 26 DC bus over voltage DC over vol PH 27 AC current protection input side AC curr pro PA 28 IPM defective IPM defective H5 29 PFC defective PFC defective Hc 30 Start failure Start failure Lc 31 Phase loss Phase loss Ld 32 Communication error with the drive board Driver Com P6 33 Driver resetting Driver reset P0 34 Com...

Страница 68: ... Refrigerant liquid line temperature sensor error Temp RLL F1 3 2 5 4 Error Log Operation Instructions At the VIEW page by touching Error log the control panel will go to the error log page where it is able to view error records Notes The error log can accommodate up to 20 pieces of error Name and occurrence time are available for each error When error log exceeds 20 the latest will supersede the ...

Страница 69: ...2 On Off memory On Off On 3 Beeper Enter On 4 Back light Lighted Energy save Energy save Lighted the control panel will always light on Energy save When there is no touching operation in 5 minutes the control panel will be lighted off automatically but will light on again once there is any touching operation 5 Time Data Enter 6 Language Italian English Spanish English 7 WiFi On Off On 3 2 6 1 Cloc...

Страница 70: ... For detailed version please refer to the APP The Wi Fi function doesn t support Chinese Wi Fi network name The devices can be connected and controlled only in Wi Fi and 4G hotspot modes Router with WEP encryption is not supported Software operation interface is universal and its control functions may not be completely corresponding to the unit Software operation interface may vary along with APP ...

Страница 71: ...t Control 2 Open Ewpe Smart APP and click Sign up for registration 3 Except sign in in the prompt interface you can also enter the homepage and click the profile picture at the left upper corner to sign in ...

Страница 72: ...Unit Control ...

Страница 73: ... at the right upper corner of homepage to add device After selecting AC you can select different reset tools according to actual situation The APP interface will provide relevant operation instructions for different tools ...

Страница 74: ...d click Next to add home appliance automatically Wi Fi password shall be input Or after setting and energizing the air conditioner click Add appliance manually at the right upper corner to select the wireless network for controlling the device Then confirm family Wi Fi and arrange configuration ...

Страница 75: ...Unit Control After accomplishing device reset and filling correct information search device and arrange configuration ...

Страница 76: ...Unit Control 3 3 2 Setting of Main Functions 1 Set mode and temperature ...

Страница 77: ...Unit Control 2 Click Func at the left lower corner in device operation interface to enter advanced settings ...

Страница 78: ...Click the profile picture at the left upper corner of homepage and set each function in the following menu 3 3 3 1 Home management Click Home management to create or manage family You can also add family members according to the registered account ...

Страница 79: ...Unit Control 3 3 3 2 Help Click Help and view the operation instructions of the APP ...

Страница 80: ...Unit Control ...

Страница 81: ...Unit Control 3 3 3 3 Feedback Click Feedback to submit feedback ...

Страница 82: ...Installation UNIT INSTALLATION ...

Страница 83: ...stalled in accordance with the User s Manual and this Service Manual to ensure free drainage and the drain pipe should be insulated against condensation Once the drain pipe is installed improperly it would lead to water leak which then will damps the ceiling and furniture 4 Do not place the unit where there is oil fog like kitchen or the plastic would be aged broken off or the polluted evaporator ...

Страница 84: ... a place subject to severe dust salty fog and polluted air 8 Drainage pipe is easy to connect out 9 Do not install at a place where inflammable or explosive goods exist or inflammable or explosive gas might leak 10 Do not install at a place subject to corrosive gas severe dust salty fog smoke or heavy moisture 1 2 Matters Need Attention 1 The installation of unit must be in accordance with nationa...

Страница 85: ... It is used to switch waterways between underfloor system and the FCU 3 way Valve It is used to switch waterways of hot water inside the water tank and circulation water inside the main unit Bypass Valve It is used to balance the water pressure Water Trap It is used to distribute water Pipe and Pipe Joint It is used to connect the water pipes ...

Страница 86: ...Installation Cut off Valve It is used to cut off or get through the waterway 3 Service Tools Name Picture Spanner Screw Driver Pliers Tube Tongs ...

Страница 87: ...o way valve is very important to prevent dew condensation on the floor and radiator while cooling mode 2 Type of thermostat and specification should be complied with installation of this manual 3 The bypass valve must be installed to secure enough water flow rate and should be installed at the collector CASE 2 Connecting Sanitary Water Tank ...

Страница 88: ... this case three way valve should be installed and should be complied with installation of this manual 2 Sanitary water tank should be equipped with internal electric heater to secure enough heat energy in the very cold days ...

Страница 89: ...r is prohibited from installation by himself Please contact your dealer after buying this machine Professional installation workers will provide installation and test services according to the installation manual 3 Do not connect to power supply until all installation work is completed 4 The foot brackets of the compressor are used to reduce vibration during transport Before commissioning they mus...

Страница 90: ...etween two constructions hence to prevent normal operating noise from entering the room 3 Air flow at inlet and outlet shall not be blocked 4 Install at a well ventilated place so that the machine can absorb and discharge sufficient air 5 Do not install at a place where inflammable or explosive goods exist or a place subject to severe dust salty fog and polluted air ...

Страница 91: ...tline Dimension of Outdoor Unit GRS CQ4 0Pd NhG K GRS CQ6 0Pd NhG K GRS CQ8 0Pd NhG K GRS CQ10Pd NhG K GRS CQ12Pd NhG K GRS CQ14Pd NhG K GRS CQ16Pd NhG K GRS CQ10Pd NhG M GRS CQ12Pd NhG M GRS CQ14Pd NhG M GRS CQ16Pd NhG M ...

Страница 92: ... from moving 2 The unit should be installed on concrete base that is 10cm height 3 Requirements on installation space dimension of unit s bodies are shown in following drawing 4 The unit must be lifted by using designated lifting hole Take care to protect the unit during lift To avoid rusting do not knock the metal parts 4 5 2 Installation Water pipe connection of monobloc unit It is recommended t...

Страница 93: ...ng wire connection 4 6 Installation of Hydraulic Unit 4 6 1 Available External Static Pressure of Outlet Note a See the curve above for the maximum external static pressure The water pump is of variable frequency And during operation the water pump will adjust its output based on the actual load b When the water flow and delivery head fail to satisfy the actual need the user is allowed to add extr...

Страница 94: ...cation of indoor unit and the highest spot of water system Ensure that the volume of water system is lower than the maximum volume required in the above figure If it exceeds the range the expansion vessel does not meet the installing requirement Installation height 1 difference Water volume 66L 66L 12 m Adjustment is not necessary 1 Pre set pressure needs to be adjusted according to the above form...

Страница 95: ...sure of the expansion vessel from 1 5Bar to 0 3Bar 4 6 4 Selection of expansion vessel Formula V Volume of expansion vessel C Total water volume P1 Pre set pressure of expansion vessel P2 The highest pressure during running of the system that is the action pressure of safety valve e The expansion factor of water the difference between the expansion factor of the original water temperature and that...

Страница 96: ...ter supply and drainage of water tank Connection of inlet outlet waterway Connect the safety check valve attached with the unit with the arrow on it pointing at the water tank with the water inlet of water tank with PPR pipe according to the following figure sealing with unsintered tape The other end of the safety check valve should connect with tap water joint Connect the hot water pipe and water...

Страница 97: ...CJ2 A H SXVD300LCJ A H SXVD300LCJ2 A H Litre 200L 200L 300L 300L coil specification SUS304 Ф22X0 8 coil length M 10m 10m N 13m 13m 18 5m 18 5m D mm 540 620 D1 mm 438 528 H mm 1595 1620 A mm 272 280 B mm 105 C mm 112 E mm 432 464 F mm 431 399 I mm 80 95 J mm 247 5 202 5 K mm 739 718 Outline Diameter H mm Φ540 1595 Φ620 1620 Package W D H mm 1623 628 645 1648 708 725 ...

Страница 98: ...ness 3 Installation of circulating water inlet outlet pipes connect the water inlet of the unit with circulating outlet of water tank and water outlet of unit with circulating inlet of water tank 4 Installation of water inlet outlet pipes of the water tank safety check valve filter and cut off valve must be installed for the water inlet pipe according to the installation sketch of the unit At leas...

Страница 99: ...hat perform heat preservation of waterway system meanwhile pay more attention to valves and pipe joints Ensure enough thickness of insulated cotton If necessary install heating device for pipeline to prevent the pipeline from freezing e Hot water supplied from insulated water tank depends on pressure of water tap so there must be supply of tap water f During using the cut off valve of cooling wate...

Страница 100: ...on 4 9 Electric Wiring 1 Wiring diagram Wiring diagrams stuck to the unit always prevails GRS CQ4 0Pd NhG K GRS CQ6 0Pd NhG K GRS CQ8 0Pd NhG K GRS CQ10Pd NhG K GRS CQ12Pd NhG K GRS CQ14Pd NhG K GRS CQ16Pd NhG K ...

Страница 101: ...Installation GRS CQ10Pd NhG M GRS CQ12Pd NhG M GRS CQ14Pd NhG M GRS CQ16Pd NhG M 4 10 Wiring of the Terminal Board GRS CQ4 0Pd NhG K GRS CQ6 0Pd NhG K GRS CQ8 0Pd NhG K ...

Страница 102: ...Installation GRS CQ10Pd NhG K GRS CQ12Pd NhG K GRS CQ14Pd NhG K GRS CQ16Pd NhG K GRS CQ10Pd NhG M GRS CQ12Pd NhG M GRS CQ14Pd NhG M GRS CQ16Pd NhG M ...

Страница 103: ...l box Step 2 Find the terminal block and connect wires as below WARING 1 Normal Open type should be connected to wire OFF and wire N for valve closing in cooling mode 2 Normal Closed type should be connected to wire ON and wire N for valve closing in cooling mode ON Live signal for Normal Open type from PCB to 2 way valve OFF Live signal for Normal Closed type from PCB to 2 way valve N Neutral sig...

Страница 104: ...e 3 way valve OFF Live signal Heating system from the main board to the 3 way valve N Neutral signal from the main board to the 3 way valve 4 13 Wiring of Other Thermal Other thermal is allowed for the equipment and controlled in such a way that the mainboard will output 230V when outdoor temperature is lower than the set point for startup of the aother thermaluxiliary heat source Note Other therm...

Страница 105: ... N are connected to XT3 21 22 Optional water temperature sensor is conneceted to AP1 CN16 Step 3 Wired controller setting Other thermal should be selected with if necessarily from COMMISION FUNCTION then set switch on outdoor temperature and control logic 1 2 3 ...

Страница 106: ...ation Optional electric heater should be installed with monobloc unit in series Moreover an accessory called optional water temperature sensor 5 meter length shall be installed at the same time The optional electric heater could be 1 group or 2 group and only works fo space heating Step 2 Electric wiring work AC contactor shuould be installed to XT3 KM1 1 group electric heater or KM1 and KM2 2 gro...

Страница 107: ...ptional electric heater should be selected 1 2 group if necessary from COMMISION FUNCTION then set switch on outdoor temperature and control logic 1 2 4 15 Wiring of the Gate Controller If there is gate control function installation guide follow as ...

Страница 108: ...oximately 1 5m Remote air temperature sensor cannot be located where the area may be hidden when door is open Remote air temperature sensor cannot be located where external thermal influence may be applied Remote air temperature sensor should be installed where space heating is mainly applied After the remote air temperature sensor is installed it should be set to With through the wired controller...

Страница 109: ...ting temperature by the thermostat heating or cooling should be within the temperature range of the product For other constrains please refer to previous pages about the remote air temperature sensor Do not connect external electric loads Wire 220V AC should be used only for the electric thermostat Never connect external electric loads such as valves fan coil units etc If connected the mainboard o...

Страница 110: ...rm leakage detection of the unit 6 Is the water tank installed stably and are supports secure when the water tank is full 7 Are heat insulating measures for the water tank outlet inlet pipes and water replenishing pipe proper 8 Are the nilometer of water tank water temperature indicator controller manometer pressure relief valve and automatic discharge valve etc installed and operated properly 9 D...

Страница 111: ...r when starting up the unit 2 Check whether the oil temperature of the compressor is obviously higher than the outdoor ambient temperature Caution if the oil temperature of the compressor is obviously higher than the outdoor ambient temperature it means that the heating tape of compressor is damaged In that case the compressor will be damaged easily Therefore repair the heating tape before using t...

Страница 112: ...ccordance with the requirements a problem of power supply and electric control system b problem of load calculation c outdoor refrigerant system d noise problem e problem of indoor and piping system h other problems During operation it is needed to charge for the maintenance due to non quality problems such as incorrect installation and maintenance Acceptance Is the user trained as required Please...

Страница 113: ...Test Operation Troubleshooting Maintenance TEST OPERATION TROUBLESHOOTING MAINTENANCE ...

Страница 114: ... work properly 1 3 Check for the Communication System When the unit is powered on check for the communication system including communication between AP1 and AP2 between the wired controller and the main board When there is unusual communication this error will be displayed at the wired controller Then check out the cause according to the displayed error See the figure below for wiring of the commu...

Страница 115: ...ature sensor error Temp AHLW dH 21 Heat exchanger entering water temperature sensor error Temp HEEW 22 Water tank water temperature sensor 1 error Tank sens 1 FE 23 Water tank water temperature sensor 2 error Tank sens 2 24 Solar kit entering water temp sensor T SL water out 25 Solar kit leaving water temp sensor T SL water in FH 26 Solar kit temp sensor T Solar pannel FF 27 Remote room sensor 1 T...

Страница 116: ... P7 50 Charging circuit error Charge circuit Pu 51 Incorrect AC voltage input AC voltage PP 52 Drive board temperature sensor error Temp driver PF 53 AC contactor protection or input zero crossing error AC contactor P9 54 Temperature drift protection Temp drift PE 55 Current sensor connection protection current sensor not connected to phase U V Sensor con PD 56 Communication error to the outdoor u...

Страница 117: ...Test Operation Troubleshooting Maintenance 3 Flow Chart of Troubleshooting 3 1 Comp High pressure Protection E1 ...

Страница 118: ...Test Operation Troubleshooting Maintenance 3 2 Comp Low pressure Protection E3 ...

Страница 119: ...Test Operation Troubleshooting Maintenance 3 3 Comp Discharge Temp Protection E4 ...

Страница 120: ...Test Operation Troubleshooting Maintenance 3 4 Overload Protection of Compressor or Driver Error ...

Страница 121: ...Test Operation Troubleshooting Maintenance 3 5 DC Fan Error EF 3 6 Temperature Sensor Error ...

Страница 122: ...Test Operation Troubleshooting Maintenance 3 7 Communication Malfunction E6 ...

Страница 123: ...Test Operation Troubleshooting Maintenance 3 8 Capacity Switch Error Code C5 ...

Страница 124: ...f Driving 4 1 Diagnosis Flowchart of Driving of Single phase Unit and Three phase Unit Drive Module Reset Code P0 IPM or PFC Temperature Sensor Error Code P7 AC Current Protection Input Side Code PA Current Sense Circuit Error code PC PFC Protection Code HC ...

Страница 125: ...Test Operation Troubleshooting Maintenance IPM or PFC Over temperature Protection Code P8 ...

Страница 126: ...ce DC Busbar Over voltage Protection Code PH DC Busbar Under voltage Protection Code PL Note three phase input voltage is in the range from 320VAC to 475VAC Drive to main control Communication Error Code P6 Compressor Startup Failure code LC ...

Страница 127: ...Test Operation Troubleshooting Maintenance ...

Страница 128: ...Test Operation Troubleshooting Maintenance Compressor Current Protection Code P5 Compressor Motor Desynchronizing Code H7 IPM Protection Code H5 Phase Loss Code LD ...

Страница 129: ...e of unit caused by blockage of water system clean the filter in water system periodically and frequently check water replenishing device In order to ensure anti freezing protection never cut off the power if ambient temperature is below zero in winter In order to avoid frost crack of the unit water in the unit and pipeline system not used for a long period should be drained In addition open the e...

Страница 130: ...re and temp sensor is loose If that repair it Replace compressor Water pump does not run or runs abnormally Malfunction of power supply or terminal Malfunction of relay There is air in water pipe Find out the reasons and repair Replace relay Evacuate Compressor starts or stops frequently Poor or excess refrigerant Poor circulation of water system Low load Discharge or add part of refrigerant Water...

Страница 131: ...y Electrostatic Expansion Valve It is one of four main components and used to turn the hi pressure liquid refrigerant to low temperature low pressure vapor liquid mixture and adjust the refrigerant flow rate entering the evaporator Vapor Liquid Separator It is installed at the side of the suction line and used to prevent liquid refrigerant entering the compressor which if not avoided will lead to ...

Страница 132: ...the water side with a gasbag When pressure of the water side exceeds the nitrogen pressure the gasbag will expand and water enters into the tank so as to lower the pressure of the water system In contract when pressure of the water system goes down nitrogen in the tank will expel water out to the water system Flow Switch It is used to prevent the heat exchanger from being frozen owing to reduced w...

Страница 133: ...o run improperly or be damaged When refrigerant is required to be charged or discharged for installation maintenance and other reasons please follow steps below and nominal charged volume on the nameplate Discharging remove metal sheets of the outer casing connect a hose to the charging valve and then discharge refrigerant Note a Discharge is allowed unless the unit has been stopped Cut off the po...

Страница 134: ...rant and shall be calibrated to the refrigerant employed and the appropriate percentage of gas 25 maximum is confirmed Leak detection fluids are suitable for us with most refrigerant but the use of detergents containing chlorine shall be avoided as the chlorine may react with the refrigerant and corrode the copper pipe work If a leak is suspected all naked flames shall be removed extinguished If a...

Страница 135: ...Test Operation Troubleshooting Maintenance ...

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