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Dettson GREE E Series, Service Manual

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Dettson GREE E Series Service Manual Download Page 108

Air-to-water Heat Pump Split Versati

104

SPLIT TYPE

   

WARNING

• When charging is interrupted or finished, reinspect the unit but do not let the compressor run into operation.

   

NOTE

•

Do not use mixture of refrigerant vapor and air or oxygen for pressurizing for fear of explosion.

Summary of Contents for GREE E Series

Page 1: ...Service Manual E Series Normal temperature Versati Water Heater By...

Page 2: ...4 Design Principle 14 3 Selection of the Underfloor Coils 14 3 1 Calculation of Unit Load for Floor Heating 14 3 2 Selection of Tube Spacing of the Underfloor Coils 14 3 3 Selection of Loop Quantity...

Page 3: ...0 Protection Control 27 3 Control Panel 28 3 1 External View 28 3 2 Operation Instructions 30 UNIT INSTALLATION 59 1 Installation Guides 59 1 1 Installation Position of the Outdoor Unit 59 1 2 Install...

Page 4: ...ring 89 1 2 Check for the Water System 89 1 3 Check for the Communication System 90 1 4 Trial Run 91 2 Error Code List 91 3 Flow Chart of Troubleshooting 93 3 1 Compressor High pressure Protection E1...

Page 5: ...e S Static C Circulating 4 Function Q Multi 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...

Page 6: ...cilitate installation 2 The dot matrix display can show in both English and Chinese to show information in a more direct and convenient way 3 The six lattice display pattern will accommodate more info...

Page 7: ...mperature of the PHE 39 Solar Panel 6 Finned Exchanger 23 Automatic Exhaust Valve 40 Solar Panel Temperature Sensor 7 Environment Temperature Sensor 24 Electric Heater 41 Entering Water Temperature fo...

Page 8: ...Dimensions W D H Outline inch mm 35 7 16 16 1 4 53 900 412 1345 Packaged inch mm 39 5 16 18 1 16 59 5 8 998 458 1515 Net weight Gross weight lb kg 235 9 258 0 107 117 Indoor Unit Model GRS CQ16Pd NaE...

Page 9: ...cable diameters are determined based on assumption of distance from the distribution cabinet to the unit less than 75m If cables are laid out in a distance of 75m to 150m diameter of power cable must...

Page 10: ...490 1 450 1 400 1 350 1 302 18 64 4 1 539 1 502 1 451 1 402 1 350 Calculation of actual cooling capacity actual cooling capacity nominal cooling capacity x cooling capacity correction coefficient Heat...

Page 11: ...Outline Dimensions of the Outdoor Unit 1 GRS CQ16Pd NaE D O Unit mm inch 1326 52 3 16 340 13 3 8 378 14 7 8 412 16 1 4 900 35 7 16 572 22 1 2 1345 53 2 2 Outline Dimensions of the Indoor Unit 1 GRS C...

Page 12: ...009 1 4 Strainer 07412808 1 5 Electric Box Assy 100002064994 1 6 Plate type Heat Exchanger 00902800030 1 7 Expansion Vessel 07422800004 1 8 Steam current Switch sub Assy 45028062 1 9 Electric heater 3...

Page 13: ...sy 0115410000802F 1 4 Supporting Strip Condenser 01894100026 1 5 Capillary tube 81020167 4 6 Silencer 07245012 1 7 Strainer 0721212101 1 8 Pressure Protect Switch 46020006 1 9 Pressure Protect Switch...

Page 14: ...013P 1 33 Electrical Heater 765100047 1 34 Brushless DC Motor 15704100013 1 35 Motor Support 01805200243 1 36 Brushless DC Motor 1570410001301 1 37 Motor Support Sub Assy 01805200244 1 38 Terminal Boa...

Page 15: ...temp line Notes a The two way valve is very important to prevent dew condensation on the floor and radiator at the cooling mode b Type and specification of the thermostat should comply with installat...

Page 16: ...the underfloor coil is satisfied firstly When performance of the FCU is required then Floor config s hould be set to Without d Sanitary water tank should be equipped with internal electric heater to s...

Page 17: ...n 2 1 Speculations of Power Supply Power Supply 208 230VAC 60Hz GRS CQ16Pd NaE D 2 2 Operation Conditions Capacities and power inputs are based on the following conditions floor heating cooling a Cool...

Page 18: ...ally much larger should take the value between the intermediate and the maximum empirical values listed above d For those whose external walls or glass areas are large it is recommended to take the lo...

Page 19: ...Coil Selected Unit Length of underfloor coils is recommended to be within 100m and length of each branch should be kept the same to the most extent 4 Quantity and Location of the Water Manifolds The w...

Page 20: ...120m and tube spacing is 200mm then the floor heating area per single loop is 120 0 2 24m2 4 One water manifold cannot be used for different floors or it would cause uneven water distribution 5 Distan...

Page 21: ...election 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 a Whe...

Page 22: ...8 492 29 059 140 60 6 2 2 Selection Based on Sanitary Utensils Utensil Type Daily Water Consumption L US gal Water Temperature F C Bathtub Sprinkler system with shower 150 39 626 104 40 Bathtub Sprink...

Page 23: ...C 7 2 3 Arrangement Design of the Underfloor System for the Bath Room Heat load of the bath room is 900W heat dissipation per unit area is 75W m2 tube spacing of the heat pipe is 30mm and heat loss i...

Page 24: ...length for each loop is less than 120m and there it meets the design requirement C Check for the ground average temperature tp tn 9 82 qx 100 0 969 20 9 82 82 100 0 969 28 C Upper Limits and Average F...

Page 25: ...or shut down 2 The defrosting temperature is detected by the sensor installed at the defrosting pipes of the finned heat exchanger which is mainly used to control defrosting When this sensor fails at...

Page 26: ...en this sensor fails this error will be displayed at the controller all loads except the water pump of the solar system and the electric heater of the water tank will stop the 2 way electric and 3 way...

Page 27: ...red controller When this function has been activated and it is detected that the gate control card has been drawn out the unit will shut down and will tell any key operation of the controller is inval...

Page 28: ...ay Vavle and 2 Way Vavle Control Water Pump Control Water Flow Switch Control Electric Expansion Valve Control Outdoor fan Motor Control Compressor Control Cooling Operation Error Indication Error Ind...

Page 29: ...n the auxiliary electric heater is deactivated through the wired controller it will never come into operation When it is activated it will run based on the outdoor temperature 2 3 Water Heating Water...

Page 30: ...error or protection the 4 way valve will keep the power on status For shutdown owing to communication between the unit and the wired controller the 4 way valve will be powered off some timer later Fo...

Page 31: ...c freeze protection it will immediately detect the temperature of the high pressure sensor and the environment temperature If the temperature of the high pressure sensor is lower than the set point th...

Page 32: ...d It will light on when some fault occurs 4 Left key It is intended to move the cursor left 5 Up key It is intended to modify the setting state or value of the selected parameter 6 Menu key It is inte...

Page 33: ...page Standby Page Home Page No Item Functional Description 1 Mode It is intended to access to the actual running mode 2 Auxiliary Func It indicates the auxiliary function 3 Error state It indicates if...

Page 34: ...nd the standby page g When the Holiday mode or the Emergen mode is activated the ON OFF key operation will become ineffective h When the Forced Heating or Forced Cooling is activated it will be deacti...

Page 35: ...ion can be modified The function key no 3 or no 4 can be used for switch pages After the setting is finished by pressing the Menu key the control will back to the homepage or by pressing the Return ke...

Page 36: ...ion will be reserved and the LCD will display Reserved 6 Heat hot water Heat hot water Heat Hot water Heat When the water tank is unavailable this function will be reserved and the LCD will display Re...

Page 37: ...be adjustable when the solar kit is unavailable the upper limit of the water tank temperature should be set to 50 24 Solar kit antifreeze Solar antifre On Off Off 25 Water tank Water tank With Without...

Page 38: ...ed upon power failure 3 2 2 2 Control State Ctrl state It enables the user to configure the control state to leaving water temperature or room temperature Operation Instructions Go to the FUNCTION pag...

Page 39: ...e it through the Up Down key Cool or Hot water Notes a Hot water will take precedence only when Water tank is available other it will tell Reserved b This setting will be memorized upon power failure...

Page 40: ...zed upon power failure c The saved Start time and End time will be memorized upon power failure d It is configurable no matter if the unit is in operation or not 3 2 2 9 Weather dependent Mode For are...

Page 41: ...to the DISINFECTION setting page by pressing the OK key 2 At the DISINFECTION setting page select Set clock Set week or Set temp through the Left Right key and then modify the corresponding setting t...

Page 42: ...TION page and then locate where Weekly timer is by switching pages after that press OK key to go to the WEEKLY TIMER setting page 2 At the WEEKLY TIMER setting page by the Right Left key it is able to...

Page 43: ...5 C 95 F in Weekly timer by resetting Floor config to Without then WOT Heat will be the value of last seting In this case if Floor config is set to Without for last setting then WOT Heat will be chang...

Page 44: ...temp 77 131 F 25 55 C 113 F 45 C 1 F 1 C Low temp 77 113 F 25 45 C 95 F 35 C 1 F 1 C T room Cool Room temperature for cooling RT cool 64 86 F 18 30 C 75 F 24 C 1 F 1 C Heat Room temperature for heati...

Page 45: ...a day based on the user s actual demand Operation Instructions 1 At the homepage by pressing the Function key access to the FUNCTION page and then locate where Temp timer is after that press OK key t...

Page 46: ...time Start time 0 00 23 59 8 00 2 Solar kit stop time End time 0 00 23 59 18 00 2 At the Solar Kit setting page press the up or down key to locate Start time or End time and then adjust them through...

Page 47: ...function can be activated only when the unit is OFF When it is intended to activate this function with the unit being ON a dialog box will pop up warning Please turn off the system first b When this...

Page 48: ...ng Heat at the Emergency mode if there is water flow switch protection IDU assistant heater welding protection or leaving water temperature sensor error the Emergency mode will quit and will not be al...

Page 49: ...ng Please disable the Holiday Mode 3 2 2 19 Thermostat When the thermostat has been installed it can be used to control the run mode of the unit only Heat or Cool mode Operation Instructions 1 Locate...

Page 50: ...control program has made this decision based on the actual demand and the environment temperature Operation Instructions Go to the FUNCTION page and locate Tank heater then configure it through the Up...

Page 51: ...ly Under the cooling mode when it is set to With the leaving water temperature range is 18 25 64 77 F and the default is 18 64 F when it is set to Without the range is 7 25 45 77 F the default is 7 45...

Page 52: ...it through the Up Down key On or Off Notes a When it is activated the control will check the card is inserted or not If inserted the control will run normally if not the control will turn off the uni...

Page 53: ...ank temperature T water tank 40 80 C 104 176 F 50 C 122 F 6 Eheater on ambient temperature T Eheater 22 18 C 8 64 F 7 C 19 F 7 Extra heater on ambient temperature T Extraheater 22 18 C 8 64 F 15 C 5 F...

Page 54: ...6 F 27 C 81 F Set to default value when the Weather dependent Mode setting changes 19 Lower limit room temperature at the Weather dependent Mode for cooling Lower RT Cool 18 23 C 64 73 F 22 C 72 F Set...

Page 55: ...lt 15 5 F y1 Upper WT Heat 30 35 86 95 F default 35 95 F x2 Upper AT Heat 10 20 50 68 F default 15 59 F y2 Lower WT Heat 25 29 77 84 F default 29 84 F 2 In heating mode T room Ctrl state Room temp 15...

Page 56: ...he corresponding status of these devices is Off The installation and wiring diagrams always prevail Operation Instructions 1 At the VIEW page select Status and then press the OK key to go to the STATU...

Page 57: ...r kit freeze protection SL Antifree On Off Heat pump freeze protection HP Antifree On Off 3 2 4 2 Parameter View Para View At the parameter view pages the unit is enabled to view the units running par...

Page 58: ...View At the error view pages the user is enabled to see which error the unit suffers Operation Instructions 1 At the VIEW page select Error and then press the OK key to go to the ERROR page 2 At the...

Page 59: ...g pool water flow switch SW Water SW F1 20 Heat exchanger leaving water temperature sensor error Temp HELW F9 21 Auxiliary heater leaving water temperature sensor error Temp AHLW dH 22 Heat exchanger...

Page 60: ...r AC contactor P9 55 Temperature drift protection Temp drift PE 56 Current sensor connection protection current sensor not connected to phase U V Sensor con PD 57 Communication error to the outdoor un...

Page 61: ...et Temp unit Language On off memory Time Date Beeper and Back light as shown in the figure below No Full Name Displayed Name Range Default Remarks 1 Temperature unit Temp unit Celsius Fahrenheit Celsi...

Page 62: ...ave this setting If so press the OK key If not press the Cancel key to not save this setting The saving setting will update at the upper left corner of the control 3 2 6 Key Lock This function can be...

Page 63: ...il fog like kitchen or the plastic would be aged broken off or the polluted evaporator would lead to water leak and poor performance Do not place the unit where there is corrosive gas like sulfur diox...

Page 64: ...of unit must be in accordance with national and local safety codes 2 Installation quality will directly affect the normal use of air conditioner unit The user is prohibited from installation by himsel...

Page 65: ...ame Picture Usage Water manifold It is used to distribute water Pipe and Pipe Joint It is used to connect the water pipes Cut off Valve It is used to cut off or get through the waterway 3 Service Tool...

Page 66: ...his manual c The bypass valve must be installed to secure enough water flow rate and should be installed at the collector d When the FCU and the underfloor coil are used at the same time performance o...

Page 67: ...il are used at the same time performance of the underfloor coil is satisfied firstly When performance of the FCU is required then Floor config s hould be set to Without e For the solar heating system...

Page 68: ...ace where inflammable or explosive goods exist or inflammable or explosive gas might leak 6 Do not install at a place subject to corrosive gas severe dust salty fog smoke or heavy moisture 4 4 Install...

Page 69: ...enter of the unit from moving 2 Adopt M12 bolts components to tighten feet and under frame when installing 3 The outdoor unit should be installed on concrete base that is 10cm height 4 Requirements on...

Page 70: ...n bolt Wall NOTENote While lifting the indoor unit at least two persons should join together Weight of the indoor unit is more than 110 25lb 50kg The indoor unit must be installed vertically to the gr...

Page 71: ...11 16 324 12 3 4 981 38 5 8 900 35 7 16 Unit inch No Name Remarks 1 Leaving Water Pipe 1 Male BSP 2 Returning Water Pipe 1 Male BSP 3 Gas side Pipe 5 8 GRS CQ16Pd NaE D 4 Liquid side Pipe 3 8 GRS CQ16...

Page 72: ...ed b Total water volume of 280 liter is default if total water is changed because of installation condition the pre pressure should be adjusted to secure proper operation If the indoor unit is located...

Page 73: ...rom cracking and causing leakage 5 Connecting pipe shall be supported by a rack without transmitting its weight to other units Common wrench Torque wrench 4 6 2 Installation of Protective Layer on the...

Page 74: ...8 5 16 40 30 98 42 0 0 15 49 21 50g m Notes a No additional charge of the refrigerant is needed when the pipe length is less than 10m 32 81ft if the pipe length is longer than 10m 32 81ft additional c...

Page 75: ...f water tank with PPR pipe Tap water Safety check valve Note a For safe use of water water outlet inlet of water tank must connect with a certain length of PPR pipe L 70 R2 cm R is inside radius of th...

Page 76: ...cord of booster heater Other Thermal System Other Thermal sensor less than 5 meters Description Joint pipe thread Circulating water inlet outlet of main unit 1 Male BSP Notes a Distance between indoor...

Page 77: ...ge Switch is necessary for additional installation If circuit breakers with leakage protection are in use action response time must be less than 0 1 second leakage circuit must be 30mA b The above sel...

Page 78: ...sor 1 pin GND 2 pin signal input 3 pin 5V CN8 To the wired controller communication cable 1 pin earthed 2 pin B 3 pin A 4 pin 12power supply CN7 Communication between AP1 and AP2 communication cable 2...

Page 79: ...CN8 POOL_PUMP SW_IN SOLAR_PUMP SW_SO SW_PO DOOR_IN OVC_WT_HEAT OVC_HEAT2 OVC_HEAT1 T SEN4 T SEN3 T SEN2 T SEN1 T SEN6 T SEN5 T SEN7 T SEN8 T SEN9 T SEN10 T SEN11 T SEN13 T SEN12 CN31 CN33 CN8 TR IN BA...

Page 80: ...of protection detector DOOR_IN CN23 Door detection input CN18 CN18 Power supply interface of the thermostat 220 240V HEAT_M2 CN31 Power supply interface and control signal of the thermostat 24V COOL_M...

Page 81: ...Board AP4 GRS CQ16Pd NaE D O 7 1 2 5 6 3 4 10 11 No Silk Screen Introduction 1 COMM Communication interface 1 3 3V 2 TX 3 RX 4 GND 2 PWR Switch power interface 1 310VDC 3 GND 3 N Neutral line input o...

Page 82: ...en Introduction AC N Neutral line of the power supply for the main unit AC L Live line of the power supply for the main unit N OUT Neutral line output of the filter board to the drive board Neutral li...

Page 83: ...79 SPLIT TYPE 4 9 2 Electric Wiring Refer to Section 4 8 for wiring principle The wiring diagram stuck to the unit always prevails 1 Wiring diagram indoor unit GRS CQ16Pd NaE D I at field 2 Wiring dia...

Page 84: ...Supported NO 2 wire 230V 50 60Hz AC Closing water flow Yes Opening water flow Yes NC 2 wire 230V 50 60Hz AC Closing water flow Yes Opening water flow Yes 1 Normal Open type When electric power is NOT...

Page 85: ...Flow B Yes Selecting Flow B between Flow B and Flow A Yes 1 SPDT Single Pole Double Throw Three wires consist of Live1 for selecting Flow B and Neutral for common 2 Flow A means water flow from the i...

Page 86: ...ll output 230V when outdoor temperature is lower than the set point for startup of the auxiliary heat source 7 8 Other Thermal XT2 N 4 14 Wiring of the Gate Controller If there is gate control functio...

Page 87: ...ng is mainly applied f After the remote air temperature sensor is installed it should be set to With through the wired controller so as to set the remote air temperature to the control point 4 16 Wiri...

Page 88: ...erated swtiches Approvals The XE70 range is CE RoHs and WEEE compliant For regulatory information DoC CoC D0045 is available on request Product must be wired as shown for CE compliance NOTE Never use...

Page 89: ...Air to water Heat Pump Split Versati 85 SPLIT TYPE...

Page 90: ...e terminal of AP1 CN6 through the four wire communication line b AP1 CN 5 and AP2 CN 7 have been connected with the communication line three wire communication line before delivery c The remote monito...

Page 91: ...ng 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 Does power s...

Page 92: ...nsulation resistance between each outdoor phase and earth as well as between phases Caution defective earthing may cause electric shock No Ready to start 1 Cut off all temporary power supply resume al...

Page 93: ...sfied 1 2 Check for the Water System 1 Are water inlet and outlet directions correct 2 Is the water piping cleaned Are there foreign matters at the pipe joints Is the water quality satisfied 3 Is insu...

Page 94: ...eration for the water system as stated below 1 Go to the FUNCTION page and locate Air removal then configure it through the Up Down key On or Off NOTE It will not be memorized upon power failure It ca...

Page 95: ...Communication error between indoor and outdoor unit ODU IDU Com E6 15 Drive communication error Drive com 16 High pressure sensor error HI pre sens Fc 17 Refrigerant liquid line temperature sensor er...

Page 96: ...ror T mod sensor P7 51 Charging circuit error Charge circuit Pu 52 Incorrect AC voltage input AC voltage PP 53 Drive board temperature sensor error Temp driver PF 54 AC contactor protection or input z...

Page 97: ...ck if the High pressure switch wiring is loose Replace the wiring Check if the water in the tank is enough Check if the installation of tank temp sensor is correct Check if the gas valve and liquid va...

Page 98: ...no 3 3 Compressor Discharge Temp Protection E4 Comp Discharge Temp Protection E4 Measure if the exhaust temperature of compressor reaches120 Replace the corresponding exhaust temperature sensor Check...

Page 99: ...if the voltage is normal Check if the refrigerant of the system is excessive Contact the power supply company Recharge suitable amount of the refrigerant yes no no yes no yes yes 3 5 DC Fan Error EF E...

Page 100: ...re sensor no Replace the mainboard of the AP1 or AP2 3 7 Communication Malfunction E6 Communication Malfunction E6 Check if the communication line of the unit is connected Check the orientation of plu...

Page 101: ...NO YES NO YES NO YES 4 Diagnosis of Drive 4 1 Diagnosis Flowchart of Drive of Single phase Unit and Three phase Unit Drive Module Reset Code P0 IPM or PFC Temperature Sensor Error Code P7 AC Current...

Page 102: ...Tighten the IPM or PFC module DC Busbar Over voltage Protection Code PH DC Busbar Under voltage Protection Code PL Is input voltage ranged from 185VAC to 264VAC Replace the driver board AP4 DC over v...

Page 103: ...played in the mainboard 88 Indicating Lamp Is the CPU tightened Replace the driver board AP4 Work Normally Tighten the CPU YES NO Compressor Startup Failure code LC Start failure is displayed on the w...

Page 104: ...ayed in the mainboard 88 indicating lamp Is the compressor wire terminals tightened Replace the mainboard Does it work normally Replace the compressor Work Normally Adjust the compressor phase sequenc...

Page 105: ...pressure gage is installed in returning water line in the indoor unit Please adjust the hydraulics system pressure according to next item 1 If the pressure is less than 0 5 bar please recharge the wa...

Page 106: ...ng 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 wet compressio...

Page 107: ...lled when carrying out site connection of pipelines Check the liquid valve and the gas valve of the outdoor unit The valves shall be completely shut off Connect a vacuum pump to the liquid valve and t...

Page 108: ...i 104 SPLIT TYPE WARNING When charging is interrupted or finished reinspect the unit but do not let the compressor run into operation NOTE Do not use mixture of refrigerant vapor and air or oxygen for...

Page 109: ...rves the right to modify the product specification and appearance in this manual without notice and without incurring any obligation Part of Ouellet Group Add 3400 Industriel Blvd Sherbrooke QC Canada...

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