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Content

ATTENTION !

Before installing/mounting the heat pump please read this user

manual carefully!

Otherwise heat pump may be damaged, which may result in serious

injury or even death for service personel and user.

Heat pump shall be installed and start up by qualified personel

approved by GASSERO.

1 Meanıngs of the symbols and safety

12 2-Way Valve

1.1

Meanıngs of the symbols

13 3-Way Valve

2 General

14 Other Thermal

3 Diagram of the Operating Principle

15 Optional Electric Heater

4 Operating Principle of the Unit

16 Gate-controller

5 Nomenclature

17 Charging and Discharging of Refrigerant

6 Installation Example

18 Installation of Insulated Water Tank

7 Main Components

18.1

Installation measure

8 Installation Guideline of Monobloc Unit

18.2

Connection of waterway system

8.1

Instruction to installation

18.3

Requirements on water quality

8.2

Installation of monobloc unit

19 Electric wiring work

8.2.1

Selection of installation location

of monobloc unit

19.1

Wiring principle

8.2.2

Outline dimension of monobloc unit

19.2

Specification of power supply wire and

leakage switch

8.2.3

Space requirements for installation

20 Control Board

8.2.4

Precautions on installation of monobloc unit

21 Electric Wiring

8.2.5

Water pipe connection of monobloc unit

22 Terminal Board

8.2.6

Usage of rubber rings

23 Commissioning

8.2.7

Usage of reserved communication cable

23.1

Check before startup

8.3

Safety operation of flammable refrigerant

23.2

Test run

9 Installation of Hydraulic Unit

24 Daily Operation and Maintenance

9.1

Available External Static Pressure of Outlet

24.1

Troubleshooting

9.2 Water volume and expansion vessel pressure

24.2

Recovery

9.3

The method of calculating the charging pressure of

expansion vessel

24.3

Decommissioning

9.4

Selection of expansion vessel

24.4

Notice before Seasonal Use

10 Remote Air Temperature Sensor

24.5

Precautions for Freeze Protection in Winter

11 Thermostat

Содержание GSR-M10-DC/M

Страница 1: ...N AND USER MANUAL EN 50 70 90 115 125 150 MONOBLOCK DC INVERTER HEAT PUMP GSR M4 DC M GSR M6 DC M GSR M8 DC M GSR M10 DC M GSR M12 DC M GSR M14 DC M GSR M16 DC M GSR M10 DC T GSR M12 DC T GSR M14 DC T GSR M16 DC T ...

Страница 2: ...obloc unit 15 19 Electric wiring work 33 8 2 1 Selection of installation location of monobloc unit 15 19 1 Wiring principle 33 8 2 2 Outline dimension of monobloc unit 16 19 2 Specification of power supply wire and leakage switch 33 8 2 3 Space requirements for installation 17 20 Control Board 34 8 2 4 Precautions on installation of monobloc unit 17 21 Electric Wiring 43 8 2 5 Water pipe connectio...

Страница 3: ...pply cord is damaged it must be replaced by the manufacturer its service agent or similarly qualified persons in order to avoid a hazard The appliance shall be installed in accordance with national wiring regulations This product is a kind of comfort air conditioning and is not allowed to be installed where there are corrosive explosive and inflammable substances or smog otherwise it would lead to...

Страница 4: ...cling WARRANTY PERIOD AND LIFE TIME Warranty is 2 years from the date of invoice unless other terms are agreed separately Service life of the heat pump is 10 years this period can be change according to the installation water quality and other environmental conditions CONSUMER RIGHTS Consumers can apply for complaints and appeals to consumer courts and consumer arbitration committees In case of de...

Страница 5: ...or wire connection Never damage the electric wire or use the one which is not specified Otherwise it may cause overheating or fire Before cleaning please cut off the power supply Otherwise it may cause electric shock or damage The power supply must adopt special circuit with leakage switch and enough capacity User can not change power cord socket without prior consent Wiring working must be done b...

Страница 6: ...with flammable gas R32 For repairs strictly follow manufacturer s instructions only Be aware that refrigrants not contain odour Read specialist s manual If a stationary appliance is not fitted with a supply cord and a plug or with other means for disconnection from the supply mains having a contact separation in all poles that provides full disconnection under overvoltage category III conditions t...

Страница 7: ...n of PCB for users cut off power means to stop supplying power to the unit Don t directly expose the unit under the corrosive ambient with water or dampness Don t operate the unit without water in water tank The air outlet inlet of unit cannot be blocked by other objects The water in unit and pipeline should be discharged if the unit is not in use to prevent the water tank pipe line and water pump...

Страница 8: ...m entering water pressures Maximum entering water pressures Cooling 0 05MPa 0 25MPa Heating Water heating The range of external static pressures at which the appliance was tested add on heat pumps and appliances with supplementary heaters only If the supply cord is damaged it must be replaced by the manufacturer its service agent or similarly qualified persons in order to avoid a hazard The applia...

Страница 9: ...visible and legible Markings and signs that are illegible shall be corrected refrigeration pipe or components are installed in a position where they are unlikely to be exposed to any substance which may corrode refrigerant containing components unless the components are constructed of materials which are inherently resistant to being corroded or are suitably protected against being so corroded Rep...

Страница 10: ...ction equipment Intrinsically safe components do not have to be isolated prior to working on them Do not apply any permanent inductive or capacitance loads to the circuit without ensuring that this will not exceed the permissible voltage and current permitted for the equipment in use Intrinsically safe components are the only types that can be worked on while live in the presence of a flammable at...

Страница 11: ... of the Operating Principle Flow switch Expansion Vessel Automatic exhaust valve Note the swimming pool solar kit and water mixing accessory are optional parts When they are required please contact the manufacturer ...

Страница 12: ...ensed With the help of wired controller the outflow temperature can meet the user s requirement Through the control of valve the high temperature water in the system is connected with the coil pipe of bearing water tank and exchanges heat with the water in the water tank so that the temperature of water tank increases to the required range Cooling water heating when cooling mode exists together wi...

Страница 13: ...d setting corresponding time to meet the requirement of disinfection mode the function will start After the setting temperature is reached this mode will terminate Weather dependent Operation this mode is only available for space heating or space cooling In Weather dependent mode the setting value remote room air temperature or leaving water temperature is detected and controlled automatically whe...

Страница 14: ...ure enough water flow rate and by pass valve should be installed at the collector Notes a In this case three way valve should be installed and should be complied with installation of this manual b Sanitary should be equipped with internal electric heater to to secure enough heat energy in the very cold days Sanitary water tank Under floor coil Under f loor coil CASE 2 Connecting Sanitary Water Tan...

Страница 15: ...ectric heater Under floor Coil Fan Coil Sanitary water tank Fan Coil CASE 3 Connecting Sanitary Water Tank Under floor Coil and FCU 7 Main Components GSR M4 DC M GSR M6 DC M GSR M8 DC M 3 wa y value High temperature line Low t emperature line Shut off value Remote room Thermostat Field supply By pass value Field supply ...

Страница 16: ...mpressor is used to reduce vibration during transport Before commissioning they must be removed otherwise it would lead to unnecessary faults When foot brackets have been removed the fastening screws must be tightened so as to prevent the compressor from jumping out during operation 8 2 Installation of monobloc unit 8 2 1 Selection of installation location of monobloc unit 1 Monobloc unit must be ...

Страница 17: ...16 8 2 2 Outline dimension of monobloc unit GSR M4 DC M GSR M6 DC M GSR M8 DC M GSR M10 DC M GSR M12 DC M GSR M14 DC M GSR M16 DC M GSR M10 DC T GSR M12 DC T GSR M14 DC T GSR M16 DC T ...

Страница 18: ...nd the unit from 4 directions Included angle between the rope when hanging and moving must be 40 below to prevent center of the unit from moving 2 Adopt M12 bolts components to tighten feet and under frame when installing 3 Monobloc unit should be installed on concrete base that is 10cm height 4 Requirements on installation space dimension of unit s bodies are shown in following drawing 5 Monobloc...

Страница 19: ...GSR M8 DC M GSR M10 DC M GSR M12 DC M GSR M14 DC M GSR M16 DC M GSR M10 DC T GSR M12 DC T GSR M14 DC T GSR M16 DC T 1 Take away the original rubber rings replace the long tail rubber rings of accessory 2 Wires installed by field supply get through the rubber rings such as 2 way valve 3 way valve power cable 3 and so on Be careful of separating electrical wire and light current wire 4 Tie the rubbe...

Страница 20: ...ibited in the maintenance area and th no smoking warning board should be hanged nameplate Check whether the appliance mark is in good condition Replace the vague or damaged warning mark llowed to be operated in the rooms that meet the requirement 4 Welding If you should cut or weld the refrigerant system pipes in the process of maintaining please follow the steps as below a Shut down the unit and ...

Страница 21: ...adjust its output based on the actual load 9 2 Water volume and expansion vessel pressure Note a The expansion vessel is 2 liter and 1 5bar pre pressurized for 4 6 8kW unit 3 liter and 1 5bar per b pressurized for 10 12 14 16kW unit c Total water volume of 44 liter is default for 4 6 8kW unit and 66 liter for 10 12 14 16kW unit if total water is changed because of installation condition the pre pr...

Страница 22: ...12 m Adjustment is not necessary 1 Pre set pressure needs to be adjusted according to the above formula 2 Check if the water volume is lower than the maximum water volume with help of the above figure 12 m 1 Pre set pressure needs to be adjusted according to the above formula 2 Check if the water volume is lower than the maximum water volume with help of the above figure The expansion vessel is to...

Страница 23: ...on factor of water the difference between the expansion factor of the original water temperature and that of highest water temperature 10 Remote Air Temperature Sensor Water expansion factor in different temperature Temperature Expansion factor e 0 0 00013 4 0 10 0 00027 20 0 00177 30 0 00435 40 0 00782 45 0 0099 50 0 0121 55 0 0145 60 0 0171 65 0 0198 70 0 0227 75 0 0258 80 0 029 85 0 0324 90 0 0...

Страница 24: ...at 1 Uncover the front cover of indoor unit and open the control box 2 Identify the power specification of the thermostat if it is 230V find terminal block XT5 as NO 22 24 and block XT6 as NO 33 34 Otherwise if it is 24V find terminal block XT5 as NO 17 21 3 If it is the heating cooling thermostat please connect wire as per the figure above NOTE 220V power supply can be provided to the thermostat ...

Страница 25: ... Closed type should be connected to wire ON and wire N for valve closing in cooling mode ON Line signal for Normal Open type from PCB to 2 way valve OFF Line signal for Normal Closed type from PCB to 2 way valve N Neutral signal from PCB to 2 way valve 13 3 Way Valve The 3 way valve 2 is required for the sanitary water tank Its role is flow switching between the under floor heating loop and the wa...

Страница 26: ...tral signal from the main board to the 3 way valve 14 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 thermal and Optional Electric Heater CANNOT be installed at the same time Step 1 Other thermal installatio...

Страница 27: ...22 Optional water temperature sensor connecet 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 AP1 CN16 optional water temperature sensor ...

Страница 28: ...bloc 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 1group or 2 group and only works fo space heating 15 Optional Electric Heater Step 2 Electric wiring work AC contactor shuould be installed to XT3 KM1 1 group electric heater or KM1 and KM2 2 group electric heater CN16 AP1 optio...

Страница 29: ...nd Discharging of Refrigerant The unit has been charged with refrigerant before delivery Overcharging or undercharging will cause the compressor to 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 casi...

Страница 30: ...nsure that the detector is not a potential source of ignition and is suitable for the refrigerant used 4 Leak detection equipment shall be set at a percentage of the LFL of the refrigerant and shall be calibrated to the refrigerant employed and the appropriate percentage of gas 25 maximum is confirmed 5 Leak detection fluids are suitable for us with most refrigerant but the use of detergents conta...

Страница 31: ...water pipe and water outlet of water tank with PPR pipe Safety check valve Tap water Note 1 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 the pipe Moreover heat preservation should be conducted and metal pipe cannot be used For the first use water tank must be full of water before the power is on 2 The water m...

Страница 32: ...let 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 least a cut off valve is needed for the water outlet pipe 5 Installation of blow off pipes at the bottom of water tank connect a piece of PPR pipe with...

Страница 33: ...rm 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 water inlet o...

Страница 34: ...14 DC T 16 5 x 2 5 GSR M16 DC T 16 5 x 2 5 Model 220 240VAC 1Ph 50Hz 380 415VAC 3Ph 50Hz Note a Leakage 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 selected power cable diameters are determined based on assumption of distance from the distribution ca...

Страница 35: ...2 3 4 power supply 5 CN18 Interface to the variable frequency water pump CN19 Interface to the variable frequency water pump CN15 20K temperature sensor inlet water CN15 20K temperature sensor outlet water CN15 20K temperature sensor refrigerant liquid line CN16 20K temperature sensor refrigerant vapor line CN16 10K temperature sensor leaving water for the auxiliary electric heater CN16 20K temper...

Страница 36: ...5 pin 12V FB 1 2 3 4 signals 5 power supply to EXV2 pipe electric expansion valve 1 4 pin driving impulse output 5 pin 12V T_SENSOR2 1 2 environment 3 4 discharge 5 6 suction 1 2 hole pipe temperature 3 4 hole environment 5 6 hole exhaust T_SENSOR1 1 2 economizer inlet 3 4 economizer outlet 5 6 defrost H_PRESS 1 pin ground 2 pin signal 3 pin 5VSignal input of pressure sensor 1 pin GND 2 pin signal...

Страница 37: ...uction AC L Live line input N Neutral line input L OUT Live line output N OUT Neutral line output COMM Communication U To compressor phase U V To compressor phase V W To compressor phase W CN16 CN15 CN19 CN18 CN3 CN4 CN1 CN2 CN10 CN9 CN8 CN20 CN21 CN22 CN23 CN24 CN25 N AC_L X3 ...

Страница 38: ...nterface to the variable frequency water pump CN19 Interface to the variable frequency water pump CN15 20K temperature sensor inlet water CN15 20K temperature sensor outlet water CN15 20K temperature sensor refrigerant liquid line CN16 20K temperature sensor refrigerant vapor line CN16 10K temperature sensor leaving water for the auxiliary electric heater CN16 20K temperature sensor reserved CN8 1...

Страница 39: ...5 pin 12V FB 1 2 3 4 signals 5 power supply to EXV2 pipe electric expansion valve 1 4 pin driving impulse output 5 pin 12V T_SENSOR2 1 2 environment 3 4 discharge 5 6 suction 1 2 hole pipe temperature 3 4 hole environment 5 6 hole exhaust T_SENSOR1 1 2 economizer inlet 3 4 economizer outlet 5 6 defrost H_PRESS 1 pin ground 2 pin signal 3 pin 5VSignal input of pressure sensor 1 pin GND 2 pin signal...

Страница 40: ... AC L L OUT Live line input of the filter board 2 N N OUT Neutral line input of the filter board 3 L1 1 To PFC inductor brown line 4 L1 2 To PFC inductor white line 5 L2 1 To PFC inductor yellow line 6 L2 2 To PFC inductor blue line 7 COMP Wiring board 3 pin DT 66BO1W 03 variable frequency 8 COMM Communication interface 1 3 3V 2 TX 3 RX 4 GND 9 DC BUS DC BUS Pin for electric discharge of the high ...

Страница 41: ...2 3 4 power supply 5 CN18 Interface to the variable frequency water pump CN19 Interface to the variable frequency water pump CN15 20K temperature sensor inlet water CN15 20K temperature sensor outlet water CN15 20K temperature sensor refrigerant liquid line CN16 20K temperature sensor refrigerant vapor line CN16 10K temperature sensor leaving water for the auxiliary electric heater CN16 20K temper...

Страница 42: ...ply to EXV1 pipe electric expansion valve 1 4 pin driving impulse output 5 pin 12V FB 1 2 3 4 signals 5 power supply to EXV2 pipe electric expansion valve 1 4 pin driving impulse output 5 pin 12V T_SENSOR2 1 2 environment 3 4 discharge 5 6 suction 1 2 hole pipe temperature 3 4 hole environment 5 6 hole exhaust T_SENSOR1 1 2 economizer inlet 3 4 economizer outlet 5 6 defrost H_PRESS 1 pin ground 2 ...

Страница 43: ...put line L2 F drive board L3 F L3 F power supply output line L3 F drive board L3 F X9 to the grounding line Silk Screen Specification W Connector to the compressor phase W U Connector to the compressor phase U V Connector to the compressor phase V R 2 Connector to reactor input S 2 T 2 R 1 Connector to reactor input S 1 T 1 R Connector to filter L1 F S Connector to filter L2 F T Connector to filte...

Страница 44: ...43 21 Electric Wiring The wiring diagram stuck to the unit always prevails 1 GSR M4 DC M GSR M6 DC M GSR M8 DC M 2 GSR M10 DC M GSR M12 DC M GSR M14 DC M GSR M16 DC M ...

Страница 45: ...44 3 GSR M10 DC T GSR M12 DC T GSR M14 DC T GSR M16 DC T 22 Terminal Board 1 GSR M4 DC M GSR M6 DC M GSR M8 DC M ...

Страница 46: ...45 2 GSR M10 DC M GSR M12 DC M GSR M14 DC M GSR M16 DC M 3 GSR M10 DC T GSR M12 DC T GSR M14 DC T GSR M16 DC T ...

Страница 47: ...DC T GSR M16 DC T Name Rated Frequency Rated coil voltage Rated working voltage for the main circuit Rated working current for the main circuit AC contactor 50Hz 220V 220V 25A KM1 12 13 14 380 415V 3N 50HZ L1 L2 L3 A11 5 3 A2 2 6 4 KM 2 15 16 17 380 415V 3N 50HZ L1 L2 L3 A1 1 5 3 A2 2 6 4 KM 3 18 19 20 380 415V 3N 50HZ L1 L2 L3 A1 1 5 3 A2 2 6 4 XT3 XT3 XT3 Optional E heater 1 Optional E heater 2 ...

Страница 48: ...ank thermostat is special one it means the water tank thermostat is not all pole disconnection thermostat the water tank thermostat must be connected in series to the circuit of the water tank contactor as shown in the figure below ...

Страница 49: ...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 supply accord with the nameplate Do power cords conform to applicable requirements 10 Is power supply and control wiring connected properly according to wiring diagram Is earthing safe Is each terminal stable 11 Are ...

Страница 50: ...check the phase sequence before start up to avoid reverse rotation of the compressor which may damage the unit 4 Apply the universal electric meter to measure the insulation 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 all the insurance and check the electr...

Страница 51: ...timely contact with authorized service center Notes The water pressure gage is installed in the returning water line in the unit Please adjust the hydraulics system pressure according to next item 1 If the pressure is less than 0 5 bar please recharge the water immediately 2 When recharging the hydraulics system pressure should be not more than 2 5 Bar 24 1 Troubleshooting Malfunctions Reasons Tro...

Страница 52: ...l be suitable for the recovery of flammable refrigerants In addition a set of calibrated weighing scales shall be available and in good working order Hoses shall be complete with leak free disconnect couplings and in good condition Before using the recovery machine check that it is in satisfactory working order has been properly maintained and that any associated electrical components are sealed t...

Страница 53: ...e and operate in accordance with manufacturer s instructions h Do not overfill cylinders No more than 80 volume liquid charge i Do not exceed the maximum working pressure of the cylinder even temporarily j When the cylinders have been filled correctly and the process completed make sure that the cylinders and the k equipment are removed from site promptly and all isolation valves on the equipment ...

Страница 54: ... mahallesi kumpas cad No 10 Tuzla İstanbul TÜRKİYE Telefon 90 216 394 09 85 86 87 Faks 90 216 394 24 91 www gassero com Üretici Satıcı Firma GREE ELECTRIC APPLIANCES INC OF ZHUHAI West Jinji Rd Qianshan Zhuhai Guangdong China 27 06 2022 Technical modification rights reserved ...

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