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System Overview Heating ,Cooling & Hot

Water

(External water pump, three way valve and electric heater)

Name

Description

Location Name

Description

Location

Indoor side water pump

External

Indoor side inlet water

temperature sensor

Internal

ELK

Electric heater/boiler

External

Indoor side outlet water

temperature sensor

Internal

EXP

Expansion tank

External

STo

Outdoor side outlet water

temperature sensor

Internal

VXV

Three way valve

External

Hot water temperature sensor

Internal

Automatic water

supplement valve

External

Evaporator temperature sensor

Internal

SAK

Safety valve

External

Particle filter

External

VVB

Hot water cylinder

External

AIV

Air vent valve

External

Systems Overview (Indoor side)

Содержание VR2002

Страница 1: ...GEOTHERMAL HEAT PUMP Installation Operation Maintenance Manual VR2002 V 201212 The Installation of this unit is to adhere to all Local Building Codes and Standards...

Страница 2: ...Exchanger System 8 System Overview Floor Heating Only 9 System Overview Heating Cooling Hot Water 11 System Overview Multiple Units in Series Cascade Connection 15 Installation 17 Electrical Connectio...

Страница 3: ...sible The minimum heating water flow rate through the heat pump must be assured in all operating states of the heating system Movement and storage The unit must not be transported moved or stored at g...

Страница 4: ...ur has been removed from unit Traces of vapour should be displaced with dry nitrogen Refrigerant in contact with an open flame will produces toxic gases Ensure that the necessary safety protection equ...

Страница 5: ...ormal operations to prevent condensation collecting on cold pipes the thermal insulation of any cold components should be to a high level The unit will produce noise that is above the minimum 45 decib...

Страница 6: ...that is switched on only when compressor is on This is by changing EV01 to 1 RT sensor should be taken out of the unit and put into buffer tank s sensor pocket The RT sensor is located at lower subme...

Страница 7: ...ame Description Location Name Description Location P2 Outdoor side water pump External OT Outdoor temperature sensor Internal SAK Safety valve External FL Particle filter External BK Brine tank expans...

Страница 8: ...Name Description Location Name Description Location P2 Outdoor side water pump External OT Outdoor temperature sensor Internal SAK Safety valve External FL Particle filter External BK Brine tank expan...

Страница 9: ...ater flow switch External FI filter External DP Intermediate heat exchanger External Principle of Operation An intermediate heat exchanger DP should be installed to prevent ground water damaging or co...

Страница 10: ...erature sensor Internal EXP Expansion tank External ST Indoor side outlet water temperature sensor Internal AIV Air vent valve External STo Outdoor side outlet water temperature sensor Internal SAK Sa...

Страница 11: ...heat until RT ST02 ST04 Then compressor will stop The Compressor will start again when RT ST02 ST04 b When SF04 1 ST02 is replaced by Set temperature at heating ST05 ST06 10 ST05 OT Refer to page 36 H...

Страница 12: ...er boiler External ST Indoor side outlet water temperature sensor Internal EXP Expansion tank External STo Outdoor side outlet water temperature sensor Internal VXV Three way valve External HT Hot wat...

Страница 13: ...fer to page 36 Heating compensation curve setting and page 30 Three curves of different ST05 setting 3 Cooling Mode Working Principle On cooling mode Three way valve VXV will open AB A When the RT ST0...

Страница 14: ...ansion tank External ST Indoor side outlet water temperature sensor Internal VXV Three way valve Internal Option STo Outdoor side outlet water temperature sensor Internal ELK Electric heater Internal...

Страница 15: ...r to page 36 Heating compensation curve setting and page 37 Three curves of different ST05 setting 2 Hot water production working principle On hot water mode Three way valve VXV will open AB B When do...

Страница 16: ...n tank External ST Indoor side outlet water temperature sensor Internal SAK Safety valve External HT Hot water temperature sensor Internal FS Automatic water supplement valve External STo Outdoor side...

Страница 17: ...the RT will continue to drop to below the second unit ST02 ST04 the second unit will start increasing the heating capacity 2 When SF04 1 ST02 is replaced by Set temperature at heating ST05 ST06 ST05...

Страница 18: ...tank Position the expansion tank so that it isn t in the way of other equipment 4 When installing the circulation pump for the brine circuit position the electric connection at the 12 o clock positio...

Страница 19: ...de 1 Pipe connections for the indoor side are located on the top of the unit 2 Ensure all required safety devices shut off valves as close to the heat pump as possible and particle filter are fitted T...

Страница 20: ...230 V X6 Exhaust gas temperature return gas temperature Q74 Hot water pump or revert valve GND Common reference point for analog input Q84 Alarm 5 V DC 5 V power output for active sensor Y1 Analog ou...

Страница 21: ...ree phase the power supply must conform to the specification on the unit s nameplate The supply voltage must be within the range specified in the electrical data table For wiring connection refer to t...

Страница 22: ...21 Single phase connection port on connection terminal PE N L Triple phase connection port on connection terminal PE L1 L2 L3 N Electrical Connection...

Страница 23: ...ime check the indication lights on the device Normal green light on means that phase connection is correct PR red light on means that phase connection is in reversal PL red light on means that there i...

Страница 24: ...tdoor temperature and not to be exposed the rain sun and snow If the outdoor ambient temperature sensor cable runs close to power cables a shielded cable should be used If a conduit is used it should...

Страница 25: ...pump running when compressor is OFF If the RT sensor can not be moved to the buffer tank temperature sensor inlet the EV01 parameter value must be set to 0 factory default setting This allows the pump...

Страница 26: ...C3 C2 C1 B2 B1 A2 A1 11 10 9 8 7 6 5 4 3 2 1 Outdoor Side Water Pump Outdoor side water pump is connected to terminal port 1 2 If the water pump current is over 2A an A C contactor must be used to ac...

Страница 27: ...e the water pump Electric Heater Electric heater is connected to terminal port 10 11 An A C contactor must be used to activate the electric heater A thermostat T should be attached on the outer contai...

Страница 28: ...switch of indoor outdoor side is not assembled in the factory it has to be installed at site and connected to connection ports C1 C2 C3 C4 It is used to check if the water flowing is sufficient or no...

Страница 29: ...e connected to B1 B2 to activate or deactivate the unit s heating cooling function This external signal must be voltage free Case 1 Install a manual switch inside the house to switch on off heating co...

Страница 30: ...uld be connected to A1 A2 to activate or deactivate the unit s hot water function This external signal must be voltage free Case 1 Install a manual switch inside the house to switch on off hot water p...

Страница 31: ...30 Alarm Unit s Output When any alarm occurs Terminal port 5 6 will have a 230V output It could be connected to an alarm unit such as indication lighter alarm bell etc Electrical Connection...

Страница 32: ...buttons Button Name Operation Esc In Menu parameter setting mode press it to return to the previous menu level or to cancel the value entered Enter Press down it for more than 2 seconds and release it...

Страница 33: ...Cooling mode 2 Heating mode 3 Power 4 Hot water mode 5 Indoor side water pump 6 Compressor energy grade 7 Compressor 8 Water flow switch light on represents the water flow switch alarm 9 Outdoor side...

Страница 34: ...stem modes will be as follows Activity Sequence Press Plus Viewing Temperature Display Procedures In normal working mode press plus or minus to read the temperature Display Procedures In stop mode pre...

Страница 35: ...it to activate the Menu mode When the icon is blinking press Plus or Minus to navigate to the menu and then press Enter to proceed Contents under the menu may vary with the privilege right of the user...

Страница 36: ...Priv ilege ST01 Setting temperature at cooling mode End User 12 ST11 ST12 C 0 1 0 ST02 Setting temperature at heating mode End User 40 ST13 ST14 C 0 1 0 ST03 Setting temperature difference at cooling...

Страница 37: ...curve factor you select for the heat pump to work with Increasing ST06 will increase compensation temperature and RT will increase relatively 3 OT is the outside temperature 4 The calculated temperat...

Страница 38: ...37 Three example curve when ST05 18 20 and 22 Controller...

Страница 39: ...n factory default setting is 2 Ground loop system If brine is adopted as an outdoor side heating medium AR11 needs to be changed according to brine freezing point AR11 parameter set value should be 10...

Страница 40: ...ssure a Drain the indoor primary side of the heat pump system and reduce pressure until pressure gauge indicates 0 b If the inlet pressure of the diaphragm expansion tank is lower than the static syst...

Страница 41: ...he temperature corresponds with the soil rock temperature which indicates the brine flow e The indoor side water pump will start first some minutes later the outdoor side water pump will starts and th...

Страница 42: ...the flow temperature rises above 55 C each compressor should be stopped by its HP switch or AL05 18 Checking Heat Pump Cabinet a Seal any holes that might have been drilled into the cabinet with perma...

Страница 43: ...s 002 Outdoor side anti freeze in winter WN02 on warning logs Viewing Warning Logs Display Procedures Press down the Enter for 2 seconds and release it to activate the Menu mode When the icon is flash...

Страница 44: ...has been reset When an alarm is detected The corresponding device icon if any and the icon will continuously flash An alarm code will be displayed on the screen If more than one alarm is detected the...

Страница 45: ...llowing are codes for manual reset alarms with their meanings Codes Meaning AL11 RT sensor trouble over 120 C or lower than 35 C X1 AL12 ST sensor trouble over 120 C or lower than 35 C X2 AL13 OT sens...

Страница 46: ...be displayed as follows Press Enter to view the first manual reset alarm code Or press Minus or Plus to view other numbered alarms and press Enter to view the specific code If no alarm is generated th...

Страница 47: ...protection wait until compressor cool down controller trouble check controller compressor signal Q14 Q24 output Compressor make a sound but no action Compressor high low pressure not balanced check H...

Страница 48: ...in the direction opposite to the normal flow direction To prevent acidic cleaning agents from entering the heating system circuit we recommend connecting the flushing device directly to the flow and...

Страница 49: ...on Aluminium frame cabinet GHP07 to GHP20 Dimension 450 30 450 543 80 80 115 600 600 600 600 100 920 80 160 60 outdoor outlet outdoor inlet indoor outlet indoor inlet Sensor outlet power cable outlet...

Страница 50: ...inium frame cabinet GHP26 GHP26B GHP30 GHP30B Dimension 650 30 450 543 920 800 600 743 125 110 110 330 115 600 800 outdoor outlet outdoor inlet indoor outlet indoor inlet Sensor outlet power cable out...

Страница 51: ...ion Indoor Return 17 Connection Heating Flow 18 Connection Hot Water Flow 19 Outdoor Inlet 20 Outdoor Outlet 1 Compressor 2 Adjustable Low Pressure Switch 3 Low Pressure Gauge 4 Internal 3 Way Revert...

Страница 52: ...ndoor Return 17 Connection Heating Flow 18 Connection Hot Water Flow 19 Outdoor Inlet 20 Outdoor Outlet 1 Compressor 2 Adjustable Low Pressure Switch 3 Low Pressure Gauge 4 Internal 3 Way Revert Valve...

Страница 53: ...ure Gauge 4 High Pressure Switch 5 Service Connection High Pressure 6 Heat Exchanger 7 Filter Dryer 8 Four way valve 9 Low Pressure Switch 10 Sight Glasses 11 Heat Exchanger 12 Expansion Valve 13 Diff...

Страница 54: ...ure Gauge 4 High Pressure Switch 5 Service Connection High Pressure 6 Heat Exchanger 7 Filter Dryer 8 Four way valve 9 Low Pressure Switch 10 Sight Glasses 11 Heat Exchanger 12 Expansion Valve 13 Diff...

Страница 55: ...P13 GHP13B GHP15 GHP15B GHP20 GHP20B GHP26 GHP26B GHP30 GHP30B 1 Siemens controller 1 Siemens controller 2 Connection terminal strip 3 A C contactor 4 Thermal relay 5 Phase relay 6 Circuit breaker 7 T...

Страница 56: ...GHP07B GHP09 GHP09B GHP12 GHP12B 1 Siemens controller 5 Three way valve Relay Components 1 Siemens controller 2 Connection terminal strip 3 A C contactor 4 Circuit breaker 5 Three way valve relay 6 So...

Страница 57: ...56 Pressure drop curve m 3 h 10 20 30 1 0 2 0 3 0 4 0 40 KPa m3 h 10 20 30 1 0 2 0 3 0 4 0 40 KPa GHP10B GHP9B GHP10 GHP9 0 Pressure Drop Curve GHP07 GHP07 GHP07 GHP07 GHP07B GHP07B GHP07B GHP07B...

Страница 58: ...mp curve GHP07 GHP09 GHP10 0 0 5 1 Flow m3 H Pressure mCE Wilo star RS 25 6 Maximum speed Medium speed Mini speed 2 3 4 5 6 1 0 1 5 2 0 2 5 3 0 m3 h 10 20 30 1 0 2 0 3 0 4 0 40 KPa GHP13B GHP12B 5 0 G...

Страница 59: ...0 3 0 4 0 40 KPa 5 0 GHP15B GHP15 0 Optional internal hot water pump curve 0 1 2 3 4 5 6 7 8 0 1 2 3 4 5 6 Flow m3 H Maximum speed Medium speed Mini speed Pressure mCE Wilo star RS25 8 Pressure Drop C...

Страница 60: ...59 m3 h 10 20 30 1 0 2 0 3 0 4 0 40 KPa GHP20B 5 0 GHP20 0 m3 h 10 20 30 1 0 2 0 3 0 4 0 40 KPa 5 0 6 0 7 0 8 0 50 9 0 GHP26B GHP30B Pressure Drop Curve...

Страница 61: ...60 Temperature and sensor resistance table The sensors RT ST OT HT CT ET are NTC10K Temperature and sensor resistance table...

Страница 62: ...61 Temperature and sensor resistance table...

Страница 63: ...62 Temperature and sensor resistance table...

Страница 64: ...pump Heat output at B0 W35 kW 7 0 8 6 11 8 10 0 13 0 15 5 20 3 Power consumption kW 1 67 1 95 2 70 2 22 2 90 3 50 4 60 Performance factor 4 19 4 41 4 37 4 5 4 48 4 43 4 41 Hot side volume flow m3 h 1...

Страница 65: ...at exchanger Compressor 2xScroll Performance Heat pump Heat output at B0 W35 kW 26 0 31 0 Power consumption kW 5 80 7 00 Performance factor 4 48 4 43 Hot side volume flow m3 h 4 47 5 33 Cold side volu...

Страница 66: ...48 4 43 4 41 Hot side volume flow m3 h 1 20 1 48 2 03 1 72 2 24 2 67 3 49 Cold side volume flow m3 h 1 53 1 91 2 61 2 23 2 90 3 44 4 50 Heat output at W10 W35 kW 9 0 11 00 15 00 12 7 16 3 19 5 25 7 P...

Страница 67: ...26 0 31 0 Power consumption kW 5 80 7 00 Performance factor 4 48 4 43 Hot side volume flow m3 h 4 47 5 33 Cold side volume flow m3 h 5 79 6 88 Heat output at W10 W35 kW 32 6 39 0 Power consumption kW...

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