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Groundtherm - Ground Source Heat Pump -

Installation

3.5 REFRIGERATION

TEV

EVAPORATOR

RETURN WATER

THERMOSTAT PROBE

HEATING

CONDENSER

(SERIES FLOW)

(PARALLEL FLOW)

COMP

RECEIVER

PROCESS

22mm

22mm

HEATING

FLOW

HEATING

RETURN

FROM

GROUND LOOP

TO

GROUND LOOP

HP

SERVICE

SCHRADER

LP SERVICE

SCHRADER

INSULATION

INSULATION

25ºC TO 55ºC

MANUAL RESET

(430 PSIG)

HP

HP

(400 PSIG)

AUTO RESET

LP

INSULATION

PHIAL

TEV

(3 PSIG)

AUTO RESET

150.00 MIN

TEV

EVAPORATOR

CONDENSER

MANUAL RESET

(430 PSIG)

(SERIES FLOW)

(PARALLEL FLOW)

COMP

RECEIVER

PROCESS

22mm

22mm

22mm

22mm

HP SERVICE

SCHRADER

LP SERVICE

SCHRADER

INSULATION

INSULATION

RETURN WATER

THERMOSTAT PROBE

HEATING

(25ºC TO 55ºC)

HEATING

FLOW

HEATING

RETURN

FROM

GROUND

LOOP

TO GROUND

LOOP

LP

INSULATION

HEAT

EXCHANGER

PHIAL

TEV

HP

HP

(3 PSIG)

AUTO RESET

(400 PSIG)

AUTO RESET

5 REFRIGERATION

5.7 RefRIGeRatIon DIaGRamS

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Содержание Ground Source

Страница 1: ...e safety and performance specification that we require Do not use reconditioned or copy parts that have not been clearly authorised by Ideal For the very latest copy of literature for specification and maintenance practices visit our website www idealheating com where you can download the relevant information in PDF format October 2011 UIN 206312 A02 SD449552 Issue 10 ...

Страница 2: ...2 Groundtherm Ground Source Heat Pump Installation ...

Страница 3: ...iagrams 11 15 5 4 Optional Weather Compensator 16 17 5 5 Frost Protection Using Thermostats 18 5 6 System Diagram 20 22 5 7 Refrigeration Diagrams 23 5 8 Data Sheet 24 5 9 Ground Collector Information 25 5 10 Ground Source Fault Finding 26 6 0 WATER STORAGE REQUIREMENTS 27 6 1 In direct Water Storage Cylinder 27 COMMISSIONING CHECKLIST 28 Contents INTRODUCTION This installation manual is accompani...

Страница 4: ...roportion of the annual heating requirement say 85 with the existing boiler integrated to deliver the balance on the coldest days In bivalent systems the heat pump is sometimes only linked to the space heating system which eliminates the requirement to fit a new DHW cylinder Standard designs for several different configurations including plumbing and electrical circuits are included in this manual...

Страница 5: ...ity if necessary that the equipment is connected only to a supply of that impedance or less Groundtherm 5 the maximum permissible system impedance Z max at the interface point on the user s supply in accordance with section 6 2 EN61000 3 11 should be 0 26 j0 16 complex 0 3 Ohms at 32 01 degrees Real Consult with the supply authority if necessary that the equipment is connected only to a supply of ...

Страница 6: ...ee EWD The Groundtherm unit will operate on space heating or DHW according to demand It is recommended that maximum use of night rate electricity is programmed into the controller as DHW heating is particularly well suited to this approach The programmable heating controller will be supplied with its own set of instructions users should familiarise themselves with the best method of operation 4 1 ...

Страница 7: ...setting This control does not influence the domestic hot water temperature Mains Power Connected Mains Lamp Space Heating Temperature Control This refers to a high pressure switch in the refrigeration circuit of the heat pump This device protects the compressor and components from damage and its operation stops the unit The problem may be due to lack of water flow or a fault external to the machin...

Страница 8: ...30V 1 PHASE 50Hz CONNECTIONS GROUND LOOP AND HEAT PUMP 22mm COMPRESSION FILLING AND PURGING POINTS 3 4 INCH BSP MALE ADDITIONAL HOSETAIL ADAPTORS SUPPLIED PUMP WILO RL ST 25 7 MAX HEAD 7 m MAX FLOW VOLUME 66 l min POWER CONSUMPTION SPEED 3 110 WATTS SPEED 2 81 WATTS SPEED 1 59 WATTS CURRENT SPEED 3 0 47 AMPS SPEED 2 0 35 AMPS SPEED 1 0 25 AMPS PRESSUE RELIEF SETTING 3 0 BAR PRESSURE GAUGE RANGE 0 ...

Страница 9: ...RATURE CONTROLLER MAINS LAMP RED CONTACT IDEAL SERVICE ENGINEER IF HIGH PRESSURE RESET DOES NOT CLEAR FAULT GROUND SOURCE FAULT LAMP AMBER HIGH PRESSURE SWITCH MANUAL RESET PROGRAMMER LIVE LAMP RED POWER HEAT PUMP IF LIGHT SHOWS PRESS RED BUTTON PROGRAMMER LIVE U P HEATING ºC 3 5 5 CONSOLE LAYOUT RED RED ...

Страница 10: ...OM GROUND LOOP HEATING FLOW HEATING RETURN 552 610 657 850 41 166 50 350 50 442 50 FRONT TERMINAL BLOCK ACCESS REMOVE 4 SCREWS IN FRONT SERVICE PANEL REMOVE 4 SCREWS ON ELECTRIC BOX COVER REPLACE ALL COVERS BEFORE SWITCHING UNIT ON TOP PANEL REMOVABLE 501 421 1 4 TURN DZUS FASTENERS CABLE ENTRY AT SIDE SERVICE PANEL L N E 1 2 3 4 5 6 7 8 9 10 11 12 R3 R2 R1 F 5A 13 14 15 22 23 T1 ETH ETH ETH 1 2 3...

Страница 11: ...TIC HOT WATER THERMOSTAT PROGRAMMER TERMINAL JUNCTION BOX GROUND SOURCE HEAT PUMP INTERNAL TERMINAL CONNECTIONS L N L E N L N E L L L L L HW CH L 1 L N E L N EXTERNAL WIRING WITH TERMINAL JUNCTION BOX HIGH LEVEL MANUAL RESET THERMOSTAT UNVENTED CYLINDER ONLY REQUIRED ONLY IF HIGH LEVEL STAT NOT FITTED L 12 L 11 LINK FOR SIMULTANEOUS HOT WATER AND HEATING HEATING PUMP FIXED SPEED ROOM HEATING VALVE...

Страница 12: ...UMP GROUND LOOP RUN 5 8 9 1 2 3 4 6 7 12 16 19 10 11 13 15 17 18 14 HEATING VALVE HONEYWELL V4044 4 N L 1 3 2 L N ROOM THERMOSTAT DOMESTIC HOT WATER THERMOSTAT PROGRAMMER TERMINAL JUNCTION BOX GROUND SOURCE HEAT PUMP INTERNAL TERMINAL CONNECTIONS L E N L E N L N E L L L L L HW CH L N E L L N E L L L N E L N EXTERNAL WIRING WITH TERMINAL JUNCTION BOX HIGH LEVEL MANUAL RESET THERMOSTAT UNVENTED CYLI...

Страница 13: ...E HEAT PUMP INTERNAL TERMINAL CONNECTIONS 19 E L N EXTERNAL WIRING WITH TERMINAL JUNCTION BOX HIGH LEVEL MANUAL RESET THERMOSTAT HIGH PRESSURE CYLINDER ONLY CYLINDER VALVE HIGH PRESSURE CYLINDER ONLY HEATING PUMP FIXED SPEED FUSE SEE NOTE 3 230 240V 1N SWITCHED FUSED SUPPLY 3 5 15A 16A MCB TYPE C 5 20A 20A MCB TYPE C SEE NOTE 5 8 L 6 10 1 2 3 5 7 9 4 PUMP GROUND LOOP RUN 5 8 9 1 2 3 4 6 7 16 10 11...

Страница 14: ...MBER C R S COMPRESSOR R1 R2 R3 P0WER FACTOR CAP COMPRESSOR BR 2 5 BR 2 5 BR 0 5 BR 2 5 INSIDE HEAT PUMP A2 A1 1 3 4 6 7 9 100 OHM R 2 5 O 2 5 BL 2 5 B 0 5 R O 0 5 R O 0 5 R 2 5 B 2 5 P 2 5 O 0 5 V 0 5 BL 2 5 O 2 5 P 2 5 W 1 0 W 1 0 W 1 0 W 1 0 B 0 5 B 2 5 R BL 0 5 R B 0 5 V 0 5 R B 0 5 R O 0 5 R BL 0 5 O BL 0 5 G 0 5 O 0 5 R 0 5 R 0 5 R O 0 5 BR 2 5 R O 0 5 V 0 5 B 0 5 B 0 5 B 0 5 B 0 5 C H G Y 1 ...

Страница 15: ... ROOM HEATING LIVE PRIME FOR GROUND PUMP LIVE GO SIGNAL FOR GROUND PUMP NEUTRAL FOR GROUND PUMP POWER LAMP RED NEUTRAL LINK FOR SIMULTANEOUS HEATING AND HOT WATER LIVE OUTPUT FOR HEATING TB13 TB14 TB15 TB 22 PROGRAMMER LIVE LAMP RED LIVE FROM PROGRAMMER LIVE GO FOR HEATING PUMP ON Y W PLAN MAINS ON OFF 30 SEC DELAY ON TIMER HP SWITCH HEAT PUMP FAULT LAMP AMBER LP SWITCH MANUAL AUTO N O 3 N C 9 COM...

Страница 16: ...value Suggested Setting Switching differential 1 4 5 of heat pump temperature control 1 20 K 6 K Authority of room temperature on heat pump temperature control 0 100 authority OFF quick setback is inactive 50 quick setback is active Heating limit for ECO automatic energy saver 10 8 C referred to the room temperature setpoint 3 K gives a heating limit of 16 C at a room temperature setpoint of 20 C ...

Страница 17: ...r must never be exposed to the morning sun Mounting Height Preferably in middle of dwelling to be heated but at least 2 5m above the ground Must not be fitted above windows doors air extracts or other heat sources below balconies or in the eaves of the roof The sensor must not be painted over Outdoor Temperature Sensor 100 mm MOUNTING POSITIONS KEEP AREA AROUND SENSOR CLEAR OF INSULATION STRAP ON ...

Страница 18: ...TAT e g HONEYWELL L641B004 FROST STAT e g HONEYWELL T4360A1009 NOTE NOT SUITABLE FOR OUTDOOR USE UNLESS MOUNTED IN WATHERPROOF BOX When a frost stat and pipe stat are fitted to a ground source heat pump they should be wired to the terminal junction box as shown below 5 5 FROST PROTECTION USING THERMOSTATS see external wiring diagram ...

Страница 19: ...ent with heating and hot water household requirements d Advise the user of the precautions necessary to prevent damage to the system and heat pump e Explain the function of pump fault light f Loss of system water pressure Explain that the system pressure gauge indicates the central heating system pressure and that if the normal COLD pressure of the system is seen to decrease over a period of time ...

Страница 20: ...F VALVE TUNDISH TO WASTE WARNING CONSISTS OF SCALDING WATER AND STEAM DISCHARGE BELOW FIXED GRATING IN ACCORDANCE WITH BUILDING REGULATIONS DOMESTIC HOT WATER TANK DOMESTIC HOT WATER THERMOSTAT SET TO 60 C DIFF SET TO 8 C HOT WATER COLD WATER SUPPLY GROUND LOOP PUMP GROUND LOOP GROUND SOURCE HEAT PUMP WIRED FOR DHW PRIORITY OR BOTH PRIORITY ACTS AS BOILER 2 PORT SPRING RETURN VALVE HOT WATER HONEY...

Страница 21: ...NING CONSISTS OF SCALDING WATER AND STEAM DISCHARGE BELOW FIXED GRATING IN ACCORDANCE WITH BUILDING REGULATIONS DOMESTIC HOT WATER TANK DOMESTIC HOT WATER THERMOSTAT SET TO 60 C DIFF SET TO 8 C HOT WATER COLD WATER SUPPLY GROUND LOOP PUMP GROUND LOOP GROUND SOURCE HEAT PUMP WIRED FOR DHW PRIORITY OR BOTH PRIORITY ACTS AS BOILER 3 PORT SPRING RETURN DIVERTER VALVE HONEYWELL V4044 CIRCULATING PUMP F...

Страница 22: ...SISTS OF SCALDING WATER AND STEAM DISCHARGE BELOW FIXED GRATING IN ACCORDANCE WITH BUILDING REGULATIONS DOMESTIC HOT WATER TANK DOMESTIC HOT WATER THERMOSTAT SET TO 60 C DIFF SET TO 8 C HOT WATER COLD WATER SUPPLY GROUND LOOP PUMP GROUND LOOP GROUND SOURCE HEAT PUMP WIRED FOR DHW PRIORITY OR BOTH PRIORITY ACTS AS BOILER 3 PORT SPRING RETURN MID POSITION VALVE HONEYWELL V4073 CIRCULATING PUMP FIXED...

Страница 23: ...O 55ºC MANUAL RESET 430 PSIG HP HP 400 PSIG AUTO RESET LP INSULATION PHIAL TEV 3 PSIG AUTO RESET 150 00 MIN TEV EVAPORATOR CONDENSER MANUAL RESET 430 PSIG SERIES FLOW PARALLEL FLOW COMP RECEIVER PROCESS 22mm 22mm 22mm 22mm HP SERVICE SCHRADER LP SERVICE SCHRADER INSULATION INSULATION RETURN WATER THERMOSTAT PROBE HEATING 25ºC TO 55ºC HEATING FLOW HEATING RETURN FROM GROUND LOOP TO GROUND LOOP LP I...

Страница 24: ...s 1 40 3 20 ELECTRICAL ELECTRICAL SUPPLY 1 PHASE V ph Hz MIN SUPPLY CAPACITY Max F L A 1 ph N amps 11 15 MAX SUPPLY FUSE 1 ph N TYPE C MCB amps 15 20 GENERAL HERMETIC SYSTEM GAS CHARGE R134a kg 2 5 2 5 OIL TYPE COMPRESSOR PHYSICAL DIMENSIONS WIDTH Un packed mm 500 500 DEPTH Un packed mm 467 467 HEIGHT Un packed mm 850 850 WEIGHT Un packed kg 103 109 SOUND POWER TO ENV 12102 dB A 50 4 50 6 SOUND PR...

Страница 25: ... 10 W m2 8 W m2 Wet non cohesive soils 15 20 W m2 12 16 W m2 Cohesive loamy soils wet 20 30 W m2 16 24 W m2 Water saturated sand gravel 40 W m2 32 W m2 Slinky Collector Heat Extraction Guide House floor Area m2 Heat pump Number of Length of nominal output trenches required slinkies Up to 90 3 5kW 2 30 metres 80 130 5 0kW 2 40 metres Comparative Examples 240V single phase for 1800 hours Heat pump c...

Страница 26: ... out the above checks for the relevant service 2 Where twin pump heads are used check for bypassing between pump heads systems 3 Where diverting valve used check for bypassing between systems 4 Check correct flow rates for heating and hot water circuits 5 Consider insulation issues of property 6 Consider how system is used by tenant 7 Consider how property is used i e windows and doors being left ...

Страница 27: ...mply with BS6759 All system components must comply with the required local water regulations Indirect POWER Flow 2000 Standard Cylinder Type Shell size mm Overall dimensions mm Ideal No 150 Litre 1100 x 450 1125 x 550 204829 180 Litre 1300 x 450 1325 x 550 204830 210 Litre 1500 x 450 1525 x 550 204831 Cold Feed with spreader pipe and check valve fitted Immersion heater with integrated Stat Drain S...

Страница 28: ... to Hot Water Programmer Timer pump main controls 3 Heating Zone Valves including underfloor loops Fitted Not Required 4 Hot Water Zone Valves Fitted Not Required 5 Thermostatic Radiator Valves Fitted Not Required 6 Heat Pump Safety Interlock 3 Built In Provided 7 Outdoor Sensor Fitted Not Required 8 Automatic Bypass System Fitted Not Required 9 Buffer Vessel Fitted Yes No If YES Volume Litres Com...

Страница 29: ...erative ID No Comments Signature Date Engineer Name Company Name Telephone No Operative ID No Comments Signature Date Engineer Name Company Name Telephone No Operative ID No Comments Signature Date Engineer Name Company Name Telephone No Operative ID No Comments Signature Date Engineer Name Company Name Telephone No Operative ID No Comments Signature Date Engineer Name Company Name Telephone No Op...

Страница 30: ...e of its products The right is therefore reserved to vary specification without notice The Ideal Technical Training Centre offers a series of first class training courses for domestic commercial and industrial heating installers engineers and system specifiers For details of courses please ring 01482 498 432 Manufactured under an ISO 9001 registered quality management system Ideal Installer Techni...

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