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Section 2: Technical Data

Page 8

Figure 2-1:

Grant QR integrated indirect heat pump cylinder dimensions

2.3 DIMENSIONS

Scale: NTS

Paper Size: A3

Project Title: Grant UK Integrated Cylinder Dimensions

Drawing Set: Integrated Cylinder

Status: Sent for approval

Rev Date: 12/10/21 Drawn By: CG

Checked By:

Dwg. No. IC0001

Revision: 0.1

This drawing and its content is subject to copyright. Use other than for its original intended purpose must be arranged with an employee of

Grant UK Ltd.

Hopton House, Hopton Industrial Estate, Devizes, Wiltshire, SN10 2EU, tel; 01380 736920

Notes: All dimensions given are in mm

unless expressed otherwise.

Revision Details:

0.1 13/10/21 Sent for approval

100mm spacers if required (supplied)

Adjustable feet

594

627

127

192

257

337

417

457

490

527

1821

185
5

Return from heating circuits - 28mm

Return to heat pump - 28mm

Flow from heat pump - 28mm

Flow to heating zone 3 - 22mm

(optional, pipe blanked)

(pipe tail below top of cylinder)

Flow to heating zone 2 - 22mm

Flow to heating zone 1 - 22mm

Balanced cold outlet - 22mm

Cold mains inlet - 22mm

594

DHW outlet - 22mm

727

(Front view)

(Left side view)

(Top view)

Lower front panel

Upper front panel

Front top panel

Rear top panel

Cable entry points

Содержание QR Range

Страница 1: ...UK DOC 0181 Rev 1 0 November 2021 Grant QR Range Integrated Indirect Heat Pump Cylinder Installation Servicing and User Instructions ...

Страница 2: ...ructions are intended to guide Installers on the installation commissioning and servicing of a Grant Quick Recovery integrated indirect heat pump cylinder After installing the cylinder leave these instructions with the user User instructions to guide users in the operation of the cylinder are in Section 12 of these instructions SPECIAL TEXT FORMATS The following special text formats are used in th...

Страница 3: ...scharge pipe arrangement 15 5 ELECTRICAL 16 5 1 Immersion heater 16 5 2 Immersion heater wiring instructions 16 5 3 Immersion heater safety cut out 16 5 4 Digital dual thermostat 17 5 5 2 port valves 17 5 6 Cylinder wiring 17 5 7 Greenbrook T205 C timer 17 5 8 Grant EP001 wiring centre 17 5 9 Wiring diagrams 18 Contents Page 3 6 COMMISSIONING DRAINING DOWN 20 AND SAFETY 6 1 Filling the cylinder 20...

Страница 4: ...nder is provided with adjustable feet to help level the cylinder The feet can be adjusted using the special tool supplied with the accessories kit The position of the cylinder should be such that easy access is provided for servicing the controls and replacing the immersion heater should the need arise Generally pipe runs should be made as short as possible and lagged to prevent heat loss 1 5 STOR...

Страница 5: ...er s supplied The water temperature control thermostats on the immersion heaters and dual thermostats fitted to the cylinder should be set no higher than 65 C however this could be decreased to be between 50 C and 55 C depending on the end user s requirements Setting a lower target temperature will help to minimise the build up of lime scale and is likely to increase the longevity of the hot water...

Страница 6: ... connections mm 22 Primary coil length m 26 Primary coil surface area m 2 3 Primary coil pipe diameter mm 28 Maximum water supply pressure bar 12 System operating pressure pre set bar 3 Secondary circuit expansion vessel charge pressure bar 3 Expansion relief valve bar 6 T P relief valve lift pressure bar 7 T P relief valve lift temperature C 90 Maximum primary circuit working pressure bar 3 5 Per...

Страница 7: ...mm straight compression connectors Including nuts and olives 3 22mm straight compression connectors Including nuts and olives 5 Primary circuit Fill Flush valve 1 Drain cock ʺ end feed 1 Inlet manifold 3 bar PRV and 6 bar expansion relief valve 1 2 port motorised valve 22 mm 3 Dual thermostat control 25 65 C high limit 80 C 1 Greenbrook T205 C timer 1 Grant EP001 wiring centre 1 M20 cable glands 2...

Страница 8: ...5 1855 42 5 Return from heating circuits 28mm Return to heat pump 28mm Flow from heat pump 28mm Flow to heating zone 3 22mm optional pipe blanked pipe tail below top of cylinder Flow to heating zone 2 22mm Flow to heating zone 1 22mm Balanced cold outlet 22mm Cold mains inlet 22mm 594 DHW outlet 22mm 727 Front view Left side view Top view Lower front panel Upper front panel Front top panel Rear to...

Страница 9: ...e Water Expansion Vessel Primary Circuit Pressure Gauge Cylinder Dual Thermostat Grant EP001 Wiring Centre Primary Circuit Filling Loop DHW 2 Port Motorised Valve Electrical Cable Entry Glands covered 2 Port Motorised Valves for Heating Zones 1 2 Greenbrook T205 C Timer CW Inlet Manifold Tundish 15 22mm Immersion Heater PTRV 90 C 7bar Drain Cock Automatic system bypass hidden by expansion vessel F...

Страница 10: ... by removing the three screws at the top of the rear panel of the cylinder 2 If the 100mm spacers supplied with the cylinder see Figure 3 1 are to be fitted fit them before manoeuvring the cylinder into its final position To do this Remove the two screws supplied in the cylinder accessories pack Loosely fit one of the screws supplied in the accessories pack into the top threaded hole on one of the...

Страница 11: ...the primary flow temperature be limited to 75 C This will help reduce the migration of suspended solids in the water and help prevent the build up of lime scale 3 4 THE 2 PORT VALVE To prevent gravity circulation when the heat pump switches off three 2 port motorised valves have been supplied fitted to the cylinder after the primary flow pipe from the ASHP They are wired in accordance with Figure ...

Страница 12: ...The expansion relief valve should be either horizontal or upright if fitted inverted debris may be deposited on the seat and cause fouling of the seat when the valve operates Check direction of flow arrows 5 If the installation requires one a pressure gauge should be sourced and fitted on the cold water supply to the cylinder between the inlet manifold and the cold water inlet tapping on the cylin...

Страница 13: ...and any attempt to adjust it will invalidate the guarantee 4 6 HOT WATER SUPPLY Connect the hot water supply pipe to cylinder connection G refer to Figure 3 1 To make this connection remove one of the 22mm straight compression couplers from the accessories pack supplied with the cylinder and make the connection to cylinder connection G see Figure 3 1 4 7 PREVENTION OF SCALDING Building Regulations...

Страница 14: ... would collect such discharges tundish visible 3 Where a single pipe serves a number of discharges such as in blocks of flats the number served should be limited to not more than 6 systems so that any installation can be traced reasonably easily The single common discharge pipe should be at least one pipe size larger than the largest individual discharge pipe to be connected If unvented hot water ...

Страница 15: ... temperature relief valve Metal discharge pipe from safety device Metal discharge pipe from tundish with continuous fall See table and worked example on previous page Discharged below fixed grating Fixed grating Trapped gully Tundish 600mm max 300mm min Figure 4 3 Typical discharge pipe arrangement ...

Страница 16: ... pre set on position at a temperature of approximately 65 C Refer to Figure 5 1 Installation and wiring instructions for the immersion heater are supplied with each unit The wiring connections are also shown in Figure 5 1 Follow the wiring instructions connecting the live neutral and earth as indicated The immersion heater must be permanently connected to the electrical supply via the Greenbrook T...

Страница 17: ...further information 2 x 2 port zone valves for space heating for two separate heating zones 1 x 2 port zone valve for hot water 1 x 3kW electric immersion heater 1 x Greenbrook T205 C timer for immersion heater 1 x Dual thermostat cylinder thermostat and high limit thermostat These are pre wired to the factory fitted Grant EP001 wiring centre mounted on the cylinder Refer to Section 5 8 and Figure...

Страница 18: ...F2 1A F3 1A F4 1A F5 3 15A F6 5A F8 1A F7 6 3A DANGER HIGH VOLTAGE All Fuses 230Vac Anti surge 1 2 3 4 5 8 9 10 11 14 15 16 17 20 21 22 23 N L N L N L 34 35 36 37 6 7 12 13 18 19 24 L N 33 38 39 40 41 43 44 45 46 47 42 48 49 50 51 52 L L L L L N L L L L L N L L L L L N L L L L L N L L L L L N Spare Clock Stat Pump Clock Stat Pump Clock Stat Pump Clock Stat Pump Clock Cyl Stat Pump Heating Hot wate...

Страница 19: ...HMI IN OUT NC2 C2 NO2 NO1 C1 NC1 OP2 OP1 26 27 28 29 25 30 31 32 Link Motor HW 2 Port Zone Valve DHW ASHP Terminals 1 2 3 4 5 6 7 8 17 18 19 20 21 22 23 24 25 Hot Water Yellow Common Red Link Heating Blue Aerona Heat Pump Motor HTG 2 Port Zone Valve Radiator Circuit Do not connect Motor HTG 2 Port Zone Valve UFH Circuit Do not connect Do not connect Do not connect Do not connect Do not connect ON ...

Страница 20: ...The wiring is incorrect b The immersion heater thermostat or cylinder thermostat fails c Thermostat is set too high To reset the safety cut out 1 Unscrew and remove the nut holding the immersion heater cover in place 2 Remove the immersion heater cover WARNING Before removing the immersion heater cover to either reset the safety cut out or check alter the thermostat setting ensure that the electri...

Страница 21: ...lling loop factory fitted to the cylinder fill the system until all air has been purged refer to Figure 2 2 for component locations 8 Close any manual air vents on the primary circuit 9 Open valve 3 see Figure 6 1 10 Close valve 1 see Figure 6 1 11 Pressurise the system to the intended cold fill pressure Using the filling loop and system pressure gauge factory fitted to the cylinder refer to Figur...

Страница 22: ...e than half a turn Repeat this process for the next radiator in the circuit until the desired flow return temperature difference has been achieved for all heat emitters on the system NOTE Throughout the process of balancing the system it is important to ensure that the heating appliance is continuously operating to provide heat to the space heating circuit 8 Turn the heating appliance off and allo...

Страница 23: ...y have collected in the bottom by using a further hose pipe connected to the cold water main 10 Close the drain cock disconnect the hose refit the immersion heater and close all hot water taps before re opening the stopcock Allow the cylinder time to fill whilst checking for any leaks Release any air from the system by opening each hot water tap individually starting with the one furthest from the...

Страница 24: ...g a tyre pressure gauge and re pressurise as necessary using a suitable pump The expansion vessel charge pressure should always be slightly greater than the maximum static head of the system in bar at the level of the vessel 1 bar 10 2 metres of water The charge pressure must not be less than the actual static head at the point of connection The primary circuit expansion vessel is supplied with a ...

Страница 25: ...ty T P valve Repair or replace thermostat Replace T P valve Test for correct operation If water is still discharging contact a compentant engineer No No No Yes Yes Yes 8 2 CONSTANT WATER DISCHARGE Constant water discharge from T P valve Expansion vessel charge reduced Faulty T P valve Faulty pressure reducing valve Test vessel and recharge or replace Replace T P valve Replace pressure reducing val...

Страница 26: ...ut out operated Check and reset button Check and replace cylinder thermostat Test for correct operation If water is still cold contact a competent engineer Yes Yes Yes Yes Yes No No No No Yes No 8 3 NO FLOW FROM HOT WATER TAPS No flow from hot water taps Mains supply disconnected Check any in line strainers which may be fitted to the system and clean as required Open supply valve or wait for suppl...

Страница 27: ...educe thermostat setting Is cylinder thermostat operating Replace cylinder thermostat Does motorised valve close when thermostat satisfied Repair or replace motorised valve motor Fault Contact engineer Test for correct operation If water is still cold contact a competent engineer No No No No Yes Yes Yes Yes Yes Repair or replace motorised valve Section 8 Fault Finding ...

Страница 28: ...on relief valve 6 bar GCS08 ʺ Temperature and pressure relief valve 90 C 7 bar GCS09 Tundish 15mm 22mm compression GCS10 Control Limit thermostat GCS11 3kW immersion heater element Thermowatt Alloy 800 GCS30 Immersion heater thermostat Thermowatt RTS GCS31 3kW immersion heater element Thermowatt Alloy 800 and thermostat Thermowatt RTS GCS13 Drain cock GCS14 2 port motorised valve 22mm GCS20 19 lit...

Страница 29: ...isposed of according to local regulations using appropriate waste collection and or disposal services DISASSEMBLY There is little risk to those involved in the disassembly of the cylinder or thermal store if the process is undertaken with care and reasonable precautions are taken RECYCLING Many of the materials used in Grant hot water storage cylinders and thermal stores can be recycled as listed ...

Страница 30: ...operates it can be re set Please refer to Section A 1 3 If the problem persists please contact your installer TEMPERATURE SETTINGS The hot water temperatures on the cylinder immersion heater thermostat and dual thermostat should not be set any higher than 65 C otherwise nuisance tripping of either the immersion heater safety cut out or the high limit thermostat in the dual thermostat will occur Th...

Страница 31: ...Grant Engineering UK Limited Service Department on 44 0 1380 736920 who will arrange for a competent service engineer to rectify the fault Remember before you contact Grant Engineering UK Limited Ensure the cylinder has been installed commissioned and serviced by a competent person in accordance with the installation and servicing instructions Ensure the problem is not being caused by the heating ...

Страница 32: ...his guarantee applies to Grant Engineering UK Limited cylinders purchased and installed on the UK mainland Isle of Wight Channel Islands Isle of Man and Scottish Isles only2 Provision of in guarantee cover elsewhere in the UK is subject to agreement with the Company All claims under this guarantee must be made to the Company prior to any work being undertaken Invoices for call out repair work by a...

Страница 33: ...the contents of the cylinder to drop below 65 C This temperature is indicated on the thermostat display refer to Figure A 1 2 Investigate the cause of the overheat situation and rectify any faults 3 Follow steps 1 4 outlined in Section A 1 2 It is possible that this function may operate during transport or while the unit is being manoeuvred into position If this is the case please follow the above...

Страница 34: ...ystem controls by following the guidance outlined in Section 5 of these instructions 5 Replace the wiring cover on the back of the thermostat ensuring the temperature probe is routed through the hole in the centre of the cover Secure it with both screws taking care not to over tighten the screws 6 Reconnect the electrical supply to the thermostat and other heating system controls WARNING Ensure th...

Страница 35: ...ow Green White Brown PL N 1 C 2 Permanent live connection Neutral connection Demand terminal Common terminal Satisfied terminal Temperature probe wiring harness connection Temperature probe wiring order Figure A 1 Digital Dual Thermostat Front View Temperature control dial present Figure A 2 Digital Dual Thermostat Front View Temperature control dial removed Figure A 3 Digital Dual Thermostat Rear...

Страница 36: ... Timer Spur Switch B 2 1 RESET THE DEVICE 1 To fully reset this unit press the recessed Reset button with an insulated probe see Figure B 1 2 A full display will show when the battery is charged then revert to the default screen No display indicates that the battery requires charging for a minimum 3 hour period See Figure B 2 for a representation of the screen s full display Figure B 2 Full displa...

Страница 37: ...ROG to change the programme off times Refer to Figure B 8 Figure B 8 Setting ON OFF times Monday to Friday 5 Use the or buttons to set the OFF times in the same way as for PROG 1 ON time 6 Press PROG to scroll through program 2 ON program 2 OFF program 3 ON program 3 OFF program 4 ON program 4 OFF adding in times as required If you wish to omit programmes just leave dashes in that ON OFF location ...

Страница 38: ... omit the program Refer to Figure B 15 OFF Output to permanently OFF and omit the program Refer to Figure B 16 ON AUTO Output to ON until next program OFF period Refer to Figure B 17 OFF AUTO Output to OFF until next program ON period Refer to Figure B 18 Figure B 15 ON Figure B 16 OFF Figure B 17 AUTO ON Figure B 18 AUTO OFF B 2 7 ONE AND TWO HOUR BOOST 1 Press boost once in normal operating mode...

Страница 39: ...icate that can be accepted as evidence of compliance with the appropriate Building Regulations 4 Failure to install and commission this appliance to the manufacturer s instructions may invalidate the guarantee refer to Section 13 Guarantee Installer Commissioning Engineer Details Company Name Date Company Address Installer Name TEL No Registration Details Registered operative ID card NO if applica...

Страница 40: ...coming Water Supply Information What is the incoming static cold water pressure at the inlet to the pressure reducing valve _________________________ Bar Has strainer if fitted been cleaned of installation debris YES NO Has a water scale reducer been fitted YES NO What type of scale reducer has been fitted Hot Water Cylinder Information Are combined temperature and pressure relief valve and expans...

Страница 41: ...th the manufacturer s instructions YES Have you demonstrated the operation of the system controls to the customer YES Have you left all the Manufacturer s literature with the customer YES Competent Person s Signature Customer s Signature To confirm demonstrations of equipment and receipt of appliance instructions Appendix C Installation Commissioning and Service Record Log Book ...

Страница 42: ...e Service 2 Date Engineer name Company name TEL No Comments Signature Service 3 Date Engineer name Company name TEL No Comments Signature Service 4 Date Engineer name Company name TEL No Comments Signature Service 5 Date Engineer name Company name TEL No Comments Signature Service 6 Date Engineer name Company name TEL No Comments Signature Service 7 Date Engineer name Company name TEL No Comments ...

Страница 43: ...NOTES Page 43 Notes ...

Страница 44: ...GRANT ENGINEERING UK LIMITED Hopton House Hopton Industrial Estate Devizes Wiltshire SN10 2EU Tel 44 0 1380 736920 Fax 44 0 1380 736991 Email info grantuk com www grantuk com ...

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