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- Page 1 PRE-PLUMBED HEAT PUMP CYLINDER UNVENTED MAINS PRESSURE HOT WATER STORAGE INSTRUCTION MANUAL DESIGN, INSTALLATION & SERVICING The UK’s Number One Cylinder Manufacturer WWW.GLEDHILL.NET GPL014-IU-Iss03 -04/25...
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Page 2: Table Of Contents
In the interest of continuously improving the Pre-plumbed Heat Notes Pump Cylinder range, Gledhill Building Products Limited reserve the right to modify the product without notice, and in these circumstances this booklet, which is accurate at the time of printing, should be disregarded. An updated set of Instructions will be produced and supplied with new appliances and will be made available for other appliances on request. -
Page 3: Design
If you heat pump does not have a thermistor; a control thermostat Re-fill the system and ensure that all relief can be purchased from Gledhill building products, part code XC010, Item 14 in the valves have re-seated. spare parts list on page 30. -
Page 4: Technical Information
DESIGN Table 1 Gledhill Basic Heat Pump 550 mm Diameter Cylinder Model Spec HP180IND HP210IND Product Stock Code PLUHP180BPP PLUHP210BPP Energy efficiency class Heat loss watts kWh/24h 1.18 1.33 Capacity - total volume litres Volume heated by IH litres Weight - empty/full... - Page 5 DESIGN Table 2 Gledhill Basic Heat pump 475mm diameter Cylinder Model Spec HP150SL HP180SL Product Stock Code PLUHP150BPPSL PLUHP180BPPSL Energy efficiency class Heat loss watts kWh/24h 1.21 Capacity - total volume litres Volume heated by IH litres Weight - empty/full...
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Page 6: System Design
DESIGN Pre-Plumbed Heat Pump Cylinder Basic Appliance Hot water draw off (22mm) compression Cold feed (22mm plain pipe) Balanced cold feed Lift up temperature & pressure relief valve 95°/6 bar Tundish Hot water secondar y return (22mm compression, not fitted to smaller sizes, see table 1) Overheat stat Drain valve... - Page 7 DESIGN Pre-Plumbed Heat Pump Cylinder Slimline Basic Appliance Hot water draw off (22mm) compression Cold feed (22mm plain pipe) Balanced cold feed Lift up temperature & pressure relief valve 95°/6 bar Tundish Overheat stat Drain valve Immersion heater 1¾” BSP 3kW Primary return (28mm plain pipe) 10.
- Page 8 DESIGN Pre-plumbed Heat Pump Cylinders are a range of unvented hot water storage cylinders, manufactured in the latest high quality duplex stainless steel. They are designed to provide mains pressure hot water and are supplied as a package which complies with Section G3 of the Building Regulations. The appliance is extremely well insulated using high density HCFC free foam insulation with an ozone depleting potential (ODP) of zero and a global warming potential (GWP) of 2.
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Page 9: Installation
INSTALLATION General Design Considerations The pipe connecting the heat pump flow to The cupboard foot print for a 475mm diameter product is a minimum of 600mm by the appliance must not be less than 22mm 600mm, for a 550mm product it is a minimum of 650mm by 650mm. copper or equivalent. - Page 10 When sizing the hot water cylinder, please use HP180SL 1 bathroom MCS guidelines in MIS3005 and also refer to BS HP180IND EN 806:1-5 AND BS EN 8558. HP180SL 1 bathroom + 1 shower room HP180IND...
- Page 11 INSTALLATION Heat exchanger Pressure loss table Pressure loss [Bar] at Pressure loss [Bar] at various flow rate l/min Heat pump heat exchangers 15 l/min Surface area Product Stock Code 8.33 16.67 25.00 33.33 1.8 m² PLUHP150SL 0.028 0.000 0.008 0.049 0.114 0.225 PLUHP180...
- Page 12 INSTALLATION HWA HP Class 1: Test 55 degrees C HP flow temp, 50degrees C cylinder target temperature 55.0 50.0 45.0 HP150SL HP180 HP180SL HP210 40.0 35.0 30.0 20.0 40.0 60.0 80.0 100.0 120.0 140.0 160.0 180.0 INSTALLATION Page 12...
- Page 13 INSTALLATION HWA HP Class 1: Test 65 degrees C immersion target temperature. Draw off profile. 70.0 65.0 60.0 55.0 HP150SL HP180 50.0 HP180SL HP210 45.0 40.0 35.0 30.0 20.0 40.0 60.0 80.0 100.0 120.0 140.0 160.0 180.0 200.0 INSTALLATION Page 13...
- Page 14 INSTALLATION General Restrictions Pipe Layout The highest hot or cold water draw off point should not exceed 10 metres above In all mains pressure installations it is important the Pressure Reducing Valve. to remember that the incoming cold supply An ascending spray type bidet or any other appliance with a Class 1 back- must be shared between all terminal fittings.
- Page 15 INSTALLATION Pressure & Temperature/expansion Relief Typical Discharge Pipe Arrangement Valve Pipework Expansion 15 mm The relief valve should be installed to discharge relief valve discharge in accordance with G3 of the Approved pipe Document of the Building Regulations and should be piped to where it is visible, but will not cause danger to persons or damage to 600 mm max.
- Page 16 Gledhill Building Products Limited are used. All parts are available to approved installers from Gledhill Building Products Limited, Sycamore Estate, Squires Gate, Blackpool (Telephone 01253 474402).
- Page 17 INSTALLATION Temperature/pressure Relief Valve Control/overheat Thermostats This safety device is also pre-set at the factory and relieves before the temperature Care must be taken to ensure that the probes reaches 100°C. It is also a Pressure Relief Valve, and is pre-set to 6 bar. are fully inserted into the pockets provided.
- Page 18 Safety Gledhill Pre-plumbed Heat Pump Cylinders are fitted with a combined temperature and pressure relief valve to cope with any increase in temperature and pressure in the cylinder above the design limits, when used with heat sources up to 45kW total output.
- Page 19 If there is any posiblity that the hot water temperature in the cylinder will become excessivly high above 65 °C; then a tempering valve must be fitted. This product can be supplied from Gledhill building products. Part number XC007. Care must be taken to ensure that the valve is installed in the correct orientation.
- Page 20 INSTALLATION INSTALLATION Page 20...
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Page 24: Commissioning
Warranty as the disinfection agent can cause damage unless the appliance is adequately flushed conditions offered by Gledhill. and refilled with the mains water immediately on completion of the disinfection procedure. Damage caused through a failure to do this adequately will not be covered by the warranty. -
Page 25: User Instructions
USERS INSTRUCTIONS Your Pre-plumbed Heat Pump Cylinders unvented cylinder is automatic in normal use, but requires routine maintenance which is normally carried out at least annually along with the heat pump service. The maintenance must be carried out by a suitably competent tradesperson who is qualified to work on unvented cylinders. -
Page 26: Servicing And Maintenance
The installer must also make his customer aware that periodic maintenance of the equipment is essential for safety. Maintenance periods will vary for many reasons. Gledhill Building Products Ltd recommend a maximum of 12 months to coincide with heat pump maintenance. - Page 27 If the cold water pressure is too high, this would suggest that the Pressure Reducing Valve is at fault and the Gledhill approved replacement should be fitted. If the pressure is correct then the Relief Valve will require replacing with a Gledhill approved component.
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Page 28: Fault Finding
FAULT FINDING FAULT - No Hot Water START Is heat pump on? Switch on Is hot water programmer Set programmer in ‘on’ position? Is zone valve in Re-set, check wiring & correct position? plumbing is correct Is control temperature Re-set set at 45ºC - 50ºC? Is all wiring to the Has high limit cut out? - Page 29 FAULT FINDING FAULT - Water Discharge Into Tundish START Is pressure downstream of pressure reducing valve correct? Is valve seal and seat Clean or replace clean & undamaged? as required Recommission Is heater operating at Is expansion vessel expansion less than 60ºC? charge pressure correct? vessel pressure Is ERV/TPRV...
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Page 30: Short Parts List
SHORT PARTS LIST SPARE PARTS LIST Description Quantity Stock Code No. 3kW immersion heater assembly supplied with a fixed thermostat 68°C, incorporates a SH018 manual reset overheat thermostat Immersion heater valiable thermostat compatible with SH018, incorporates a manual SH007 overheat thermostat, supplied set at 55°C (spec TSR00014 ) 3kW Titanium immersion heater assembly SH002 22mm 90°... - Page 31 APPENDIX Water Savings Water Related Costs Can Be Reduced By Good Plumbing Practice 2 tap 5, 6 or half open Over 8 l/m 20 l/m Unregulated Fitted with regulator TAPS & MIXERS 4 Fixing Options For Taps & Mixers MK Range - Combined Regulators & Aerator for screwing onto Taps &...
- Page 32 APPENDIX MANUAL HANDLING OF APPLIANCE PRODUCTS Description e. Taking the lead for team lifts- As more than one person is required for these products ensure that one Manual handling means any transporting or supporting of a load (including lifting, person is taking the lead. This may putting down, pushing, pulling, carrying or moving) by hand or bodily force.
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Page 33: Warranty Information
Regulations in force at the time of installation. • No factory fitted parts have been removed for unauthorised repair or replacement and the product has not been modified - other than by Gledhill. • Any replacement parts used should be authorised, approved Gledhill spare parts. -
Page 34: Terms And Conditions
IT SHOULD BE NOTED THAT THE FACTORY FITTED TEMPERATURE AND PRESSURE RELIEF VALVE (i) economic loss which shall include loss MUST NOT BE REMOVED OR ALTERED IN ANY WAY OR THE GUARANTEE WILL NOT BE VALID. GLEDHILL WILL of profits, business revenue, goodwill or NOT BE RESPONSIBLE FOR ANY CONSEQUENTIAL LOSS OR DAMAGE HOWEVER IT IS CAUSED. - Page 35 PRODUCT DEVELOPMENT events, namely :- Gledhill have a policy of continuous product development (i) if the Purchaser fails to make payment in full for the goods within the time stipulated in clause 4 hereof. and may introduce product modifications from time to time.
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Page 36: Benchmark Checklist
demonstrating compliance with the appropriate Building Regulations and then handed to the customer to keep for future reference. Failure to install and commission this equipment to the manufacturer’s instructions may invalidate the warranty but does not affect statutory rights. MAINS PRESSURE HOT WATER STORAGE SYSTEM COMMISSIONING CHECKLIST Customer name: Telephone number: Address:... -
Page 37: Benchmark Service Record
SERVICE RECORD It is recommended that your hot water system is serviced regularly and that the appropriate Service Record is completed. Service Provider Before completing the appropriate Service Record below, please ensure you have carried out the service as described in the manufacturer’s instructions. SERVICE 01 SERVICE 02 Date:... -
Page 38: Notes
NOTES NOTES Page 38... - Page 39 NOTES NOTES Page 39...
- Page 40 T: 01253 474550 E: enquiries@gledhill.net Due to a programme of continuous improvement Gledhill Building Products reserve the right to modify products without prior notice. It is advisable to check the product technical detail by using the latest design and installation manuals available from our technical support team or on our website.It is an...
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