MHG Heating Unvented Calorifer Range Installation And Operating Manual Download Page 15 | Manualshive

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© MHG Heating Ltd

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MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR

Phone 0845 6448802 Telephone. 0845 6448803 Fax. Email

[email protected]

Website www.mhgheating.co.uk

010313

Draft

Notes.

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Summary of Contents for Unvented Calorifer Range

Page 1: ...t 4 Epsom Downs Metro Centre Waterfield Tadworth Surrey KT20 5LR Phone 0845 6448802 Telephone 0845 6448803 Fax Email info mhgheating co uk Website www mhgheating co uk 010313 Draft Unvented Calorifer Range Installation and Operating Manual ...

Page 2: ...3 Connections Single Coil Indirect Unit 4 Twin Coil Indirect Unit 4 Unvented Items Supplied 5 Dimension Single Coil Indirect 90 500 5 Single Coil Indirect 90 500 High Recovery 5 Twin Coil Indirect 90 500 6 Single Coil Indirect 600 1000 6 Direct 90 500 6 Installation Procedure 7 Performance Data 7 Commissioning Operating 9 Building Regulations 10 Discharge Pipes 10 Notes on Water Quality and Scalin...

Page 3: ...anty Do not remove or adjust any component part of this unvented water heater Contact the installer If this unvented water heater develops a fault such as a flow of hot water from the discharge pipe switch the heater off and contact the installer WARNING TO INSTALLER This installation is subject to building regulation approval notify Local Authority of intention to install Use only manufacturer s ...

Page 4: ...its 5 Thermostat Pocket 22mm Indirect unit Only 22mm Indirect unit Only 22mm Indirect unit Only 6 Temperature and Pressure Relief Valve Fitted Fitted Fitted Twin Coil Indirect Unit Description Connection Size 90 300L Connection Size 400 500L Connection Size 600 1000L J Cold Fill 22mm 28mm 28mm D Boiler Primary Flow and Return 22mm 28mm 28mm B Hot Water 22mm 28mm 28mm F Immersion Element 3kW 1 Phas...

Page 5: ...Valve Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Cylinder Thermostat Indirect Only Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Energy Cut Off valve 2 Port Spring Return Zone Valve Indirect Only Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Tundish Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Expansion Vessel 8L Yes Expansion Vessel 12L Yes Yes Expansio...

Page 6: ...psom Downs Metro Centre Waterfield Tadworth Surrey KT20 5LR Phone 0845 6448802 Telephone 0845 6448803 Fax Email info mhgheating co uk Website www mhgheating co uk 010313 Draft Twin Coil Indirect 90 500 Single Coil Indirect 600 1000 Direct 90 500 ...

Page 7: ... draw off mins High Recovery Heat Up Time to 55C mins High Recovery Reheat time to 60C after 70 draw off mins 90 125 750 510 26 18 13 9 125 165 935 510 36 25 19 13 150 195 1060 510 37 26 19 13 170 220 1200 510 36 25 19 13 200 250 1120 554 33 24 17 12 250 310 1330 554 35 25 18 13 300 360 1650 554 40 29 20 15 400 480 1590 660 46 34 23 18 500 580 1835 660 52 39 25 20 600 715 1435 822 69 34 51 29 700 ...

Page 8: ... at least 300mm of straight metal pipe below it before any elbow or bend The pipework below the tundish should be fitted in accordance with the current edition of the Building Regulations The discharge from the expansion valve on the Inlet Control Group must be connected into the discharge pipe work We recommend a double check valve should be fitted to the hot water draw off to prevent any back pr...

Page 9: ...er control setting is set between 55 C and 65 C for economical operation The upper limit thermostat is set to 80oC and must not be tampered with Commissioning Operating Ensure all connections are fully tightened Open all of the hot taps supplied by the cylinder and slowly fill the unit by opening the service valve Continue to fill the unit until water runs continuously from all of the open taps Op...

Page 10: ...b Have a vertical section of pipe at least 300mm long below the tundish before any elbows or bends in the pipework c Be installed with a continuous fall d Have discharges visible at both the tundish and the final point of discharge but where this is not possible or is practically difficult there should be clear visibility at one or other of these locations Examples of acceptable discharge arrangem...

Page 11: ...e of all water storage appliances and their associated components may deteriorate if you do not protect adequately against hard water scaling If more than 150ppm salts are present in local water samples an effective conditioner should always be used Maintenance The following checks should be conducted annually Check the operation of the T P valve and Expansion valve by rotating the heads of the va...

Page 12: ... and maintained in accordance with the installation instructions The product has not been subjected to damage caused by frost or other external influence The Guarantee Card supplied with the product has been completed and returned within 90 days of installation The immersion heater water control valves cylinder thermostat expansion vessel and energy cut out valves are guaranteed for two years from...

Page 13: ... 13 MHG Heating Ltd Unit 4 Epsom Downs Metro Centre Waterfield Tadworth Surrey KT20 5LR Phone 0845 6448802 Telephone 0845 6448803 Fax Email info mhgheating co uk Website www mhgheating co uk 010313 Draft Fault Finding ...

Page 14: ...313 Draft Installed by Name Address Tel No Completion Date Unit Type Indirect Direct APPLIANCE SERIAL NO Capacity Weight In Service Record Activity Date Parts Replaced Installer Names and Unvented Registration number Installed Commissioned 1st Service 2nd Service 3rd Service 4th Service 5th Service 6th Service 7th Service 8th Service 9th Service 10th Service 11th Service 12th Service 13th Service ...

Page 15: ... Ltd 15 MHG Heating Ltd Unit 4 Epsom Downs Metro Centre Waterfield Tadworth Surrey KT20 5LR Phone 0845 6448802 Telephone 0845 6448803 Fax Email info mhgheating co uk Website www mhgheating co uk 010313 Draft Notes ...

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