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Gas Appliance Guide

www.gasapplianceguide.co.uk

Single Coil Heat Pump Cylinders

for Vented and Unvented systems

Hot water for your domestic dwelling gathered by heat pump

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Heat pumps providing vented and unvented domestic hot water


Heat pump technology

might appear like science fiction to many observers, but in reality this method of retrieving heat has been with us for decades. More or less every home these days will have a refrigerator. In short, a fridge works in much the same way - extracting heat from its interior then dumping it (This is why it feels warm at the back of a fridge). Heat pumps work in much the same way, but instead of dumping the extracted energy it is fed to a compatible cylinder where it heats water for domestic use.

Heat pumps can obtain heat from different sources. 'Ground Source' heat pumps, as the name suggests, capitalise on the store of heat within the ground around us. By laying lengths of pipe to an appropriate depth ground source heat can be extracted. Air recovery systems can extract heat from warm air before it is exhausted from a building.

Heat pump cylinders

differ from their standard counterparts is so far as heat exchanger technology. Whilst they utilise heat exchangers, the type used present a much larger surface area. This is achieved by using radial fins on the heat exchanger tubing affording better heat transfer. Heat pump cylinders are available as single coil or twin coil models with solar coil for vented or unvented water systems. Please check the appropriate model for your system.

Outputs from heat pumps vary. You should refer to the technical specification that accompanies your particular unit for fuller detail. This information can then be incorporated to identify the most suitable cylinder setup.

Vented and Unvented

Energy may be gathered in cylinders that are vented (fed by a gravity cold water supply) or unvented (fed directly from the cold water main) according to your household plumbing requirement.

Note: Never attempt to use a 'vented type' cylinder in an 'unvented system'. 'Unvented type' cylinders are designed to operate at much higher pressures that their 'vented' counterparts. Failure to observe this warning can result in explosion, serious damage to property, injury and death.

Single Coil Heat Pump Cylinders

Special Offers on these units
Size Capacity Description Price
(mm) (litres) including VAT

Single Coil Heat Pump Cylinder Vented (gravity pressure)

1500 x 400 172 SCHP-V-1500 / 400 483.79
1800 x 400 210 SCHP-V-1800 / 400 538.36
1050 x 450 144 SCHP-V-1050 / 450 465.68
1200 x 450 168 SCHP-V-1200 / 450 487.36
1300 x 450 184 SCHP-V-1300 / 450 502.78
1500 x 450 210 SCHP-V-1500 / 450 540.68
1800 x 450 250 SCHP-V-1800 / 450 590.83
1500 x 500 250 SCHP-V-1500 / 500 791.71
1800 x 500 320 SCHP-V-1800 / 500 849.33

Single Coil Heat Pump Cylinder Unvented (mains pressure)

1600 x 400 180 SCHP-UNV-1600 / 400 1,185.52
1800 x 400 210 SCHP-UNV-1800 / 400 1,223.11
1050 x 450 140 SCHP-UNV-1050 / 450 1,096.21
1200 x 450 165 SCHP-UNV-1200 / 450 1,157.00
1300 x 450 180 SCHP-UNV-1300 / 450 1,185.52
1500 x 450 210 SCHP-UNV-1500 / 450 1,202.55
1800 x 450 250 SCHP-UNV-1800 / 450 1,372.90
1500 x 500 250 SCHP-UNV-1500 / 500 1,408.16
1800 x 500 300 SCHP-UNV-1800 / 500 1,478.94
     
     
Ancilliary Equipment if required    
     
Immersion Heater     42.00
Steel Casing     345.00

For TWIN COIL (HP & SOLAR) cylinders click here

For TWIN COIL (BOILER & SOLAR) cylinders click here

HP coil to be 2 x 6mtr finned coils on 28mm headers giving 3.24m2 heating surface.

Supplied with 2 immersion heater bosses on 250ltr and 300ltr units.

Please note: Dimensions do not include thickness of insulation

Vented Heat Pump

Cylinder Schematic

 

Unvented Heat Pump

Cylinder Schematic

Heat Pump cylinder diagram
HPCyl Cylinder Connections
Letter on Diagram Connection type
A Cold feed
B Hot draw off
C Heat Pump flow
D Heat Pump return
E 1/2" Female auxillary port and/or high limit stat
F Immersion heater (Optional 2nd Immersion available)
G 10mm Stat pocket (can be ommitted)
H Temperature and Pressure relief valves
I Secondary return
J Expansion vessel connection
K Tundish
L Drain

Heat Pump Solar cylinder diagram

 

 

 


 

Whatever your requirement, please don't hesitate to call our friendly support team who will be happy to help you with useful advice and assist through the ordering process.

 

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