ASHP Post Installation Inspection

• Conducted on

  Date

• Prepared by

• Location
  Address

• Is the correct size breaker used for heat pump?

  Yes

  No

  N/A

• Is an isolation switch installed for the heat pump and mounted on a fixed structure out beside the heat pump?

  Yes

  No

  N/A

• Is the correct size power supply cable used for heat pump?

  Yes

  No

  N/A

• Is the correct communication cable installed and wired unto correct terminals?

  Yes

  No

  N/A

Cylinder Wiring

• Is the correct sized breaker used for controller on cylinder?

  Yes

  No

  N/A

• Is an isolation switch installed for controller and mounted on a fixed structure beside controller?

  Yes

  No

  N/A

• Is the correct size power supply cable used for controller on cylinder?

  Yes

  No

  N/A

• Is the correct communication cable installed and wired into correct terminals?

  Yes

  No

  N/A

• Is the flow switch switch wired back into correct terminal on control panel?

  Yes

  No

  N/A

Heating Controls / Stats Wiring

• Is each zone/floor corresponding with the correct zone valve?

  Yes

  No

  N/A

• Are all heating controls powered from controller on cylinder?

  Yes

  No

  N/A

• Are all heating controls wired & working?

  Yes

  No

  N/A

Heat Pump Mounting

• Is the unit installed the correct distance from nearest boundaries?

  Yes

  No

  N/A

• Is the unit secured correctly to antivibration mounts via rubber mounts?

  Yes

  No

  N/A

• Is the unit mounted plumb level?

  Yes

  No

  N/A

• Is a condensate drain kit fitted (drain kit located inside HP access door)?

  Yes

  No

  N/A

• If the unit is mounted on wall brackets; is a drip tray installed?

  Yes

  No

  N/A

Heat Pump Plumbing (Outdoor)

• Is the correct size pipework used?

  Yes

  No

  N/A

• Are flexible antivibration hoses fitted and washers used?

  Yes

  No

  N/A

• Are heat pump isolation valves fitted out at the heat pump?

  Yes

  No

  N/A

• Is the flow and return pipework connected correctly?

  Yes

  No

  N/A

• Is the primary flow pipework insulated?

  Yes

  No

  N/A

Cylinder Plumbing (Indoor)

• Is the flow switch installed on the primary pipework and fitted in the correct orientation?

  Yes

  No

  N/A

• Is the flow switch installed on the primary horizontal pipework with 150mm pipework each side free of a bend or appliance?

  Yes

  No

  N/A

• Is flow and return pipework connected the right way around?

  Yes

  No

  N/A

• Is the heating expansion vessel correctly sized, secured and charged to to the correct pressure?

  Yes

  No

  N/A

• Are all pump valves and isolation valves fully open?

  Yes

  No

  N/A

• Has system been completely flushed of air and charged to the correct operating pressure of 2 bar?

  Yes

  No

  N/A

• Are all safety valves and tundish drained through a metal pipe to an appropriate drain point?

  Yes

  No

  N/A

Radiator / UFH Plumbing

• Has all air been removed from emitters?

  Yes

  No

  N/A

• Have all emitters been balanced correctly?

  Yes

  No

  N/A

• If UFH is installed, have the correct flow rates been set?

  Yes

  No

  N/A

• If UFH is installed, are all valves on manifolds / pumps fully open?

  Yes

  No

  N/A

Additional ASHP Checklist

• Unit clearances are correct?

  Yes

  No

  N/A

• Anti-freeze valves fitted or glycol installed in the system?

  Yes

  No

  N/A

• All pipework in cylinder cupboard insulated?

  Yes

  No

  N/A

• Isolation valve fitted on cold inlet?

  Yes

  No

  N/A

• Inlet control group valve fitted in incoming cold with 3m of cylinder?

  Yes

  No

  N/A

• D1 size (max 600mm away from temperature relief valve)?

  Yes

  No

  N/A

• D2 pipework minimum 300mm before the 1st bend?

  Yes

  No

  N/A

• Potable expansion vessel fitted on cold feed between inlet valve and cylinder?

  Yes

  No

  N/A

• Expansion vessel on heating (check pressure is the same on PRV - 3 bar)?

  Yes

  No

  N/A

• Flow switch must be installed in horizontal pipework, allowing a minimum of 150mm horizontal pipework on each side of the flow switch?

  Yes

  No

  N/A

• Lever valves fitted?

  Yes

  No

  N/A

• Hot water outlet starts in 22mm pipe - can be reduced?

  Yes

  No

  N/A

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