© Heating and Hotwater Industry Council (HHIC)
www.hhic.org.uk
* All installations in England and Wales must be notified to Local Authority Building Control (LABC) either directly or through a
Competent Persons Scheme. A Building Regulations Compliance Certificate will then be issued to the customer.
Issue date: 13.08.2020
AIR TO WATER HEAT PUMP COMMISSIONING CHECKLIST
Address:
Heat Pump make and model:
Heat Pump serial number:
Commissioned by (PRINT NAME):
Certified Operative Reg number (1):
Company name:
Telephone number:
Company email:
Company address:
Commissioning date:
Heating and hot water system complies with the appropriate Building Regulations? Yes
DNO notification? Yes
Heating zone valves (including underfloor loops)
pre-existing
Fitted
Not required
Hot water zone valves
pre-existing
Fitted
Not required
Thermostatic radiator valves
pre-existing
Fitted
Not required
Outdoor Sensor
pre-existing
Fitted
Not required
Heat Pump Safety Interlock (3)
pre-existing
Fitted
Not required
Automatic bypass to system
pre-existing
Fitted
Not required
Buffer Vessel Fitted
Yes
No
If yes volume:
Litres
Plate Heat Exchanger fitted to give hydronic separation of the heat pump circuit to the heating circuit
Yes
No
Expansion vessel for heating is sized, fitted & charged in accordance with manufacturer’s instructions
Yes
Legionella protection for stored hot water provided by timed temperature control?
Yes
Water Treatment – SYSTEM AND HEAT PUMP (Tick the appropriate boxes/Measure and Record)
The system has been flushed/cleaned and a suitable inhibitor applied upon final fill in accordance with BS7593 and manufacturers instructions ?
Yes
What system cleaner was used?
Brand:
Product:
What heating system inhibitor was used? Brand:
Product:
What heat pump system anti-freeze/inhibitor was
used? (monoblock only)
Brand:
Product:
% concentration
Heat Pump outdoor unit (Tick the appropriate boxes/Measure and Record)
Is the heating system adequately frost protected and pipes insulated to prevent heat loss?
Yes
Split only: The refrigerant circuit has been evacuated and charged in accordance with manufacturer’s instructions
Yes
The heat pump is fitted on a solid/stable surface capable of taking its weight
Yes
The necessary heat pump defrost provision been put in place
Yes
The heat pump fan free from obstacles and operational
Yes
Condensate drain installed to manufacturer’s instructions
Yes
CENTRAL HEATING MODE (Tick the appropriate boxes/Measure and Record)
The heating system has been filled and pressure tested
Yes
Heating Flow Temperature
0
C
Heating Return Temperature
0
C
System correctly balance/rebalanced
Yes
DOMESTIC HOT WATER MODE (Tick the appropriate boxes)
Is the heat pump connected to a hot water cylinder?
Unvented
Vented
Thermal Store
Not connected
Hot water cylinder size
Litres
Stored hot water temperature
0
C
Hot water has been checked at all outlets
Yes
Have Thermostatic Blending Valves been fitted?
Yes
Not required
Building Regulations Notification Number (if applicable) (2)
MCS installer registration Number (if applicable)
MCS product certification number (if applicable)
F-gas certification number (split heat pump only)
G3 certification number (if applicable)
Heat Pump Type (Tick)
Split
Monoblock
Peak heat loss of building kW
Is Heat Pump Installed as part of a cascade? Yes
Cascade Heat Pump Series
( ) of ( )
Heat Pump Refrigerant Type
Refrigerant weight
kg
Electrical and Hydronic Controls – SYSTEM AND HEAT PUMP (Tick the appropriate boxes)
Time and temperature control to heating
Room thermostat and programmer/timer
Programmable Roomstat
Load/weather compensation
Optimum start control
Time and temperature control to hot water
Cylinder thermostat and programmer/timer
Combined with Heat pump main controls
Hybrid system – synchronised control of boiler and heat pump fitted
Yes
If Yes – boiler model switching point – (Quote Tariff or Temperature Level)
