Benchmark Checklist and Service Records
138 Installation and Maintenance
© Heating and Hotwater Industry Council (HHIC)
www.hhic.org.uk
* All installations in England and Wales must be notied to Local Authority Building Control (LABC) either directly or through a
Competent Persons Scheme. A Building Regulations Compliance Certicate will then be issued to the customer.
Issue date: 20.08.2020
AIR TO WATER HEAT PUMP COMMISSIONING CHECKLIST
Address:
Heat Pump make and model:
Heat Pump serial number:
Commissioned by (PRINT NAME): Certied 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 notication? Yes
H e a t i n g z o n e v a l v e s ( i n c l u d i n g u n d e r o o r l o o p s ) pre-existing Fitted Not required
H o t w a t e r z o n e v a l v e s pre-existing Fitted Not required
Thermostatic radiator valves pre-existing Fitted Not required
O u t d o o r S e n s o r pre-existing Fitted Not required
Heat Pump Safety Interlock (3) pre-existing Fitted Not required
A u t o m a t i c b y p a s s t o s y s t e m pre-existing Fitted Not required
Buer Vessel Fitted Yes No If yes volume: Litres
Plate Heat Exchanger tted to give hydronic separation of the heat pump circuit to the heating circuit Yes No
Expansion vessel for heating is sized, tted & 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)
System has been cleaned and treated in accordance with BS 7593:2019 and heat pump 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
System lter tted in accordance with BS7593 : 2019? Yes
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 tted on a solid/stable surface capable of taking its weight Ye s
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 lled 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 tted? Yes Not required
Building Regulations Notication Number (if applicable) (2)
MCS installer registration Number (if applicable) MCS product certication number (if applicable)
F-gas certication number (split heat pump only)
G3 certication 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 R e f r i g e ra n t w e i g ht ( to t a l ) 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 tted Yes
If Yes – boiler model switching point – (Quote Tari or Temperature Level)
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