WarmFlow A Series, User Instructions, Page: 55 / 89

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3.11.5 Sign Off
The commissioning certificate must be signed by the commissioning engineer, with a copy sent
to Warmflow and a copy to remain with the appliance.
All product warranties will be invalidated if the appliance is not commissioned by a
Warmflow engineer or other trained and competent engineer and the combined
installation/commissioning certificate (See Section 0 of this manual) returned to Warmflow
within 30 days from the date of installation and 90 days from the date code stamped on the
appliance.
3.12 System Hand Over
After installation and commissioning has been completed, a handover package should be
completed by the installer and delivered to the house holder. This handover package will include
the following:

Instructions explaining the operation of the complete system (this user manual).

Final plans of the system layout to include; heating circuit design together with all
equipment and piping used.

Electrical Schematic of sensor and input/output connections outside of the heat pump unit.

The results of commissioning tests.

Contact details of the installer.
The installer should explain the components of the handover package to the householder.
3.13 Servicing
3.13.1 Servicing Schedule
The appliance must be serviced at least annually or as indicated by the user interface controller
(whichever occurs sooner) by a Warmflow Engineer or other competent Engineer. This is
necessary in order to optimise performance of the appliance and to ensure its efficiency and
safety for the user.
The below table is a typical list of service operations, however it is not exhaustive.
Item Inspect Clean Test
Electrical Connections

Heating Circuit Filter
 
Inhibitor Concentration of Heating Solution  
Glycol Concentration of Heating System*
 
Heating Circuit Pressure 
Heating Manifold

Heating Pipework & Sealing

Heating Circuit Safety Devices
 
Heating Flow Rate  
Insulation Inside Unit

Replace any defective components if necessary.