User`s guide

Page 32
Section 10: Annual System Health checks
The following items should be verified to ensure
efficient operation of the system:
Heat pump
 Check the fan is clear from debris.
 Check there is no abnormal sound during
operation.
Electrical
 Power cable is firmly fixed.
 Earth wire connection is secure.
 RCCB operation is normal.
 Supply voltage is correct.
Hydraulic
 Water pressure higher than 1 bar.
 Pressure relief valve operation is normal.
 The filter is clear of debris.
 Check entire system for leaks.
Cylinder
 Set temperature is correct for efficient
operation.
 Check the high temperature cut out stat on the
cylinder immersion and inline flow boiler have
not tripped.
 Temperature and pressure relief is operating
correctly.
For full maintenance details for the cylinder consult the
relevant instruction manual.
Wall mounted thermostat
 The set temperatures and heating periods are
suitable for the occupants life style.
Heat pump controller
 LCD control panel operation is normal.
 Enquire if the user is warm enough and reduce
the weather compensation curve to maximise
the heat pump efficiency.
Before opening the device, ensure that
all circuits are isolated from the power
supply.
Never use cleaning agents containing
sand, soda, acid or chloride as these
can damage the surfaces.
Any work on the heat pump may only be
performed by authorised and qualified
after-sales service technicians.