Dimplex A Class User Manual page 3

WARNINGS
Installation and any service work on the heat pump may only be performed by authorised and qualified installer
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and after-sales service technicians.
This device is not suitable for operation with an electrical generator and any attempt to do so will void warranty.
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If the heat pump may be disconnected from power supply for prolonged periods of time or where power
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supplies are susceptible to failure, antifreeze must be added to the system.
Additional heating may be required if heat pump is intended to dry out a new or renovated building, as the
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initial heat load will be higher than the calculated load.
Products not installed with the Dimplex hydraulics packs will not be supported by Dimplex. This includes but is
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not limited to thermal stores.
This appliance can be used by children aged from 8 years and persons with reduced physical, sensory or
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mental capabilities, or lack of experience and knowledge, provided that they have been given supervision or
instruction concerning use of the appliance in a safe way and understand the hazards involved. Children must
not play with the appliance. Cleaning and user maintenance must not be carried out by children without
supervision.
HEAT PUMP MAINTENANCE
IMPORTANT - DEFROST INFORMATION
During colder weather, frost builds up on the evaporator coil inside the heat pump. If this frost remains in the
evaporator, it will cause blockages and will prevent air from flowing efficiently through the heat pump, which will result
in poor performance. Therefore, when frost starts to form on the evaporator coil, the heat pump runs a defrost cycle.
This lasts for approximately 4 minutes and melts any frost that is present.
Approximately 2 litres of condensate water is drained from the system every time a defrost cycle occurs. Therefore, it
is essential that this water is drained correctly. The heat pump is supplied with a condensate pipe which must be fed
into a drain or soak away to allow for safe disposal of the excess water. This will prevent icy patches forming on
footpaths or patios in colder weather
Please see section 9 of the Installation manual for 'System Health Checks / Maintenance' advice.
NOTE: During the defrost cycle, the heat pump may operate more loudly than usual. Any extensive noise is due to
the compressor, and will stop when the defrost cycle is finished.
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