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Installation
8.3.3 IMPORTANT NOTICE
PLEASE READ THE MANUAL CAREFULLY BEFORE
STARTING WORK ON THE INSTALLATION OF
THE SYSTEM.
Failure to observe the instructions
for installation, use and operation described in this
documentation may result in operating failure including
potentially serious faults, or even the destruction of the
system.
Verify, in accordance with the manuals which appear
in the outdoor and indoor unit, that all the information
required for the correct installation of the system is
included. If this is not the case, contact your distributor.
Hisense pursues a policy of continuing improvement
in design and performance of products. The right is
Hisense cannot anticipate every possible circumstance
that might involve a potential hazard.
Check and make sure that the explanations of each
part of this manual correspond to your air to water heat
pump model.
characteristics of your system.
Signal words (DANGER, CAUTION and NOTE) are
for identifying hazard levels are provided in initial pages
of this document.
This unit is exclusively for air to water systems. It can
not be used with indoor units in air to air systems.
Do not use means to accelerate the
defrosting process or to clean, other than
those recommended by the manufacturer.
The appliance shall be stored in a room without
continuously operating ignition sources (for
example: open ames, an operating gas appliance
or an operating electric heater.
Do not pierce or burn.
Be aware that the R32 refrigerants does not contain
an odour.
The pressure vessel has been designed and tested before shipment
Also, in order to prevent the system from an abnormal pressure, a
the refrigeration system.
Therefore, this heat pump is protected from abnormal pressures.
However, if abnormally high pressure is applied to the refrigeration
cycle including the high pressure vessel(s), it will result in serious
injury or death due to explosion of the pressure vessel.
Do not apply a pressure higher than the maximum allowable
pressure(refer to nameplate) to the system, by modifying or
changing the high pressure switch.
Start-up and Operation:
Check to ensure that all the
stop valves are fully opened and no obstacle exists
at the inlet/outlet sides before start-up and during the
operation.
Maintenance:
Periodically check the high pressure side
pressure. If the pressure is higher than the maximum
allowable pressure, stop the system and clean the heat
exchanger or remove the cause.
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