Service Manual -
VFH-B 30/36/42 Series
19
Part
ė
: Installation and Maintenance
Follow these instructions to complete
the installation work.
Please read this manual carefully before
unit startup and service.
Before installation, please check to
make sure power supply is in
accordance with the requirements
specified on the nameplate.
Be sure to use the exclusive
accessories and parts to prevent water
leakage, electric shock and fire
accidents.
Wire size of power cord should be large
enough. The damaged power cord and
connection wire should be replaced by
appropriate cable.
Always comply with the nitrogen charge
requirements. Charge nitrogen when
welding pipes.
Please connect the wired controller
before energization, otherwise wired
controller cannot be used.
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7. Safety Precautions
Installation should be conducted by
dealer or qualified personnel. Please do
not attempt to install the unit by yourself.
Improper handling may result in water
leakage, electric shock or fire disaster,
etc.
Make sure the unit can be grounded
properly to avoid electric shock. Please
do not connect the groundwire to gas
pipe, water pipe, lightning rod or
telephone line.
If refrigerant leakage happens during
installation, please ventilate
immediately. Poisonous gas will be
created if the refrigerant gas meets fire.
After connecting the power cord, please
fix the electric box cover properly in
order to avoid accident.
Never short-circuit or cancel the
pressure switch to prevent unit damage.
Before using the unit, please check to
make sure piping and wiring are correct
to avoid water leakage, refrigerant
leakage, electric shock, or fire, etc.
Содержание A-VFH30QB-1
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