Safety Precautions - Lennox VEMD007N432U Installation Manual

2 Safety Precautions

Means items that must be forbidden! Otherwise, it may lead to personal injury or death or
serious damage.
Means items that must be followed! Otherwise, it may lead to personal injury or property loss.
Follow this instruction to
complete the installation work.
Please carefully read this
manual before unit startup and
service.
Before installation, please
check if the power supply is in
accordance with the
requirements specified on the
nameplate. And also take care
of the power safety.
Be sure to use the exclusive
accessory and part to prevent
the 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 exclusive cable.
Never fail to comply with the
nitrogen charge requirements.
Charge nitrogen when welding
pipes.
Please firstly connect the
wired controller before
energization, otherwise wired
controller can not be used.
Do not insert fingers or objects
into air outlet/inlet grille.
Multi Variable Air Conditioners Duct Type Indoor Unit
2
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
earthed properly and soundly
after plugging into the socket
so as to avoid electric shock.
Please do not connect the
ground wire to gas pipe, water
pipe, lightning rod or telephone
line.
Refrigerant leakage happens
during installation, please
ventilate immediately.
Poisonous gas will emerge 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 if the piping and wiring
are correct to avoid water
leakage, refrigerant leakage,
electric shock, or fire etc.
Open the door and window
and keep good ventilation in
the room to avoid oxygen
deficit when the gas/oil
supplied heating equipment is
used.