Lennox VRF VEC027N432U User Manual page 6

For units with wired
controllers, do not connect
power supply until the wired
controller is well installed.
Otherwise, the wired controller
cannot be used.
Do not extend fingers or
objects into air outlet or return
air grille.
Never start or stop the air
conditioner by inserting or
removing the power cord.
Children are not allowed to
operate the air conditioner.
Please turn off and unplug
your air conditioner before
cleaning. Otherwise, it may
cause electric shock or
personal injury.
Do not expose the air
conditioner directly under
damp or corrosive
surroundings.
Volatile liquid like thinner or
gasoline will damage the
appearance of air conditioner
(Please use soft dry cloth and
wet cloth with mild detergent to
clean unit's outer case).
DC Inverter Multi VRF System
2
When installation is finished,
please check and make sure
the drain pipe, pipeline and
electric wire are all well
connected so as to avoid
water leakage, refrigerant
leakage, electric shock and fire
hazard.
If you use gas heater or
petroleum heater in the same
room, please open the door or
window to maintain good air
circulation, otherwise the room
may be lack of oxygen.
Do not turn off the air
conditioner until it runs for at
least 5 minutes. Otherwise, oil
return of the compressor will
be affected.
Do not operate the air
conditioner with wet hands.
Do not spray water on the air
conditioner or it will cause
malfunction or electric shock.
Connect power 8 hours before
operation. Do not disconnect
power when you want to stop
the unit in a short period of
time, e.g. in one night (This is
for protecting the compressor).
Under cool mode, do not set
the indoor temperature too
low. Keep the difference
between indoor temp and
outdoor temp within 5°C.