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●
Under the situation of Aircon operation
unavailable
With
Button
Button Button
Aircon
Without
–
Button Button Button
Aircon
Remove the cover of switch box.
●
Remove the three screws fi xed in the
cover of switch box.
Wire connection.
●
Peel off the skin of power supply cord by
40 mm, and peel off the skin of each core
wire by 10 mm.
10 mm
TRIAL OPERATION
●
After completion, never fail to check the ground wire connection and wiring and conduct the trial operation.
●
Check the display of switch and airfl ow condition with power on after confi rming the wiring
connection, power and voltage.
Switch
On /Off
Air volume
High/low
Damper
Heat exchange/
closed/
Normal ventilation
open
●
Abnormal operation occurs, cut off the special purpose circuit breaker and confi rm the wire connection again.
●
Fix the cover of switch box after conducting the trial operation.
●
Please stick the model label to the switch or around.
Model label is placed in the plastic bag, don't forget to attach it.
Available operation
The screws fi xed
in the switch box
Ventilation/stop
Confi rm the air volume is changed as the power on/off
Heat exchange (see the damper closed by opening side
maintenance door)
Normal ventilation (see the damper open by opening side
maintenance door)
Off
Low
Normal
ventilation
●
The power supply cord goes through the wire plug,
as required in fi gure, fi x the wire connecting power
supply cord and switch in the terminal block, and
fi x the ground wire in the ground terminal.
●
The joint should not be pressured, use specifi ed
tools to fi x the wire which links the power supply
cord to switch.
●
In maintenance, in order to avoid pulling the switch
box into the unit, please keep enough space for
the wire connecting the power supply cord and
ground wire. To prevent it from touching the
ceiling, please fi x it by ceiling suspension bolts.
Wire plug
Ground
terminal
Power supply cord (remain 50 cm)
Fix the cover of switch box
●
After completing the wire connection, fi x the
cover of switch box by screws.
(dust and moisture may cause the electric
leakage or fi re.)
On
High
Heat
exchange
Model label
M4 Nut
Terminal
block
19
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