KDK E50DZUA, Operation Instructions Manual, Page: 19 / 40

19
Installation Instruction
●
Under the situation of Aircon operation
unavailable Available operation
With
Aircon
Button

Button

Button

Without
Aircon –
Button

Button

Button


Remove the cover of switch box.
●
Remove the three screws fi xed in the
cover of switch box.
The screws fi xed
in the 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
40 mm
On
High
Heat
exchange
Off
Low
Normal
ventilation



Model label
●
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 speci fi 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.
Power supply cord (remain 50 cm)
Wire plug M4 Nut
Ground
terminal
Terminal
block

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.)
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 air fl ow condition with power on after con fi rming the wiring
connection, power and voltage.
Switch On /Off Ventilation/stop
Air volume High/low Con fi rm the air volume is changed as the power on/off
Heat exchange/
Normal ventilation
Damper
closed/
open
Heat exchange (see the damper closed by opening side
maintenance door)
Normal ventilation (see the damper open by opening side
maintenance door)
●
Abnormal operation occurs, cut off the special purpose circuit breaker and con fi 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.