12
AHU Control Kit
Dip switch setting
Control Kit Installation
Electric Wiring Work
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All field supplied parts and materials and electric works must be conform to local codes.
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Use copper wire only.
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All wiring must be performed by an authorized electrician.
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A main switch or other means for disconnection, having a contact separation in all poles, must
be incorporated in the fixed wiring in accordance with relevant local and national legislation.
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Refer to the installation manual attached to the outdoor unit for the size of power supply
electric wire connected to the outdoor unit, the capacity of the circuit breaker and switch,
wiring and wiring instructions.
CAUTION
If you want to run the Fan(L/M/H) in Heating Mode - defrosting condition, you should set the dip
switch 4 to "On"(As shown below)
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PCB output signal(According to the dip switch 4 setting)
Off
Off
Off
Off
Off
Cooling Mode
Off or On
On
Off
Off
Fan Mode
Off
On
Off
Off
Heating Mode
Off or On
Off or On
Off
On
Heating Mode – Preheating
On
Off
Off
On
Heating Mode – Defrosting
On
Off
On
On
Auto Mode
The Same as Cooling or Heating Mode
Off
Off
Off
Off
Off
Cooling Mode
Off or On
On
Off
Off
Fan Mode
Off
On
Off
Off
Heating Mode
Off or On
On
Off
On
Heating Mode – Preheating
On
On
Off
On
Heating Mode – Defrosting
On
On
On
On
Auto Mode
The Same as Cooling or Heating Mode
Output Signal
Thermal On/Off
Fan L/M/H
Defrost
Heating Mode
Condition
Dip switch Off
Dip switch On
Detail
(Main PCB)
1
ON"
OFF
2 3 4 5 6 7 8
