Page 29 of 36
SK2014-SON-002-TechMnl-SWC-003
C.4.3.
Onboard Configuration
There is 1 DIP switch set on the PCB:
DIPB (4 positions)
SW1: configured for different modulating signal
SW2 – SW4: brushless DC fan motor configuration.
Code
State
Description
SW1
0
PCB configured for 0~5VDC modulating signal input.
1
PCB configured for 0~10VDC modulating signal input.
MODEL
SW2
SW3
SW4
Hi
Med
Low
HWN-EC-25
0
1
0
930
700
600
HWN-EC-30
0
1
1
1150
800
700
HWN-EC-40
1
0
0
1300
1100
900
Default RPM
1
1
1
Set by customer requirement
C.4.4.
Control Logics Specification
1.
Power On Setting
When any fan speed is selected, the unit is turned on. When all of the relays are off, the unit is turned off.
2.
Swing / Louver
When the unit is turned on, the louver will open to the largest angle at 100º, then move to the operating
angle at 87 º. When the unit is turned off, the louver will close.
3.
Signal Input
When Auto speed is turned ON, the unit is turned on and the motor runs at 200 RPM. EC motor RPM will be
changed by the signal voltage.
