Kun4 & Kun5; Wiring A Damper Motor To The Heater's Control Module - Kaden KEX Series Installer Manual

3. KUN4 & KUN5
KUN4 & KUN5 heaters can be configured for adaptive zoning and / or Add-On Refrigerative Air Conditioning.
There are four 24 VAC relays on the PCB control module, which can be configured either for four zone motors, or
for four zone motors and an add-on refrigerative air-conditioning control, refer to Diagram 10 below.
KUN5/4
3.1

WIRING A DAMPER MOTOR TO THE HEATER'S CONTROL MODULE

a.
24 Vac Power Open / Power Close Damper Motor
Connectors
ZONE B
ZONE A
b.
24 Vac Power Open / Spring Return Damper Motor
Connectors
ZONE B
ZONE A
c.
240 Vac Power Open / Power Close Damper Motor
Connectors
ZONE B
ZONE A
Grommet for
control cable
access
Control Board
Diagram 10
RJ12
N/C
0V
N/O
N/C
0V
N/O
RJ12
N/C
0V
N/O
N/C
0V
N/O
240VAC Relay
RJ12
N/C
0V
N/O
N/C
0V
N/O
Diagram 11
Damper Motor
Close
24VAC
Common
Power Open/
Open
Power Close
Damper Motor
Active
24VAC
Neutral
Power Open/
Spring Return
240VAC Supply
Active
Neutral
Close
Common
Open
24 VAC
ADD-ON
REFRIGERATION
D 24 VAC ZONE
DAMPER MOTOR
24 VAC ZONE
C
DAMPER MOTOR
24 VAC ZONE
B
DAMPER MOTOR
A 24 VAC ZONE
DAMPER MOTOR
Damper Motor
240VAC
Power Open/
Power Close
19