18
Kaden Installer's Manual
Ducted Gas Heaters
KU4 & KU5 heaters can be configured for adaptive zoning and / or Add-On Refrigerative Air Conditioning.
There are three 24 Vac relays on the heater’s control module, which can be configured for control of up to three
zone motors, refer to Diagram 10 below.
Control Board
Grommet for
control cable
access
KU5/4
24 Vac Zone damper motor
(Power open/spring return example)
24 Vac Zone damper motor
(Power open/close example)
24 Vac Zone damper motor
(Power open/spring return example)
Diagram 10
3.1 WIRING A DAMPER MOTOR TO THE HEATER’S CONTROL MODULE
a.
24 Vac Power Open / Power Close Damper Motor
ZONE B
ZONE A
ZONE/ADD-ON
N/O
O V
N/C
N/O
O V
N/C
N/O
O V
Close
Common
Open
24 Vac
Power Open /
Power Close
Damper Motor
b.
24 Vac Power Open / Spring Return Damper Motor
ZONE B
ZONE A
ZONE/ADD-ON
N/O
O V
N/C
N/O
O V
N/C
N/O
O V
Active
Neutral
24 Vac
Power Open /
Spring Return
Damper Motor
c.
240 Vac Power Open / Power Close Damper Motor
ZONE B
ZONE A
ZONE/ADD-ON
N/O
O V
N/C
N/O
O V
N/C
N/O
O V
Close
Common
Open
24 Vac
Power Open /
Power Close
Damper Motor
240 Vac Power Supply
Active
Neutral
24 Vac Relay
Diagram 11
3. KU4 & KU5 - ADAPTIVE ZONING & ADD-ON AC
Summary of Contents for KU5
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