Kaden KU5, Installer Manual

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14
Kaden Installer's Manual
Ducted Gas Heaters
2.4 EXTERNAL INSTALLATION
2.4.1 Supply Air Overheat Switch Position (KU530 & KU330 ONLY)
For external installations of the KU530 (refer to Diagram 5) and KU330 (refer to Diagram 6) heaters the supply air
overheat switch position must be changed from end discharge to side discharge modify as follows:
2.4.1.1 KU530
1. Disconnect the quick connect terminals (Orange / White) for the overheat switch loom connected from the
end discharge overheat switch behind the burners.
2. Reconnect the quick connect terminals (Orange / White) to the side discharge overheat switch. These
terminals can be identified by the label "SIDE DISCHARGE O/H SWITCH" .
Flue Terminal
Connection
KU530
End Discaharge O/H Switch
quick connect terminals
(factory default connection)
Side Discharge O/H Switch
quick connect terminals
1 2
O/H Switch Loom
Diagram 5
2.4.1.2 KU330
1. Disconnect the quick connect terminals (Orange / White) for the overheat switch loom connected to the end
discharge overheat switch behind the burners.
2. The KU330 is fitted with both left and right side discharge O/H Switches, reconnect the quick connect
terminals (Orange / White) to the O/H Switch on the same side the air is supplied from. These terminals can
be identified by labels on the sheet metal plate above the burner "LEFT SIDE DISCHARGE O/H SWITCH"
or "RIGHT SIDE DISCHARGE O/H SWITCH" .
Flue Terminal
Connection
KU330
Left Side Discharge O/H
Switch quick connect terminals
1
2
2
L
R
End Discaharge O/H Switch
quick connect terminals (factory
default connection)
O/H Switch Loom
Right Side Discharge O/H
Switch quick connect terminals
Diagram 6
2.4.2 Modifying KU Model Duct Orientation
The duct orientation of KU series heaters can be reversed if the installation requires it. For more information refer
to "2.3.3 Return & Supply Air POP Rotation Procedure" on page 12.