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Table 2. Kit Components (Models H, UBX, UBXC, UBZ, UDX, UDXC, UDZ, and UEZ)
Item
Component
No.
1
Relay
2
Screw
3
Cable clamp
4
Label
5
Transformer
6
Wiring harness
*
Includes relay (PN 18549) and bracket.
Install the relay kit as follows. Item numbers in parentheses refer to
1. For gas-fired units, turn OFF gas and electric power. For electric units, turn OFF electric power.
2. Install/replace transformer (if required) on control unit:
a. For electric unit heater model EUH:
(1) Remove control compartment access panel.
(2) Position transformer (5) as shown in
screws (2).
(3) Connect wires for transformer (5) in accordance with
(4) Install control compartment access panel.
2
5
6
DETAIL A
Figure 1. Transformer Location (Typical) and Wiring—Model EUH (Refer to
2
KIT COMPONENTS—CONTINUED
Description
H, UBX, UBXC, UBZ
1041281
*
Assembly
3/16
Wiring diagram
40VA
Assembly
INSTALLATION
Figure
Option
CL31
Model
UDX, UDXC, UDZ, UEZ
Kit PN
1041288
Component PN (Quantity)
197157 (2)
195249 (4)
16228 (2)
197164 (2)
194808 (1)
—
197160 (1)
Table 1
Table
or
1, DETAIL A and secure transformer using self-tapping
Figure
1, DETAIL B.
CL32
H, UBX, UBXC, UBZ, UDX,
UDXC, UDZ, UEZ
1041287
197157 (1)
195249 (2)
16228 (1)
197164 (1)
—
2.
277V
480V
600V
DETAIL B
Table
1)
OPT-CL31,32 (02-25) 1042699-E
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