4
OPT-CL31-CL32 (11-21) 102247-A
INSTALLATION—CONTINUED
b. Mark and disconnect transformer wires and remove existing transformer.
c. Install replacement transformer from kit (refer to Table 2):
(1) For models APD, UDAP, UDAS, UDX, UDZ, UEAS, UEZ, and VR, secure transformer (5) using same screws.
(2) For models F and B, slide Tinnerman clips (2A) over transformer (5) and secure transformer using screws
(2) from kit.
(3) Reconnect transformer wires.
d. Install or close panel(s) as necessary.
3. Install relay assembly on control unit and on all non-control units (see Figure 2):
MODELS APD, APD, UBX, UBZ, UDAP, UDAS, UDBP,
UDBS, UDX, UDZ, UEAS, AND UEZ
MODEL LAPD
MODELS F AND B MODEL VR
1
1A
1
1A
1
1A
1
1A
2
2
2A
3
3
3
2A
2
4
Figure 2. Relay Installation (Refer to Table 2)
a. For models APD, APD, UBX, UBZ, UDAP, UDAS, UDBP, UDBS, UDX, UDZ, UEAS, and UEZ:
(1) At rear of heater, remove screws from edge of cabinet bottom.
(2) Secure relay assembly (1 and 1A) and cable clamp (3) as shown using existing screws for unit sizes 030–125
or one existing screw and one screw (2) from kit for unit sizes 150–400 and all UEAS and UEZ models.