Reznor UDBS Sizes 30-125 Option - Installation - Stepdown Transformer - V3 Series User Manual
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Form I-UD-X, P/N 201244 R6, page 3
Attach bracket using the 3/8x1 hex
head cap screw, the 3/8 flat washer,
and the 3/8 lock washer from the kit.
Transformer
Mounting
Bracket
with gasket
attached
Adhere the gasket
to the back of the
flange that will be
against the
cabinet side.
FIGURE 3 - Fan
Models UDAP and
UDAS - Attach the
bracket (with the
gasket in place) using
the hardware from
the kit.
b) Models UDBS and UDBP - When attaching the hanger rod or swivel
connection to the hanger bar, include the transformer bracket at the suspension
point shown in
FIGURE 2.
3. Attach the Bracket
a) Models UDAS and UDAP - At the location selecte4d in FIGURE 1, attach the
bracket using the 3/8 x 1” long screw, flat washer, and lock washer.
FIGURE 4 - Blower Models UDBP
and UDBS Sizes 30-125 - During
the suspension process, include
the top of the transformer bracket
when attaching the hanger rod
(field-provided) or optional swivel
to the hanger bar.
Follow the instructions in the
installation manual (Form I-UDB,
Paragraph 5.2) for hanging the
heater.
Transformer bracket with gasket attached
(See FIGURE 3 above for gasket location.)
Field-Supplied Hanger Rod
(or Optional Swivel)
Field-provided
3/8 Hex Nut and
3/8 Lock Washer
Field-provided
3/8 Lock Washer
and 3/8 Hex Nut
4. Attach the Wires to the Transformer (All Models)
Feed the three wires through the conduit.
On each end of the conduit, install an anti-short bushing.
On the transformer, at either the knockout hole in the left side (facing the trans-
former) or in the bottom, attach the straight connector. Feed the wires into the
connector and attach the connector to the conduit.
Following the diagram on the transformer, make the wiring connections. The
transformer has primary and secondary voltages, so note the wire colors and be
very careful when making these connections.
5. Attach the Transformer (All Models)
Depending on the transformer, it either attaches directly to the installed mounting
bracket or uses a secondary bracket included with the transformer.
a) If the transformer has an attached mounting foot, install it as illustrated in
F
IGURE 5.