Product Overview

Form CP-Thermocore 1-FC, P/N 209185 R3, Page 1
Form CP-THERMOCORE 1-FC (Version B)
Obsoletes CP-THERMOCORE 1-FC (Version A)
Replacement Kit for Discontinued Fan Control, Kit P/N 209184
Applies to all Reznor
®
Duct Furnaces and Packaged Systems
with a Thermocore
®
1 Heat Exchanger
DANGER: This replacement kit is to be installed by a qualied service agency in accordance with
these instructions and in compliance with all codes and requirements of authorities having jurisdic-
tion. Failure to follow instructions could result in death, serious injury, and/or property damage. The
qualied agency performing this work assumes responsibility for this installation.
WARNING:
Improper installation,
adjustment, alteration,
service or maintenance
can cause property
damage, injury, or
death. Read the
instructions
thoroughly before
installing or servicing
this equipment.
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Components
Description/
Application
The fan control used on Reznor heaters with a Thermocore
®
1 heat exchanger has
been discontinued by the manufacturer. This kit is designed to replace the fan con-
trol and applies to all Reznor products using a Thermodisc 29T 12-32517 fan control
(Reznor P/N 10357).
1. Turn off the gas and the electric.
2. Remove the control access panel.
3. Remove the Obsolete Fan Control
Open the electrical box cover (if provided) and locate the fan control.
FIGURE 1 -
Location of
Obsolete Fan
Control
Obsolete
Fan
Control,
P/N 10357
Disconnect the four wires on the fan control. Save the blue and red wires that go
to Terminals 1 and 3. Discard the brown and black wires that go to Terminals A
and B.
If equipped with a junction box heat shield (See FIGURE 1, bottom left), discon-
nect the limit control wires. Remove the heat shield from the junction box. Discard
the heat shield. Reconnect the limit control wires.
Remove the two screws that hold the fan control. Save the screws and discard the
fan control.
Example of a junction box heat shield
(left). Depending on model and size,
there may or may not be a heat shield
in the junction box. If the unit has a heat
shield, remove and discard it. Be sure
to reconnect the limit control wires.
FIGURE 2 - Typical
Installation of
Replacement Fan
Control with Shield
Replacement
Fan Control
4. Install the Replacement Fan Control
(FIGURE 2)
In the same location as the removed fan
control, slide the round fan control shield
through the hole in the panel and insert
the sensor side of the fan control into
the shield. Using the two screws saved
in Step 3, attach the new fan control and
shield. See FIGURE 2.
Attach the blue and red wires to the new
fan control.
Limit
Control
Components of Kit P/N 209184
Qty P/N Description
1 209186 Wired Relay Assembly including Time Delay Relay, SPST, NO, 12S20-305131
1 209167 Relay Mounting Bracket
1 96426 #10 x 3/8" long Screw (attach relay to bracket)
1 209166 Fan Control, 60T82-314585 (125/90°F)
1 209169 Fan Control Shield Assembly
2 16354 Twist-on Wire Connector (orange)
Fan
Control
Shield
Installation
Instructions