Reznor OPT-FAN-CTRL User manual

Brand: Reznor

Model: OPT-FAN-CTRL

Type: User manual

Reznor OPT-FAN-CTRL is a replacement kit designed to easily upgrade discontinued fan control systems in duct furnaces and packaged systems equipped with a Thermocore® 1 heat exchanger. It includes a time delay wired relay assembly, mounting bracket, screws, fan control, fan control shield, and wire connectors. This kit allows for simple installation without the need for additional tools or expertise, ensuring proper and efficient operation of your heating system.

Revision: OPT-FAN-CTRL (09-22) 209185-A

REPLACEMENT KIT (PN 209184) INSTALLATION

FOR DISCONTINUED FAN CONTROL

Supersedes: CP-Thermocore-1-FC (12-15) PN209185R6

ALL DUCT FURNACES AND PACKAGED SYSTEMS WITH

THERMOCORE® 1 HEAT EXCHANGER

⚠ DANGER ⚠

This replacement kit is to be installed by a qualiﬁed service agency in accordance with these

instructions and in compliance with all codes and requirements of authorities having jurisdiction.

Improper installation, adjustment, alteration, service, and/or maintenance can cause property

damage, injury, or death. The qualiﬁed agency performing this work assumes responsibility for

this installation.

•The fan control used on heaters with a Thermocore® 1 heat exchanger has been discontinued by the manufacturer.

This kit is designed to replace the fan control and applies to all products using a Thermodisc #29T12-32517 fan

control (PN 10357).

•Refer to the installation manual provided with the unit for important safety information.

•Ensure that all components listed in Table 1 are available before beginning installation.

INSTALLATION

1. Turn OFF gas and disconnect electric power.

2. Remove control access panel, open electrical box cover (if provided), and locate existing fan control (see Figure 1).

DO NOT DESTROY. PLEASE READ CAREFULLY. KEEP IN A SAFE PLACE FOR FUTURE REFERENCE.

Table 1. Fan Control Replacement Kit (PN 209184) Components

Component Description PN (Quantity)

Time delay wired relay assembly SPST, includes relay PN 209164 (#12S20-305131) 209186 (1)

Bracket Mounting, relay 209167 (1)

Screw #10 × 3/8 96246 (1)

Fan control 125/90°F (#60T82-314585) 209166 (1)

Fan control shield Assembly 209169 (1)

Wire connector Twist-on, orange 16354 (2)

Figure 1. Obsolete Fan Control

3. Disconnect four wires from fan control. Save blue and red wires that connect to terminals 1 and 3 and discard

brown and black wires that connect to terminals A and B.

Limit

Control

2OPT-FAN-CTRL (09-22) 209185-A

INSTALLATION—CONTINUED

NOTE: Depending on model and unit size, the junction box may or may not have a heat shield.

4. If unit is equipped with junction box heat shield (see Figure 2), disconnect limit control (see Figure 1) wires.

Remove and discard heat shield and reconnect limit control wires.

Figure 2. Junction Box Heat Shield

5. Remove and save two screws that secure existing fan control (see Figure 1). Remove and discard control.

6. Install replacement fan control (see Figure 3):

a. Position replacement fan control in same location and slide fan control shield through hole in panel and insert

sensor side of fan control into shield.

b. Secure replacement fan control and fan control shield using two existing screws.

c. Connect blue and red wires to replacement fan control.

Figure 3. Replacement Fan Control and Fan Control Shield

7. Install time delay relay (see Figure 4):

a. Directly above fan control, remove and save two screws that secure patch plate to panel. Discard patch plate.

b. Position relay mounting bracket in same location. Orient bracket so that large tab is at top and small tab is at

bottom and align mounting holes.

c. Secure relay mounting bracket using two existing screws.

d. Secure time delay relay to mounting bracket using screw from kit.

Replacement

Fan Control

Fan

Control

Shield

OPT-FAN-CTRL (09-22) 209185-A

TIME

DELAY RELAY

(WIRES NOT SHOWN)

RELAY

MOUNTING

BRACKET

Figure 4. Time Delay Relay Assembly

8. Connect time delay relay wires in accordance with wiring diagram shown in Figure 5.

Figure 5. Wiring Diagram

9. Close electrical box cover (if provided) and install control access panel.

10. Turn ON electric and gas and check unit for proper operation.

1 3

FAN MOTOR OR

BK BR

24V

LINE VOLT

DISCONNECT SWITCH

LINE/1 OR 3/60

GRD

R or BL

CONTACTS

FAN CONTROL

BLOWER RELAY

RELAY COIL

TIME DELAY

24V

LINE VOLT

RELAY CONTACTS

R or BL

TIME DELAY

1 3

CONTACTS

RELAY/CONTACTOR

BLOWER

FAN CONTROL

TIME DELAY

RELAY COIL

THERMOCORE I

FAN CONTROL

REPLACEMENT

KIT

DWG. #224201 REV. #2

REPLACEMENT

LIMIT

CONTROL

(SOME MODELS)

(NOTE 1)

(NOTE 2)

GAS VALVE

REPLACEMENT

GAS VALVE

(NOTE 1)

(NOTE 2)

NOTE 1 - SOME UNITS USE TERMINAL STRIPS RATHER THAN WIRE CONNECTORS.

NOTE 2 - INSTALL IN PLACE OF OLD FAN CONTROL HEATER.

NOTE 3 - LEAVE EXISTING LIMIT CONTROL INSTALLED AND WIRED ON UNIT.

NOTE 1 - SOME UNITS USE TERMINAL STRIPS RATHER THAN WIRE CONNECTORS.

NOTE 2 - INSTALL IN PLACE OF OLD FAN CONTROL HEATER.

NOTE 3 - LEAVE EXISTING LIMIT CONTROL INSTALLED AND WIRED ON UNIT.

RELAY CONTACTS

TIME DELAY

IF FAN CONTROL

IS IN 24V CONTROL

CIRCUIT:

IF FAN CONTROL IS

IN LINE VOLTAGE

CIRCUIT:

Speciﬁcations and illustrations subject to change without notice or incurring obligations.

Latest version of this manual is available at www.reznorhvac.com.

OPT-FAN-CTRL (09-22) 209185-A

Reznor OPT-FAN-CTRL User manual

Reznor OPT-FAN-CTRL User manual

Reznor OPT-FAN-CTRL User manual

Related papers

Other documents