Reznor SC Series User Manual

Form CP-OPT-GMK (6-16), P/N 208831 R3, Page 1
Instructions for Installing Replacement Gear Motor Kit
Applies: Modulating Gas Control Options AG39, AG40, AG41 & AG42
on Model Series SC & Model Series RP
Form CP-OPT-GMK (6-16)
Gear Motor Replacement Kit includes a new factory-assembled ue
duct and combustion air damper with a factory-wired gear motor
installed plus three new replacement gaskets
Sizes 100, 125,
150, 175, 200,
225,250, 300
Size 400
Kit P/N 208474 208475
Components: Qty P/N P/N
Factory-assembled and Wire Flue Duct and Combustion Air
Damper Assembly with Gear Motor (See FIGURE 1)
1 207975 207976
Cover Plate Gasket 1 41996
Venter Seal Gasket 1 44695
Flue Outlet Duct Gasket 1 31900
Obsoletes RZ-NA CP-OPT-GMK (Version A)
This kit is designed to replace the solenoid actuator with a gear motor on heaters
equipped with a modulating gas control Option AG39, AG40, AG41 or AG42. To
facilitate replacement, the new ue duct, combustion air damper and gear motor is
factory-assembled and wired for change out.
Application /
Components
FIGURE 1
Gear Motor Replacement Kit includes Factory-Assembled & Wired Flue Duct & Combustion Air Damper
Assembly with Gear Motor, P/N 207975 or P/N 207976 & three Replacement Gaskets.
Flue Outlet Duct Gasket, P/N 31900
Use when attaching the new flue duct
assembly to the collection box.
(NOTE: Be sure to reuse the restrictor plate.)
Venter Seal Gasket
P/N 44695
Use when
re-installing
venter
housing on
side of flue
duct
Cover Plate
Gasket
P/N 41996
Use when
reattaching cover
plate
Time Delay Relay
P/N 206146
with brown wire attached to
Terminal 7 in the heater control
compartment
15 MFD
Capacitor
P/N 206145
Terminal Block
Connections 85, 86
and 87
Gear Motor
P/N 206144
with damper
linkage
Black wire from the NO
terminal on lower end-switch
attaches to Terminal 88 in the
heater control compartment
Lower End
Switch
Purple wire from the NO
terminal on upper
end-switch attaches to
Terminal 88 in the heater
control compartment
Upper End Switch
Flue Duct with
Combustion Air
Damper
Warning: This replacement kit is to be installed by a qualied agency in accordance
with these instructions and in compliance with all codes and requirements of
authorities having jurisdiction. 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.

Reznor SC Series Specifications

General

Brand	Reznor
Model	SC Series
Category	Gas Heater
Language	English