Carrier 1184802, Installation Instructions Manual

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Replacement Aluminized Primary Heat Exchanger: Installation Instructions
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
2
DESCRIPTION AND USAGE
Use this Primary Heat Exchanger kit to replace a failed primary heat
exchanger. This Primary Heat Exchanger Kit contains the following
items, see Table 1 for kit contents and Table 2 for where used.
Table 1 – Kit Contents
Table 2 – Where Used
INSTALLATION
Unit Shut Down
1. Set room thermostat to lowest setting or “OFF.”
2. Disconnect power at external disconnect, fuse or circuit breaker.
3. Turn off gas at external shut-off or gas meter.
4. Remove outer doors and set aside.
5. Turn electric switch on gas valve to OFF.
A11361
Fig. 1 – Loosen Vent Pipe Clamp
A11443
Fig. 2 – Burner Assembly / Manifold Assembly / Gas Valve
Vent Pipe Removal
NOTE: It will be necessary to remove the vent pipe from the furnace in
order to remove the heat exchanger.
1. Support the vent pipe as close to the furnace as possible to prevent
damage to the vent system.
2. Cut vent pipe with a hacksaw and move the remaining vent pipe out
of the way. Secure the vent pipe if necessary.
3. Loosen both clamps at the vent pipe support attached to furnace
casing.
4. Loosen clamp for the vent pipe at vent elbow on the inducer
assembly, see Fig. 1 .
5. Remove remaining vent pipe through the furnace casing and set
aside.
Manifold Removal / Burner Box Removal
NOTE: Use a back-up wrench on the gas valve to prevent the valve
from rotating on the manifold or damaging the mounting to the burner
box, s, see Fig. 2 .
1. Disconnect the gas pipe from gas valve and remove pipe from the
furnace casing.
KIT NO DESCRIPTION
1186215 2 Cell, 14-3/16 inch
1184803 3 Cell, 14-3/16 inch
1186216 3 Cell, 17-1/2 inch
1186219 3 Cell, 21 inch
1186220 4 Cell, 17-1/2 inch & 21 inch
1186217 5 Cell, 21 inch
1186218 6 Cell, 24-1/2 inch
1184802 7 Cell, 24-1/2 inch
Description Quantity
Hex Head 8A 1/2-in. Screws 43 - 61
Screws 8 - 12
Heat Exchanger & Panel Assembly 1
Gasket 2
Collector Box Gasket 1
Cell Panel Insulation 1
Instructions 1
MODEL KIT NUMBER
CASING WIDTH
(in/mm)
0261408 1186215 14-3/16 (360)
0261410 1186215 14-3/16 (360)
0401410 1186215 14-3/16 (360)
040A030 1186215 14-3/16 (360)
0401712 1186215 17-1/2 (445)
0601412 1184803 14-3/16 (360)
0601714 1186216 17-1/2 (445)
0601716 1186216 17-1/2 (445)
060B042 1186216 17-1/2 (445)
0602120 1186219 21 (533)
0801714 1186220 17-1/2 (445)
0801716 1186220 17-1/2 (445)
080B048 1186220 17-1/2 (445)
0802120 1186220 21 (533)
080C060 1186220 21 (533)
1002114 1186217 21 (533)
1002116 1186217 21 (533)
100C042 1186217 21 (533)
100C048 1186217 21 (533)
1002120 1186217 21 (533)
1002122 1186217 21 (533)
100C060 1186217 21 (533)
100C066 1186217 21 (533)
1202420 1186218 24-1/2 (622)
120D060 1186218 24-1/2 (622)
1202422 1186218 24-1/2 (622)
120D066 1186218 24-1/2 (622)
1402420 1184802 24-1/2 (622)
Inducer Mounting Screw
Pressure Switch
Inducer Mounting Screw
Remove Vent Elbow
Vent Elbow Clamp
Remove Tube(s) from
Standoffs
Inducer Mounting Screw
Inducer Mounting Screw
Pressure Switch
Mounting Screw