CARRIER Furnace/Heater, Gas Manual L1002455

User Manual: CARRIER CARRIER Furnace/Heater, Gas Manual CARRIER Furnace/Heater, Gas Owner's Manual, CARRIER Furnace/Heater, Gas installation guides

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Installation
NOTE:
Read
installation.

the entire

SAFETY

instruction

manual

before

starting

Instructions

the

CONSIDERATIONS
CUT

Improper
maintenance,

installation,
adjustment,
or use can cause explosion,

other conditions
property damage.

which may cause
Consult a qualified

alteration,
fire, electrical

death, personal
installer, service

service,
shock, or
injury,
agency,

or
or

your distributor
or branch for information
or assistance.
The
qualified installer or agency must use factory-authorized
kits or
accessories when modifying
this product.
Refer to the individual
instructions
Follow

packaged

all safety

with the kits or accessories

codes.

Wear safety

glasses,

HAZARD

Failure

to follow

this caution

may result in personal

Sheet metal parts may have sharp edges or burrs. Use care
and wear appropriate protective clothing, safety glasses and
gloves when handling parts and servicing furnaces.

when installing.

protective

clothing,

and work gloves.
Have a fire extinguisher
available.
Read these
instructions
thoroughly
and follow all warnings
or cautions
include in literature
and attached
to the unit.
Consult
local

UNIT

building

Failure to follow this caution
dangerous operation.

codes,

the current

editions

Code
(NFGC)
NFPA
54/ANSI
Electrical Code (NEC) NFPA 70.

of the National
Z223.1

and

Fuel

the

refer to the current

of Canada
Installation

CAN/CGA-BI49.1
and .2 Natural Gas and Propane
Codes, and Canadian Electrical Code CSA C22.1

Recognize

safety information.

you

manuals,

this symbol

This is the safety-alert
on

the unit

be alert to the potential

Understand
CAUTION.
DANGER
severe

see
the

signal

of the National

Gas

National

In Canada,

When

editions

words

Standards

WARNING,

or
and

These words are used with the safety-alert
symbol.
identifies the most serious hazards which will result in

personal

injury

or death.

WARNING

signifies

Label all wires
controls.

hazards

This instruction

NOTE is used
in enhanced

covers

Use this PSC inducer

SHOCK

NOTE:
wheel,

could

result in personal

injury,

Before installing
or servicing
unit, always turn off main
electrical and gas to unit. Lockout and tag with appropriate
warning
switch.

label.

There

may

than

one

disconnect

in improper
when

and

servicing

of the high output

permanent

Condensing

Gas Furnaces.

AND

motor

kit to replace

See Table

USAGE
a failed

inducer

motor

assembly.
the following

items:

assembly

Installation

Failure to follow this warning
death and/or property damage.

disconnection

DESCRIPTION

Inducer

ELECTRICAL

installation

PG9MAA
and PG9MAB
for kit applicability.

This kit contains

FIRE, EXPLOSION,
HAZARD

prior

may result

split capacitor
(PSC) inducer
motor kit on models 340MAV,
340AAV,
345MAV,
350MAV,
350AAV,
351DAS,
353AAV,
490AAV, 58MCA, 58MCB, 58MEB, 58MSA, 58MXA, 58MXB,

which could result in personal injury or death. CAUTION
is
used to identify unsafe practices which may result in minor
personal injury or product and property damage.
to highlight
suggestions
which
will
result
installation, reliability, or operation.

HAZARD

INTRODUCTION

injury.

DANGER,

DAMAGE

symbol/_.

and in instructions

for personal

iniury.

Instructions
Inducer

motor

and vent clamp.

assembly

mount,

inducer

consists
cover,

of motor
inducer

and fan, capacitor,
housing,

vent cap,

COMBUSTION-AIR
-_(
INTAKE
CONNECTION
BURNER
ENCLOSURE

GAS VALVE AUXILIARY
JUNCTION BOX

PRIMARY HEAT
EXCHANGER
(BEHIND CELL
INLET PANEL)

VENT OUTLET CONDENSING
HEAT
EXCHANGER
(BEHIND CELL
INLET PANEL)
PRESSURE SWITCH

PAM
RTV

CAP AND
CLAMP
(UNUSED
DRAIN
CONNECTION)
VENT OUTLET

INDUCER MOTOR

CONTROL
CENTER

CONDENSATE,
TRAP

BLOWER
ACCESS PANEL
SAFETY
INTERLOCK
SWITCH

MOTOR AND
BLOWER
ASSEMB_
AIR FILTER AND -RETAINER

A98401

Fig. 1 - Inducer Motor Assembly in Upflow Furnace
Orientation

INSTALLATION
Step 1 1

Remove

Old Motor

A93081

Fig. 2 - Inducer Housing to Collector Box Gasket

halogenated hydrocarbons or aromatic contents to prevent
inadequate sealing) to inducer housing. Apply a small bead of
G.E. RTV 162, G.E. 6702, or Dow-Corning RTV 738 sealant to
groove in collector box. G.E. 162 (P771-9003) is available
through RCD in 3-oz. tubes.

Assembly

1. Turn off gas and electrical supplies to unit.
2. Remove main furnace door.
3. Remove drain tube from inducer motor mounting cover
plate.

2. Remove 4 bolts and spacers from old inducer housing assembly.

4. Remove pressure switch tubes. (See Fig. 1.)
a. Remove tube attached to pressure switch from collector box.

3. Install spacers in new inducer housing.
4. Insert bolts through inducer housing.

b. Remove tube attached to pressure switch from burner
enclosure and gas valve.
5. Remove screw securing pressure switch and capacitor to
inducer housing.
6. Disconnect motor lead connector at quick-connect.
7. Disconnect vent pipe from inducer housing by loosening
coupling clamp on inducer outlet. If coupling has 2
clamps, loosen clamp on vent pipe side. Move pipe out of
furnace casing.
8. Using backup wrench, disconnect gas supply pipe from
gas valve.
9. Remove wires from gas valve. Note location for reassembly.
10. Remove burner enclosure cover.
11. Remove screws securing manifold to burner enclosure.
12. Remove manifold, orifices, and gas valve as 1 assembly.
13. Remove 4 bolts attaching inducer housing assembly to
heat exchanger cell panel.

Step

2 1

Install

1. Inspect
NOTE:
repaired.
cooking

New

Motor

seal on collector

Assembly
box. (See Fig. 2.)

If collector

box seal is damaged

To repair,

apply

spray or equivalent

sealant
(must

in any way, it must be

releasing
not contain

agent such

as PAM

corn or canola oil,

NOTE: Inserting bolts at this time will add to the ease of their
installation later.
5. Install new inducer housing assembly to heat exchanger
cell panel by aligning guide pins in collector box.
NOTE:
Do not pinch collector box pressure tube when
assembling inducer housing to collector box.
6. Tighten 4 bolts securing inducer housing assembly to heat
exchanger cell panel.
7. Remove screw securing capacitor and reuse to secure pressure switch and capacitor to inducer motor mounting cover plate.
8. Reconnect pressure switch tubes. See tubing label on furnace for proper connections.
a. Connect tube from burner enclosure and gas valve to
pressure switch.
b. Connect tube from collector box to pressure switch.
9. Reconnect motor leads to quick-connect.
10. Reconnect drain tube to inducer motor mounting cover
plate.
11. Remove cap and clamp from unused drain connection on
old inducer motor mounting cover plate and install on new
inducer motor mounting cover plate.
12. Connect vent pipe by inserting pipe through elastomeric
(rubber) coupling and then fully into inducer housing outlet. Tighten coupling clamp screw(s) to 15 in.-lb of
torque.

16. Reconnect

wires to gas valve.

gram for proper

17. Turn on gas and electrical
CARBON
PROPERTY

MONOXIDE
POISONING
DAMAGE
HAZARD

Failure to follow
this warning
could
iniury, death and/or property damage.

result

AND

18. Check

14. Replace
15. Using

burner
a back-up

orientation,

assembly
screws.

with gas valve to burner

FIRE

wrench

to prevent

rotation

supplies

to unit.

for gas leaks.

AND EXPLOSION

HAZARD

Never check for gas leaks with an open flame. Use a
commercially available soap solution made specifically for
the detection of leaks to check all connections,

box.
19. Check

gas supply

furnace

20. Reinstall

and improper

operation

main furnace

through

2 complete

cycles.

door.

pipe to gas valve.

Table

1 - Kit Applicability

Fixed Speed Condensing
350AAV
350MAV
353AAV

345MAV

024040

036040

320725-756

024060
036060
048060

320725-756

Furnace Inducer Kits
58MCA
58MCB

58MEB
58MXA
58MXB

58MSA

PG9MAA
PG9MAB
490AAV

024040

040-08

024040

036040

040-12

036040

024060
036060
048060

060-08
060-12
060-16

024060
036060
048060

036080
048080
060080

080-12
080-16
080-20

036080
048080
060080

320725-756

048100
060100

100-16
100-20

048100
060100

320725-757

060120

120-20

060120

320725-758

060140

140-20

060140

Kit Part Number

320725-756

340AAV
340MAV

dia-

Failure to follow this warning could result in personal
injury, death and/or property damage.

box cover.

reconnect

wiring

in personal

After completing
installation,
vent pipe must be installed
and fully seated
against inducer
housing
internal
stop.
Coupling clamp screw(s) must be tightened to 15 in.-lb of
torque to prevent disassembly
of vent from furnace, and to
prevent vent gas and condensate leakage.

13. Reinstall manifold
Replace mounting

Refer to furnace

wire location.

351 DAS

036080
048080
060080

2009 CA(

Manufacturer

_BDP • 7310 W. Morris St. • Iudianapolis,

reserves

the right to change,

IN 46231

at any time, specifications

and designs

Edition Date: 09_09

Printed in U.S.A.
without

notice and without

obligations.

Catalo_l
Replaces:

No: IIK320725-002

IIK320725

001. IIK320725

753

001

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Producer                        : Goby Monitor Application version 4, 0, 0, 13
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CARRIER Furnace/Heater, Gas Manual L1002455

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