Carrier 97CMN High Efficiency Gas Furnace User Manual

Carrier 97CMN High Efficiency Gas Furnace User Manual

NOTE: Read the entire instruction manual before starting the installation.

SAFETY CONSIDERATIONS

Improper installation, adjustment, alteration, service, maintenance, or use can cause explosion, fire, electrical shock, or other conditions which may cause death, personal injury, or property damage. Consult a qualified installer, service agency, 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 packaged with the kits or accessories when installing.
Follow all safety codes. Wear safety glasses, protective clothing, and work gloves. Have a fire extinguisher available. Read these instructions thoroughly and follow all warnings or cautions included in literature and attached to the unit. Consult local building codes, the current editions of the National Fuel Gas Code (NFGC) NFPA 54/ANSI Z223.1 and the National Electrical Code (NEC) NFPA 70.
In Canada, refer to the current editions of the National Standards of Canada CAN/CSA-B149.1 and .2 Natural Gas and Propane Installation Codes, and Canadian Electrical Code CSA C22.1.

Recognize safety information. This is the safety-alert symbol . When you see this symbol on the unit and in instructions or manuals, be alert tothe potential for personal injury.
Understand the signal words DANGER, WARNING, and CAUTION. These words are used with the safety-alert symbol. DANGER identifies the most serious hazards which will result in severe personal injury or death. WARNING signifies hazards 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.
NOTE is used to highlight suggestions which will result in enhanced installation, reliability, or operation.

WARNING

FIRE, EXPLOSION, ELECTRICAL SHOCK HAZARD
Failure to follow this warning could result in personal injury, death and/or property damage.
The ability to properly perform maintenance on this equipment requires certain knowledge, mechanical skills, tools, and equipment. If you do not possess these, do not attempt to perform any maintenance on this equipment other than those procedures recommended in the Home Owner’s Information Manual.

WARNING

FIRE, EXPLOSION, ELECTRICAL SHOCK AND CARBON MONOXIDE POISONING HAZARD
Failure to follow this warning could result in personal injury, death and/or property damage.
Improper installation, adjustment, alteration, service, maintenance, or use can cause carbon monoxide poisoning, explosion, fire, electrical shock, other conditions, which could result in personal injury or death.
Consult your distributor or branch for information or assistance. The qualified installer or agency must use only factory-authorized kits or accessories when servicing this product.

WARNING

ELECTRICAL SHOCK, FIRE OR EXPLOSION HAZARD
Failure to follow this warning could result in personal injury or death, or property damage.
Before installing, modifying, or servicing system, main electrical disconnect switch must be in the OFF position and install a lockout tag.
There may be more than one disconnect switch. Lock out and tag switch with a suitable warning label. Verify proper operation after servicing.

INTRODUCTION

This instruction covers the outer door installation on 35 in. (889 mm) tall condensing gas furnaces.
The door should be replaced when it is missing or severely damaged.
Minor damage or scrapes may be repaired and the finish repaired with touch-up paint.

DESCRIPTION AND USAGE

The door replacement kit can be utilized to restore units having missing door or doors severely damaged beyond repair. This kit contains the following items: Outer Door assembly with latches and model specific Instruction Booklets matched to different types of furnaces.
The Instruction Booklets are matched to specific model families as shown in Table 1. Match the QUICK REFERENCE NUMBER and affix new booklet to the new door assembly.

Fig. 1 – Quick Reference Number

INSTALLATION

CAUTION

CUT HAZARD
Failure to follow this caution may result in personal injury.
Sheet metal parts may have sharp edges or burrs. Use care and wear appropriate protective clothing and gloves when handling parts.

1. Remove all packing materials from Outer Door.
2. Remove the Instruction Booklets.
3. Orient door to the correct installation position.
4. Brand logo may be repositioned to the correct position.
5. To reposition logo Fig. 2:
   a. Depress plastic retaining pins on reverse side of logo.
   b. Push logo out of mounting holes in outer door.
   c. Rotate logo to correct position and align logo retaining pins with holes in outer door.
   d. Snap logo into place by pushing on front of logo in the area where the retaining pins are located.

Fig. 2 – Inside of Door Assembly

Install the Correct Instruction Booklet

The Instruction Booklets have a quick reference number in a black circle on the lower right corner of the safety information panel. A portion of the label is shown below in Fig. 1. The full label is shown in Fig. 3.
To locate the correct Instruction Booklet:

1. Verify the furnace model number from the unit rating plate on the inside of the blower door.
2. Locate the quick reference number next to the furnace model in Table 1.
3.  Locate the correct Instruction Booklet
4. Remove the adhesive backing from Instruction Booklet
5. Center the Instruction Booklet on the inside of the new door assembly (see Fig. 2).
6. Press the booklet firmly in place.
7. Install both furnace doors.
8. Check for proper engagement of the blower door switch by running the furnace through one heating cycle.

NOTE: Extra labels may be kept for future use or discarded.

Table 1 – Instruction Booklets

R9MSB| 13
R95ESN| 20
R96MSN| 41
R92ESN| 20
R92MSN| 41
R95ESU(A1)| 30
R95ESU(A2)| 31
R95MSU| 42

WFAR| 13
WFSR| 13
WFAX(A)| 20
WFAX(B)| 41
WFSX(A)| 20
WFSX(B)| 41
WFSU(A1)| 30
WFSU(A2)| 31
WFSU(B)| 42
WFST| 46

Fig. 3 – Safety Information Panel

Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.

Booklet Service Kit for Condensing Gas Furnace: OUTER DOOR (BASE) SERVICE KIT

©2022 Carrier. All rights reserved

Edition Date: 10/22

Catalog No: 443 06 4926 00

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