Carrier 58CTA/CTX User Manual download pdf (Page 34)

A04129

Fig. 50 -- Knockout Pulled Loose

A04130

Fig. 51 -- Hammer and Screwdriver Used for Knockout

A04131

Fig. 52 -- Remove Knockout with Hammer

BURN HAZARD

Failure to follow this caution may cause personal injury.

Hot vent pipe is within reach of small children when

installed in downflow position.

See the following instruction.

CAUTION

An accessory Vent Guard Kit, KGAVG0101DFG is REQUIRED

for downflow applications for use where the vent exits through

the lower portion of the furnace casing door. Refer to the Vent

Guard Kit Instructions for complete details.

The horizontal portion of the venting system shall slope upwards

not less than 1/4--in. per linear ft. (6 mm/.3 M) from the furnace

to the vent and shall be rigidly supported every 5 ft. (1.5 M) or

less with metal hangers or straps to ensure there is no movement

after installation.

SIDEWALL VENTING

This furnace is not approved for direct sidewall horizontal

venting.

In the U.S.: Per section 10.3.4 of the NFPA 54 / ANSI

Z223.1--2006, any listed mechanical venter may be used, when

approved by the authority having jurisdiction.

In Canada: Per section 8.24.2 of the CAN/CSA--B149.1--05,

any listed mechanical venter may be used, when approved by the

authority having jurisdiction.

Select the listed mechanical venter to match the Btuh input of the

furnace being vented. Follow all manufacturer’s installation

requirements for venting and termination included with the listed

mechanical venter.

START--UP, ADJUSTMENT, AND SAFETY

CHECK

Step 1 — General

FIRE HAZARD

Failure to follow this warning could result in personal

injury, death and/or property damage.

This furnace is equipped with manual reset limit switches in

the gas control area. The switches open and shut off power

to the gas valve if a flame roll--out or overheating condition

occurs in the gas control area. DO NOT bypass the

switches. Correct problem before resetting the switches.

WARNING

1. Maintain 115--v wiring and ground. Improper polarity will

result in rapid flashing LED and no furnace operation.

2. Make thermostat wire connections at the 24--v terminal

block on the furnace control. Failure to make proper con-

nections will result in improper operation. (See Fig. 23.)

3. Gas supply pressure to the furnace must be greater than

4.5--in. wc (0.16 psig ) but not exceed 14--in. wc (0.5

psig).

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, safety glasses and

gloves when handling parts and servicing furnaces.

CAUTION

4. Check all manual--reset switches for continuity.

5. Install blower compartment door. Door must be in place to

operate furnace.

6. Setup switch descriptions The 2 stage furnace has DIP

switches used to select thermostat staging and blower off

delay timings. For switch locations on Furnace control

board, See Fig. 33 and 57.

7. Setup switch descriptions -- See Table 10.

58CT

1 2 ... 29 30 31 32 33 34 35 36 37 38 39 ... 55 56

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Carrier 58CTA/CTX User Manual Page 34

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