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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