11. To install burner spoiler screws, follow the following steps:
a. Disconnect Hot Surface Igniter (HSI) wires from HSI.
b. Disconnect Flame Sensor wire from Flame Sensor.
c. Slide one-piece burner assembly out of slots on sides of burner box.
d. Remove the Hot Surface Igniter (HSI) and bracket from the burner assembly.
e. Remove the flame sensor from the burner assembly.
f. Locate the dimple on each burner venturi tube.
g. Drill a 5/64
″
hole in each dimple with drill bit provided with spoiler screws.
h. Install a spoiler screw in each drilled hole as straight as possible.
NOTE:
Models 58CTX, 58CVX, 58DLX, 58STX, 310JAV, 311JAV, 312JAV, 315JAV and PG8JAA are supplied with NOx emissions-reduction
devices necessary for use with Natural Gas in NOx emissions-regulated areas.
CAUTION: UNIT DAMAGE HAZARD
Failure to follow this caution may result in premature unit failure.
Furnace models 58CTX, 58CVX, 58DLX, 58STX, 310JAV, 311JAV, 312JAV, 315JAV and PG8JAA MUST have low NOx devices
removed prior to operating furnace on propane gas.
12. For NOx device removal, follow the following additional steps:
a. Remove the screw underneath the heat exchanger inlet that secures the NOX device in the heat exchanger (See Fig. 5.)
b. Use a pair of needle nose pliers to remove the NOx device. Squeeze the sides of the device if necessary to remove from the heat
exchanger.
Fig. 2—Component Location
A03059
VENT ELBOW
DRAFT
SAFEGUARD
SWITCH
GAS MANIFOLD
GAS BURNER
FLAME SENSOR
BLOWER DOOR
SAFETY SWITCH
BLOWER AND
MOTOR
PRESSURE
SWITCH
FLUE
COLLECTOR
BOX
GAS VALVE
MANUAL RESET
LIMIT SWITCHES
HOT SURFACE
IGNITER
CONTROL
MAIN LIMIT SWITCH
(BEHIND GAS VALVE)
INDUCER MOTOR
ASSEMBLY
RATING PLATE
NOT SHOWN
(LOCATED ON
BLOWER DOOR)
Fig. 3—Location of Dimple for Spoiler Screw
A03110
Drill out with
5/64” drill bit.
—4—
Содержание KGANP3001ALL
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