Klimaire GM80S Series - Manual (Page 25)

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I&O manual
CAUTION
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.
CUT HAZARD
WARNING
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 rollout or overheating condition occurs in
the gas control area. DO NOT bypass the switches. Correct
inadequate combustion air supply problem before resetting the
switches.
FIRE HAZARD
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WARNING
Failure to follow this warning could cause personal injury, death
and/or property damage.
Never test for gas leaks with an open flame. Use a commer-
cially available soap solution made specifically for the detection
of leaks to check all connections.
FIRE AND EXPLOSION HAZARD
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WARNING
Failure to follow this warning could cause personal injury, death
and/or property damage.
Never test for gas leaks with an open flame. Use a commer-
cially available soap solution made specifically for the detection
of leaks to check all connections.
FIRE AND EXPLOSION HAZARD
WARNING
Failure to follow this warning could result in personal injury, or
death.
Blower access door switch opens 115V power to control.
No component operation can occur unless switch is closed.
Caution must be taken when manually closing this switch
for service purposes.
ELECTRICAL SHOCK HAZARD
1. Maintain 115V wiring and ground. Improper polarity will result in
rapid flashing LED and no furnace operation. (See Fig. 27)
2. Make thermostat wire connections at the 24-V terminal block on
the furnace control. Failure to make proper connections will result
in improper operation. (See Fig. 27.)
3. Gas supply pressure to the furnace must be greater than 4.5-in.
wc (0.16 psig ) but not exceed 14-in. we (0.5 psig).
4. Check all manual-reset switches for continuity.
5. Install blower compartment door. Door must be in place to
operate furnace.
6. Replace outer door.
1. Purge gas lines after all connections have been made.
2. Check gas lines for leaks.
3. This furnace is also equipped with a self-diagnosing electronic
control module. In the event a furnace component is not operating
properly the control module LED will flash on and off in a factory-
programmed sequence depending on the problem encountered.
This light can be viewed through the observation window in the
blower access door. Refer to the Troubleshooting Chart for further
explanation of the lighting codes.
Follow the start-up and adjustment items refer to further
information in Operational Checks.
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1. Close the manual gas shutoff valve external to the furnace.
2. Turn off the electrical power to the furnace.
3. Set the room thermostat to the lowest possible setting.
4. Remove the burner compartment door.
NOTE: This furnace is equipped with an ignition device which
automatically lights the burner. Do not try to light the burner by
hand.
5. White-Rodgers Models 36J22-214: Push the switch to the OFF
position.
6. Wait five minutes to clear out any gas. Then smell for gas
including near the floor.
7. If gas can be smelled following the five minute waiting period in
Step 6 If you do not smell gas after five minutes. Push the
switch to the ON position.
8. Replace the door on the front of the furnace.
9. Open the manual gas valve external to the furnace.
10. Turn on the electrical power supply to the furnace.
11. Set the room thermostat to the desired temperature.
NOTE: There is an approximate 48 second delay between thermostat
energizing and burner firing.
FURNACE SHUTDOWN
1. Set the thermostat to lowest setting.
2. Turn off the electrical power supply to the furnace.
3. White-Rodgers Models 36J22-214: Push switch to the OFF position.
4. Close manual gas shutoff valve external to the furnace.
5. Replace the door on the unit.