Carrier 58MVB Owner's Manual page 6

• CHECK A IRFILTER: Before
attempting to start your
furnace, be sure the furnace filter is clean and in place.
See "Perfornfing Routine Maintenance" section in this
manual. Do not run the furnace without a filter in place.
Then proceed as follows:
STEPS FOR STARTING YOUR FURNACE
1. Set your room thermostat to the lowest temperature setting.
See Fig. 6.
Fig. 6 - Lowest Temperature Setting
2. Close the external manual gas valve. See Fig. 7.
Fig. 7 - Close Valve
3. Turn OFF electrical supply to the furnace. See Fig. 8.
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Fig. 9 - Remove Furnace Door
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5. Turn the control switch on the gas control to the OFF position
and wait 5 nfinutes. See Fig. 10. Then smell for gas, including
near the floor. If you smell gas, STOP! Follow "B" on furnace
label. If you don't smell gas, go to next step.
OR
j"
GAS CONTROL SWITCH
SHOWN IN "OFF" POSITION
Fig. 10 - Control Switch to OFF
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6. After waiting 5 nfinutes, turn control switch on the gas control
to the ON position. Turn the control switch to ON. See Fig.
11.
TWO STAGE GAS CONTROL
OR
Fig. 8 - Turn Off Electrical Supply
4. Remove the main furnace door. See Fig. 9.
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Fig. 11 - Control Switch to ON
7. Replace main furnace door. See Fig. 12.
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