Control Knob
Figure 16
Figure 17
CAUTION: Do not try to adjust heating level by using equipment shutoff valve.
WARNING: When running heater, set control knob at “LO” or “HI” locked positions. Poor combustion and higher levels of carbon monoxide may result if heater is operated with control knob positioned between locked positions.
IMPORTANT: Release downward pressure while turning control knob. Control knob must be locked at the desired position.
TO TURN OFF GAS TO APPLIANCE
SHUTTING OFF HEATER:
1.Turn control knob clockwise to the OFF position.
2.Turn off equipment shutoff valve.
SHUTTING OFF BURNER ONLY (PILOT STAYS LIT)
1.Turn control knob clockwise to the PILOT/IGN position.
INSPECTING BURNER
Check pilot flame pattern and burner flame pattern often.
PILOT FLAME PATTERN
Figure 21 show a correct pilot flame pattern. Figure 22 shows an incorrect pilot flame pattern. The incorrect pilot flame pattern is not touching thermocouple. This will cause the thermocouple to cool. When the thermo-
couple cools, the heater will shut down. If pilot flame pattern is incorrect, as shown in Figure 22:
•Turn heater off (see To Turn OFF Gas to Appli- ance, page 11 for
•See Troubleshooting, pages 14 and 15.
Figure 22
BURNER FLAME PATTERN
Figure 23 show a correct burner flame pattern. Figure 24 shows an incorrect burner flame pattern. If burner flame pattern is incorrect, as shown in Figure 24:
•Turn heater off (see To Turn OFF Gas to Appli- ance, page 11 for
•See Troubleshooting, pages 14 and 15.
1/2 Steel Panel
Height
Figure 23
1/2 Steel Panel
Height
Figure 24
CLEANING AND MAINTENANCE
WARNING: Turn off heater and let cool before servicing.
CAUTION: You must keep control areas, burner and circulation air passageways of heater clean. Inspect these areas of heater before use. Have the heater inspected yearly by a qualified service person. Heater may need more frequent cleaning due to excess lent from carpeting, bedding material, pet hair, etc.
10Installation instructions and Owner’s Manual
