Inspecting Burner - Procom RD-C Instruction Manual

OPERATING
Continued
Note: If pilot goes out, repeat steps 3 through 8. This heater has a safety interlock system. Wait one (1) minute before
lighting pilot again.
8. Turn control knob counterclockwise
any heat level between 1 and 5.
CAUTION: Do not try to adjust heating levels by using the equipment shutoff valve.
THERMOSTATIC CONTROL OPERATION
The thermostatic control used on this model differs from standard thermostats. Standard thermostats simply turn the
burner on and off. The thermostat used on this heater senses the room temperature. At times the room may exceed the
set temperature. If so, the burner will shut off. The burner will cycle back on when room temperature drops below the set
temperature. The control knob can be set to any comfort level.
Note: The thermostat sensing bulb measures the temperature (depending on housing construction,
The thermostatic control used on this model differs from standard thermostats. Standard thermostats simply turn the
burner on and off. The thermostat used on this heater senses the room temperature. At times the room may exceed the
set temperature. If so, the burner will shut off. The burner will cycle back on when room temperature drops below the set
temperature. The control knob can be set to any comfort level between HIGH (5) and LOW (1).
TO TURN OFF GAS APPLIANCE
Shutting Off Heater
1. Turn control knob clockwise

INSPECTING BURNER

Check pilot flame pattern and burner flame pattern
PILOT FLAME PATTERN
Turn control knob to pilot position
1.
Inspect pilot flame and refer to Figure 19 and 20.
2.
·
Figure 19 shows a correct pilot flame pattern.
·
Figure 20 shows an incorrect pilot flame pattern. The incorrect pilot flame
is not touching the thermocouple. This will cause the thermocouple to cool.
When the thermocouple cools, the heater will shut down.
·
If the pilot flame is incorrect, as shown in Figure 20.
Turn heater off (see "To Turn Off Gas to Appliance," page 14)
See Troubleshooting, page 15 through 17.
BURNER FLAME PATTERN
Figure 21 shows a correct burner flame pattern. Figure 22 shows an incorrect burner flame pattern. If pilot flame pattern is
incorrect, as shown in Figure 22:
·
turn heater off (see "To Turn Off Gas to Appliance," page 14).
·
see Troubleshooting, pages 15 through 17.
Figure 21 – Correct Burner Flame Pattern
to desired heating level. The main burner should light. Set control knob to
to the OFF position.
14
Figure 19 – Correct Pilot Flame Pattern
Figure 20 – Incorrect Pilot Flame Pattern
Figure 22 – Incorrect Burner Flame Pattern