Form RGM 433-CV/LN, Mfg No. 177854 (Revision 1), Page 15
19. Check Installation & Start-up
Check the installation prior to start-up:
o
Check suspension. Unit must be secure and level.
o
Check clearances from combustibles. Requirements are shown in
Paragraph 7.
o
Check vent system to be sure that it is installed according to the
instructions in Paragraph 11.
o
Check piping for leaks and proper gas line pressure. Bleed gas lines
of trapped air. See Paragraph 12.
o
Check electrical wiring. Be sure all wire gauges are as recommended.
A service disconnect switch should be used. Verify that fusing or
circuit breakers are adequate for the load use.
Heater Start-Up:
WARNINGS: For your safety, read before
operating. If you do not follow these instructions
exactly, a fire or explosion may result causing
property damage, personal injury, or loss of life.
• This appliance does not have a pilot. It is
equipped with an ignition device which auto-
matically lights the burner. Do not try to light
the burner by hand.
• Before operating, smell all around the appli-
ance area for gas. Be sure to smell next to the
floor because some gas is heavier than air and
will settle on the floor.
WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance.
• Do not touch any electrical switch; do not use any
phone in your building.
• Immediately call your gas supplier from a
neighbor's phone. Follow the gas supplier's in-
structions.
• If you cannot reach your gas supplier, call your
fire department.
• Use only your hand to turn the gas control ON/
OFF knob on the gas valve. Never use tools. If
the valve ON/OFF knob will not turn by hand,
do not try to repair it. Call a qualified service
technician. Force or attempted repair may re-
sult in a fire or explosion.
• Should overheating occur, or the gas supply fail
to shut off, turn off the manual gas valve to the
appliance before shutting off the electrical sup-
ply.
• Do not use this appliance if any part has been
under water. Immediately call a qualified ser-
18. Burners
This unit heater has inshot burners designed to provide controlled flame
stability without lifting or flashback with either natural or propane gas.
The burners are lightweight and factory mounted in an assembly which
permits them to be removed as a unit for inspection or service.
vice technician to inspect the appliance and to
replace any part of the control system and any
gas control which has been under water.
Operating Instructions and Operating
Sequence
1. Set thermostat at lowest setting.
2. Turn off all electric power to the appliance.
3. This appliance is equipped with an ignition device which automati-
cally lights the burner. Do not try to light the burner by hand. Open
the access door and locate the gas control (ON/OFF) knob on the
gas valve. (See Figure 9.)
4. Turn the gas control knob clockwise
C
C
C
C
C
to "OFF".
5. Wait five (5) minutes to clear out any gas. Then smell for gas, in-
cluding near the floor. If you smell gas, STOP! and follow the
steps in the WARNINGS printed on the left or on the Operating
Label on the heater. If you do not smell gas, proceed to the next
step.
6. Turn the gas control knob counterclockwise
D
D
D
D
D
to "ON".
7. Close the access door.
8. Turn on the electric power to the heater.
9. Set the thermostat to the desired setting.
NOTE: If the appliance does not operate, follow the instructions "To
Turn Off Gas to Appliance" printed below (and on the Operating Label
on the heater) and call your service technician.
10. Thermostat calls for heat, energizing the venter motor.
11. Venter pressure switch closes, firing the unit.
12. Burner flame is sensed and in 30 seconds, the fan motor is ener-
gized.
13. If the flame is extinguished during the main burner operation, the
integrated control system closes the main valve and must be reset
by interrupting power to the control circuit. (See lighting instruc-
tions on the heater.).
TO TURN OFF GAS TO THE APPLIANCE
1) Set thermostat to lowest setting
2) If service is to be performed, turn off all electric power to the
appliance.
3) Open the access door.
4) Turn the gas control knob clockwise
C
C
C
C
C
to "OFF". Do not force.
5) Close the access door.
Check installation after start-up:
o
Vent System Testing Procedure
1. Seal any unused openings in the venting system.
2. Inspect the venting system for proper size and horizontal pitch, as
required in the National Fuel Gas Code, ANSI Z223.1 or CAN/
Gas
Flow
Gas Control
Knob (shown
in the ON
position)
Figure 9 -
Gas Valve
