Installation Guide
www.usaprocom.com
21200068-01A
11. If the gas logs will not operate, see To Turn 
Off Gas to Appliance and call our technical 
service department at 1-866-573-0674.
 CAUTION: Do not try to ad-
just heating levels by using the 
equipment shutoff valve.
 WARNING: Wait 30 seconds 
before readjusting the heater 
when the control knob has been 
turned down to a lower setting.
OPERATION
Shutting Off Heater
1.  Turn control knob clockwise   to the OFF position.
2.  Close equipment shutoff valve.
1.  Follow steps 1 through 6 under Lighting 
Instructions, page 20.
2.  With  control  knob  pressed  in,  strike  a 
match, and hold near pilot. Pilot should 
light.
3.  Keep control knob pressed in for 30 sec-
onds after lighting pilot. After 30 seconds, 
release control knob. 
4.  Make sure the heater screen is in place 
before operating heater.
TO TURN OFF GAS TO APPLIANCE
MANUAL LIGHTING PROCEDURE
Figure 29 - Pilot Assembly (MVA model)
Ignitor 
Electrode
Thermopile
Thermocouple
Pilot Tube
 WARNING: You  must  oper-
ate this heater with the screen 
in  place.  Make  sure  screen  is 
installed before running heater.
NOTICE: During initial operation 
of new heater, burning logs will 
give off a paper-burning smell. 
Orange ame will also be pres-
ent. Open damper or window to 
vent smell. This will only last a 
few hours.
1.  STOP!  Read  the  safety  information, 
page 19.
2.  Make sure equipment shutoff valve is fully 
open.
3.  Push  in  control  knob  slightly  and  turn 
clockwise   to the OFF position.
4.  Wait ve (5) minutes to clear out any gas. 
Then smell for gas around heater and near 
the oor. If you smell gas, STOP! Follow 
"B" in the safety  information, page 19. If 
you do not smell gas, go to the next step.
5.  Push in and turn the control knob coun-
terclockwise   to the PILOT position. 
Press in control knob for ve (5) seconds.
  Note:  The  rst  time  that  the  heater  is 
operated after connecting the gas supply, 
the control knob should be pressed for 
about thirty (30) seconds. This will allow 
air to bleed from the gas system. If pilot 
does not stay lit, refer to Troubleshooting, 
pages 25 though 28. Also contact a quali-
ed service technician or gas supplier for 
repairs. Until repairs are made, light pilot 
with match.
• If  control  knob  does  not  pop  up  when 
released,  contact  a  qualified  service 
technician or gas supplier for repairs.
MANUAL CONTROL MODELS (HLA)
LIGHTING INSTRUCTIONS










