Installation Guide
www.usaprocom.com
19200199-01B
 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 present. Open 
damper or window to vent smell. 
This will only last a few hours.
1.  STOP!  Read  the  safety  information  on 
page 17.
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 17. If 
you do not smell gas, go to the next step.
5.  Push  in  control  knob  slightly  and  turn 
counterclockwise    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 29. Also contact a quali-
ed service technician or gas supplier for 
repairs. Until repairs are made, light pilot 
with match.
MODEL PCNSD25RTA
LIGHTING INSTRUCTIONS
Ignitor 
Button
Control Knob
Receiver
Figure 20 - Ignitor Button and Control 
Knob Locations
OPERATION
THERMOSTAT CONTROL OPERATION
The thermostatic control used on this model differs from standard thermostats. Standard ther-
mostats 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 Low (1) and HIGH (5).
Shutting Off Heater
Turn  control  knob  clockwise    to  the 
OFF position.
Shutting Off Burner Only 
(pilot stays lit)
Turn  control  knob  clockwise   to  the 
PILOT position.
1.  Follow steps 1 through 5 under Lighting 
Instructions, page 18.
2.  With control knob in PILOT position, strike 
match, and hold near pilot. Press in control 
knob; 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










