Installation Guide
www.usaprocom.com
200199-01B18
 WARNING: You must operate 
this heater with the door closed 
and in the locked position. 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.  Turn control knob counterclockwise   
to  the  PILOT  position.  Press  in  control 
knob for ve (5) seconds.
  Note: The rst time that the heater is oper-
ated 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 qualied 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.
6.  With  control  knob  pressed  in,  push 
down  and  release  ignitor  button.  This 
will  light  pilot.  The  pilot  is  attached  to 
the  rear  of  the  burner. If  needed,  keep 
pressing  ignitor  button  until  pilot  lights. 
Note: If pilot does not stay lit, refer to 
Troubleshooting, page 25. Also contact a 
qualied service technician or gas supplier 
for repairs. Until repairs are made, light 
pilot with match. To light pilot with match, 
see Manual Lighting Procedure, page 19.
7.  Keep control knob pressed in for 30 sec-
onds after lighting pilot. After 30 seconds, 
release control knob.
  Note: If pilot goes out, repeat steps 3 
through 7. This heater has a safety inter-
lock system. Wait one (1) minute before 
lighting pilot again.
8.  Turn control knob counterclockwise   
to  the  desired  heating  level.  The  main 
burner  should  light.  Set  control  knob  to 
any heat level between HI (5) and LO (1).
  Note: Please wait one minute after shut-
ting off replace to allow the control valve 
to reset before starting again.
 CAUTION: Do not try to ad-
just heating levels by using the 
equipment shutoff valve.
 WARNING: If input gas 
type is NG, make sure NG pilot 
burner ignites. If input gas type 
is LP, make sure LP pilot burner 
ignites.
MODEL PCNSD25TA
LIGHTING INSTRUCTIONS
Ignitor 
Button
Control Knob
Figure 19 - Ignitor Button and Control 
Knob Locations
OPERATION










