Empire Comfort Systems PV-28SV50-B - Manual (Page 39)

24820-1-0409 Page 39
GAS CONVERSION INSTRUCTIONS
Warning: Conversion must be done by a qualified service technician. Main burner orifices, front burner
bushing, and gas conversion label are provided in conversion kit attached to manifold pipe.
CONVERSION INSTRUCTIONS FROM (LP) PROPANE GAS TO NATURAL GAS
1. Turn OFF gas supply and electrical power to fireplace.
2. Remove lower front panel.
3. Unscrew regulator stem from gas valve and reverse regulator stem to the natural gas position and screw stem back into gas valve.
See Figure 44.
4. Open four (4) door latches in order to pivot open the front door.
5. Remove logs from fireplace.
Caution: Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and dangerous
operation. Verify proper operation after servicing.
6. Disconnect caps and plugs on flame sensor and hot surface ignitor.
7. Remove log plate from interior of fireplace by removing twelve (12) screws. See Figure 56.
8. Remove front burner (one (1) screw).
9. Use 3/8” socket or wrench to remove propane gas front burner orifice marked 1.10 from orifice fitting. Replace with natural gas
front burner orifice marked 1.50 into orifice fitting.
10. Insert natural gas front burner bushing into throat (Venturi) of front burner. See Figure 45.
11. Replace front burner with one (1) screw from Step 8.
12. Remove rear burner (one (1) screw).
13. Use 3/8” socket or wrench to remove propane gas rear burner orifice marked 1.45 from orifice fitting. Replace with natural gas
rear burner orifice marked 43 into orifice fitting.
14. Replace rear burner with one (1) screw from Step 12.
15. Connect caps and plugs on flame sensor and hot surface ignitor.
16. Install log plate into fireplace with twelve (12) screws from Step 7.
17. Replace logs into fireplace. Refer to page 18, Log Placement for correct placement of logs.
18. Close front door by securing four (4) door latches.
19. Replace lower panel.
20. Place Propane gas burner orifice(s) into conversion kit. Attach conversion kit to manifold pipe. Attach gas conversion label adjacent
to fireplace nameplate indicating that the fireplace was converted to Natural gas.
21. Turn ON gas supply to fireplace and check all gas connections for leaks with soap solution, watching for bubbles on all gas con-
nections.
22. Turn ON electrical power to fireplace and turn on fireplace to verify proper operation. It may take several tries for ignition to
completely purge all the air from the gas line.
REGULATOR STEM
ADD BUSHING FOR
NATURAL GAS
Figure 44
Figure 45