2.Remove the base pan. It is attached with 14 screws to the interior firebox bottom and with 19 screws to the burner assembly. If your appliance is a model that has the glass rock media, you must also remove the pilot shield cover at this time. See Figure 11.2 and Figure 11.3.
3.Remove the two screws securing the burner to the firebox sides and disengage burner from over orifice. Remove burner. See Figure 11.3. Remove screws from pilot assembly.
4.Remove access panel covers or glass windows, along with gaskets. Gaskets may be fragile. Handle with care. See Figure 11.2.
INNER ACCESS WINDOWS |
(FOR USE AFTER FINISHING) |
ACCESS PANEL |
(For use prior to finishing) |
OUTER ACCESS PANEL TRAY |
(For use after finishing) |
Figure 11.2 Gas and Electrical Access
C. Gas Connection
•Refer to Reference Section 16 for location of gas line access in appliance.
•Gas line may be run through either side of appliance.
•The gap between supply piping and gas access hole may be caulked with caulk with a minimum of 300ºF continuous exposure rating or stuffed with non- combustible, unfaced insulation to prevent cold air infiltration.
•Ensure that gas line does not come in contact with outer wrap of the appliance. Follow local codes.
•Pipe incoming gas line into valve compartment.
•Connect incoming gas line to the 1/2 in. (13 mm) connection on manual shutoff valve.
WARNING! Risk of Fire or Explosion! Support control when attaching pipe to prevent bending gas line.
• A small amount of air will be in the gas supply lines.
WARNING! Risk of Fire or Explosion! Gas
•Purge should be performed by qualified service technician.
•Ensure adequate ventilation.
•Ensure there are no ignition sources such as sparks or open flames.
Light the appliance. It will take a short time for air to purge from lines. When purging is complete the appliance will light and operate normally.
WARNING! Risk of Fire, Explosion or Asphyxiation! Check all fittings and connections with a
WARNING! Risk of Fire! DO NOT change valve settings. This valve has been preset at the factory.
Figure 11.3. Base Pan with Burner and Pilot Cover
GAS SHUT OFF VALVE
Figure 11.4 Gas Fitting Access
D. High Altitude Installations
NOTICE: If the heating value of the gas has been reduced, these rules do not apply. Check with your local gas utility or authorities having jurisdiction.
When installing above 2000 feet elevation:
•In the USA: Reduce burner orifice 4% for each 1000 feet above 2000 feet.
•In CANADA: Reduce burner orifice 10% for elevations between 2000 feet and 4500 feet. Above 4500 feet, consult local gas utility.
60 | Heat & Glo • RED60 • |