Gas Connection - Heatilator CRAVE4836 Installation Manual

If additional access is needed, proceed as follows:
5. Remove glass assembly from appliance by unlatch-
ing the top spring latches from the glass frame and
lifting glass frame assembly out of the bottom brack-
et.
6. Remove interior media and refractory from the unit if
already installed.
7. Remove the media tray. It is attached to the interior
fi rebox bottom with ten screws. See Figure 9.3.
8. Remove the two screws that attach the pilot to the
burner.
9. Remove the four screws securing the burner to the
fi rebox sides and disengage burner from orifi ce. Re-
move burner. See Figure 9.3.
10. Remove the eight screws that secure the glass window.
Remove the glass window. Handle with care. See
Figure 9.4.
11. Remove light tray from appliance by lifting up and out
through the bottom glass opening.
PILOT SHIELD
MEDIA TRAY
BURNER ASSEMBLY
Figure 9.3. Media Tray with Burner and Pilot Shield
Figure 9.4. Gas and Electrical Access - Remove Glass Window
Heatilator • CRAVE4836, CRAVE4836ST, CRAVE6048, CRAVE6048ST Installation Manual • 2301-970 Rev. E • 8/14
GAS VALVE
GAS ACCESS
Figure 9.5. Gas Fitting Access
D. Gas Connection
• Refer to Reference Section 3.A for location of gas line
access in appliance.
• Gas line may be run through the left 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
infi ltration.
• 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 build-up dur-
ing line purge could ignite.
• Purge should be performed by qualified service
technician.
• Ensure adequate ventilation.
• Ensure there are no ignition sources such as sparks
or open fl ames.
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 fi ttings and connections with a non-corrosive
commercially available leak-check solution. DO NOT use
open fl ame. Fittings and connections could have loos-
ened during shipping and handling.
WARNING! Risk of Fire! DO NOT change valve settings.
This valve has been preset at the factory.
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