Vermont Casting manual Inspecting the Venting System, Test Chimney Draw, NV360/580 Series, Turn

Models: NV360 NV580

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Turn

NV360/580 Series

Turn

 

 

 

counterclockwise

LO

HI

Turn clockwise

to increase

 

to decrease

 

 

flame height

 

 

flame height

 

 

HV102

Fig. 13 Flame adjustment knob for Honeywell valve.

Turn

IH

Turn clockwise

counterclockwise

 

to increase

 

to decrease
flame height

LO

flame height

 

HV116

 

 

Fig. 14 Flame adjustment knob for SIT 820 valve.

3/8" - 1/2"

 

PSE Pilot

 

 

(10 - 13 mm)

 

 

SIT Pilot

 

 

 

 

F584-703

Fig. 15 Correct pilot flame appearance.

 

Yellow Flame

LG118

Red Glow

DV580

Red Glow

Fig. 16 Correct burner flame appearance.

Inspecting the Venting System

This appliance venting system was designed and con- structed to develop a positive flow adequate to remove flue gases to the outside atmosphere.

Any foreign object in the venting system, except those designed specifically for the venting system, may cause spillage of flue gases.

To inspect the venting system, make sure the main gas valve is off. Remove glass frame (See Window Frame Assembly Removal Section). Using a flashlight, check the area above the baffle in the combustion dome.

Clean if necessary.

Test Chimney Draw

A "Chimney Draw" test must be made before the instal- lation is complete.

1.Close all doors and windows in the home and start exhaust fans in the kitchen and bathroom.

2.Light unit and operate for 5 minutes.

3.Hold an ignited match, cigarette or smoke match in front of the unit. Refer to Figure 17 for location of the draft hood opening.

4.Check to make sure smoke from the match, ciga- rette or smoke match is drawn into the fireplace. If it

DV360

Yellow

Flame

LG121

12

20003565

Page 12
Image 12
Vermont Casting Inspecting the Venting System, Test Chimney Draw, NV360/580 Series, Turn, to increase, to decrease