• • •
Thermopile
Thermocouple
MAINTENANCE
MAINTAINING YOUR HEATER’S APPEARANCE
YEARLY SERVICE PROCEDURE
Failure to inspect and maintain heater may lead to improper combustion and a
potentially dangerous situation. A qualified technician should do the following
once a year.
1. Check pilot flame. Flame should touch approximately
3
3. Carefully remove log set. If logs are severely deteriorated, replace logs. Check
logs for sooting. A small amount of soot along bottom of logs is normal. If
excessive sooting is found, heater must be adjusted. Contact dealer where
you bought heater.
Check burner ports
Check walls and
ceiling of firebox for
deterioration
Make sure burner
is
not warped or damaged
NOTE: Make sure heater is cool before cleaning. Using cleaners other than a 50/50 vinegar and water
solution may leave a film that becomes permanently etched into the gold or nickel.
apart, check pilot flame. Flame
should touch thermocouple
and thermopile
/8" of the top of ther-
for service.
2. Turn gas control knob to “OFF” position to shut off gas to heater.
See step “To
and glass
door
.
See page
22
.
• Check burner ports for cracks, warpage and corrosion.
• Make sure burner assembly is not warped or damaged.
• Check firebox and area around pilot to make sure there is no warping or damage.
If any problem is found, do not use heater. Contact your dealer for service.
Figure
29
- Before taking unit
Turn Off Gas”, page
24
.
Let heater cool for 15 minutes. Remove faceplate
mopile and touch top of thermocouple.
See Figure
29
.
If not, contact dealer
4.
Clean burner and burner ports. Inspect the following.
See Figure
3
0
:
Figure
3
0
- Checking Burner Ports, Burners, Walls, and Ceiling of Unit
2
7
Continued on
Next
P
age
Summary of Contents for DVI 750
Page 31: ...REPLACEMENT PARTS Continued on Next Page 31 21 22 23 19 ...
Page 34: ...127 6 ...