Firebox Vacuum Testing - Quadra-Fire MT VERNON-AE Troubleshooting Manual

MT VERNON-AE TROUBLE SHOOTING MANUAL
STEP 1) INSTALL A VACUUM "T" BETWEEN THE VACUUM
SWITCH AND DROP TUBE.
STEP 2) INSTALL THE VACUUM GAUGE TO THE "T".
STEP 3) START THE STOVE AND SET TO MANUAL "HIGH".
***note: make sure fuel is in the hopper as this can
effect the vacuum reading. It takes .04 inches of water to close
the vacuum switch.****
ALL VACUUM READINGS ARE MEASURED IN INCHES OF WATER
COLUMN. LONG VERTICAL VENT RUNS WILL PRODUCE MORE
VACUUM COMPARED TO HORIZONTAL RUNS.
9-30-2010

FIREBOX VACUUM TESTING

TECH TIPS:
Low vacuum can be the result
of a leaking door gasket, firepot
not closing all of the way, dirty
heat exchanger, or plugged
vent system.
Always make sure the unit
is clean before making any
repairs.
VACUUM "T"
Vacuum Stats:
UTILITY SETTING: (vertical vent)
Start-up during pre-heat --- .04
Start-up while dropping pellets --- .19
Soft Start LOW ---- .19
Soft Start MEDIUM ---- .15
HIGH ---- .14
SHUTDOWN --- .12
Vacuum Stats:
HARDWOOD: (vertical vent)
Start-up during pre-heat --- .04
Start-up while dropping pellets --- .15
Soft Start LOW ---- .17
Soft Start MEDIUM ---- .15
HIGH ---- .15
SHUTDOWN --- .10
Vacuum Stats:
SOFTWOOD: (vertical vent)
Start-up during pre-heat --- .05
Start-up while dropping pellets --- .16
Soft Start LOW ---- .14
Soft Start MEDIUM ---- .12
HIGH ---- .11
SHUTDOWN --- .09
VACUUM SWITCH
PAGE 12
7020-057D