Draft Test Procedure - Harman Stove Company Accentra Service Training

• Remove draft test plug bolt. (9/16 wrench)
• Remove hose from draft meter
• With meter standing vertical, adjust needle to zero
• Hook up the test hose to the "low" port on the meter this is
the port for measuring negative pressure
• Attach the other end of the hose to the test port on the stove
using the bolt-tube fitting supplied in the kit
• Turn feed adjuster knob to "Test" All motors will run on
high. Record high draft reading (.5" W.C.or more)
• After approximately 2 minutes the two blowers will begin
to alternate between high and low. When the combustion
blower is on low, record the low draft reading (.2"W.C.to
.35" W.C.) Remember; This is negative pressure.
• Turn unit off of "test"
• Remove hose from stove port
• Replace draft test plug bolt

Draft Test Procedure

For Units with "test" mode
Harman Pellet Service Training 21