Archgard 25-BVI20N-3, Руководство пользователя по установке, эксплуатации и техническому обслуживанию, Страница: 25 / 44

25-BVI20N – 3 25
SERVICING
Before servicing, read the terms and conditions of the Archgard warranty at the back of the
manual. Contact the Archgard authorized dealer from which you have purchased the appliance
and provide him with details of the problem and the installation information which the installer
has filled out at the back of this manual.
•
The primary air shutter is located underneath the burner.
•
Loosen the air shutter set screw with a Philips ‘+’ or a #3 Robertson ‘

’ screwdriver.
•
Rotate air shutter by hand. The primary air opening size can be easily seen.
•
Tighten the air shutter set screw after adjustment.
CAUTION: Adjust the primary air shutter only when the appliance is cool to the touch.
SERVICING UNDER WARRANTY
•
Remove the control cover.
•
The pressure test taps are located on the front of the valve. The supply pressure is marked
‘ IN ’ and the manifold pressure is marked ‘ OUT ’. There is also an arrow marking the
direction of gas flow.
•
Loosen the set screw inside the tap with a ⅛ ” wide flat screw driver.
•
Connect a
¼
” rubber tube to the tap and a pressure gauge.
•
Be sure to tighten the set screw inside the tap after you are finish taking
pressure readings and check for gas leaks.
CHECKING SUPPLY AND MANIFOLD GAS PRESSURE
The pilot flame should fully envelop
the thermocouple and thermopile with
a strong blue cone flame. If
a lazy flame is observed this could
cause the unit to shut down.
ADJUSTING PRIMARY AIR
PILOT ADJUSTMENT
The left side shows correct adjustment. The right side shows
yellow sooty flames requiring increase in shutter opening or
cleaning of shutter area, due to lint buildup.
FLAMES