Specifications

OPTIMA 22 28
Before servicing, read the terms and conditions of the Archgard warranty at the back of the
manual. Contact the authorized Archgard dealer where you purchased the appliance from and
provide them with details of the problem, together with the initial installation information (from
the back of this manual).
WARNING: Servicing of this appliance must be conducted by a qualified service
technician. Improper servicing, adjustment or alteration of this appliance may
cause property damage, personal injury or loss of life. All servicing should be
conducted with the appliance cold. All replacement parts must be authorized by
Archgard for suitability.
1. Open the lower grills.
2. Unscrew the 2 screws holding the control panel and remove the panel.
3. The primary air adjustment wing nut is located behind and to the left of the control valve.
4. Loosen the wing nut and slide the primary air shutter to the right to increase primary air and
to left to reduce primary air.
5. Tighten the wing nut after adjustment.
ADJUSTING PRIMARY AIR
SERVICING UNDER WARRANTY
INCREASE DECREASE
ADJUSTMENT WING NUT
ORIFICE CAP
ORIFICE CENTERING BRACKET
ELBOW FITTING
PRIMARY AIR SHUTTER
Air Shutter (side view)