Belshaw Adamatic INSIDER Ventless Donut System - Manual (Page 43)

Belshaw Bros., Inc. • www.belshaw.com • Phone 206-322-5474 • Fax 206-322-5425
Insider TS MN-1853EN 17
2 INSIDER WILL NOT STAY RUNNING - continued
Possible Cause What To Do
Carbon Filter not installed or contacting
interlock disc. Install two (2) carbon filters in the slide
tray. Make sure that they contact the
interlock disc behind the filters. The
door pushed the filters back against the
disc when it is latched. The disc can be
adjusted in or out by turning the disc. If
the disc is too loose put Loctite on the
threads. The interlock switch can be
adjusted from inside the electrical
enclosure.
Air pressure differential switch not
adjusted properly or obstruction in
filters/air flow. 1. Hold the “Start button” in for a few
seconds to attain proper air flow.
2. Check, clean or replace filters.
3. Check to see if reed switch is stuck.
Tap on switch housing.
4. Check differential adjustment screw
located under pressure switch cover,
inside upper electrical enclosure.
Approximate setting is 2-1/2 turns
clockwise with N.O. contacts.
Cell relay interlock is not latching in. 1. Hold the “Start button” in for a few
seconds to allow for latching time.
2. Check fuse labeled filter and replace.
3. Check for loose connections and
power to relay.
4. Replace relay.
The fire damper is closed The damper fusible-link has activated
the damper. Replace the fusible-link
and reset the damper. Temperatures
over 212
° F will release the damper.
Also old or damaged fuse-links may
allow damper to close.