User Manual

Sealer Sales Page 22
ST-1808-28 Tunnel Service Manual
TEMPERATURE CONTROL ADJUSTMENT
running the same product, this temperature should not have to
be adjusted again. Factory setting is 290 degrees.
SEQUENCE OF OPERATION
E. Turn Air Velocity Control knob (5) to high. Most tunnel
applications will use high air velocity. You may lower the Air
Velocity for (a) lightweight packages that may lift or float from
excess air pressure or (b) should you want to decrease the
shrink force of the film. Factory setting is high.
F. CAUTION: When turning off the tunnel, be sure to turn
off by means of the heater bank switch. The tunnel will
automatically shut off at about 180 degrees.
(Temperature will be displayed on temperature controller at
this time.) Turn off the start switch and then the main breaker
located in the back of the tunnel.