HEATED PASS THROUGH
INSTALLATION, OPERATION, SERVICE, AND PARTS
3
5.
Maintenance
Daily
1.
Remove all product and turn the unit off.
2.
Allow the unit to cool.
3.
Use a wet sanitized cloth to clean the heated surfaces of the unit. Use a nylon pot brush on hard
to remove stains or food items.
Monthly
Remove the filter screen and clean it with a wet sanitized cloth. Dry the screen thoroughly before
reinstalling it in the unit.
6.
Service Procedures
6.1
Adjusting the Temperature
A.
Disconnect the unit from the electrical power source.
This is imperative. Line voltage
is accessable on the controller board with the unit connected to the power source.
B.
A potentiometer regulates the heat produced by the air heater. It is mounted on the
HPT’s controller board and is accessible through a slot in the left side of the cowl
assembly (see Figure 1 below).
NOTE:
The filter screen must first be removed.
Figure 1: The potentiometer is accessible through the vent in the cowl
assembly indicated by the arrow.
C.
Use a long, narrow-blade screwdriver to turn the potentiometer clockwise to increase
the temperature; turn it counterclockwise to lower the temperature.
Figure 2: The potentiometer, indicated by the arrow, is adjusted using
a narrow-blade screwdriver.
D.
Reconnect the HPT to the power source and check temperature.
