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Dial (Power) Switch
The power is turned ON or OFF by means of the dial
switch. The power is ON when the pointer on the dial is at
or near the FIRST MARK on the dial plate.
Dial (Control) Switch
Turn dial clockwise to set desired temperature. Dial marks
indicate approximate surface temperature in °C. The
green cycle light will illuminate at or near the FIRST
MARK on the dial plate. (If this does not occur see recali-
bration instructions on page 8.) When the temperature for
a given dial setting has been reached, the light will cycle
OFF and ON at a rate required to hold that temperature.
If the cycle light is OFF, hot plate may still be hot. To turn
hot plate off, turn dial switch to the fully counterclockwise
position.
8
Operation
Warning
Disconnect from the power supply
prior to maintenance and servicing.
Refer servicing to qualified personnel.
Hot Surface
Caution - Hot surface. Avoid Contact
Summary of Contents for HPA2230M
Page 17: ...17 Exploded View ...
Page 18: ...18 Wiring Diagram ...