27
HEATERS
WARNING! Before troubleshooting make sure the Main
Power Switch is OFF and incoming power is locked OFF.
NEVER access the inside of the Control Panel with the
Proportioner power supply ON. The Heaters are components
that reach high temperatures; you must wait until they cool
before handling.
NOTE! The Thermal Limit Switch is a safety switch in contact with the
Heater body. If the surface temperature exceeds 220
F (109
C), the Limit
Switch will shut off the Heater power. The Limit Switch will not re-set until
the temperature in the Heater is below 190
F (88
C). The system is
designed that in case of an over temperature a contactor will open,
disabling power to both Heaters and the Hose.
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