Mars 32342 User Manual
®
Crankcase Heaters
MARS SERIES 324
COMPONENT
MARS NO. TYPE WATTS VOLTS
32342
Heater with
self-stick foil
32342
28 600 Max
PTCR Crankcase Heaters
MARS solid state crankcase heater is a PTCR self regulating
evice which performs in a similar manner to a heater and
d
thermostat combination. Unlike conventional resistance heater and
thermostat combinations which provide only fully on or fully off
operation, MARS solid state crankcase heater emits heat in
proportion to the compressor requirements.
As compressor temperature decreases, current flow through the
heater increases causing it to heat up. When the compressor is
warm and additional heat is not required, current flow decreases.
Only enough electricity is consumed to maintain the correct
temperature. MARS solid state crankcase heaters are self
adjusting to voltage variations.
Application:
MARS 32342 is for use on heaterless compressors to help correct
refrigerant migration or as a preventative maintenance
precaution. It will replace belly-band heaters on compressors up
to 5 HP, 120 and 240 VAC. MARS 32342 attaches to the
compressor using high temperature, pressure sensitive
aluminum foil. If more heat is required, a second 32342 may be
wired in parallel and applied to the opposite side of the
compressor.
30” leads
on each end
32340
MARS NO. TYPE WATTS VOLTS
Features:
• Total solid state reliability
• Self regulating
• 32342—fast, easy installation
• UL E49372, SA5202
• CSA LR46861, LR80111
Universal Crankcase Heater
MARS 32340 universal crankcase heater is for use on air
conditioning and heat pump compressors located in cool ambient
temperatures, to prevent refrigerant migration. MARS 32340 is a
soft aluminum sheath which is formed around the base of the
compressor and attached with the supplied mounting spring. This
unique design will fit most hermetic compressors used in
residential systems.
Features:
• Universal application
• Simple installation
• UL and CSA listed
C-66
32340
Universal
wrap-around
50 230
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