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Introduction and Operation
The dual wattage Calrod Heater serves both to heat the water during a wash cycle and to heat the air
during the dry cycle. Heat and air circulation are required for good dry performance. Air circulation
is natural convection with air entering through the fill funnel, then exiting through the vent on some
models. Some models have a power fan in the door to aid drying.
Dual wattage occurs due to the heat level in the element raising the resistance of the internal element.
As water quenches the heat on the case, resistance lowers and wattage rises.
During dry, the heat element cycles after an initial 6 minute ON time to 60 seconds OFF, 60 seconds
ON for 28 minutes during a Normal cycle with no wash boost options selected. Boost wash options will
change the time needed due to hotter temperatures in rinse for options and cycle selected. The table
below advises heater algorithms and dry times.
Specifications
The Calrod Heating element is rated at 120 VAC.
Dry System
4 Pass Heater Algorithm, Dry Cycle
Normal with Heated Dry
Time
(minutes)
Calrod Description
7
Calrod on
27
Calrod Pulse - 2 minute on/1 minute off
14
Calrod off - Cool Down
Normal with Temp Boost or Sani Selected
7
Calrod on
57
Calrod Pulse - 2 minute on/1 minute off
Normal with Boost Dry
7
Calrod On
57
Calrod Pulse - 1 minute on/1 minute off
15
Calrod Off - Cool Down
Heated Dry Element Algorithm
Heater 120 VAC
Wet
Dry
Watts
800
500
+/- 5%
Ohms
18
26.8 (hot)
14.5 (Room Temp)
+/- 5%
Amps
6.67
4.17
+/- 5%