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Old 03-15-2015, 12:25 PM   #11
Aqua Puttana
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Default Re: Some 2004 Espar Heater Notes

I've noticed some comments about the dash temperature settings being related to the Booster Heater and Aux Heater operating. To my knowledge the Espar doesn't care what positions that the OEM Cabin fan/heater controls are in.

Once the Espar heaters are enabled and fired up the temperature control is maintained by a coolant temperature sensor contained within the Espar heater module. Given proper coolant circulation the heater will run until the coolant temperature reaches setpoint.

There are 2 ea. control setpoints. The first lower temperature will trigger the Espar to go to low power output. The higher (167F if memory serves) will trigger a shutdown of all firing. There is an even higher over-temperature limit, but that shouldn't come into play when proper coolant circulation is maintained.

Except for the Espar dedicated dash controls, the OEM cabin temperature controls do not affect the Espar operation once it is enabled.

vic
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Last edited by Aqua Puttana; 03-15-2015 at 12:28 PM.
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