Quote:
Originally Posted by Ryland
I did find some useful information on the DEFA web site tho, in their technical manual it states:
Quote:
At 0°C/32°F, the DEFA WarmUp time-program controller switches
on 90 minutes before the departure time. During this period,
the engine temperature is raised by approximately 30°C/85°F
(when a 600W engine heater is used).
At -17°C/2°F or lower, DEFA WarmUp switches on 196 minutes
before the departure time and the engine temperature is
raised by approximately 50°C/90°F (when a 600W engine heater
is used).
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That sounds about right. My 550W DEFA heater rasies coolant temperature ~20°-25°C above ambient after 90-120 minutes. I haven't tried longer, but I'll test it soon (maybe this evening?).
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e·co·mod·ding: the art of turning vehicles into what they should be
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