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Old 12-10-2010, 01:42 AM   #13 (permalink)
Piwoslaw
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Join Date: Oct 2008
Location: Warsaw, Poland
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Svietlana II - '13 Peugeot 308SW e-HDI 6sp
90 day: 58.1 mpg (US)
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Quote:
Originally Posted by Ryland View Post
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).
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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