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Brews & Views Bulletin Board Service * Brews and Views Archive 2004 * Archive through October 04, 2004 * Temp controller question < Previous Next >

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Steven Edward Haun
Username: Stevehaun

Post Number: 120
Registered: 02-2003
Posted on Saturday, October 02, 2004 - 01:35 pm:   Edit Post Delete Post View Post/Check IP    Ban Poster IP (Moderator/Admin only)

I understand how an external temp controller, e.g., Ranco, would work with a manual defrost freezer. But if you use it with an automatic defrost refrigerator, will this cause any problems with performance? Obviously, the freezer will not have below freezing temps unless you set the temp of the fridge low enough. The automatic defrost cycle is run on a timer (I think); what will be the effect of turning the fridge on and off. Thanks!

Bill Moore
Username: Bill_beerman

Post Number: 212
Registered: 10-2003
Posted on Saturday, October 02, 2004 - 03:22 pm:   Edit Post Delete Post View Post/Check IP    Ban Poster IP (Moderator/Admin only)

I wouldn't worry about the defrost cycle.
It won't affect the contents of the freezer because it doesn't last long.
It's only designed to thaw the coil surface using supplemental heat.

Marlon Lang
Intermediate Member
Username: Marlonlang

Post Number: 383
Registered: 03-2003
Posted on Sunday, October 03, 2004 - 04:18 am:   Edit Post Delete Post View Post/Check IP    Ban Poster IP (Moderator/Admin only)

The defrost cycle is run by a timer. Once per cycle, it turns on some heaters to defrost the cooling coil (and other places, depending on the model and design). If your Ranco decides that cooling is needed, just when the timer cycle decides that defosting is needed, the result will be a warming while the defrost is going on, followed by a cooling until the Ranco is satisfied. As BM sez, this is no big deal. But if you are really concerned, there is an easy fix. If you are electrically knowledgable, or have some friends that chase electrons for a living, disconnect the neutral (white) wire from the defrost timer moter. This kills the defrost function and the Ranco can do its thing.