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Old 02-01-2009, 10:35 AM   #16
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Has anyone heard of GlowCore?


Hi, I was hoping I could pick your brain for some help with the Glowcore Airhandlers I have in my home. After a recent Veissman Boiler installation, I wanted to upgrade the thermostats in my home to what I guess are called "Power Robbing" digital types (Wayne-Dalton WDTC-20 Z-wave enabled thermostat). These thermostats require 24v between RH and C. My HVAC guy says that the Glowcore cannot provide this and that there is no way to make it do so. He has tried several wirings, all which have led to some sort of malfunction or failure. (No fan control, no heat control, fan always on, etc). The latest attempt caused one zone not to heat at all and the unit (which is in an eve) froze and the expansion cracked the heating coil. That unit has been replaced. He blames the thermostat for malfunctioning. I blame him because he had not yet put antifreeze in the system and we've had below freezing temps for weeks since the boiler installation.(I'm probably going to end up splitting the cost of that new handler - after putting in a 10K+ boiler!!) Anyway, the new handler works fine with the Wayne-Dalton, and the HVAC guy says its because of the digital control board. The old Glowcores that have been rewired have 24v on RH AND RC, but Wayne Dalton says that won't work. MY guy can't figure out how to provide the 2v volts on RH only. Can I just buy some of these new digital control boards and install them on the old GlowCore units?? Any suggestions would be appreciated, and I thank you in advance.

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Old 02-17-2009, 10:26 AM   #17
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Has anyone heard of GlowCore?


does anyone know where i can buy a heat core unit for a glowcore unit
part number wg62257. or who can make one? regards, mtm723

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