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Goodman furnace guso50-2 thermostat wiring instructions for 2 wire thermostat

Asked Jan 4, 2010, 06:54 PM — 2 Answers
Looking to hook up a 2 wire heat only thermostat as the door with the weiring diagram is missing its a goodman guso50-2?

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hvac1000's Avatar
hvac1000 Posts: 14,546, Reputation: 2381
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#2

Jan 5, 2010, 12:50 AM


The thermostat will use the are or RH=RED wire and terminal along with the W=white wire and terminal.
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ritukuls's Avatar
ritukuls Posts: 4, Reputation: 10
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#3

Jan 9, 2011, 07:32 AM
Well in two wire system polarity doesn't matter.

You can put any wire in the power terminals which will be are or RH

And other in W

Make sure if it's low voltage the volatge should be min 20VAC - 30 VAC
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