Furnace Wiring Color Code


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Furnace Wiring Color Code - span class sp pss sp pssl 17 rows span nbsp 0183 32 the thermostat wiring color code guide by featured guides thermostat wire is made of multiple strands of solid copper wire each wrapped individually with a colored shell and enclosed together inside a protective sheathing during installation the wires are connected to one board that sends certain data through each wire to the thermostat p div div class sa uc ul class b vlist li div class tabcap div class b tbwrapper b tbsep table thead class b theader tr th style width 116px scope col marking th th style width 180px scope col wire color code th th scope col description th tr thead tbody tr data exp h data exp noani 1 td style r td td style red td td style power 24 vac transformer td tr tr data exp h data exp noani 1 td style rc td td style red td td style power from cooling 24 vac transformer td tr tr data exp h data exp noani 1 td style.
rh td td style red td td style power from heat 24 vac transformer td tr tr data exp h data exp noani 1 td style c td td style black blue td td style mon of 24 vac transformer td tr tbody table a title class b morelink href http wifithermostatreviews the thermostat wiring color code guide h id serp 5354 1 see all 17 rows on wifithermostatreviews a div div li ul div li thermostat wiring colors code high performance hvac thermostat terminal designations turn the power off before proceeding always follow safety instructions especially with electricity this should be done at the circuit breaker for both the condenser and the air handler furnace color codes for 24v thermostat wires are divided into two groups the 5 universal base colors for thermostat wires which are in order of frequency of use red white green yellow and black these colors are used as follows i red for the mon hot side of.
the heating transformer ii span class sp pss sp pssl 23 rows span nbsp 0183 32 if you only have 4 wires they are typically red yellow green black if you have blue p div div class sa uc ul class b vlist li class b annooverride div class tabcap table thead class b theader tr th style width 67px scope col terminal th th style width 144px scope col span title probable wire color probable wire co span th th style width 144px scope col signal th th scope col description th tr thead tbody tr data exp h data exp noani 1 td style c td td style blue td td style 24 vac mon td td style span title from one side of the 24vac transformer think of this as 24vac neutral from one side of the 24vac transfor span td tr tr data exp h data exp noani 1 td style r or v td td style red td td style span title 24 vac power to be switched 24 vac power to be s span td td style span title from other side of the 24vac.
transformer think of this as 24vac l1 from other side of the 24vac transf span td tr tr data exp h data exp noani 1 td style rh or 4 td td style red td td style span title 24 vac heat call switch power 24 vac heat call switc span td td style span title same as r but dedicated to the heat call switch same as r but dedicated to the he span td tr tr data exp h data exp noani 1 td style rc td td style red td td style span title 24 vac cooling call switch power 24 vac cooling call sw span td td style span title same as r but dedicated to the cooling call switch same as r but dedicated to the co span td tr tbody table a title class b morelink href https xtronics wiki thermostat signals and wiring html h id serp 5369 1 see all 23 rows on xtronics a div li ul div div li 2 locate the wiring connections in the furnace or air handler once you locate the wiring connection terminals on the furnace.

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