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I have a 4 ton trane air handle split unit with heat pump on…

Customer Question
I have a 4 ton...
I have a 4 ton trane air handle split unit with heat pump on the air handle low voltage terminal strip terminals are W1,W2,W3,B,O,G YLO,Y,T,R HOW DO I WIRE THIS TO NEW THERMOSTAT
Submitted: 2 years ago.Category: HVAC
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Answered in 7 minutes by:
7/2/2015
HVAC Technician: BillyHvac, Journeyman HVAC Tech replied 2 years ago
BillyHvac
BillyHvac, Journeyman HVAC Tech
Category: HVAC
Satisfied Customers: 23,040
Experience: Endorsed for unlimited heating, cooling, oil burners, boilers, refrigeration, hydronics
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How many wires do you have and what color are they?
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Customer reply replied 2 years ago
We brought the building the unit came with it uninstall so we are going from scratch from thermostat to air handler
I have six wires come in from condenser to air handler
HVAC Technician: BillyHvac, Journeyman HVAC Tech replied 2 years ago
Ok the standard system is :
Red to R
White to W1
Yellow to Y
Green to G
Orange to O
Blue is B in the blower unit But C in the thermostat (if c is present)
Are those your colors?
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Customer reply replied 2 years ago
yes
HVAC Technician: BillyHvac, Journeyman HVAC Tech replied 2 years ago
Great...
does that answer your question for today?
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Customer reply replied 2 years ago
on air handle from condenser x2 is wired to w2 do I hook that up to w2 on thermostat
Customer reply replied 2 years ago
my thermostat have em1 and w2
Customer reply replied 2 years ago
ew1 sorry
HVAC Technician: BillyHvac, Journeyman HVAC Tech replied 2 years ago
That is correct...e1
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Customer reply replied 2 years ago
so w2 on thermostat stays empty
HVAC Technician: BillyHvac, Journeyman HVAC Tech replied 2 years ago
Correct.
And you must program new thermostat for heat pump with backup heat
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Customer reply replied 2 years ago
hi Billy are you still there
Customer reply replied 2 years ago
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HVAC Technician: BillyHvac, Journeyman HVAC Tech replied 2 years ago
do you need more info
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BillyHvac
BillyHvac
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