14
88-A4AC5001-1A-EN
With Furnace
With Variable Speed Furnace
• Units with pigtails require wirenuts for connections. Cap all unused wires.
• In AC systems for multiple stages of heat, jumper W1 and W2 together if comfort control has only one stage of heat.
* If equipped with second stage heat
** When using a BK enabled comfort control, cut BK jumper and bypass Y and YLo at the furnace. Connect BK from comfort control to
BK of the furnace
Thermostat
Furnace
Furnace
Outdoor
Unit
R
G
B
W1
W2
B
Y
R
G
B/C
W1
W2
24 VAC HOT
FAN
24 VAC
Common
COOL
HEATING
Y
Y1
Y
Y
Y
LO
Thermostat
Outdoor
Unit
R
G
B
W1
W2
B
R
G
B/C
Y1
W1
W2
24 VAC HOT
FAN
24 VAC
Common
COOL
HEATING
O
BK
BK
**
**
*
*
Summary of Contents for A4AC5018D1000A
Page 24: ...24 88 A4AC5001 1A EN 3 1 2 4 Ton Units PRINTED FROM D158514P01 2 1 2 Ton Units Accumulator...
Page 25: ...88 A4AC5001 1A EN 25 5 Ton Units PRINTED FROM D158515P01...
Page 26: ...26 88 A4AC5001 1A EN Section 17 Wiring Diagrams A4AC5018 060 Models...
Page 27: ...88 A4AC5001 1A EN 27 A4AC5018 060 Models...
Page 31: ...Notes...