Sample Wiring Diagrams; Installation Instructions Sample Wiring Diagrams - York LX series Owner's Manual
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Also See for LX series:
- Technical manual (192 pages) ,
- Installation manual (50 pages) ,
- Technical manual (192 pages)
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Installation Instructions
Sample Wiring Diagrams
Conventional Heating and Cooling Systems
3 Wire, Heat Only
Residential & Commercial 1 Stage Heating
with no Fan.
R
24VAC Power
C
24VAC Common
W1/O/B
1st Stage Heat
J1
=
Gas/Elec
J2
=
O (not used)
J3
=
Gas
5 Wire, 1 Stage Cooling, 1 Stage Heat
Residential & Commercial 1 Stage Cooling,
with 1 stage Gas Heat.
R
24VAC Power
C
24VAC Common
W1/O/B
1st Stage Heat
Y1
1st Stage Cool
G
Fan
J1
=
Gas/Elec
J2
=
O (not used)
J3
=
Gas
8 Wire, 2 Stage Cooling, 3 Stage Heat
Residential & Commercial 2 Stage Cooling,
with 3 stage Gas Heat.
R
C
W1/O/B
W2
W3
Y1
Y2
G
J1
=
J2
=
J3
=
4 Wire, Cool Only
Residential & Commercial 1 Stage Cooling.
R
24VAC Power
C
24VAC Common
Y1
1st Stage Cool
G
Fan
J1
=
Gas/Elec
J2
=
O (not used)
J3
=
Gas
5 Wire, 1 Stage Cooling, 1 Stage Heat
Residential & Commercial 1 Stage Cooling,
with 1 stage Electric Heat.
R
24VAC Power
C
24VAC Common
W1/O/B
1st Stage Heat
Y1
1st Stage Cool
G
Fan
J1
=
Gas/Elec
J2
=
O (not used)
J3
=
Electric
24VAC Power
24VAC Common
1st Stage Heat
2nd Stage Heat
3rd Stage Heat
1st Stage Cool
2nd Stage Cool
Fan
Gas/Elec
O (not used)
Gas
Page 11
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