Thermostat; Typical Field Power & Control Wiring - York ZF036 Installation Manual

826081-XIM-C-0214

THERMOSTAT

TERMINALS
W1
W2
Y1
Y2
4
RC
OCC
TERMINALS ON
A LIMITED
NUMBER OF
THERMOSTATS
1
Second stage heating not required on single stage heating units.
2
Second stage cooling not required on single stage cooling units.
3
Jumper is required if there is no Smoke Detector circuit.
4
Jumper is required for any combination of R, RC, or RH.
5
OCC is an output from the thermostat to indicate the Occupied condition.
6
X is an input to the thermostat to display Error Status conditions.
Figure 3: Typical Field Power & Control Wiring
10
TYPICAL POWER WIRING
TYPICAL CONTROL WIRING
1
2
G
R
C
5
6
X
CONTROL
TERMINAL
BLOCK
W1
W2
Y1
G
OCC
P
P1
Y2
Smoke
Detector
X
R
R
Jumper
SD
SD
C
SD
C
3
24 VAC
Class 2
Johnson Controls Unitary Products