Simplicity ® Control Wiring Diagram - York BQ240 Technical Manual

036-21489-001-C-1004
FIGURE 16: Simplicity
Unitary Products Group
THERMOSTAT
TERMINALS
W1
1
W2
Y1
2
Y2
G
R
C
4
RC
5
OCC
6
X
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.
®
CONTROL WIRING DIAGRAM
CONTROL
TERMINAL
BLOCK
W1
W2
Y1
G
OCC
P
P1
Y2
Smoke
Detector
X
R
R
3
Jumper
SD
SD
C
SD
24 VAC
Class 2
C
31