Field Control Wiring Connections; Fig. 2-8 - Field Control Wiring Connections - York ECO2 YPAL 050 Installation & Operation Manual

Installation
Wiring Notes:
1. Wiring shown indicates typical wiring. Refer to the IOM manual for more detailed wiring methods and options.
2. All wiring is Class 2, low voltage.
3. Maximum power available from the 24 VAVC terminal is 40 VA.
4. Use shielded wire where shown.
10 WIRE THERMOSTAT
C (Common)
FAULT
R (24 VAC)
LIGHT
(Optional)
G (Fan)
W1 (Heating Stage 1)
W2 (Heating Stage 2)
W3 (Heating Stage 3)
Y1 (Cool Stage 1)
Y2 (Cool Stage 2)
Y3 (Cool Stage 3)
Y4 (Cool Stage 4)
SPACE
SENSOR
10K TYPE III
THERMISTOR
COM
TMP
Use Shielded Wire
R
OCC
PURGE
BAS ECONOMIZER
BAS ECON +
INPUT
0-10 VDC
(Field Supplied)
BAS ECON -
Use shielded wire
FIG. 2-8 – FIELD CONTROL WIRING CONNECTIONS
36

FIELD CONTROL WIRING CONNECTIONS

C
R
X
G
W1
W2
W3
Y1
Y2
Y3
Y4
SPACE SENSOR
RESET
20K ADJUST
POTENTIOMETER
COM SET
SUPPLY AIR
TEMP RESET
0-10 VDC
GND
(Field Supplied)
SSO
REM -
Shutdown
ST REM +
Shielded
R
SD1
Use Shielded
Wire
CO2 SENSOR
(Field Supplied)
DV+
0-2000 PPM
0-10 VDC OUTPUT
Use
DV-
Wire
FORM 100.50-NOM6 (1207)
VAV HEAT RELAY
VAV OPEN +
24 VDC
RELAY
VAV OPEN -
(Field Supplied)
LD13002
JOHNSON CONTROLS