Field Control Wiring - York ECO R-407C User Manual

Field Control Wiring

Wiring Notes:
1. Wiring shown indicates typical wiring.
2. All wiring is Class 2, low voltage.
3. Maximum power available from the 24 VAC
terminal is 40 VA.
4. Use shielded wire where shown.
Note, 24VAC switch voltage must be
sourced from the unit. Use of another
power source external of the unit may
cause equipment damage.
Unoccupied Input
Smoke Purge Input
VAV Heat
Relay Output
FIG. 5 – FIELD CONTROL WIRING
34
7 Wire Thermostat
COMMON
R (24VAC)
Y1 (Cool Stage 1)
Y2 (Cool Stage 2)
G (Fan)
Space Sensor
1K Nickel Signal
Common
RTD Sensor
Signal
1.5K Adjust
Common
Potentiometer
2
CO Sensor
Signal
0-5V Output
Common
Occupied /
Shutdown Input
24 VAC Signal
Common
Note: VAV Heat Relay
output shall be used to
command the VAV boxes
to open full.
1 2
* Use Shielded Wire
* Use Shielded Wire
* Use Shielded Wire
Closed = Occupied
Open = Unoccupied
Closed = Shutdown
Open = Normal
Closed = Smoke Purge
Open = Normal
3 4 5 6 7 8 9 10 11 12 14 15 16 17 18
13
YORK INTERNATIONAL
19 20 21
LD06158