Field control wiring, Fig. 4 – field control wiring, Sensor – York ECO R-22 User Manual
Page 63: Space sensor 7 wire thermostat
FORM 100.50-EG3 (802)
63
YORK INTERNATIONAL
* Use Shielded Wire
* Use Shielded Wire
* Use Shielded Wire
3. Maximum power available from the 24 VAC
1. Wiring shown indicates typical wiring.
Closed = Smoke Purge
Closed = Shutdown
Open = Unoccupied
Closed = Occupied
O
1.5K Adjust
Signal
cause equipment damage.
power source external of the unit may
i
d
sourced from the unit. Use of another
Note, 24VAC switch voltage must be
d f
h
i
U
f
h
Relay Output
VAV Heat
Smoke Purge Input
Shutdown Input
Unoccupied Input
Occupied /
to open full.
command the VAV boxes
output shall be used to
d h VAV b
Note: VAV Heat Relay
h ll b
d
Common
24 VAC Signal
Open = Normal
Potentiometer
Common
0-5V Output
Sensor
Common
Signal
CO
Open = Normal
4. Use shielded wire where shown.
terminal is 40VA.
2. All wiring is Class 2, low voltage.
Wiring Notes:
Common
Signal
Space Sensor
7 Wire Thermostat
G (Fan)
Y2 (Cool Stage 2)
Y1 (Cool Stage 1)
R (24VAC)
COMMON
RTD Sensor
1K Nickel
IA
Q
+
CO
M
SS
A+
3
1
2
4 5
S
HIELD
7
9
S
HIELD
13
15
Y1
CO
M
HR
S
MK
R
(24 VAC)
S
D
OCC
18
17
19 20 21
2
W1
W1 (Heat Stage 1)
W2 (Heat Stage 2)
Field Control Wiring
FIG. 4 – FIELD CONTROL WIRING
LD06804