York R-407C Manuel D’Utilisation

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

1.5K Adjust 

Signal

cause equipment damage.

power source external of the unit may 

sourced from the unit.  Use of another 

Note, 24VAC switch voltage must be 

Relay Output

VAV Heat 

Smoke Purge Input

Shutdown Input

Unoccupied Input

Occupied / 

to open full.

command the VAV boxes 

output shall be used to 

Note: VAV Heat Relay 

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 40 VA.

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 

IAQ-

IAQ+

COM

SSA-

SSA+

SS-

SS+

R (24 VAC)

3

1

2

4 5

SHIELD

8

6 7

9 10

SHIELD

13

11 12

14 15

Y1

Y2

G

COM

HR

SMK

R (24 VAC)

SD

OCC

18

16 17

19 20 21

2

FIG. 5 – FIELD CONTROL WIRING

LD06158