036-21410-001-A-0502

THERMOSTAT

CONTROL

 

 

TERMINALS

TERMINAL

 

 

 

BLOCK

 

 

W1

W1

 

 

1

W2

 

 

W2

 

 

 

 

Y1

 

 

Y1

G

 

 

 

 

 

2

OCC

 

 

Y2

 

 

G

P

 

 

 

 

 

 

P1

 

 

R

Y2

 

Smoke

 

 

 

 

 

Detector

C

X

 

 

 

R

 

 

4

SD

R

Jumper 3

RC

 

 

 

SD

 

 

C

 

5

 

 

 

 

 

OCC

 

SD

24 VAC

 

 

 

6

 

C

Class 2

X

 

 

 

 

 

1

2

3

4

5

6

TERMINALS ON

ALIMITED NUMBER OF

THERMOSTATS

Second stage heating not required on single stage heating units.

Second stage cooling not required on single stage cooling units.

Jumper is required if there is no Smoke Detector circuit.

Jumper is required for any combination of R, RC, or RH.

OCC is an output from the thermostat to indicate the Occupied condition. X is an input to the thermostat to display Error Status conditions.

FIGURE 12:SIMPLICITY CONTROL WIRING DIAGRAM

Unitary Products Group

49

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Image 49
York 300 warranty Occ