THERMOSTAT | CONTROL |
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|
TERMINALS | TERMINAL |
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|
| BLOCK |
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|
W1 | W1 |
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|
1 | W2 |
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|
W2 | Y1 |
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|
Y1 |
|
| |
G |
|
| |
|
|
| |
2 | OCC |
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|
Y2 |
|
| |
G | P |
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|
P1 |
|
| |
R |
|
| |
Y2 |
| Smoke | |
|
| ||
C | X |
| Detector |
|
| ||
| R | R | Jumper 3 |
4 | SD | ||
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 13 - TYPICAL UNIT WIRING DIAGRAM
36 | Johnson Controls Unitary Products |
