FIGURE 14 - TYPICAL ROOFTOP INSTALLATION
THERMOSTAT | CONTROL |
| |
TERMINALS | TERMINAL |
| |
| BLOCK |
| |
W1 | W1 |
| |
1 | W2 |
| |
W2 | Y1 |
| |
Y1 |
| ||
G |
| ||
|
| ||
2 | OCC |
| |
Y2 |
| ||
G | P |
| |
P1 |
| ||
R |
| ||
Y2 |
| ||
|
| ||
C | X |
| |
| R | R | |
4 | SD | ||
RC | SD | ||
C | |||
| |||
5 | SD | ||
OCC |
| ||
6 |
| C | |
X |
|
Smoke
Detector
Jumper 3
24 VAC Class 2
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 15 - TYPICAL SIMPLICITY® CONTROL WIRING DIAGRAM
40 | Johnson Controls Unitary Products |
