SPYDER MODEL 7 VAV CONTROLLER INSTALLATION INSTRUCTIONS
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Power Wiring Examples
Fig. 14 Power Wiring Examples
UL Listed Class 2
Transformer
100 VA
120 / 240
VAC
3
2
1
~
V0
Spyder Model 7
COM
24 VAC
Earth
Ground
1
1
WHEN CONNECTING POWER TO THE SPYDER MODEL 7 CONTROLLERS, CONNECT
THE COM LEG OF THE VAC SECONDARY CIRCUIT TO A KNOWN EARTH GROUND.
UL Listed Class 2
Transformer
100 VA
120 /
240 VAC
3
2
1
~
V0
Spyder Model 7
3
2
1
~
V0
Spyder Model 7
3
2
1
~
V0
Spyder Model 7
COM
24 VAC
Earth
Ground
1
UL Listed Class 2
Transformer
Field Device
Transformer
100 VA
120 /
240 VAC
3
2
1
~
V0
AC OUT
5
4
SR IN
8
7
6
Spyder Model 7
COM
24 VAC
Earth
Ground
1
SR1
C
SR2
120 /
240 VAC
M
Power Wiring example for one Controller per Transformer
Power Wiring example for two or more Controllers per Transformer
Controller Transformer and field device Transformer Wiring