Isolated Power Supply - Johnson Controls FMS-1655L Installation Manual

Room pressure controller
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Mounting / Wiring

Isolated Power Supply

Red / 24 VAC / 30VA
connected to the FMS
Only Class 2 wiring in
this compartment.
Ground
Blue
}
240 VAC
}
50/60 Hz
120 VAC
50/60 Hz
White
Black
Note:
This product should be installed with the manufacturer provided isolated power supply and connected to an electrical
circuit protected by a minimum 20A circuit breaker. This circuit breaker should be mounted in an approved electrical
enclosure located separately, but in close proximity to this product.
Transformer
50/60 Hz
Stepdown Isolation Transformer
(provided with FMS Controller)
-
28
-
1 Amp Slow
Blow Fuse

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