Wiring The Universal 120 V/240 V To 24 V Stepdown Isolation Transformer - Johnson Controls FMS-2000C Installation Manual

FMS-2000C

Wiring the Universal 120 V/240 V to 24 V stepdown isolation transformer

Install the FMS-2000C Critical Environment Controller with a Class 2, Limited Energy, or LPS isolated power supply and connect it to
an electrical circuit protected by a minimum 20 A circuit breaker. Mount the circuit breaker in an approved electrical enclosure located
separately, but in close proximity, to
Product code matrix.
Figure 30: Universal 120 V/240 V to 24 V stepdown isolation transformer
Table 16: Universal 120 V/240 V to 24 V stepdown isolation transformer
Item
1 Red, 24 VAC connected to FMS-2000C controller
2 Red, 24 VAC connected to FMS-2000C controller
3 Transformer 50 Hz/60 Hz
4 1 A slow blow fuse
5
Black, 120 VAC, 50 Hz/60 Hz
6 White, VAC common for 120 VAC and 240 VAC, 50 Hz/60 Hz
7 Blue, 240 VAC, 50 Hz/60 Hz
8 Ground
9 Only Class 2, Limited Energy, or LPS isolated power supply wiring in this compartment
the FMS-2000C controller. To check if your FMS-2000C includes an isolated power supply, see
36
Description
LIT-12013508