Digital Input To Flow Switch - Johnson Controls FMS-1655L Installation Manual

Mounting / Wiring

Digital Input to Flow Switch

LED2
LED2
PWR
4
3
2
1
4
3
2
1
4
Ain 3
mA
2
1
AI
AI
GND
AI
AI
EXT
SNSR
GND
+5v
AO 4
GND
AO 3
+10v
GND
GND
AO 2
+V
AO 1
GND
INT.SNS
SW1
Ain
RNG
Aout
RNG
DI
Vse
DI
GND
DI
DI
GND
DI
GND
SYN
PH1
PH2
+VS
EXT.SNS
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
1
SELEC
JP3
NT 1
NT 2
SHLD
Purchased Separately
NT 1
NT 2
S SHLD
RLY4
C3/4
RLY3
G
C2
5v
RLY2
+V
C1
Jumper Block ON CPU Board
RLY
JP4 is set at factory to +5
setting. User can change
voltage setting to suit
application requirement.
- 22 -
FLOW SWITCH
= ON
Wiring Guide Legend
Symbol Description
NC
No Connection to Field Wir
Field Wiring w/space for N
Internal Wiring
Screw Terminal
Air Flow To and From Unit
Between Room and Corridor