Amico Alert-2, Installation Operating & Maintenance Manual

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38 Amico Corporation
Red
Green
(for Ground)
Master
Module
Blue
el
pr
uP
NO
C
la
ngi
S
mr
al
A
wo
L
Source
Equipment
C NO NC C NO NC
eg
na
r
O
n
wo
rB
NC C
de
R
el
pr
uP
NO C
la
ng
iS
mr
al
A
wo
L
la
ng
iS
mr
al
A
hg
i
H
C
Switch for
High Alarm
Switch for
Low Alarm
Note: There are 2 NIT switches, one for high alarm and one for low alarm.
NO
wo
ll
eY
eu
lB
Green
(for Ground)
not required
Appendix I
WIRING DIAGRAM:
PRESSURE SWITCH CONNECTION TO A MASTER ALARM
2 - 1/2”
3 - 1/2”
3/4” NPT Conduit
Connection
Circuit No. 1
Calibrated Dia
l
1/4” NPT
Gas Service
Connection
wiring code
Ground - Green
Common - Purple
Normally Closed -Red
Normally Open -Blue
Circuit No. 1 Circuit No. 2
Red Blue Purple Brown Orange Yellow
NO C C NC
Vacuum
Gas
(OXY, AIR, N
2
O, CO
2
)
Nitrogen
wiring code
Six Leads
18” Long (Approx.)
9/32” x 5/8”
Mounting
Hole (Typ.)
Circuit No. 2
Calibrated Dial
NOTE:
There are 2 NIT switches, one for high alarm and one for low alarm.
Circuit #1 for Low Circuit #2 for High
Common - Purple Common - Brown
Normally Closed - Blue Normally Closed - Orange
Normally Open - Red Normally Open - Yellow