Flow-Alert Switch Installation
FLOW-ALERT SWITCH INSTALLATION
Latching Switch
1� Install one end of the vibration locking kit onto the lpm side of the meter’s serrated rail
as shown in
Figure 12
�
2� Install the switch by placing the adjustment arm over the serrated rail from the inlet
end of the 1/2 in� (12 mm), 3/4 in� (19 mm) and 1 in� (25 mm) meters, or the outlet end of
the 1-1/2 in� (38 mm) or 2 in� (50 mm) meters� The direction of the connector and cable
assembly indicates whether the switch will activate on increasing flow (connector and
cable pointing down)� See
Figure 13
� Secure the other end of the vibration locking kit
and tighten after positioning�
Switches Positioned for Activation
on Increasing Flow
20
40
60
80
90
LPM
1. Only use
Teflon tape t
o seal thr
eaded fittings
.
DO NO
T use pipe dope
.
2. DO NO
T sw
ea
t fit adapt
or fittings in
to a sy
st
em
while moun
ted t
o the EZ
-VIE
W met
er
.
C
A
UTION
!
Switch Positioned for Activation
on Decreasing Flow
Figure 12: Vibration locking kit installation
Figure 13: Switch position
3� The connector has four solder lugs labeled 1, 2, 3 and 4� Soldering wires to the terminals
first requires disassembly of the connector as shown in
Figure 14
� The specific wiring
pinouts for each style latching switch are show in
Figure 14
�
OTEE:
N
Before reassembly, label each wire with the corresponding lug position�
1
4 2
2
3
1
4
Polarity Pin
Solder Lug
Strain Relief Nut
Body
Top
View
Bottom
View
Key
1
3
2
4
1
3
2
4
DC Switch
AC Switch
Pin
Function
Pin
Function
1
Relay (NO)
1
Relay (NO)
2
DC+
2
AC Supply
3
Relay Common
3
Relay Common
4
DC–
4
AC Supply
Figure 14: Wiring pinouts
Page 17
October 2019
VAM-UM-00367-EN-03
www.
.com
1.800.561.8187
