Low Voltage Connections - Novatech Pulsafeeder MicroVision Timer Installation & Operation Manual

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The four (4) powered output relay terminal blocks are identified as: PL1 (Timer 1), PL2 (Timer 2),
PL3 (Timer 3), and PL4 (Timer 4). These terminal blocks can be removed in the same manner as
PL5. The Timer 1 relay has a N.O. and a N.C. connection, the others are only N.O. J5 is the alarm
dry contact (or timer 5) output relay.

5.3 LOW VOLTAGE CONNECTIONS

The low voltage connections are found on the low voltage (right side) board (Fig. 5).
Use 22-24 AWG (,76 mm²) wire for: flow switch, drum levels, dry alarm, and water
meter connections. These signal wires must be run separate from AC power lines.
TIMER 5
A Hall effect water meter can only be attached to J3 (Input #1).
Low voltage signal wires, e.g., a water meter, must be run separate from AC power lines.
These connections will be covered in the Low Voltage section of the manual.
5
Trained service personnel are required for all electrical connections. This product does not contain operator
serviceable parts.
72-910-23 Rev.F
Page 11 of 30
J2
J8
+5V
INPUT 2
J3
INPUT 1
INPUT 3
TOP
INPUT 4
BOARD
INPUT 5
J5
TIMER 5
RELAY (N.O.)
CONTACT
METER
OR
WATER METER
TYPES
HALL
EFFECT
5
16-171-81-2 26" (,66m)
16-171-81-1 26" (1,17m)
16-171-81-4 26" (1,52m)
CONTACT
METER
J10
OR
J4
J3
+5V
GND
J3
+5V
GND
Fig. 5
DRUM LEVEL
DETECTORS
OR
FLOW
SWITCH
14-350-91
FLOAT