Installation and Operation Instructions
WPR2 Series (Max. Line Pressure < 300 PSI)
Wet to Wet Differential Pressure
Version : 17.0
I0000756
Page 1 of 5
Figure 1: WPR2 Dimensions and Hardware
Precautions
REMOVE
POWER
BEFORE
WIRING.
NEVER
CONNECT
OR
DISCONNECT
WIRING
WITH
THE
POWER
APPLIED.
DO
NOT
ALLOW
LIVE
WIRES
TO
TOUCH
THE
CIRCUIT
BOARD.
AN
ISOLATION
TRANSFORMER
IS
RECOMMENDED
WHEN
POWERING
THE
DEVICE
WITH
24VAC.
DO
NOT
RUN
THE
WIRING
IN
ANY
CONDUIT
WITH
LINE
VOLTAGE.
FAILURE
TO
WIRE
DEVICES
WITH
THE
CORRECT
POLARITY
WHEN
USING
A
SHARED
TRANSFORMER
MAY
RESULT
IN
DAMAGE
TO
ANY
DEVICE
POWERED
BY
THE
SHARED
TRANSFORMER.
DO
NOT
SWITCH
PRESSURE
RANGE
AND
OUTPUT
MODE
WHEN
POWER
IS
ON.
MAKE
SURE
TO
POWER
OFF
THE
UNIT
FIRST,
THEN
MOVE
JUMPERS
TO
THE
RIGHT
POSITIONS
AND
THEN
POWER
ON
THE
TRANSMITTER.
DO
NOT
APPLY
ANY
EXTERNAL
VOLTAGE
TO
ZERO
TERMINALS.
DO
NOT
REPLACE
PRESSURE
SENSORS
WITH
ANY
OTHER
SENSORS.
DO
NOT
INTERCHANGE
THE
HIGH
AND
LOW
SENSORS.
THE
HIGH
AND
LOW
SENSORS
ARE
SPECIFICALLY
CALIBRATED
TO
THE
WPR2
UNIT.
ANY
CHANGES
TO
THE
SENSORS
WILL
VOID
THE
PRODUCT
WARRANTY
2.60"
5.47"
3.00"
4.47"
5.28"
Ø0.200"
