Replace
Replace
Replace Pump
Pump
Pump Control
Control
Control Module
Module
Module
If the pump control module needs replacement, install
a new module as follows.
NOTICE
NOTICE
NOTICE
To avoid electrical component damage, remove all
system power before plugging any connectors.
NOTE:
NOTE:
NOTE: See the
Electrical Schematics, page 24
1.
Connect the motor cable connectors (25) to
connection ports 2 and 3 on the pump control
module (5) and to the pump motor (N).
NOTE:
NOTE:
NOTE: The wire harness has two cables, one
for the motor control and the other for encoder
feedback. The connectors are keyed differently
to ensure correct installation. Attach the two
ground wires to the ground screw on the pump
motor (N).
Figure 24 Pump Control Module Connection
Points
Figure 25 Pump Control Module Connections
2.
Connect the 2–wire cable (22) to connection port
8 on the pump control module (5); red wire to pin
1 and black wire to pin 2.
3.
Ensure that the pre-installed D-SUB Cable (8)
is securely attached to connection port 1 on the
pump control module (5).
4.
Connect the pump’s outlet pressure transducer
(T) to port 5.
5.
Connect the inlet pressure transducer to port 4.
6.
Install the valve wiring (V) in port 7. See
Electrical Schematics, page 24
332456D
23
