Woodward Vertex-Pro, Installation/Hardware Manual, Page: 95 / 112

Manual 26489V1 Vertex-Pro Motor-Driven Compressor Control
Woodward 85
9.3.7—Replacing Chassis Fans
1. Installation of MicroNet Power Supply:
2. Use the following procedure to remove faulty fan from chassis

Use a stubby (approximately 3.5" long) #2 Phillips screwdriver.

Loosen, but do not remove, the four retaining screws holding the fan
assembly to the chassis.

Rotate fan to remove power by accessing wire quick connects.

Remove fan and guard assembly from chassis.

Remove guard from faulty fan, noting captive nut location.
Captive nuts should be rethreaded onto screws between fan
mounting flanges to prevent loose hardware from contacting live
circuits.

Install new fan.

Reinstall fan assembly (flow arrows should point "UP").

Connect RED wire to the + fan terminal and BLACK wire to – fan terminal.
Do not contact quick connect terminals with any metallic surface
during reinstallation.
MicroNet General Chassis/Power Supply Only
1. Installation of MicroNet Power Supply:

Locate power supply a minimum of 8 cm (3") with a maximum distance of
11.4 cm (4.5") directly below the TMR chassis.
2. Use the following procedure to remove faulty fan from chassis

Use a stubby (approximately 9 cm/3.5" long) #2 Phillips screwdriver.

Loosen, but do not remove, the four retaining screws holding the fan
assembly to the chassis.

Rotate fan to remove power by accessing wire quick connects.

Remove fan and guard assembly from chassis.

Remove guard from faulty fan.

Install new fan.

Reinstall fan assembly (flow arrows should point "UP").

Connect RED wire to the + fan terminal and BLACK wire to - fan terminal.
Do not contact quick connect terminals with any metallic surface
during reinstallation.