Control Equipment Overview, Service, and Replacement
21
Replace the Z-Filter
Required Tools:
Phillips screwdriver
1�
Unplug the 3-pin Mate-N-Lok power jack from the
outside of the enclosure.
2�
Disconnect the power cables from both sides of the
Z-filter.
3�
Remove the screws that secure the Z-filter to the back
of the ISP enclosure.
4�
Reverse Steps 1 - 3 to install the new Z-filter.
Replace the Heater
Required Tools:
Phillips screwdriver,
5
/
16
″ nut driver
1�
Disconnect the power wire to the heater.
2�
Using a Phillips screwdriver, remove the 4 screws
holding the fan and heater in place.
3�
Remove the heater assembly from the ISP enclosure.
4�
Reverse Steps 1 - 3 to install the new heater.
Replace the Fan
Required Tools:
Phillips screwdriver
1�
Disconnect the power wire to the fan.
2�
Using a Phillips screwdriver, remove the four fan mounting bolts that secure the fan to
the ISP enclosure.
3�
Ensure the fan points upward and blows air into the ISP enclosure.
4�
Reverse Steps 1 - 3 to install the new fan.
Figure 36:
Z-Filter
Figure 37:
ISP Enclosure Fan/
Heater Assembly
