Honeywell UMC800 Replacing the power supply fuse, Step Action Remove power from the controller

Maintenance

Replacement Procedures

Replacing the power supply fuse

The power supply input circuit is protected with a fuse. Use the steps in the table below to replace the fuse on the power supply module.

Step

1

2

3

4

5

Action

Remove power from the controller.

Locate the fuse holder located on the power supply module. See Figure 36.

Using a slotted screwdriver, remove the fuseholder cap by rotating it counterclockwise.

Replace the fuse with the proper size and type.

•For 100-240 V supply: Size 5x20, F 3.15 A Time Delay 250 V, or equivalent.

•For 24 V supply: Size 5x20, 6.3 A Slow Blow, or equivalent.

Replace the cap by pressing in and rotating it clockwise with the screwdriver.

CPU

Module Power

Supply

CPU Battery Location

Replace ba ttery with Tadi ran TL5101/S	RUN
	on ly. Us e of another ba ttery ma y prese nt a risk of fire or ex pl osion . See use rs g uide for i nstructions.	DISPLAY

BAT

COMM B COMM A

_

100 - 240 V ~

50 / 60 Hz

100 VA MAX.

F 3,15 A T 250V

L1

L2 / N

Fuse Holder

Figure 36 Power supply fuse and CPU battery location

72	UMC800 Controller Installation and User Guide	Release F
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