Maintenance, Replacing the Fuse | Transition Networks SPS-1872-PS

SPS-1872-xx

Installation -- Continued

Supplying Power to the SPS-1872-xx

CAUTION: The power source MUST BE TURNED OFF when connecting it to the SPS-1872-xx external power supply. Failure to observe this caution could result in damage to, and subsequent failure of, the SPS-1872-xx and any attached device.

To supply power to the SPS-1872-xx:

1.Ensure that external power source is truned OFF.

2.Connect the positive (+) terminal of the power source to the positive terminal on the SPS-1872-xx (marked with a “3”). Turn the terminal screw clockwise to secure it.

3.Connect the negative (-) terminal of the power source to the negative terminal on the SPS-1872-xx (marked with a “2”). Turn the terminal screw clockwise to secure.

4.Connect the ground terminal of the power source to the ground terminal on the SPS-1872-xx (marked with a “1”). Turn the terminal screw clockwise to secure.

5.Power on the external power source.

WARNING: The SPS1872 must be attached to a limited current circuit with a non-hazardous energy level of less than 240VA and be located in a restricted access area. Failure to observe this warning could result in an electrical shock.

1	2	3	INPUT
			INPUT
			POWER:
		1	2	3	SPS-1872-xx
		1	2	3
		______	-	+
		___	-	+
		___
GND	-	+

External Power Source

Maintenance

Replacing the Fuse

CAUTION: The external power source MUST BE POWERED OFF when replacing the fuse to the SPS-1872-xx external power supply. Failure to observe this caution could result in damage to, and subsequent failure of, the SPS-1872- xx and any attached device.

NOTE: Replace the fuse only with one of the same size and rating.

To replace the fuse in the SPS-1872-xx external power supply:

1.Ensure that the external power source is turned OFF.

2.Remove and retain the four (4) screws that secure the cover to the SPS- 1872-xx external power supply.

3.Carefully lift the cover from the SPS-1872-xx.

4.Locate the fuse on the SPS-1872-xx (see the picture below).

5.Carefully remove the fuse the from the fuse holder.

6.Install a same size and rating replacement fuse in the fuse holder.

7.Carefully slide the cover onto the SPS-1872-xx.

8.Replace the four (4) retained screws that secure the cover to the SPS- 1872-xx.

9.Power on the external power source.

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