Installation Instructions

R248 Series - 3 -

10. Green power LEDs on faceplate will illuminate when power is present. When an output is in a trouble

condition (blown fuse or tripped PTC), the corresponding LED will not be illuminated (Fig. 1, pg. 3).

a. Blown fuse - Set power disconnect circuit breaker on the back of the unit to the OFF position

(Fig. 1c, pg. 3).

Remove front faceplate to access fuses.

Replace with fuses rated @ 3.5A/250VA (Altronix model # Fuse1).

b. Tripped PTC - To reset PTC, set power disconnect circuit breaker on back of unit to the OFF position.

After approximately 30 secs. set power disconnect circuit breaker to the ON (RESET) position

(Fig. 1c, pg. 3).

11. Illuminated power disconnect circuit breaker with manual reset:

OFF position - Switch not illuminated. Outputs not powered.

RESET (ON) position - Circuit breaker illuminated. Outputs powered.

Circuit breaker tripped - Circuit breaker is not illuminated. Power LEDs on faceplate are not illuminated.

Outputs not powered.

To reset circuit breaker set power disconnect circuit breaker to RESET (ON) position (Fig. 1c, pg. 3).

Caution: Equipment to be installed / serviced by authorized / trained personnel only.

Shut branch circuit power before installing / servicing equipment.

XFMR*XFMR*

AC Power

LEDs

AC Power

LEDs

Removable

Terminal

Block

Strain Relief

Line Cord

Power Switch

Green Wire

Earth GND

PTC1

Used

on PTC

Models

S P N S P N

24VAC Output

(Factory Set) 28VAC Output

28VAC (Black)

24VAC (Yellow)

COM (Brown)

28VAC (Black)

24VAC (Yellow)

COM (Brown)

Fig. 1

Fig. 1a Fig. 1b Fig. 1c

Fig. 1d