Telect 06004-01, 06004-11 ALARM WIRING, —

!WARNING

WARNING! Use only UL-listed or UL-recognized component secondary protection devices.

24.Insert the proper sizes of GMT fuses in designated fuse holders using the designation card to identify circuits. Check voltage and polarity at input of loads.

25.After all designated GMT fuses have been installed, check that the A and B LEDs are still green. If an output fuse blows, the corresponding A or B LED will turn red; if an input fuse blows, the corresponding A or B LED will be orange or amber. Again, test FAIL RELAY alarm pins on rear of panel. As before —

•Expect continuity (0Ω) between Terminals C and NC.

•Expect an open circuit (∞Ω) between Terminals C and NO.

26.If available, replace one of the output fuses with a blown fuse and check that the A or B LED changes to red. Check the FAIL ALARM pins again:

•Expect an open circuit (∞Ω) between Terminals C and NC.

•Expect continuity (0Ω) between Terminals C and NO.

When finished, re-install the operable fuse.

27.Do the same with one of the input fuses. Notice that the A or B LED changes to amber. The FAIL RELAY alarm pins will indicate a failure condition.

28.If desired, wire-wrap remote external audio/visual alarm in-

dicator wires (solid copper wires, #22 to #18 AWG) to the alarm terminals. See “Alarm Terminal Wiring,” in the next subsection.

29. One by one, re-enable load equipment and verify proper op- eration.

30. Fold designation card on the score line and slip into holder on front of panel, as shown on the right.

ALARM WIRING

Designation Card Holder

Model 06004-01 has a standard alarm relay (FAIL RELAY) for each feed — one for Side A and one for Side B. Models 06004-11 contains the standard alarm relay plus an auxiliary relay (AUX RELAY) that can be triggered externally. All relays have two sets of Form C dry contacts for wiring to audible and visual alarm indicators.

Audible and/or visual failure indicators can be wired to the alarm pins in several ways.

—— Standard Alarms

When an input or output fuse blows the relay is de-energized and the normally open contacts close and the normally closed contacts open to indicate the failure.

A	B			A	B
External		External	External
Alarm Device		Alarm Device	External
FAIL			Alarm Device	FAIL
RELAY				FAIL
External	NO C NC NO C NC	External		RELAY
Alarm Device		Alarm Device	External	NO C NC	NO C NC
			Alarm Device
NEG (or -GND)	+GND (or POS)	NEG (or -GND)	NEG (or -GND)
			NEG (or -GND)	+GND (or POS)
a. Separate Alarms for Side A & Side B			b. Combined Alarms for Side A & Side B

Standard Alarm Wiring

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