GE ZTX manual Control Interface, Indicator LEDs

Control Interface

DANGER

HAZARDOUS VOLTAGE

(Can Cause Severe Injury or Death)

Turn OFF all power before installation, adjustment, or removal of transfer switch or any of its components.

Indicator LEDs

A S1	(Utility) Available Green LED.	When on, indicates source is acceptable.
B S1	(Utility) Position Green LED.	When on, indicates ATS is connected to Utility

CS2 (Generator) Available Red LED. When on, indicates source is acceptable.

D	S2 (Generator) Position Red LED.	When on, indicates ATS is connected to Generator.
E	Timing/In-phase Amber LED.	When blinking, indicates the ATS is timing a Delay
		When on steady, indicates the ATS is waiting for both
		sources to synchronize with each other.

D	C	E
A
B

Figure 7

F	G	H	I	Pushbuttons
				F	TEST - Pressed and held for 1 second Simulates
					a power outage, starts the Generator and
					transfers the ATS to S2.
				G	EXER SET - Sets an Automatic Exerciser
				H	BYPASS TIMER - Pressed while E is blinking
					bypasses any remaining countdown Timer
				I	CANCEL - Depending on the current state of ATS
					operation, ends specific functions or indications

■ GE Zenith Controls ZTX Operation and Maintenance Manual (72R-1000) 7 ■