Emerson 7ADTB manual BYPASSING & ISOLATING continued, To Bypass Normal Source

BYPASSING & ISOLATING (continued)

To Bypass Normal Source*

(Load connected to Normal Source)

The Transfer Switch Connected To Normal light is on and Transfer Switch Connected To Emergency light is off.

Push in the handle and turn it counterclockwise.*

Push in* the Bypass Handle all the way, then turn it counterclockwise until Bypass Switch Position shows closed on NORMAL (yellow window indicator). The green light Bypassed to Normal will come on and the amber light Not In Automatic will flash.

Push in	Bypass Switch	E
Bypass
Handle
and
turn it
counter-		L
clockwise.
		N
	ATS

Figure 3–5. Bypass to Normal diagram.

BYPASS SWITCH

Upper green	BYPASSED TO NORMAL
light comes on

BYPASSED TO EMERGENCY

To Bypass Emergency Source*

(Load connected to Emergency Source)

The Transfer Switch Connected To Emergency light is on and Transfer Switch Connected To Normal light is off.

Turn the handle clockwise.*

Turn* the Bypass Handle clockwise until Bypass Switch Position shows closed on EMERGENCY (yellow window indicator). The red light Bypassed to Emergency will come on and the amber light Not In Automatic will flash.

Turn	Bypass Switch	E
Bypass
Handle
clock-
wise.		L
		N
	ATS

Figure 3–7. Bypass to Emergency diagram.

BYPASS SWITCH

BYPASSED TO NORMAL

Lower red light comes on

BYPASSED TO EMERGENCY

Lower window indicator NORMAL shows yellow

Upper window indicator EMERGENCY shows yellow

Figure 3–6. Status light and window indicator for	Figure 3–8. Status light and window indicator for
Bypassed to Normal Source.	Bypassed to Emergency Source.

The automatic transfer switch can now be put in the TEST or OPEN position. See ISOLATING on page 3–3.

*NOTE: When Accessory 40*B (reversed Normal & Emergency connections) is specified, the handle operation is reversed. Follow instructions on the door.

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