APC Automatic Disconnect Switch User Manual download pdf (Page 27)

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If you select MANUAL skip the next four sections. If you select AUTO then continue with the next four

sections by pressing the

Down Arrow key.

Press the

System Setup button to advance to the GEN START RELAY POS, and GEN STOP RELAY POS

displays.

Generator Start and Stop Relay Positions

The generator is automatically started by closing a set of relay contacts. These settings are used to ensure

proper automatic start/stop operation based on the specific operating requirements of your generator. The

default is

NORMALLY OPEN.

Press the

System Setup button to advance to the GEN START DLY TIME and GEN STOP DLY TIME displays.

Note The automatic start/stop generator must have an automatic choke, and must be

capable of being started and stopped automatically from a remote location. Refer

to your generator user’s manual; if you are still unsure, contact the generator

manufacturer.

Also, to take full advantage of the automatic start/stop capability, we strongly

recommend that you use a UPS as the BACKUP2 source. If you do not have a UPS,

you cannot control the delays or relay positions of the start/stop relays if a power

failure should occur, and proper operation during a power outage cannot be

guaranteed.

Warning Operating a gas generator inside a building or any other enclosed area may result

in asphyxiation or death from breathing carbon monoxide. Locate the generator

outdoors away from doors and windows. Ensure the generator has 3 to 4 feet of

spacing on all sides, including above the generator. Generators need an unlimited

supply of fresh air for proper cooling during operation. If the generator uses

gasoline, ventilation is critical and fuel must be stored in containers approved for

gasoline storage. Ensure that the generator is kept dry and is always operated on a

solid, level surface.

Note

The UTS Automatic Remote Start/Stop Kit (UTS REM) is required for automatic

generator start/stop operation.

Caution Thoroughly review your generator user’s manual for the manufacturer’s

recommended installation guidelines, and contact your electrician to ensure it is

installed properly. APC provides a UTS Generator Hard Wiring Interfacing Kit

(UTSHW) that can be connected to the generators of manufacturers with whom

APC has jointly performed tests. A UTS Automatic Remote Start/Stop Kit

(UTSREM) is also available from APC to connect to a generator capable of remote,

automatic start/stop operation.

GEN START RELAYPOS:

NORMALLY OPEN/CLOSED

GEN STOP RELAY POS:

NORMALLY OPEN/CLOSED

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APC Automatic Disconnect Switch User Manual Page 27

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