6
OPM-160/A
INTRODUCTION
TESTING POLICY
Before any generator is shipped from the factory, it is fully
checked for performance. The generator is loaded to its
full capacity, and the voltage, current, and frequency are
carefully checked.
Rated output of generator is based on engineering tests
of typical units, and is subject to, and limited by, the
temperature, altitude, fuel, and other conditions specified
by the manufacturer of applicable engines.
PRODUCT DESCRIPTION
The Package Standby System is designed to automatically
provide standby power to unattended loads during
electrical outages. Upon interruption of normal electrical
service, the Packaged Standby System electrical control
circuits will automatically start the engine. The generator
will produce electrical power and the Automatic Transfer
Switch (ATS) will automatically transfer the electrical loads
to the engine-generator set. Upon restoration of normal
electrical service the emergency transfer switch will sense
return of the normal commercial power. The Automatic
Transfer Switch will transfer the load back to the normal
commercial power source. The engine control circuits will
begin a cool-down cycle, after which the fuel supply will be
shut off and the engine ignition system disabled.
AUTOMATIC TRANSFER SWITCH
A wall mounted ASCO 185 or ASCO 300 Automatic
Transfer Switch (ATS) designed for inside or outside
installation. The transfer switch is UL1008 approved. A
fourteen day electronic exerciser circuit is installed
in the ATS as standard equipment. The ATS also contains
the power failure sensing circuitry necessary to start and
stop the engine generator set. The transfer switch is also
equipped standard with a 3 second start delay, and a 15
second transfer delay to allow the engine to warm up
before transferring the load to the generator. When the
line power is restored the ATS has a 5 minute transfer delay
to allow the incoming utility to stabilize before transferring
back to line power and then an additional 1 minute engine
cool down delay before the engine shuts down. Read
and understand the ATS owners manual before installing,
servicing or operating the transfer switch.
Unit
Voltage
Minimum ATS Amps
PSS60F4-3
120/240
250
PSS60F4-4
120/208
225
PSS60F4-17
120/240
225
PSS60F4-18
277/480
100
PSS60F4-21
346/600
80
ENGINE/GENERATOR
The engine generator set consists of a Ford 6.2, Industrial,
four cylinder, liquid cooled engine equipped to run on
L.P./N.G. fuel. The engine operates at 1800 rpm and
frequency regulation is maintained by the electronic
governor within .5 cycles variation, from no load to rated
load. The generator is a single bearing, direct drive, rotating
field design. The generator is connected to the engine
flywheel via flexible drive disks. The engine generator
is available mounted in a weather proof enclosure for
outside installation. Connection boxes are provided to all
customer connections (both AC output and DC control). A
customer supplied 12 Volt, 650 CCA (BCI group 24) battery
is required to complete the installation. Engine operation is
controlled by a Deep Sea MKII (DSE) engine mounted in the
engine generator enclosure.
NOTICE
These units will automatically transfer if a power outage
occurs while running in an exercise mode.
