Ac electrical connections – Winco ULPSS20B4W/A User Manual

Page 11

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20-00

60706-228

**** CAUTION ****

EQUIPMENT DAMAGE - Always connect the posi-

tive cable first and the negative cable last. When

disconnecting, remove the negative cable first and

the positive cable last. Failure to connect and dis-

connect in the proper sequence can cause equip-

ment damage.

Observe polarities: connect the positive (+) battery

terminal to the (+) cable from the engine starter;

the negative (-) battery terminal is connected to the

negative cable (ground) from the engine generator

assembly. All connections must be clean and tight.

Check the electrolyte (fluid) in the battery periodi-

cally to be sure it is above the plates. Never allow

the battery to remain in a discharged condition.

**** CAUTION ****

EQUIPMENT DAMAGE - NEVER JUMP START

these units. Doing so will destroy the engine control

module, rendering the unit non-operational. Remove

and fully recharge the battery before attempting to

start.

CONNECTING THE BATTERY CHARGER

A two-stage battery tender is provided on all PSS

series generators. This battery tender charges at

a rate of 750 mA until the battery is fully charged

and then automatically switches to a 3.2 VDC float

charger. The charger has an indicator light on it.

Red indicates it is charging, and green indicates it

is in the storage mode (float charge). This charger

is mounted on the generator set which is located

behind an access cover in the rear of the unit.

The battery tender receptacle is to be powered by

a GFCI circuit and installed in accordance with the

United States National Electric Code. These AC

wires can be run in the same conduit as the other

AC leads from the generator. It is suggested that

this circuit be fused for 5 amps. Terminal block

connections have been provided in the customer

connection area of the engine generator set. See

Page 0 for diagram.

** NOTICE **

The battery tender is not intended to recharge a

battery which has become completely discharged. It

is designed to produce enough current to recharge

a slightly low battery and maintain a fully charged

battery.

MOUNTING THE AUTOMATIC

TRANSFER SWITCH (ATS)

******************

***** WARNING *****

******************

EQUIPMENT DAMAGE - Protect the switch from

construction grit and metal chips to prevent mal-

function or shortened life of the switch. Contactors

returned for warranty consideration with foreign

materials inside of them will not be warranted.

Before installing the ATS you must first ensure that

the transfer switch is large enough to handle your

complete distribution panel. If you are installing a

00 amp transfer switch, the main line circuit breaker

must not be larger than 00 amps. If you have a

25, 50, 200 amp or larger system and want to use

a 00 amp transfer switch, you will not be able to

transfer the complete electrical system. In this case

it will be necessary to install a secondary emergency

distribution panel.

AC ELECTRICAL

CONNECTIONS

NOTICE - CLASS 1 WIRING METHODS ARE TO

BE USED FOR ALL FIELD WIRING CONNEC-

TIONS TO TERMINALS OF A CLASS 2 CIRCUIT.

******************

***** WARNING *****

******************

A main line circuit breaker has been provided inside

the generator housing. During all wiring installation,

make sure the breaker is in the off position and the

generator operators switch is in the off position.

Note: This symbol always indicates

ground where used.

GENERATOR CONNECTIONS

Minimum conductor sizes between the generator

and the ATS. Based on wire type and temperature

rating. Wire has been derated for 40° C ambient

temperatures.

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