Delta GR150 Operations Instructions download pdf (Page 11)

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CAUTION – PERSONAL DANGER

CAUTION - NEVER dispose of a battery in a fire. The battery is

capable of exploding.

CAUTION -DO NOT open or mutilate the battery. Released

electrolyte is known to be harmful to the skin and eyes and to be

very toxic.

These engine generator sets are all NEGATIVE ground. Be very

careful not to connect the battery in reverse polarity, as this may

short circuit the battery charging system on the engine.

CAUTION – A battery presents a risk of electrical shock and high

short circuit current. The following precautions must be observed

when working with batteries:

1. Remove watches, rings and other metal objects.

2. Use tools with insulated handles.

3. Check both the battery cable ends and the battery posts to be

sure they are free of corrosion.

3. Always connect the battery positive cable first and then

connect the battery negative cable. When removing the battery

cables from the battery reverse the procedure, disconnect the

negative cable first and then the positive cable.

4. Be sure all connections are tight and coat the terminals and

cable ends with dialectic grease.

WARNING – The electrolyte is a diluted sulfuric acid that is

harmful to the skin and eyes. It is electrically conductive and

corrosive. The following precautions must always be taken:

* Always wear full eye protection and protective clothing

* Where electrolyte contacts the skin, wash off immediately

with water

* If electrolyte contacts the eyes, flush thoroughly and immedi-

ately with water and seek immediate medical attention

* Spilled electrolyte is to be washed down with an acid neutral-

izing agent. A common practice is to use a solution of one pound

of bicarbonate of soda (baking soda) to one gallon of water. The

bicarbonate of soda solution is to be added until the evidence of

reaction, foaming, has ceased. The resulting liquid is to be

flushed with water and the area dried.

DANGER – Explosive Fire Risk

* Never smoke when near batteries

* Do not cause a flame or spark in the battery area

* Always discharge static electricity from your body before

touching batteries by first touching a grounded metal surface

SERVICING BATTERIES

Batteries used on these units may, over time, lose water. This is

especially true if you are using a trickle charger to maintain your

battery. When refilling the battery with water use only distilled

water. Tap water will shorten the service life of the battery.

Never fill the battery above the fill line. Over filling above the

upper level line may cause the electrolyte to overflow, resulting in

corrosion to the engine or nearby parts. Immediately wash off

any spilled electrolyte following the procedure above.

NOTE: Always make sure that a new battery is fully charged

before installing it on a generator set. Failure to do so can

cause damage to the engine control module in the generator

set.

All connections must be clean and tight. Check the electrolyte

(fluid) in the battery periodically to be sure it is above the plates.

Never allow the battery to remain in a discharged condition.

CONNECTING THE BATTERY CHARGER &

BLOCKHEATER

A three-stage battery charger is provided standard for all 12 volt

standby systems. The standard charger is a Automatic Battery

Charger & Maintainer. This Charger has three rates of charging.

During the first stage, know as BULK Charging, the charging

current is limited to 2 Amps at a voltage of up to 14.5 volts. The

green LED will blink during this stage. During stage two, know as

ABSORPTION Charging, the charging voltage is held at 14.5

volts and the charging rate gradually reduces the amount of

current (amps) flowing to the battery. The green LED will also

blink during this stage. Stage three is called MAINTENANCE

Charging. During this stage the voltage will drop to 13.3 volts and

the charge rate will drop to as low at .1 amps. This keeps your

batteries in a fully charged condition without over charging them.

During this stage the green LED is constantly lit.

All 24 volt battery chargers and optional 12 volt chargers will have

either a cord on them that you can plug into the receptacle on the

side of the connection box or, depending on size, they may

require hard wiring in the terminal block in the bottom of the

connection box.

** NOTICE **

The trickle charger is not intended to recharge a battery

which has become completely discharged. It is designed to

produce just enough current to maintain a fully charged

battery.

The battery tender receptacle is to be powered by a GFCI circuit

and installed in accordance with the United States National

Electric Code. It is suggested that this circuit be fused for 20 -30

amps, depending on blockheater requirements. Then both the

battery charger and the block heater can be connected to the

same circuit. A 120 volt duplex receptacle is mounted on the

customer connection box for a 20 amp circuits. Terminal blocks

are provided for heavier circuits.

The engine blockheater installed on this unit should also be

plugged in this receptacle. The block heater is thermostatically

controlled and when plugged in will maintain the engine coolant

temperature between 100 and 120 degrees F.

MOUNTING THE AUTOMATIC

TRANSFER SWITCH (A.T.S.)

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

***** WARNING *****

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

FIRE HAZARD - All wiring must be done by a licensed

electrician, and must conform to the National Electrical Code

and comply with all state and local codes and regulations.

Check with the local authorities before proceeding!

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Delta GR150 Operations Instructions Page 11

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