Lincoln Electric SVM 113-A service manual Premises Wiring, Circuit Breakers

A-7 A-7

INSTALLATION

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PREMISES WIRING

The WELDANPOWER 125 three-wire, grounded neu- tral generator allows it to be connected to premises wiring. However, the wiring procedure needed to meet the National Electric Code (NEC) regulations as well as city ordinances can be confusing. Matters get worse depending on whether you want the machine to be “hardwired” to the premises or only connected tem- porarily.

WARNING

Only a licensed, certified, trained electrician should install the machine to a premises or residential electri- cal system. Be certain that:

•The premises is isolated and no feedbacking into the utility system can occur. Certain state and local laws require the premises to be isolated before the generator is linked to the premises. Check your state and local requirements.

•A double pole, double throw transfer switch in con- junction with the properly rated double throw circuit breaker is connected between the generator power and the utility meter.

The WELDANPOWER 125 does not have a combined 115/230 volt twist-lock receptacle and cannot be con- nected to a premises as described in other Lincoln lit- erature.

Remember that the WELDANPOWER 125 is intended only for backup, intermittent use. It cannot withstand long-term use without proper maintenance. See the Maintenance section of this manual for more informa- tion.

Certain electrical devices cannot be powered by the WELDANPOWER 125. Refer to Table A.2 for these devices.

CIRCUIT BREAKERS

The WELDANPOWER 125 has its own 20 amp circuit breakers for overload protection (15 amp CSA). When the

machine is operated in high temperature environ- ments, the breakers may tend to trip at lower loads than normally.

CAUTION

Never bypass the circuit breakers. Without overload protection, the WELDANPOWER 125 could overheat and/or cause damage to the equipment being used.

WELDANPOWER 125