Multiquip operation manual BLW-400SSW Load Application, Single Phase Load

Table of Contents

BLW-400SSW — LOAD APPLICATION

Single Phase Load

Always be sure to check the nameplate on the welder/AC generator and equipment to insure the wattage, amperage and frequency requirements are satisfactorily supplied by the welder/AC generator for operating the equipment.

CAUTION:

Motors and motor-driven equipment draw much greater current for starting than during operation.

Generally, the wattage listed on the nameplate of the equipment is its rated output. Equipment may require 130— 150% more wattage than the rating on the nameplate, as the wattage is influenced by the efficiency, power factor and starting system of the equipment.

NOTE

If wattage is not given on the equipment's name plate, approximate wattage may be determined by multiplying nameplate voltage by the nameplate amperage.

WATTS = VOLTAGE x AMPERAGE

The power factor of this welder/AC generator is 1.0. See Table 11 below when connecting loads.

Table 11. Power Factor By Load

Type Of Load	Power Factor
Single-phase induction motors	0.4 - 0.75
Electric heaters, incandescent	1.0
lamps
Fluorescent lamps, mercury lamps	0.4 - 0.9
Electronic devices, communication	1.0
equipment
Common power tools	0.8

!When connecting a resistance load such as an incandescent lamp or electric heater, a capacity of up to the generating set’s rated output (kW) can be used.

!When connecting a fluorescent or mercury lamp, a capacity of up to the generating set’s rated output (kW) multiplied by 0.6 can be used.

!When connecting an electric drill or other power tools, pay close attention to the required starting current capacity.

An inadequate size connecting cable which cannot carry the required load can cause a voltage drop which can burn out the appliance or tool and overheat the cable.

The idle control is operated at minimum load capacity of 100W. If the load capacity is less than 100W, change the idle control switch to the "OFF" position.

CAUTION:

Before connecting this welder/AC generator to any building’s electrical system, a licensed electrician must install an isolation (transfer) switch. Serious injury or death may result without this transfer switch.

When connecting ordinary power tools, a capacity of up to the generating set’s rated output (kW) multiplied by 0.8 can be used. Use Table 12 below for proper welding electrode size for power capacity.

With AC loads of more than 150W (such as lighting equipment, motor-powered tools, submersible water pumps, etc.), the engine runs at high speed. When a no load condition is produced, the engine automatically slows down.

Turn the idle control switch to the “ON” (up) position when AC loads of more than 150W are connected. Turn the idle control switch to the “OFF” (down) position when AC loads of less than 100W or when a magnetic switch is used.

Table 12. Electrode and AC Power

Capacity

Welding Electrode	AC Power Source
Size	Capacity
0	14kW
3/32" TO 1/8"	6kW
5/32"	4kW
3/16"	2kW
7/32" TO 1/4"	1kW

PAGE 30 — BLW-400SSW- WELDER/AC GENERATOR — PARTS & OPERATION MANUAL — REV. #1 (06/15/01)