Operator’s Manual Model ARC100 100 Amp DC Welder WARNING: Do not assemble, install, or operate this equipment without reading ALL of this manual and the safety precautions and warnings illustrated in this manual. KDAR Company 1 Mulch Lane St. Louis, MO 63044 Tel: (314) 692-8555 Fax: (314) 692-8578 Web Site: www.hotmaxtorches.
SAFETY PRECAUTIONS AND WARNINGS PLEASE READ BEFORE USING EQUIPMENT WARNING Keep children away from this equipment Protect your self and others from possible injury Pacemaker wearers should consult with their doctor before operating Read and follow all instructions in this manual before operating All installation, operation, and maintenance procedures are performed only by qualified individuals ELECTRIC SHOCK CAN KILL.
WELDING SPARKS CAN CAUSE INJURY, FIRE, OR EXPLOSION Remove all flammable materials from the welding area Always have a charged fire extinguisher available in the welding area When not welding make sure the welding electrode is not grounded, this causes a heat build up and possible fire Avoid welding near hydraulic lines, fuel lines, electrical cords, air hoses, or welding guns and cables Sparks and hot metal fly out from the arc when welding, wear approved safety glasses with side shields under a
HOT PARTS CAN CAUSE SERIOUS BURNS Do not touch hot parts without wearing protection. Allow the electrode to cool sufficiently before working with parts that could potentially be hot.
Installation & Set Up Specifications MODEL ARC100 Input Voltage Input Amps Phase Output Amps Working Voltage Duty Cycle 110 Volts AC 24 1 30 - 85 Amps 23.4 V DC 100% @ 66 Amps 60% @ 85 Amps 1 Package Contents 5 4 1. Welder Assembly 2. 100 Amp Electrode Holder & 6’ Cable Assembly 3. 100 Amp Steel Ground Clamp & 6’ Cable Assembly 4. 5-1/2’ Power Cord with Standard 20 Amp Plug 5. Shoulder Strap 2 3 6.
Installation & Set Up Electrode & Ground Cable Connection Warning Before connecting the electrode and ground clamp cables be sure the welder is turned off and disconnected from the input power supply. The Hot Max ARC100 has two (2) possible settings; 1) Direct Current Electrode Negative (DCEN) straight polarity and 2) Direct Current Electrode Positive (DCEP) - reverse polarity. Refer to the welding electrodes (rod) you plan to use for the preferred polarity and amperage setting.
Operation Powering Up the Welder The ARC100 works best on a 20 Amp, 1 pole, 120V circuit breaker. Once the breaker size is confirmed, plug the welder into the appropriate matching receptacle and turn the current adjustment knob to above the 30 Amp setting. Current Adjustment Knob Welding Current Selection Welding current selection is by turning the adjustment knob on the front of the welder. Turning clockwise increases the amperage and turning counter clockwise decreases the amperage.
Warranty KDAR Company, and its affiliates, warrants that all welders covered under this warranty is free from defects in material and workmanship for one year from the date of purchase. KDAR also warrants that the electrode holder assembly and ground clamp assembly is free from defects in material and workmanship for 90 days from the date of purchase. This warranty is extended to the original purchaser who uses the product in a consumer application (personal, residential or household usage).
