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OM-2225 Page 11 3-4. Selecting a Location loc_2 3/96 - 802 140 / Ref. 151 556 1 Lifting Handles Use handles to lift unit. 2 Hand Cart Use cart or similar device to move unit. 3 Rating Label Use rating label to determine input power needs. 4 Line Disconnect Device Locate unit near correct input power supply. Special installation may be required where gasoline or volatile liquids are present . see NEC Article 511 or CEC Section 20. 24 in (610 mm) 17 in (432 mm) 12-1/2 in (318 mm) Movement 1 1 2 Do not move or operate unit where it could tip. Location 4 3 Dimensions And Weight 18 in (460 mm) 18 in (460 mm) 74 lb (34.6 kg) OM-2225 Page 12 3-5. Connecting Work Clamp And Gas/Air Supply Ref. 803 640-A / 802 201-B 1 Work Clamp 2 Workpiece Connect work clamp to a clean, paint-free location on workpiece, as close to cutting area as possible. Use only clean, dry air supply with 90 to 150 psi pressure. Torch requires 80 psi pressure. 3 Gas/Air Inlet Opening 4 Hose Use hose with an inside diameter of at least 3/8 in. If hose is over 40 ft (12.2 m) in length, use hose with 1/2 in inside diameter. 5 Teflon Tape Obtain hose with 1/4 NPT righthand thread fitting. Wrap threads with teflon tape (optional) or apply pipe sealant, and install fitting in opening. Route hose to gas/air supply. Adjust gas/air pressure according to Section 4-2. Tools Needed: 5/8, 1-1/8 in From Gas/Air Supply 3 4 5 Rear of Unit 1 2 3-6. Electrical Service Guide Single Phase Three Phase Input Voltage 230 230 460 Input Amperes At Rated Output 63 35 18 Max Recommended Standard Fuse Rating In Amperes Circuit Breaker 1, Time-Delay 2 70 40 20 Normal Operating 3 100 50 25 Min Input Conductor Size In AWG/Kcmil 8 10 14 Max Recommended Input Conductor Length In Feet (Meters) 71 (22) 97 (30) 152 (46) Min Grounding Conductor Size In AWG/Kcmil 8 10 14 Reference: 1999 National Electrical Code (NEC) 1 Choose a circuit breaker with time-current curves comparable to a Time Delay Fuse. 2 “Time-Delay” fuses are UL class “RK5” . 3 “Normal Operating” (general purpose . no intentional delay) fuses are UL class “K5” (up to and including 60 amp), and UL class “H” ( 65 amp and above). OM-2225 Page 13 3-7. Connecting Input Power L1 input_2 3/96 - Ref. ST-144 221 / Ref. 070 399-C / 802 140 Check input voltage available at site. The Auto-Link circuitry in this unit automatically links the power source to the primary voltage being applied, either 230 or 460 volts ac. 1 Input And Grounding Conductors 2 Line Disconnect Device See Section 3-6. For single-phase operation: 3 Black And White Input Conductor 4 Red Input Conductor 5 Insulation Sleeving 6 Electrical Tape Insulate and isolate red conductor as shown. Always connect green wire to supply grounding terminal, never to a line terminal. Connect black, white, and red wires (L1, L2, L3) to line terminals. 3/8 in 3/8 in 2 2 1 1 1 3 1 6 5 4 L2 L3 L1 L2 Always connect grounding conductor first. 3 1 = GND/PE Tools Needed: Green Green Green OM-2225 Page 14 SECTION 4 . OPERATION 1 Gas/Air Pressure Gauge 2 Gas/Air Pressure Adjustment Knob 3 Output Control Use control to set cutting output. Gas/air automatically flows at the set pressure. Use Gas/Air Set area of control range for setting gas/air pressure (see Section 4-2). 4 Trouble Lights (see Section 5-2) Power light comes On when Power switch is placed in On position. 5 Power Light 6 Ready Light Ready light comes On when unit is On to indicate that all safety shutdown systems are okay. If Ready light does not come On, check trouble lights. 7 Trigger Hold Switch To cut without holding torch trigger, depress upper end of Trigger Hold switch, press trigger to pilot, transfer torch to work, and release torch trigger within five seconds. To stop cutting, press and release trigger. When lower end of Trigger Hold switch is depressed, trigger must be held closed while cutting. 8 Torch Quick-Disconnect Connector 9 Power Switch 10 Door for Consumables Storage 4-1. Controls Ref. 187 861 / Ref. 802 201-B 10 9 Rear of Unit 8 1 2 7 4 5 6 3 20 40 60 80 160 140 120 100 OM-2225 Page 15 1 Output Control 2 Power Switch Place controls as indicated. Only gas/air circuit is activated when the Power switch is turned On with Output Control in Gas/Air Set position. 3 Gas/Air Pressure Adjustment Knob Pull knob and turn to adjust pressure. Push knob in to lock setting. Select desired cutting output with Output Control. 4-2. Setting Gas/Air Pressure Ref. 802 140 / Ref. 802 201-B 1 Set Controls Turn On Gas/Air Supply Adjust Pressure On Unit Select Desired Amperage To Begin Cutting Set To 80 PSI Requires 90.150 PSI Supply Setting Gas/Air Pressure Place Output Control in Gas/Air Set Position Power Switch On Rear of Unit 2 3 4-3. Sequence Of Operation Put On Personal Safety Equipment After cutting arc starts, slowly start moving torch across metal. Adjust torch speed so sparks go thru metal and out bottom of cut. Pause briefly at end of cut before releasing trigger. Install & Connect Equipment EXAMPLE Of Cuttin...