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Table of Contents Guardian Air-cooled 7 kW, 12 kW and 15 kW Generators 3.2.2 “Off” Position....................................13 Introduction ........................Inside Front Cover Read This Manual Thoroughly ........................IFC 3.2.3 “Manual” Position ............................13 Contents ..........................................................IFC 3.3 Automatic Transfer Operation ....................14 Operation and Maintenance ............................IFC 3.4 Sequence of Au
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IMPORTANT SAFETY INSTRUCTIONS Guardian Air-cooled 7 kW, 12 kW and 15 kW Generators SAVE THESE INSTRUCTIONS – The manufacturer suggests that these rules for safe operation be copied and posted near the unit’s installation site. Safety should be stressed ! ! to all operators and potential operators of this equipment. ! ! ! ! WARNING: GENERAL HAZARDS The engine exhaust from this product For safety reasons, Generac recommends contains chemicals known to the state of California to cause cancer, bi
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IMPORTANT SAFETY INSTRUCTIONS Guardian Air-cooled 7 kW, 12 kW and 15 kW Generators Keep a fire extinguisher near the generator at all times. Extinguishers rated “ABC” by the National ELECTRICAL HAZARDS Fire Protection Association are appropriate for use on the standby electric system. Keep the extin- All generators covered by this manual produce dangerous electrical voltages and can cause fatal guisher properly charged and be familiar with its use. If you have any question pertaining to fire
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Section 1 — General Information Guardian Air-cooled 7 kW, 12 kW and 15 kW Generators 1. The Auto/Off/Manual switch is set to the AUTO DANGER position. 2. The “Not In Auto” dip switch is set to the OFF Only qualified electricians or contractors should position on the control board. attempt such installations, which must comply strictly 3. No alarms are present. with applicable codes, standards and regulations. 1.3 ADDITIONAL GENERATOR 1.1 UNPACKING/INSPECTION FEATURES After unpacking, carefully i
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Section 1 — General Information Guardian Air-cooled 7 kW, 12 kW and 15 kW Generators 1.5 SPECIFICATIONS 1.5.1 GENERATOR Model 04389 Model 04456 Model 04390 Rated Max. Continuous Power Capacity (Watts*) 6,000 NG/7,000 LP 10,000 NG/12,000 LP 13,000 NG/15,000 LP† Rated Voltage 120/240 120/240 120/240 Rated Max. Continuous Load Current (Amps) 120 Volts 50.0 NG/58.3 LP 83.3 NG/100.0 LP 108.3 NG/125.0 LP 240 Volts 25.0 NG/29.2 LP 41.6 NG/50.0 LP 54.2 NG/62.5 LP Main Line Circuit Breaker 30 Amp 50 Am
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Section 1 — General Information Guardian Air-cooled 7 kW, 12 kW and 15 kW Generators 3. The unit has been factory set to run on NG fuel. Protect the switch at all times against excessive To reset the system to run on LP fuel, turn the moisture, dust, dirt, lint, construction grit and two adjustment screws 1/2 turn clockwise. Use a corrosive vapors. large screwdriver to make this adjustment. Be 1.10 BATTERY INSTALLATION sure to replace the plastic plug in the back of the Fill the battery with t
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Section 2 — Post Installation Start-up and Adjustments Guardian Air-cooled 7 kW, 12 kW and 15 kW Generators NOTE: The following procedures are to be observed: Wear full eye protection and protective clothing; Your generator is equipped with a battery trickle Where electrolyte contacts the skin, wash it off charger that is active when your unit is set up for immediately with water; automatic operation. With the battery installed Where electrolyte contacts the eyes, flush and utility power
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Section 2 — Post Installation Start-up and Adjustments Guardian Air-cooled 7 kW, 12 kW and 15 kW Generators 8. Connect an accurate AC voltmeter and an AC fre- 2.2 CHECK TRANSFER SWITCH quency meter across transfer switch terminal OPERATION lugs E1 and E2. Voltage should be 242-252 volts; Refer to Section 3.5 (Page 14), of the owner’s manual frequency should read about 61-63 Hertz. for manual operation procedures. 9. Connect the AC voltmeter test leads across termi- nal lug E1 and neutral; then
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Section 2 — Post Installation Start-up and Adjustments Guardian Air-cooled 7 kW, 12 kW and 15 kW Generators 8. Turn ON electrical loads. Apply an electrical load 2.6 ADJUSTING THE REGULATOR equal to the full rated wattage/amperage capacity (NATURAL GAS ONLY) of the installed generator. Although the generator has been factory set to pro- 9. Connect an accurate AC frequency meter across vide maximum power, it may be necessary in some terminal lugs E1 and E2. Voltage should be areas to adjust this
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Section 3 — Operation Guardian Air-cooled 7 kW, 12 kW and 15 kW Generators The actual sequence of operation is controlled by sensors and timers on a control logic circuit board, as follows: With the switch set to AUTO, the engine may ! crank and start at any time without warning. A.Utility Voltage Dropout Sensor Such automatic starting normally occurs when This sensor monitors utility source voltage. utility power source voltage drops below a pre- If utility source voltage drops below about
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Section 3 — Operation Guardian Air-cooled 7 kW, 12 kW and 15 kW Generators DANGER DANGER Do not attempt to activate the transfer switch Do not attempt to activate the transfer switch manually until all power voltage supplies to manually until all power voltage supplies the switch have been positively turned off. to the switch have been positively turned off. Failure to turn off all power voltage supplies Failure to turn off all power voltage supplies may result in extremely hazardous and possib
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n e s o o L Section 4 — Maintenance Guardian Air-cooled 7 kW, 12 kW and 15 kW Generators Any attempt to crank or start the engine before Never operate the engine with the oil level ! it has been properly serviced with the recom- ! below the “Add” mark on the dipstick. Doing mended oil may result in an engine failure. this could damage the engine. 4. Install the dipstick. 4.3.2 OIL CHANGE PROCEDURE 5. Reset the Auto/Off/Manual switch to its original To change the oil, proceed as follows: positi
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