Summary of Contents for Generac Power Systems MAC MIH400HC
- Page 1 MIH400HC Indirect Fired Heat Cart Owner’s Manual 003999 MODEL NUMBER: _________________________ SERIAL NUMBER: _________________________ DATE PURCHASED:________________________ SAVE THIS MANUAL FOR FUTURE REFERENCE...
- Page 2 WARNING California Proposition 65. Engine exhaust and some of its constituents are known to the state of California to cause cancer, birth defects, and other reproductive harm. (000004) WARNING California Proposition 65. This product contains or emits chemicals known to the state of California to cause cancer, birth defects, and other reproductive harm.
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Page 3: Table Of Contents
Table of Contents Section 1: Introduction and Safety Section 4: Maintenance Introduction ..............1 Maintenance ...............17 Read This Manual Thoroughly ........1 Maintenance Tasks ............17 Safety Rules ..............1 Daily Walk Around Inspection ........17 How to Obtain Service ..........1 Draining and Refilling the Oil ........17 General Hazards ............2 Adding Coolant ............18 Explosion and Fire Hazards ........2... - Page 4 This page intentionally left blank. Owner’s Manual for Indirect Fired Heater...
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Page 5: Section 1: Introduction And Safety
Introduction and Safety Section 1: Introduction and Safety Introduction Throughout this publication, and on tags and decals affixed to the unit, DANGER, WARNING, CAUTION, and Thank you for purchasing a Generac Mobile Products NOTE blocks are used to alert personnel to special LLC product. -
Page 6: General Hazards
Introduction and Safety General Hazards CAUTION DANGER Equipment or property damage. Do not block air intake or restrict proper air flow. Doing so could Asphyxiation. Running engines produce result in unsafe operation or damage to unit. carbon monoxide, a colorless, odorless, poisonous gas. -
Page 7: Trailer Hazards
Introduction and Safety Battery Hazards WARNING WARNING Risk of Fire. Unit must be positioned in a manner that prevents combustible material Explosion. Batteries emit explosive gases while charging. accumulation underneath. Failure to do so Keep fire and spark away. Wear protective gear when could result in death or serious injury. -
Page 8: Service Safety
Introduction and Safety Service Safety • DO NOT perform even routine service (oil/filter changes, cleaning, etc.) unless all electrical com- ponents are shut down. • Replace all missing and hard to read decals. Decals provide important operating instructions and warn of dangers and hazards. •... -
Page 9: Section 2: General Information
General Information Section 2: General Information Specifications Heater 400,000 BTU/hour (117.2 kW/hour) maximum Type Indirect fired Power ISUZU 3CE1 Tier 4 Final diesel, 23.4 HP (17.4 kW) Operating Speed 1800 rpm Engine Controls/Display LOFA, pushbutton Air Volume 3600 CFM (6116 m /hour) Battery 575 CCA (115 CCA Reserve) -
Page 10: External Component Locations
General Information External Component Locations 004439 Table 1 – External Components Bonnet Parking brake Operating temp beacon Burner/blower access door Low fuel warning beacon Fork lift pockets Emergency stop Exhaust Fuel fill Engine access door Fire extinguisher Engine block frost plug Tie down ring(s) Control panel access Tow bar... -
Page 11: Engine Component Locations
General Information Engine Component Locations Table 2 – Engine Components Engine oil fill (not shown) Engine oil dipstick Air cleaner assembly Fuel/water separator assembly Coolant sub-tank (not shown) Engine fuel pump Engine radiator cap Electrical junction box Engine fuel filter Generator Engine oil filter Owner’s Manual for Indirect Fired Heater... -
Page 12: Burner Component Locations
General Information Burner Component Locations 004084 Table 3 – Burner Components Blower fan and motor Burner reset Fuel return valve Fuel supply valve Burner fuel filter Diesel fired burner Owner’s Manual for Indirect Fired Heater... -
Page 13: Control Panel
General Information Control Panel Table 4 – Control Panel Components Fuel gauge Low temperature indicator lamp (red) Outlet temperature indicator Burner stop button (red) Thermostat access Temperature selection switch Battery disconnect Main circuit breaker switch Engine ignition key Panel lock Engine controller M Control box ID tag Burner start button (green) -
Page 14: Emissions Information
General Information Emissions Information DANGER For emissions information, see the diesel engine OEM manual. Explosion and Fire. Do not overfill fuel tank. Overfilling may cause fuel to leak and ignite or explode, resulting in death or serious injury. Engine Oil Recommendations (000204) Change oil and oil filter at least once every 12 months, even if the hours of operation are fewer than the other-... -
Page 15: Parking Brake Use
General Information Frost Plug Heater Before towing, verify the following: • The coupling, tires, and wheels are in working The unit is equipped with a frost plug heater (see order. Table 1: External Components, letter N) to improve effi- ciency in extreme temperatures. The frost plug heater •... - Page 16 General Information This page intentionally left blank. Owner’s Manual for Indirect Fired Heater...
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Page 17: Section 3: Operation
Operation Section 3: Operation Theory of Operation Engine Oil Level Check The indirect heater generates heat if power is supplied to CAUTION the burner when the thermostat is on and reading tem- perature. This starts the combustion in the blast box, Engine damage. -
Page 18: Ducting Guidelines
Operation Ducting Guidelines CAUTION WARNING Equipment or property damage. Do not block air intake or restrict proper air flow. Doing so could Burn hazard. Do not remove ducting until all air result in unsafe operation or damage to unit. pressure has been emptied from hose duct. (000229) Failure to do so could result in severe injury. -
Page 19: Engine And Heater Shutdown
Operation Engine and Heater Shutdown WARNING In case of an emergency, press the emergency stop button to stop the engine immediately. Failure to do so could result in death or serious injury. (000298) CAUTION Equipment damage. Shut down the heater before 004117 turning off the generator. -
Page 20: View/Adjust Temperature Set Point
Operation View/Adjust Temperature Set Point 1. Press MENU and the set point will flash. Press MENU again to display existing set point. 2. Press either UP or DOWN arrow keys to change the temperature set point. 3. Press MENU to save the new value. The display returns to sensed temperature. -
Page 21: Section 4: Maintenance
Maintenance Section 4: Maintenance Maintenance Draining and Refilling the Oil Regular maintenance will improve performance and extend WARNING engine/equipment life. Generac Mobile Products, LLC. rec- ommends that all maintenance work be performed by a Risk of burns. Allow engine to cool before draining oil or coolant. -
Page 22: Adding Coolant
Maintenance Maintenance Schedule Adding Coolant The following is the manufacturer’s recommended main- DANGER tenance schedule. The maintenance items need to be performed more frequently if the heater is used in severe Risk of poisoning. Do not use mouth to siphon applications (such as very high or very low ambient con- coolant. -
Page 23: Maintenance Schedule
Maintenance Maintenance Schedule Inspect fuel level. • Inspect engine oil level. • Inspect coolant. • Inspect governor lever. Daily • Drain water separator. • Inspect radiator and engine cooling fan. • Inspect generator intake and exhaust air screens for debris. •... -
Page 24: Battery Inspection
Maintenance Battery Inspection NOTE: Disconnect the black negative cable or turn off the battery switch before inspecting or working on the electrical system. Always disconnect the negative cable DANGER first. Electrocution. Do not wear jewelry while An authorized operator should inspect the engine battery working on this equipment. -
Page 25: Other Maintenance Checks
Maintenance Return to Service CAUTION Follow the guidelines below for engines and machines that have not been operated for three to six months: Do not make battery connections in reverse. • Conduct a thorough inspection of the machine Doing so will result in equipment damage. before starting the engine. - Page 26 Maintenance This page intentionally left blank. Owner’s Manual for Indirect Fired Heater...
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Page 27: Section 5: Troubleshooting
Troubleshooting Section 5: Troubleshooting General Troubleshooting Guide Problem Cause Solution Low battery output voltage or discharged Charge or replace batteries. See Bat- battery. tery Installation and Replacement. Clean and tighten connections. Loose or corroded connections. Replace as necessary. Faulty start circuit relay. Contact a GMP ASD. - Page 28 Troubleshooting Problem Cause Solution Disengage PTO. Engine starting under load. Review starting procedure. See Before Starting Engine Incorrect starting procedure. Engine and Heater Startup. Restricted exhaust. Check and correct exhaust restriction. No fuel. Check fuel tank and replenish. Air in fuel line. Purge fuel lines.
- Page 29 Troubleshooting Problem Cause Solution Reduce engine load. Engine overloaded. Replace air cleaner element as Restricted or dirty air cleaner. required. Determine cause of low compression Insufficient compression. and repair as required. Locate source of leak and repair as Leaks in fuel supply system. required.
- Page 30 Troubleshooting Problem Cause Solution Replace bearing(s). Faulty bearing(s). Abnormal generator noise Loose or misaligned coupling. Tighten, realign, or replace coupling. Overloaded generator. Reduce load. Contact a GMP ASD. Clogged ventilation screens. Clean air passages and screens. Reduce load, increase ventilation. Generator overheating High temperature or altitude.
- Page 31 Troubleshooting Problem Cause Solution Replace air cleaner element as Restricted or dirty air cleaner. required. Fill cooling system to proper level. Check radiator and hoses for loose Insufficient coolant in cooling system. connections or leaks. See Adding Coolant. Check oil level. Add oil as required. Insufficient engine oil.
- Page 32 Troubleshooting Problem Cause Solution Drain crankcase and refill with correct Insufficient crankcase oil viscosity. viscosity oil. See Draining and Refill- ing the Oil. Drain oil until oil level is correct. See Excessive crankcase oil. Draining and Refilling the Oil. Determine source of oil leak(s) and External oil leak(s).
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Page 33: Section 6: Installation Diagrams And Service Log
Installation Diagrams and Service Log Section 6: Installation Diagrams and Service Log Control Box Wiring Diagram (1 of 3) Owner’s Manual for Indirect Fired Heater... - Page 34 Installation Diagrams and Service Log Control Box Wiring Diagram (2 of 3) Owner’s Manual for Indirect Fired Heater...
- Page 35 Installation Diagrams and Service Log Control Box Wiring Diagram (3 of 3) Owner’s Manual for Indirect Fired Heater...
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Page 36: Service Log
Installation Diagrams and Service Log Service Log OIL GRADE: _____________________________________ BRAND: __________________________________ COOLANT MIXTURE: _____________________________ BRAND: __________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ Hours to Coolant Hours to Coolant Date Oil Level Date Oil Level Service Level Service Level Owner’s Manual for Indirect Fired Heater... - Page 37 Installation Diagrams and Service Log This page intentionally left blank. Owner’s Manual for Indirect Fired Heater...
- Page 38 Installation Diagrams and Service Log This page intentionally left blank. Owner’s Manual for Indirect Fired Heater...
- Page 40 Part No. 10000011299 Rev. A 01/10/17 ©2017 Generac Mobile Products All rights reserved. Specifications are subject to change without notice. Generac Mobile Products No reproduction allowed in any form without prior written 215 Power Drive, Berlin, WI 54923 consent from Generac Mobile Products. GeneracMobileProducts.com │800-926-9768 │920-361-4442...