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Battery Control Center (Con’t)

Battery Control Center (Con’t). Battery Control Center (Con’t). F20. Blank. Changed to circuit breakers by Rev K. F1 25A. MAXI. Driver Pwr Seat. F15 3A. LP Det (Coach). Pass Pwr Seat. F2 25A. MAXI. F14 15A Luggage Bay Lights. F16 10A. Radio Switch. F3 20A. Step Motor.

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Battery Control Center (Con’t)

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  1. Battery Control Center (Con’t)

  2. Battery Control Center (Con’t) F20 Blank Changed to circuit breakers by Rev K F1 25A MAXI Driver Pwr Seat F15 3A LP Det (Coach) Pass Pwr Seat F2 25A MAXI F14 15A Luggage Bay Lights F16 10A Radio Switch F3 20A Step Motor F17 3A AUX Start Dash Switch F4 3A Step Switch F18 3A Solar Panel F13 15A Fog Lights F5 3A LP Det (Chassis) F19 5A* Coach & Chassis Bat Disconnect Switch Coil Power F6 3A Ignition Signal F21 15A Service Bay Lights F23 10A* AUX Hot * Changed to 10A by Rev H F7 15A Spare IGN * Changed to 5A by Rev J F8 15A Spare F9 20A Power Mirror F10 15A Horn F11 10A Leveling Jacks F12 15A Dash Fan F22 3A AUX Start Relay Pwr

  3. Battery Disconnect Switches

  4. Battery Control Center (Con’t) • Battery Disconnect Switches • Each switch controls a magnetically latched relay with power applied to coil only momentarily to latch the switch • Unlatch by applying current in the other direction • If chassis or coach battery is disconnected , it is automatically connected if ignition is switched on • A lockout feature prevents disconnecting the chassis battery when the ignition switch is on

  5. Battery Control Center (Con’t) • What does NOT work with Coach battery disconnected: • 12v Lighting / 12v Power Outlets • Water Pump / Dash Radio / Bedroom Radio • Furnace / Refrigerator / Water Heater • Air Conditioners • Generator

  6. Battery Control Center (Con’t) • What does NOT work when Chassis battery disconnected with ignition switch OFF: • Steps • Clearance lights • Fog lights • Slides • Leveling Jacks • Turning On the ignition switch automatically causes both battery disconnect relays to change to the connected position • The chassis battery cannot be disconnected using the disconnect switch with ignition ON • The coach battery can be disconnected using the disconnect switch.

  7. Battery Control Center (Con’t) • What does NOT work when bothChassis battery and Coach battery are disconnected: • Propane detector • Propane automatic shutoff valve closes to prevent any propane use while the detector has no power

  8. Battery Control Center (Con’t) • Charging and Auxiliary Starting Relay • Located on back wall in electrical bay • Charging • Automatically connects chassis and coach batteries in parallel to allow charging of both when: • Either battery voltage reaches 13.2 • Relay automatically isolates batteries from each other when voltage drops to: • 12.6 with ignition off • 12.2 with ignition switch on. • Auxiliary Starting • Dash switch used to connect chassis and coach batteries in parallel while switch is held ON • Start engine with dead chassis battery • Start generator with dead coach battery

  9. Freightliner Panel #2 Under Dash Neutral Sense Relay Heater Relay ACC 1 Relay Service Brake Relay Horn Relay IGN Relay Maxi Fuses Cab Bat Sply 2 20 Amp Cab Bat Sply 1 20 Amp Heater Relay Sply 30 Amp Horn Sply 20 Am Brake Pwr Sply 20 Amp Cab Bat Sply 3 20 Amp ACC 1 10 Amp WPR 25 Amp IGN 1 10 Amp ACC 2 10 Amp Brake Lamp Relay IGN 2 10 Amp Freightliner 12 Volt Fuses and Relays VDC Bay Freightliner Panel #1 Under Dash Panel Lamp 10 Amp Marker SW Pwr 15 Amp Dome Lamp 10 Amp Head Lamp 15 Amp Exhaust Brake Relay Air Drain Valve 15 Amp Marker Lamp 30 Amp Tail Lamp 10 Amp Air Dryer 15 Amp Instrument Cluster 10 Amp IGN 3 30 Amp ABS Pwr 2 10 Amp ABS Pwr 1 10 Amp Exhaust Brake Pwr 10 Amp DRL IGN Pwr 10 Amp DRL MOD Pwr 10 Amp Turn Signal 10 Amp Fuel Pump Relay Cummins Engines Only Ignition 2 Relay FL# 23-11276-011 Marker Lamps Relay FL# 23-11276-011 Cruise Disengage Relay ABS ECU Relay FL# 06-39301-000 DRL IGN Relay Air Dryer/Drain Valve Relay Ignition Sense Relay ABS Light Relay Left Headlamp Relay Exhaust Brake Relay Right Headlamp Relay Park Brake Relay

  10. Other 12 Volt Fuses and Relays Bedroom Panel Electric Service Bay Under Dash Cigarette Lighter 10 Amp Pass Seat Heater 7.5 Amp Water Pump 15 Amp2 Left Turn 20 Amp Wipers 30 Amp Thermostat 5 Amp1 Bath fan, lights aft florescent 15 Amp Backup Camera 3 Amp Driver Seat Heater 7.5 Amp LR driver side lights 20 Amp Clearance Lights 20 Amp Condenser Fan 20 Amp Neutral Safety Common 10 Amp Kitchen fan, florescent. 20 Amp Electric4 Awning 15 Amp Appliances 20 Amp Right Turn 20 Amp 15 Amp? Heater Blower 30 Amp BR radio, lights. 20 Amp Poarch, entry, fwd florescent 20 Amp Dash Radio 7.5 Amp Stop Hazard 20 Amp ICC Power 15 Amp Power Visors 7.5 Amp Energy Mgt System3 5 Amp Sat Ant, TV Booster 15 Amp LR passenger side lights 15 Amp LR 12V Outlet 15 Amp Notes: 1. Also 2 Amp fuse in thermostat 2. Changed to 15 Amp for new water pump. Was 10 Amp 3. Also 3 Amp fuse on 50A Smart EMS circuit board 4. Also 10 Amp fuse in awning control box above passenger door

  11. Relay Tyco VF4-15F13 Relay Tyco VF4-15F13 Relay Tyco VF4-15F13 Relay Tyco VF4-15F13 Relay Tyco VF4-15F13 Relay Tyco VF4-15F13 20 Amp Auto Reset CB 15 Amp Auto Reset CB 20 Amp Auto Reset CB 25 Amp Slow Blow Fuse 25 Amp Slow Blow Fuse 20 Amp Slow Blow Fuse Power Gear Fuses and Relays Leveling Jacks Controller – Located Under Dash Near Jack Controls Left Rear Leg 3 Amp Right Rear Leg 3 Amp Dump Valve 3 Amp Front Legs 3 Amp Slide Out Controller – Located in Electric Service Bay Connector Connector Connector Bedroom Slide Out Driver Side Slide Out Pass Side Slide Out

  12. Conclusion • Inverters and Batteries are a good things • Maintain and test your batteries • Keep a supply of spare fuses and bulbs • Get a copy of your wiring diagram • Have the basic tools to troubleshoot problems • Use the corporate knowledge of DOAI members for help

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