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Proheat x45 Installation And Service

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INSTALLATION
AND SERVICE
MODEL X45

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  • Page 1 INSTALLATION AND SERVICE MODEL X45...

  • Page 3: Table Of Contents

    Power Connection to Batteries..........3-14 Timer Connections..............3-15 On/Off Switch ..............3-16 Sleeper Heater Wiring Details ..........3-17 Option A – OEM Heater & PROHEAT Thermostat....3-17 Option B – OEM Heater & Thermostat ........3-18 Option C – Auxiliary Sleeper Heater ........3-19 Option D – Relay Sleeper Heater..........3-20 FUEL SYSTEM ................3-21...
  • Page 4 Clean Heater Enclosure............6-1 Heat Exchanger ..............6-2 Exhaust System ..............6-2 Electrical System..............6-3 Clean Air intake ..............6-3 Fuel System .................6-4 Vehicle Batteries ..............6-4 Operation Test ..............6-5 PCM: Pin-out Details .............6-5 Proheat Wiring Diagram............6-6 7. WARRANTY ................7-1 8. APPENDICES Service Bulletin #951528.........8-3 #967329.........8-5 SB0003...........8-7...

  • Page 5: Introduction

    (school, transit and coach), construction heat for the interior. equipment, off road equipment, military equipment (4) Cargo Heat – PROHEAT can be used to provide and cargo. heat to protect valuable cargo such as produce or beverages from damage due to freezing.

  • Page 7: Operating Your Proheat Heater

    ELECTRICAL CONNECTIONS. (See Troubleshooting & Repair, Section 5) NOTE: The PROHEAT may be operated if the engine is running or not running. 2. When engine preheat is no longer required, switch the PROHEAT heater “OFF.”...

  • Page 9: Technical Specifications

    L inches (318 x 280 x 521 mm) Weight, Heater only: X45...40 lbs. (18 kg) Weight, with Enclosure: X45...55 lbs. (25 kg) Operating Temperature Range:..-40˚ to 122˚F (- 40˚ to 50˚C) Heat Exchanger Capacity:....1 quart U.S. (0.97 litre) 10 1/8"...

  • Page 10: Heater Dimensions

    Figure 2-2 Heater Dimensions X45 PROHEAT INSTALLATION & SERVICE...

  • Page 11: Installation

    PROHEAT Dealer regarding your specific application. Prior to the installation of your PROHEAT, consult your engine owner’s manual or engine manufacturer for any restrictions or changes that may apply to plumbing into the engine coolant system.

  • Page 12: Locating The Heater

    You Choose • On either side of the frame rails (2). • In an existing enclosure on the vehicle (step or toolbox) (3). Caution Do not weld PROHEAT heater mounting brackets to the vehicle frame. If repairs to the vehicle require welding, disconnect the PROHEAT power cable at the PCM.
  • Page 13 HIGHEST POINT PROHEAT ENGINE OR RADIATOR Figure 3-4 Height Requirement Mounting the PROHEAT heater in an enclosure Do not locate the heater in an airtight enclosure. If the heater is to be mounted in an enclosure other than the PROHEAT enclosure, adequate air flow must be provided to ensure proper combustion.

  • Page 14: Mounting The Heater

    CENTERLINE OF ENCLOSURE 12" (306 mm) 5 3/4" (146 mm) 8 13/16" (223 mm) 3/4" (20 mm) MOUNTING HOLES (4 REQUIRED) 5" (127 mm) 16 11/16" (427 mm) 1 5/8" (45 mm) Figure 3-8 X45 Enclosure Base Dimensions PROHEAT INSTALLATION & SERVICE...
  • Page 15 4 X .38" (10MM) 1.0" (25 mm) MOUNTING HOLES 3" (76 mm) Dia. 5" (127 mm) 5.5" (140 mm) 6.4" (163mm) 5" (127 mm) 2.02" 7.5" (191 mm) (51 mm) Figure 3-9 X45 Mounting Plate Dimensions & Exhaust Hole INSTALLATION...

  • Page 16: Exhaust Pipe Connection

    Exhaust gases must not enter the vehicle interior. Direct exhaust pipe away from vehicle. Use formed elbows. Do not use welded 90˚ elbows. EXHAUST CLAMP U BOLT (APPLY ANTI-SEIZE COMPOUND TO THREADS) Figure 3-10 Exhaust Pipe PROHEAT INSTALLATION & SERVICE...

  • Page 17: Plumbing The System

    NOTE: When the engine block is preheated you will have nearly instant heat from the dash heat exchanger. OPTION B: Engine and sleeper heat. The PROHEAT heats the engine block and the sleeper. NOTE: Plumbing the PROHEAT through the dash fan is not recommended. INSTALLATION...

  • Page 18: Option A - Engine Heat Or Supplemental Heat

    Figure 3-12 Engine Heat or Supplemental Heat NOTE: On coolant systems where the return from the PROHEAT is plumbed to the bottom of the main coolant supply line from the radiator to engine pump, the return line must be moved to avoid loss of heat through the radiator.
  • Page 19 (NORMALLY CLOSED) position. Western Star RETURN TO ENGINE NOTE: The PROHEAT PCM sleeper fan circuit has a one minute delay during ignition. Power to open a sleeper fan coolant valve must be taken from another source such SUPPLY TO PROHEAT ENGINE as the wire for the hour meter.
  • Page 21 Engine Connection Details CATERPILLAR 3116 ..................3-i 3176 ..................3-i 3306 ..................3-ii 3406 ..................3-ii 3408 ..................3-iii CUMMINS “B” Series .................3-iv “C” Series ..................3-v KTA1150..................3-v L103-vi NT, BIG CAM II ................3-vi NT, BIG CAM IV, N14 ..............3-vii DETROIT DIESEL SERIES 60 ................3-viii 6V92, 8V92 ................3-viii MACK E6 + E7..................3-ix ENGINE CONNECTION DETAILS...

  • Page 23: Engine Connection Details

    1/2"NPT 3/4" – 16 UNF THREAD .44" #8 SAE TUBE FITTING NOTE: The Caterpillar #3116 requires this fitting to connect the PROHEAT supply and return lines to the engine ports. RETURN FROM PROHEAT Caterpillar #3116 SUPPLY TO PROHEAT RETURN FROM...

  • Page 24: 3306

    CATERPILLAR SUPPLY TO PROHEAT RETURN FROM PROHEAT Caterpillar #3306 RETURN FROM PROHEAT SUPPLY TO PROHEAT Caterpillar #3406 3-ii PROHEAT INSTALLATION & SERVICE...

  • Page 25: 3408

    CATERPILLAR SUPPLY TO PROHEAT RETURN FROM PROHEAT Caterpillar #3408 ENGINE CONNECTION DETAILS 3-iii...

  • Page 26: Cummins #B Series

    CUMMINS SUPPLY TO PROHEAT LEFT SIDE RETURN FROM PROHEAT RIGHT SIDE Cummins #B SERIES 3-iv PROHEAT INSTALLATION & SERVICE...

  • Page 27: C" Series

    CUMMINS SUPPLY TO PROHEAT RETURN FROM PROHEAT Cummins #C SERIES SUPPLY TO PROHEAT RETURN FROM PROHEAT Cummins #KTA1150 ENGINE CONNECTION DETAILS...
  • Page 28 CUMMINS SUPPLY TO PROHEAT RETURN FROM PROHEAT Cummins #L10 RETURN FROM PROHEAT SUPPLY TO PROHEAT Cummins #NT, BIG CAM II 3-vi PROHEAT INSTALLATION & SERVICE...
  • Page 29 CUMMINS RETURN FROM PROHEAT SUPPLY TO PROHEAT Cummins #NT, BIG CAM IV, N14 ENGINE CONNECTION DETAILS 3-vii...
  • Page 30 DETROIT DIESEL RETURN FROM PROHEAT SUPPLY TO PROHEAT Detroit Diesel Series 60 RETURN FROM PROHEAT SUPPLY TO PROHEAT Detroit Diesel #6V92, 8V92 3-viii PROHEAT INSTALLATION & SERVICE...
  • Page 31 SUPPLY TO PROHEAT (LOCATED BEHIND THE COOLANT CONTAINER) Mack #E6 & #E7 NOTE: It will be necessary to move the supply line for PROHEAT toward the back of the engine on the coolant manifold to ensure full engine heating. ENGINE CONNECTION DETAILS...

  • Page 33: Wiring & Electrical Connections

    Wiring & Electrical Connections GENERAL CONSIDERATIONS • Prior to installation of the PROHEAT Heater system, ensure that the vehicle batteries are in good condition. • Do not kink or abrade wires when routing them through the vehicle during installation. • Ensure wires are well supported and secured with tie-wraps.

  • Page 34: Power Connection To Batteries

    Systems providing heat to both 3. Leave power harness disconnected. (See Figure 3-18) engine and sleeper require four (4) Do not install until PROHEAT coolant pump system has been purged of batteries. air. (See First Time Startup, page 3-25) NOTE: When power is connected to the PCM, the “ON” light on the PCM function display panel will light for one second and then go out.

  • Page 35: Timer Connections

    Timer Connections TIMER Caution The switch input circuit should only be used to supply power to the ON/OFF Switch, the Timer, or as a signal to trip a relay. Failure to follow this installation practice will result in damage to the PCM. NOTE: The PCM must be reset (power disconnected and reconnected)

  • Page 36: On/Off Switch

    NOTE: Many dash panels have switches which are not utilized. It may be The switch input circuit should only convenient to remove one and replace it with the PROHEAT switch. be used to supply power to the ON/OFF Switch, the Timer, or as a 2.

  • Page 37: Sleeper Heater Wiring Details

    Sleeper Heater Wiring Details These installation options allow the operator to: 1. Run the PROHEAT with the ignition key in the “OFF” position. 2. Return full control to the OEM system in normal operation mode. You Choose Select one of the following wiring options...
  • Page 38 NOTE: The constant power supply wire must be of sufficient size to handle sleeper fan motor electrical current draw. 5. Route sleeper fan harness from PCM to PROHEAT thermostat. Cut to length. Connect white wire to terminal 1 of the thermostat.
  • Page 39 2. Locate the auxiliary heater in a suitable area of the vehicle. Install plumbing and air duct connections as per the manufacturer’s recommendations. 3. Locate the PROHEAT thermostat in a central area of the sleeper, approximately 12" above the bunk. Avoid direct air flow from sleeper fan ducts. (Figure 3-24) 4.
  • Page 40 4. Remove the adjusting knob and face cover. Mark and drill mounting holes. Mount thermostat using the screws provided. (Figure 3-26) 5. Route sleeper fan harness from PCM to PROHEAT thermostat. Cut to length. Connect white wire to terminal 1 of the thermostat. Use fork terminal provided.

  • Page 41: Fuel System

    Fuel System GENERAL CONSIDERATIONS Caution •Use ⁄ " ID fuel line between the fuel tank and heater Do not use fuel lines and pick-up meeting SAE 30R7 (supplied with kit) tubes less than " ID or greater than " ID. Failure to use the •Ensure fuel lines are well secured and will not abrade.

  • Page 42: Option A

    FUEL PICK-UP EXISTING PORT IN FUEL TANK 1/4" NPT FUEL TANK Figure 3-30 ⁄ " NPT Port FUEL PICK-UP EXISTING PORT 1/2" NPT IN FUEL TANK FUEL TANK Figure 3-31 ⁄ " NPT Port 3-22 PROHEAT INSTALLATION & SERVICE...
  • Page 43 OPTION B: Locate an existing, blank fuel sender port in the vehicle fuel tank. Remove the cover plate, drill a 1" diameter hole and install the fuel pick-up as shown. WASHER GASKET COVER PLATE SUPPLIED WITH FUEL TANK (REQUIRES MODIFICATION) GASKET WASHER FUEL SENDER PORT IN TANK...

  • Page 44: Installation

    4. Attach the fuel line to the heater fuel pump fitting and the fuel pick-up with hose clamps. Lubricating the fittings with fuel may ease the installation effort. GROMMET HOSE CLAMP FUEL TANK FUEL LINE FUEL HOSE CLAMP FUEL PICK-UP FUEL LINE Figure 3-36 Fuel Line Connection Detail 3-24 PROHEAT INSTALLATION & SERVICE...

  • Page 45: First Time Startup

    6. Connect the power harness. The “ON” light on the PCM function display will light for one second and then go out. 7. Start the PROHEAT heater using the ON/OFF switch. The indicator lamp should be lit with a solid red light. Go to the heater and observe its operation.
  • Page 46 (65˚C) at heater outlet, as long as the ON/OFF switch is left “ON.” 10. If the vehicle has been equipped with the sleeper heat option then: a) Adjust the PROHEAT sleeper thermostat to highest heat position. b) The sleeper heat exchanger fan will start blowing warm air.

  • Page 47: Principles Of Operation

    PRINCIPLE OF OPERATION GENERAL DESCRIPTION Figure 4-1 1. Fuel Pump A gear pump driven from the same motor as the compressor pulls fuel from the tank. The fuel is filtered at the fuel pump inlet. The gear pump will develop a maximum pressure of 10 PSI on the outlet side of the pump. 2.
  • Page 48 3 Amps. This is done to control the total current draw on the vehicles batteries. NOTE: The PROHEAT PCM “Sleeper Fan” circuit has a one minute delay during ignition. Power to open a sleeper fan coolant valve must be taken from another source such as the wire for the hour meter.
  • Page 49 Figure 4-3 7. Nozzle An air/fuel aspirating type spray nozzle (located inside housing). The compressed air flows through the nozzle at high speed creating a venturi effect. This siphons fuel from the regulator and combines it with the air, creating an extremely fine mist which is sprayed out of the nozzle into the combustion chamber.
  • Page 50 LEDs on the PCM diagnostic display will be lit. (See page 4-6 for details) Indicator Light Located in the Toggle Figure 4-4 ON/OFF Switch INDICATOR LIGHT (RED) MANUAL BUTTON TIMER SET BUTTON CLOCK TIMER ID LIGHT (GREEN) Figure 4-5 7 Day Timer PROHEAT INSTALLATION & SERVICE...

  • Page 51: Normal Operating Sequence

    “sees” a flame, the PROHEAT goes to “Full Output.” 4. Full Output The PROHEAT runs at Full Output until the coolant temperature reaches 185˚F (85˚C) at the heater outlet. At this time, the PROHEAT shuts the flame off and goes to “Purge.” 5. Purge The air compressor and fuel pump shut off immediately.

  • Page 52: Function Diagnostics

    Function and The microprocessor in the PCM continually monitors all the PROHEAT systems. If the internal diagnostics discover a problem, a diagnostic code Component Diagnostics will be displayed on the PCM function display. The remote ON/OFF Switch or Timer red “ON” light will also flash the diagnostic code followed by a pause and then repeated, the number of flashes correspond to the numbered diagnostic code eg.

  • Page 53: Operational Problems

    • 12 failure. Component problems can also cause Function diagnostic codes. • 13 NOTE: A SLEEPER FAN error (13) will not shut the PROHEAT down and heat to the engine will be maintained. Components: This section includes the electrode gap, fuse, nozzle and fuel regulator.
  • Page 54 Is a blower error displayed? (page 5-19) b) The blower operation – is it turning? – is it turning slowly? c) For restrictions at the fan inlet port and in the exhaust system. d) For carbon build up in the combustion chamber. PROHEAT INSTALLATION & SERVICE...

  • Page 55: Flame Out

    Check: Fuel System a) Is fuel level low? b) Air leaking into fuel system? Symptom: No visible flame No spark The heater shuts down after the 60 second ignition period. Check: Ignition System a) Check for a poor electrical connection between the ignition coil and the high tension lead.

  • Page 56: Coolant Flow

    ⁄ " NPT or larger. Avoid using 90˚ fittings where possible. d) Coolant Flow Direction: The PROHEAT must be plumbed so that the coolant pump is pumping the coolant in the same direction as the engine coolant pump. The PROHEAT can be used when the engine is running.

  • Page 57: Overheat

    4 Overheat An OVERHEAT diagnostic code is displayed when the overheat breaker has • tripped, shutting the heater down. This occurs if the heater has been started with little or no coolant in the heat exchanger. Check: Coolant Flow a) Is there coolant in the system? b) Determine if there is a blockage or air in the plumbing.

  • Page 58: Voltage

    3) Check current draw on the black NEGATIVE wire with the heater NOT running and the red POSITIVE wire disconnected. Should read 0 mA. This test is to confirm whether or not there is a power leakage from the vehicle through the heater. PROHEAT INSTALLATION & SERVICE...
  • Page 59 The negative lead of the multimeter should be attached to the heater chassis at the PROHEAT ground boss. (Figure 5-7) c) Read the voltage with the heater running or trying to run.

  • Page 60: Component Diagnostics

    START or a FLAME OUT diagnostic code to display. Check: Flame Sensor a) Inspect the flame sensor wiring for a short circuit. b) Inspect the flame sensor lens for cleanliness. c) Test the flame sensor. (See following page) PROHEAT INSTALLATION & SERVICE...
  • Page 61 Flame Sensor Test Procedure Start Unit Start Unit Is there a Flame Stop Unit Stop Unit Sensor Code? Disconnect Disconnect Sensor/Start Unit Sensor/Start Unit Is there Check Flame Quality Check Flame Quality a Flame? Is there Replace Replace a Flame Sensor Sensor Sensor Code?

  • Page 62: Temperature Sensor

    • in a freezer • in boiling water. c) Compare the measured values against the graph (Figure 5-5). If values do not approximately match, then the sensor is defective and must be replaced. Figure 5-4 Temperature Sensor Test 5-10 PROHEAT INSTALLATION & SERVICE...
  • Page 63 Temperature Temperature Centigrade Farenheit 150˚ 290˚ 140˚ 2023 130˚ C (266˚ F) OUT OF RANGE (UPPER LIMIT) 130˚ 260˚ 120˚ 110˚ 230˚ 100˚ 200˚ 90˚ 1541 85˚ C (185˚ F) UPPER SET POINT 80˚ 170˚ 70˚ 1354 65˚ C (150˚ F) LOWER SET POINT 60˚...

  • Page 64: Fuel Pump

    8 Fuel Pump The X45 fuel gear pump is driven by the same motor as the compressor. • Therefore, there is NO fuel pump electrical diagnostic code. A FUEL PUMP diagnostic code would indicate a fault in the PCM only.

  • Page 65: Compressor

    Check: Air Compressor wiring & function a) That compressor is connected to harness correctly. (See PROHEAT Wiring Diagram page 6-6) b) The connector pins for damage or corrosion. c) Harness for pinched or abraded wires. d) Test compressor. If it tests OK replace PCM.
  • Page 66 Symptom: Air Compressor running (NO CODE indicated) No or low air flow Check: Air flow using the PROHEAT pressure gauge (PK0060) or equivalent. Ensure that the gauge is accurate (0-15 psi). Procedure: install the pressure gauge as shown in Figure 5-8 Pressure Reading for X45: 6.5 psi @ 12/24 Volts.

  • Page 67: Ignition Coil

    This component is ground side switched in the PCM. WARNING Symptom: No spark at the electrode (code indicated) The PROHEAT chassis is Check: Coil wiring grounded from the PCM as a) Inspect the wiring harness to ensure the ring terminals are shown in Figure 5-12.
  • Page 68 “open circuit” or 0 ohms (short circuit) then replace the ignition coil. NOTE: Remove positive and negative wires from the coil when testing. Figure 5-11 Ignition Coil Test GROUND WIRE FROM PCM CHASSIS GROUND BOSS Figure 5-12 PROHEAT Ground Boss 5-16 PROHEAT INSTALLATION & SERVICE...

  • Page 69: Coolant Pump

    Check: Coolant Pump wiring & function a) That coolant pump is connected to harness correctly. (See PROHEAT Wiring Diagram page 6-6) b) The connector pins for damage or corrosion. c) Harness for pinched or abraded wires. d) Test pump. If it tests OK replace PCM.
  • Page 70 Measure coolant pump current. Use test lead part #967921 as described on Service Bulletin #967329 in Appendix. Figure 5-13 Coolant Pump Test MODEL CURRENT DRAW (Amps) X45-12 1.50 - 4.00 @ 12 Volts X45-24 0.75 - 2.00 @ 24 Volts 5-18 PROHEAT INSTALLATION & SERVICE...

  • Page 71: Blower

    That blower is connected to harness correctly. checked for carbon build up and (See PROHEAT Wiring Diagram page 6-6) cleaned as necessary. b) The connector pins for damage or corrosion. c) Harness for pinched or abraded wires.
  • Page 72 Measure blower current. Use test lead part #967921 as described on Service Bulletin #967329 in Appendix. Figure 5-14 Blower Test MODEL CURRENT DRAW (Amps) X45-12 .75 - 1.5 @ 12 Volts X45-24 .5 - 1.0 @ 24 Volts 5-20 PROHEAT INSTALLATION & SERVICE...

  • Page 73: Sleeper Fan

    PROHEAT is supplying enough power to drive the sleeper fan. Test Procedure: a) Disconnect sleeper fan harness. b) Restart the PROHEAT, If there is still an error, replace the PCM. c) Check for correct voltage at the sleeper fan output on the PCM. (See Figure 6-7) d) Reconnect sleeper fan harness.

  • Page 74: Components

    The electrode gap is factory set and should not require adjustment. ELECTRODE COMBUSTOR TUBE 1/4" - 9/32" Figure 5-15 Electrode Gap Detail NOTE: Ensure that the electrode is not bent during servicing. To readjust the electrode, bend it to the correct setting. 5-22 PROHEAT INSTALLATION & SERVICE...

  • Page 75: Fuse

    HARNESS TO COMPONENTS COIL BLOWER COMPRESSOR 3 2 1 COOLANT PUMP Figure 5-16 Internal Wire Harness Test The following page describes the test procedure for a blown fuse with power connected and the PROHEAT switched “OFF.” TROUBLESHOOTING & REPAIR 5-23...
  • Page 76 Blow? Does Fuse Check Switch Harness Blow? and Connections for Short Circuit Replace Internal Harness OK Wire Harness Reconnect Components One at a time Does Fuse Blow? Component OK Check Component as per Troubleshooting Guide 5-24 PROHEAT INSTALLATION & SERVICE...

  • Page 77: Nozzle

    Nozzle The nozzle (and the compressor) regulate the fuel air mixture. A set orifice size allows a certain amount of fuel and air to flow through the distributor. (See Figure 5-17) Problems in the nozzle can cause poor burning. This will be indicated by a START or FLAME OUT diagnostic code on the PCM function display.

  • Page 78: Fuel Regulator

    Should a fuel regulator fail, the combustion chamber must be checked for carbon build up and cleaned as necessary. FUEL REGULATOR VENT HOLE BLUNT PIN TO DEPRESS DIAPHRAGM UNDER VENT HOLE Figure 5-19 Fuel Regulator Test 5-26 PROHEAT INSTALLATION & SERVICE...

  • Page 79: Fuel System

    Is there fuel in the tank? Step 2 Start the PROHEAT. The heater will try to start twice. Wait until it has gone through two cycles (approx. 10 minutes). The PROHEAT diagnostic system will tell you what it thinks is wrong.
  • Page 80 Eliminating Fuel Pump and Regulator from system. Step 7 Is the Fuel Nozzle contaminated? (See Nozzle page 5-25) • Clean the nozzle with a cleaner/degreaser, which will wash contamination out the back end of the nozzle. 5-28 PROHEAT INSTALLATION & SERVICE...

  • Page 81: Operational Problems

    These symptoms are usually an indication of an extremely rich air/fuel mixture. Smelly exhaust fumes Check: a) Is the PROHEAT connected to the correct voltage? (page 5-6) b) Is the blower functioning? Is the air inlet restricted? c) Is the compressor functioning? (page 5-13)

  • Page 82: Maintenance

    Read this section of the manual carefully. Always return to your Authorized PROHEAT Dealer for major maintenance. Your PROHEAT Dealer has the specialized equipment necessary to keep your PROHEAT in new condition.

  • Page 83: Heat Exchanger

    Check the exhaust system carefully. Make sure the exhaust pipe is vented safely away from the vehicle cab. Check the pipe for dents, restrictions or severely corroded areas. Replace the exhaust pipe and clamps if necessary. Ensure the exhaust pipe clamp is tight. PROHEAT INSTALLATION & SERVICE...

  • Page 84: Electrical System

    Electrical System Check the internal and the external wire harnesses for damage. Replace if required. Figure 6-3 Wire Harnesses Clean Air Intake Check the combustion air inlet screen for restrictions. Clean as required. AIR INLET SCREEN Figure 6-4 Air Intake MAINTENANCE...

  • Page 85: Fuel System

    The heater will not function properly with weak batteries or corroded connections. If you are unsure of their condition, load test each battery separately and replace as required. Clean terminals to remove all corrosion. Figure 6-6 Test Battery PROHEAT INSTALLATION & SERVICE...

  • Page 86: Operation Test

    Operation Test Run the system for at least 15 minutes or until the heater cycles “OFF” and then “ON” again. Alternate the thermostat for the sleeper heater (if connected) between the lowest and highest settings to ensure that the sleeper heater fan cycles “ON” and “OFF.” SLEEPER FAN POWER +12V/+24V (3 AMP LIMIT) GROUND (-)

  • Page 87: Proheat Wiring Diagram

    Figure 6-8 PROHEAT Wiring Diagram PROHEAT INSTALLATION & SERVICE...

  • Page 88: Warranty

    Replacement parts are covered for the remainder of the heater’s warranty or ninety (90) days, which ever is greater. This warranty does not apply to damage or failure of the PROHEAT Heater or the vehicle into which it was installed due to improper installation, assembly, maintenance, abuse, neglect, accident, or the use of parts not supplied by Teleflex.

  • Page 90: Appendices

    APPENDICES Contents COOLANT FLOW INDICATOR ............951528 TEST LEADS................967329 GROUND SIDE BATTERY DISCONNECT ........SB0003...
  • Page 91 PROHEAT INSTALLATION & SERVICE...

  • Page 92: Service Bulletin #951528

    Tel: (604) 270-6899 © 1993 Reproduction in any form electronic, print, or otherwise is 3831 No.6 Road Fax: (604) 270-0137 ® ® encouraged providing the PROHEAT Richmond, B.C. Web: www.proheat.com logo (watermark) is visible on the energy solutions Canada Email: proheat@proheat.com ®...
  • Page 93 PROHEAT INSTALLATION & SERVICE...
  • Page 94 Service Bulletin NO. 967329 May 1994 Description: The PROHEAT wiring system uses sealed connectors for resistance USE SPADE CONNECTORS TO TEST VOLTAGE, RESISTANCE to corrosion and greater reliability. OR CONTINUITY The following test leads are required for troubleshooting. BLACK Parts:...
  • Page 95 PROHEAT INSTALLATION & SERVICE...
  • Page 96 2. If the fuel pump does not operate, ground the body of the fuel pump directly to the battery negative post using a wire. Restart the Proheat. If the fuel pump runs and the Proheat starts then the problem is in the ground wire.

  • Page 97: Sb0003

    Tel: (604) 270-6899 © 1995 Reproduction in any form electronic, print, or otherwise is 3831 No.6 Road Fax: (604) 270-0137 ® ® encouraged providing the PROHEAT Richmond, B.C. Web: www.proheat.com logo (watermark) is visible on the energy solutions Canada Email: proheat@proheat.com ®...
  • Page 98 Proheat Serial Number: Installation Date: Dealer: ® ® energy solutions ® A Division of Teleflex Incorporated Teleflex (Canada) Ltd. 3831 No.6 Road Richmond, B.C. Canada V6V 1P6 Tel: (604) 270-6899 Fax: (604) 270-0137 Designed and Manufactured in North America Toll Free: 1-800-667-HEAT(4328) www.proheat.com...

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