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Table of Contents

Introduction

Heater

Warnings

Specifications

Heater

Kit

List

Main Components and Operating Concept

Heater

Mounting

Fuel

System

Electrical

Connections

Operating

Switch

Exhaust & Combustion Air Intake Connections

Heater

Ducting

Heater

Operation

Maintenance

Troubleshooting

Fault

Code

Chart

Heater Components

Summary of Contents for PH41A

Page 1: ...Technical Description Installation Instructions Operating Instructions Troubleshooting PH41A AIR HEATER...

Page 2: ...ist 6 Main Components and Operating Concept 8 Heater Mounting 9 Fuel System 13 Electrical Connections 16 Operating Switch 19 Exhaust Combustion Air Intake Connections 23 Heater Ducting 25 Heater Opera...

Page 3: ...ipment RVs and boats by using on board diesel fuel and battery systems Operation is simple and the heater provides a safe and reliable alternative to engine idling or need for electrical plug ins Plea...

Page 4: ...nner to shield it from anyone making contact with it This heater is not designed for use with straight bio diesel Blends of bio diesel up to 10 are acceptable Operating outside of these conditions may...

Page 5: ...min CFM 2 46 87 2 01 71 1 47 52 0 99 35 Power Consumption watts 40 33 25 12 Power Consumption at Start watts 100 Fuel Type Diesel Nominal Voltage 12 Volt Lower Voltage Limit 9 Volts over 20 seconds Up...

Page 6: ...A T801 Description Operating Switch Mount Bracket Description Heater Mounting Plate Seal Description Wiring Harness 4 5M 15 Power Harness 20A Fuse 4 5M 15 Fuel Pump Harness 6M 20 Switch Harness Descri...

Page 7: ...1 5 2 0 mm ID Small Fuel Line Clamps 9 11 mm x 9mm wide Fuel Filter Cable Ties Medium Grade Black 20cm QTY 1 2 1 2 1 7 6 10 10 6 2 Part Number U65D X502 U65D X701 U65D X707 U65D X706 U65D X702 NPN NPN...

Page 8: ...le The process air blower transfers air from the cabin over the outside of the heat exchanger and blows hot air into the cabin The heater automatically maintains the desired set temperature in the cab...

Page 9: ...side the cabin provided you adhere to the following conditions Combustion air intake exhaust and fuel inlet connections must be on outside of the vehicle Heater must be mounted on flat surface and pro...

Page 10: ...ual components openings should be made For ease of installation fasten the mounting plate to the heater and make exhaust combustion air intake and fuel connections at the base of the heater before mou...

Page 11: ...11 Heater Mounting Figure M3 Combustion air Seal Exhaust Fuel Line Wiring Harness Heater Flange...

Page 12: ...12 Heater Mounting Figure M4 2 1 8 3 x 2 4 x 5 Rectangle...

Page 13: ...onents provided System Layout Considerations Keep the length of the fuel system short as possible Mount the fuel pump as close to the fuel pickup as possible pump pushes better than it sucks Minimize...

Page 14: ...g angle is observed to avoid cavitation Figure F3 Fuel Source Connect directly into the fuel tank using our dedicated fuel pickup tube Figure F4 Teeing into the existing vehicle fuel lines is not reco...

Page 15: ...as shown in Figure F4 Position fuel pick up 4 from bottom of tank for round tanks and 1 for flat tanks cut tube as necessary Fuel Line Connections Route fuel lines from the fuel pick up pipe to the h...

Page 16: ...tch fuel and power harness Connects to the heater s main connector Refer to Main Harness Wiring Legend for details B Power Harness 2 Core 4 5M 15 Long Red Brown Route power harness section from heater...

Page 17: ...7 Grey Switch 8 Open Open end view of main heater harness connector Figure E4 2 3 4 5 6 7 8 1 9 10 11 12 13 14 15 16 Glow Pin ECU Electrical Connections Green Yellow Black Black Black Red Blower Motor...

Page 18: ...ections Figure E5 Operating Switch Wiring Brown Brown Black Red Red White Brown White Red Yellow Grey Blue White Grey Red 1 2 2 3 3 4 4 5 5 6 6 1 4 5 6 1 2 3 6 5 4 3 2 1 Male Viewed from wire side of...

Page 19: ...e cabin temperature set operating mode monitor heater operations and access diagnostic information Operation Buttons Display Icons Temperature Setting Battery Fuel Level Flame Glow Pin Blower Motor Al...

Page 20: ...ion process starts switching off heater will initiate a 4 minute cool down period ON Off Control Press and hold the Operating Switch for 3 seconds to turn the heater either ON or OFF Note Once combust...

Page 21: ...witch Output level range is 1 1 2 0 0 1 intervals Automatic Mode Adjust target temperature by rotating switch Target temperatures range is 10 C to 35 C 1 intervals Self Diagnostics If ECU detects a pr...

Page 22: ...on the screen release the Start Stop button The heater will now enter into a Fuel Priming mode It will rapidly pulse 500 times then attempt a start up If the system is sufficiently primed before this...

Page 23: ...w point if proper incline cannot be maintained Route the exhaust pipe from the heater using p clamps provided Route away from the vehicle slip stream Combustion Air Intake Considerations The combustio...

Page 24: ...24 Exhaust Combustion Air Intake Connections 25mm Combustion Air Intake Min 0 4M 8 Max 1 0M 39 24mm Exhaust Min 0 4M 8 Max 2 0M 78 Figure A1 Figure A2 Direction of travel...

Page 25: ...come in contact with combustible materials Install protective covers or shields as required Position hot air outlet so that it cannot be blocked or otherwise obstructed it should not point directly to...

Page 26: ...n the glow pin remains on and the fuel air mixture is slowly increased The flame sensor monitors the increasing temperature at the heat exchanger Typically 2 minutes 5 Running Phase Once the flame is...

Page 27: ...hamber and cool down the heat exchanger The cool down cycle will last approximately 4 minutes Safety Systems The heater is equipped with several control features to protect itself and the operator Sys...

Page 28: ...d is continuously monitored If the fan motor does not start or if the speed deviates by more than 40 the heater will turn OFF after 60 seconds Emergency Shut Down In event of an emergency shut down th...

Page 29: ...tions and scratches or buildup on the heating element Wipe the glow pin clean with a soft cloth only do not use anything abrasive to clean the glow pin If the glow pin shows any signs of wear or damag...

Page 30: ...for further direction No Error Codes Detected If the heater does not attempt start and there is not an error code on the operating switch follow these procedures in order shown 1 Ensure that the ambi...

Page 31: ...aust Source of Ignition The heater uses a glow pin as a source of ignition Normally when this fails it will create an open or short circuit and yield error code E09 or E12 However in some cases the gl...

Page 32: ...sary E07 Fuel Pump Open Short Circuit Check fuel pump wiring connections resistance across fuel pump terminals and main harness pins 10 11 Should be 7 5 8 5 Repair wiring or replace fuel pump as requi...

Page 33: ...33 Heater Components 1 2 3 4 5 6 7 8...

Page 34: ...or P65A X104 5 Glow Pin Screen Includes Insert Tool E65A X102 6 Glow Pin Includes Split Socket P65A T102 7 Burner with gasket E40A X103E 8 Burner Gasket E40A X102 9 Maintenance Kit Includes 2 Blower G...

Page 35: ...35...

Page 36: ...DKSI com help dksi com 877 508 3900 PHP 072022 TM41A REV5 Vancouver Toronto Dallas...

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