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20

Operating Switch

The PH52W is provided with a multifunctional controller. It is capable of manual and timer controlled

switching of the heater and conveys heater operational parameters and diagnostics.

Refer to the Operating Switch Instructions for operational details.

Operating Switch

Mount Operating Switch in a suitable location using the keyed mounting holes or two sided tape provided.

Route the switch harness from the heater to the Operating Switch.

Cut the harness to length, attached terminals and connector.

Connect harness to Operating Switch.

*Figure E2

*Figure E3

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Summary of Contents for PH52W

Page 1: ...PH52W ENGINE HEATER Technical Description Installation Instructions Operating Instructions Troubleshooting and Parts...

Page 2: ......

Page 3: ...5 Heater Kit List 6 Main Components and Operating Concept 8 Heater Mounting 9 Exhaust Combustion Air Intake Connections 11 Heater Plumbing 13 Fuel System 15 Electrical Connections 18 Operating Switch...

Page 4: ...g on board diesel fuel and battery systems Operation is simple and the heater provides a safe and reliable alternative to cold engine starting or need for electrical plug ins Please take a moment to f...

Page 5: ...of water and antifreeze to prevent coolant from Freezing Ensure that the coolant flow can never be blocked while heater is in operation Blocking coolant flow can result in extreme pressure bursting ho...

Page 6: ...sumption WATT 135 Min Coolant Through put L hr US Gal hr 250 66 Fuel Type Diesel Nominal Voltage 12 Volt Lower Voltage Limit 10 5 21 0 Volts over 20 seconds Upper Voltage Limit 16 0 32 0 Volt over 20...

Page 7: ...vary for Boxed Version Kit list is based on Universal Kit Version Description Operating Switch 2 Sided Mounting Tape Description Mounting Bracket Description Wiring Harness 5M 16 Power Harness 20A Fus...

Page 8: ...Large Hex Nut Brass Hex Nut Brass Securing Body Fuel Metering Pump Fuel Pump Holder Black Rubber Fuel Line 0 3M 12 7mm ID 5mm x 50mm Fuel Line Connectors Z Mounting Bracket Clear Plastic Fuel Line 5M...

Page 9: ...The flame is contained in a flame tube and exhaust gases expelled The heater s coolant pump takes cold coolant from the engine circulates it through the heater s water jacket then it pumps hot coolant...

Page 10: ...o maximize flow and minimize heat loss Keep power wiring short to minimize voltage drop Keep fuel lines short to ensure good combustion Suggested Locations Step box External storage compartments Not i...

Page 11: ...hielding as required to protect the heater from environmental conditions Orientate the heater within permissible mounting configurations shown in Figure M1 Do not mount the heater inside passenger com...

Page 12: ...ust fumes cannot be sucked into combustion air intake Install exhaust pipe with incline for moisture run off Drill a small drain hole at low point if proper incline cannot be maintained Route the exha...

Page 13: ...from any heat sensitive material Route exhaust beyond the skirt of the cab and outside of the frame area Failure to comply with this warning could result in Carbon Monoxide Poisoning Combustion Air In...

Page 14: ...eve a safe and quality installation It is important to try to optimize the coolant flow to get the best heat distribution and heater operation Installation Procedure Plan the heater plumbing circuit I...

Page 15: ...incorporated into the system However ensure that the heater flow can never be completely blocked by a flow control valve Do not work on the plumbing system when it is hot or under pressure Do not work...

Page 16: ...m 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 vertical rise Mount t...

Page 17: ...rectly into the fuel tank using our dedicated fuel pickup tube Teeing into the existing vehicle fuel lines is not recommended There are three common methods to install a fuel pickup tube Use NPT compr...

Page 18: ...ition pick up pipe 4 from bottom of tank 1 for flat tanks Fuel Line Connections Route fuel lines from the fuel pick up pipe to the heater Use only fuel lines provided Other sizes or types of fuel line...

Page 19: ...assage or drill holes as required Seal the hole around the cables and make sure they are protected from chaffing and pinching Cut each harness section to length and install terminals and connectors as...

Page 20: ...ion from heater to switch location Cut harness to length and attach wiring terminals Install terminals into connector so they match the wire colours from the operating switch Yellow is a spare wire At...

Page 21: ...s and diagnostics Refer to the Operating Switch Instructions for operational details Operating Switch Mount Operating Switch in a suitable location using the keyed mounting holes or two sided tape pro...

Page 22: ...and timed startup functions It also facilitates troubleshooting by ing diagnostic codes tion Buttons and Display Icons amming Keys On Off Select Operation Status Switch Modes Display Icons 1 Heating...

Page 23: ...ch Modes Display Icons 1 Heating Mode Flashes in standby mode 2 Heater On 3 Heater Off 4 Degrees Celsius 5 Water Temp Mode 6 Automatic Climate Mode 7 Indicates Run Time 8 Indicates Error 65 C WaterTem...

Page 24: ...perature A C Mode Flame Sensor Temperature ie 086 Shutdown Controls How Long Heater Will Run When Turned On Manually e timed shutdown first select the Timed Shut atus mode See Operating Status s 2 00...

Page 25: ...1 On Off Select 2 Operation Status 3 Switch Modes Display Icons 1 Heating Mode Flashes in standby mode 2 Heater On 3 Heater Off 4 Degrees Celsius 5 Water Temp Mode 6 Automatic Climate Mode 7 Indicates...

Page 26: ...splay Icons Programming Keys 1 On Off Select 2 Operation Status 3 Switch Modes Display Ic 1 2 3 4 5 6 65 Wa On Of PHP Water Heater Control Switch Operation Instructions Overview The PHP Control Switch...

Page 27: ...If unsuccessful the heater will shut down completely Note On initial start up the heater may require several start attempts to self prime the fuel system Tech Tip Heater has a Priming function See Ope...

Page 28: ...n ECU conducts circuit check on start up Heater will shut down after two consecutive unsuccessful 90 second attempts Heater automatically attempts to restart upon flame out Heater will shut down in ca...

Page 29: ...heck for damage inside blower 9 Flame Extinguished Check fuel flow Check combustion air flow 10 Failed Ignition Check Voltage Supply Check fuel flow 11 Over Temperature Check coolant flow Check water...

Page 30: ...er The PH52W is equipped with self diagnostic capabilities In the event of failure an error code will be displayed on the operating switch Refer to the Fault Code Diagnostic Chart for direction In add...

Page 31: ...onal part listing Item Description Part Number 1 Heat Exchanger P52W X101 2 Burner Flame Tube P52W X102 3 Combustion Blower Integrated ECU P52W T101 4 Flame Sensor P52W X103 5 Glow Pin P52W T102 6 Tem...

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Page 36: ...www DKSI com help dksi com 877 508 3900 Unit B 1465 Kebet Way Port Coquitlam British Columbia Canada V3C 6L3 PHP 012022 TM52W REV7...

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