PHP PHP-20A Manuale utente
®
Technical Description
Installation Instructions
Operating Instructions
Troubleshooting
PHP-20A AIR HEATER
2
Table of Contents
Introduction 3
Heater Warnings 4
Specications 5
Heater Kit List 6
Main Components and Operating Concept 8
Heater Mounting 9
Fuel System 13
Electrical Connections 16
Operating Switch 18
Exhaust & Combustion Air Intake Connections 25
Heater Ducting 27
Heater Operation 28
Maintenance 31
Troubleshooting 32
Fault Code Chart 34
3
Introduction
Thank you for purchasing our PHP-20A heater kit.
The PHP-20A heater is designed to provide cabin heating for trucks, o-highway equipment,
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.
Please take a moment to familiarize yourself with this manual, safety warnings and heater
requirements before installing or operating your heater.
4
Heater Warnings
Special Notes
Warning
Caution
Caution - Operational Considerations
Indicates that personal injury or damage to equipment may occur unless specic guidelines
are followed.
Indicates that serious or fatal injury may result if specic guidelines are not followed.
• The installation of this kit requires trained decision making
concerning locating and integrating components, tying
components together, rerouting, or relocating OEM
components, etc. It is impossible to describe all of the
safety and operational considerations in the installation
instructions, therefore, the technician must exercise
professional judgment to achieve a safe and quality
installation.
• Read and understand this manual before attempting to
install the heater.
• Failure to follow all these instructions could cause serious
or fatal injury.
• Exhaust pipe will become very hot during heater
operation.
• Avoid touching exhaust pipe during operation.
• Route exhaust pipe in a manner 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 plug the heater
with soot and result in combustion failure.
This heater is not designed to operate continuously at
altitudes above 1500 meters (4920’).
Operating in these conditions may plug the heater with soot
and result in combustion failure.
• Heater must be turned o while re-fueling.
• Do not install heater in enclosed areas where combustible
fumes may be present.
• Exhaust pipe must maintain a minimum a distance of
50mm (2”) from any ammable or heat sensitive material.
• Ensure there are no leaks in the fuel system.
• Ensure that exhaust fumes cannot enter passenger
compartments.
Warning - Installation Hazards
Warning - Burn Hazards
Bio-Diesel
High Altitudes
Warning - Explosion Hazards
Warning - Fire Hazards
Warning - Asphyxiation Hazards
Note: Highlight areas requiring special attention or clarication.
5
Specications
Principal Dimensions
Performance Specifications
Heating Mode Super High Medium Low
Heating Capacity kW/hr (BTUs/hr) 2.0 (6,825) 1.6 (5,460) 1.3 (4,436) 0.9 (3,071)
Fuel Consumption L/hr (US Gal/hr) 0.25 (0.07) 0.21 (0.05) 0.16 (0.04) 0.10 (0.03)
Air Flow - CFM 49 41 28 20
Power Consumption - watts 34 23 13 9
Power Consumption at Start - watts ≤ 100
Fuel Type Diesel
Nominal Voltage 12 Volt
Lower Voltage Limit 10.5 Volts over 20 seconds
Upper Voltage Limit 16.0 Volt over 20 seconds
Overheat Protection 115º C (239º F)
Allowed Ambient Temperature -40º C to 76º C (-40º F to 168º F)
Weight 2.8 kg (6 lbs)
Above Specications (± 10%)
6
Heater Kit List
QTY
1
1
QTY
1
1
QTY
1
QTY
1
1
2
1
1
QTY
1
1
2
QTY
1
Part Number
P65D-T303
NPN
Part Number
U65A-X702
U65A-X701
Part Number
NPN
Part Number
U65D-X518
U65D-X507
NPN
U65D-X401
NPN
Part Number
U20A-X603
U20A-X602
U20A-X604
Part Number
P20A-T802
Description
Operating Switch
2 Sided Mounting Tape
Description
Mounting Plate
Mounting Plate Seal
Description
Wiring Harness
3.2M (10.5’) Power Harness, 30A Fuse
2.5M (8’) Fuel Pump Harness
2M (6’) Switch Harness
Description
24mm Flexible Stainless Steel Exhaust
25mm Combustion Air Intake Tube
“P” Clamp
24 – 26 mm Exhaust Clamp
16 – 25 mm Hose Clamp
Description
60mm Hot Air Ducting 1M (3’) Length
60mm Air Outlet Adjustable Vent
60mm Hose Clamps
Description
2Kw Air Heater
Heater Only
7
Heater Kit List
QTY
1
1
1
1
1
1
8
Part Number
U65D-X405
P20A-T401
U65D-X407
U65D-X414
U65D-X704
U65D-X403
U65D-X401
Description
Fuel Pickup Tube & Fuel Tube Hardware Kit
- Compression Fitting
- Large Flat Washer
- Small Flat Washer
- Large Rubber Gasket
- Large Hex Nut
- Brass Hex Nut
- Brass Securing Body
Fuel Metering Pump
Fuel Pump Holder
Black Rubber Fuel Line, 0.5M (18”) 5mm ID
“Z” Mounting Bracket
Fuel Line (8m, ID 1.5mm, OD 5mm)
Small Fuel Line Clamps, 9-11 mm
QTY
2
10
8
5
5
2
5
4
4
2
Part Number
NPN
NPN
NPN
NPN
NPN
NPN
NPN
NPN
NPN
NPN
Description
Large Tie Straps
Small Tie Straps
Tek Mount Screws
Self Tapping Screws
Small Flat Washers
Large Flat Washers
M6 Screw
M6 Hex Nuts
Heater Mounting Studs
“L” Brackets
8
Main Components and Operating Concept
1) Process Air Blower Wheel 6) Blower Motor C. Combustion Air
2) Electronic Control Unit 7) Glow Pin E. Exhaust Gas
3) Combustion Air Blower Wheel 8) Heat Exchanger F. Fresh / Process Air Intake
4) Combustion Chamber 9) Fuel Pump H. Hot / Process Air Outlet
5) Overheat / Flame Sensor
10) Operating Unit / Controller
D. Fuel Intake
How the PHP-23A Air Heater Works
• The fuel pump delivers fuel to the combustion chamber.
• The combustion air blower delivers air to the combustion chamber.
• A glow pin is used to ignite the fuel-air mixture.
• The heat from the ame is transferred through the heat exchanger while the exhaust
gases are expelled to the exterior of the vehicle.
• 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 cabin by
regulating through multiple heat output modes.
10
9
Heater Mounting
Typically, air heaters are mounted inside a tool compartment with the OEM HVAC System.
However, the heater may be mounted anywhere inside 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 at surface and provide an air tight seal between heater
and vehicle.
• Refer to Figure M1 for permissible mounting orientations.
Heater Location
Figure M1
10
Heater Mounting
• A mounting plate and hardware are provided with the truck heater kit.
• Refer to Figures M2 & M3 for assembly orientation. Note: If the mounting plate will not
be used, the heater ange can be used as a template to mark where the individual
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 mounting
the assembly to the vehicle.
• Cut a two 3”holes or a 4”x 5” rectangular opening on the cabin oor to accommodate
mounting plate and seal. Refer to Figure M4.
• Secure mounting plate to vehicle with self taping “Tek” screws provided.
Mounting
Figure M2
Indice
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