Diamond Power Products DPS6500 User Manual
Auxiliary Power Unit Installation Guide
MODEL No. DPS6500
DP
READ BEFORE STARTING INSTALLATION
Each truck chassis is built differently and will require a different installation method.
Review the placement of ALL parts and components
before beginning the installation process.
Step One
DCP (Driver Control Panel)
HVAC
CONDENSER
APU
APU Parts and Components
Parts List:
APU 1
APU Installation Kit 1
Frame locks 4
_” x 6 _” Bolts 4
_” Split Lock Washers 8
_” lock nuts 4
Frame Washers 2
Fuel Pick-up Kit 1
Pick-up 1
Clamps 2
Exhaust Extension Kit 1
90 Degree exhaust pipe 1
Support bracket 1
Exhaust clamps 2
5/16” NC bolt 1
5/16” Washers 2
5/16” Lock Nuts 2
Driver Control Panel
Condenser
120 VAC Receptacle Panel
HVAC
APU
Fuel Supply
And Return
Battery Terminal Kit 1
Red heat shrink 1
Black heat shrink 1
Ring terminals 2
Cable ties 75
Condenser 1
Hoses 2
Mounting hardware 1
Harness 1
HVAC 1
Driver Control Panel 1
Power Outlet 1
Vehicle Fuel Tank
Parts and Tools Required
• Radiator hose – 3/4”
• Radiator shut off valves
• Radiator hose clamps
• An assortment of nuts, bolts, and
washers as required
• An assortment of electrical connectors
and protective conduit as required
• Heat shrink, pipe sealant, never seize,
electrical tape, expanding foam
• Torque wrench (100ft/lb)
• Hole saw kit (1”,1 _”, 3”, 3 _”, 4 _”)
• Portable lighting
• Hand forklift/lifting device
• Step drill
• Angle drill
• Reciprocating saw
• Nutsert ® installation tool
• Scale (refrigerant) accurate to ounces
• Gauges (refrigerant) 134A compatible
• Diamond Test Switch Module PG1008
• Flow Meter TK 9002
NOTE: The APU requires periodic maintenance. Ensure you have access to internal components (i.e. oil filter, air filter,
fuel filter and oil filter). The Diamond comes filled with long life coolant. Consult the truck owner prior to altering the vehicle in any way.
CAUTION: Trucks with longer chassis should have the APU mounted closer to the sleeper unit to avoid obstacles such as
railway crossings, speed bumps, curbs, etc. Before beginning installation of the Diamond system, disconnect the vehicle’s batteries.
If truck is equipped with a coolant valve, valve must be fully opened before starting APU.
Page1
DP
MOUNTING THE APU
Installing
1. Use existing holes at back of APU. Do not
drill new holes in the APU.
2. Torque mounting bolts to 100 ft/lbs.
3. Install exhaust pipe extension to APU; direct
exhaust away from vehicle.
Consider the Following:
• Free space around existing covers.
• Brackets for attaching covers, dryers,
fuel tanks, fasteners, existing plumbing
for air, fuel and water lines.
• Battery tray.
• Any hardware found in the mounting
location: move or modify if necessary.
Back Plate OF APU Enclosure
Frame Gripper
Torque 100 ft/lb
Frame Rail
Step Two
Frame Gripper Bolts
2 5/8” Minimum
Side Clearance
WARNING: The APU is weighty. Do not drop it! Use a lifting device.
CAUTION: Do not mount the Diamond APU to bottom pan. Unit is designed to hang from chassis rails.
NOTE: Consult OEM frame drilling requirements if you are bolting APU directly to the trucks frame rail.
Page2
2 5/8” Minimum Side Clearance
11” Minimum Ground Clearance
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