Referenced Illustrations
Figure 1:
Aqua-Hot and Inclusive Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Figure 2:
Heat Exchanger Heating Loops . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Figure 3:
Aqua-Hot Marking Plate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Figure 4:
Aqua-Hot Combustion Air Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Figure 5:
Aqua-Hot Dimensions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Figure 6:
Aqua-Hot Mounting Template . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Figure 7:
Interior Heat Exchanger Mounting Locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Figure 8:
Interior Heat Exchanger Location Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Figure 9:
Interior Heat Exchanger Dimensions, Wiring, and Mounting . . . . . . . . . . . . . . . . . . 15
Figure 10: Allowable Cozy III Heat Exchanger Mounting Configurations. . . . . . . . . . . . . . . . . . 16
Figure 11: Fresh Water Storage Tank’s Heat Exchanger. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Figure 12: Minimum Cozy III Heat Exchanger Clearance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Figure 13: Cozy III Heat Exchanger Mounting Template . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Figure 14: Heat Exchanger Plumbing Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Figure 15: Installing the Heat Exchanger Plumbing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Figure 16A: “Supply” Heating Loop Ports and Plumbing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Figure 16B: “Return” Heating Loop Ports and Plumbing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Figure 17: Installing the Engine Preheat Plumbing on the Vehicle’s Engine . . . . . . . . . . . . . . . 26
Figure 18: Engine Coolant Supply and Return Port Locations. . . . . . . . . . . . . . . . . . . . . . . . . . 28
Figure 19: Attaching Plumbing Lines to the Domestic Hot Water System . . . . . . . . . . . . . . . . . 30
Figure 20: Domestic Hot Water System Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Figure 21: Wiring the Fresh Water Tank Thermostat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Figure 22: Switch Panel Mounting Templates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Figure 23A: AHE-100-04S Switch Panel and Indicator Light Wiring . . . . . . . . . . . . . . . . . . . . . . 36
Figure 23B: AHE-100-04S Switch Panel Wiring Schematic. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Figure 24A: AHE-130-04X Switch Panel and Indicator Light Wiring . . . . . . . . . . . . . . . . . . . . . . 38
Figure 24B: AHE-130-04X Switch Panel Wiring Schematic. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Figure 25: Fuel System Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Figure 26: Installing the Diesel-Burner’s Fuel Lines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Figure 27: Diesel Fuel Supply and Return Port Locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Figure 28A: Fuel Filter Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Figure 28B: Fuel Filter Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Figure 29: Exhaust System Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Figure 30: Installing the Expansion Bottle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Figure 31: VDC Power Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Figure 32: Low Voltage Reset Button. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Figure 33: Air-Pressure Testing the Hydronic Heating System . . . . . . . . . . . . . . . . . . . . . . . . . 53
Figure 34A: AHE-100-04S VAC Power Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Figure 34B: AHE-130-04X VAC Power Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Generalized Motorhome Heating System Floorplan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
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TABLE OF CONTENTS (continued)
