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Aqua-Hot™ Hydronic Heating System Installation Manual  07/05

Page  4

Aqua-Hot

Overview

Aqua-Hot

Model

Differentiation

2.1 

Aqua-Hot Overview

The Aqua-Hot Hydronic Heating System combines a continuous supply of domestic hot 

water and interior heating into one space-saving design.  Both heating features are 

accomplished by a 12 Volt-DC powered Diesel-Burner and a minimum of one 120 

Volt-AC Electric Heating Element.  As Vehicle Systems manufactures two separate 

models of the Aqua-Hot, the number and wattage of the Electric Heating Element(s) may 

vary; reference Section 2.2 for model differentiation information.  These two heating 

sources maintain the temperature of the Aqua-Hot’s antifreeze and water heating 

solution.  The antifreeze and water heating solution captures and stores the heat 

produced by the heating system, thereby providing continuous domestic hot water, as 

well as interior/fresh water tank heating.  The Aqua-Hot has also been designed to 

preheat the vehicle’s engine prior to starting, which provides easy engine start-up when 

cool weather conditions exist.

2.2 

Aqua-Hot Model Differentiation

Vehicle Systems, Inc. manufactures two individual models of the Aqua-Hot Hydronic 

Heating System.  The varying factor between these two models is the number of Electric 

Heating Elements featured, as well as the wattage employed by each Electric Heating 

Element.  In order to determine which of the following Aqua-Hot models has been 

employed, locate the Marking Plate on the Heating System (reference Figures 1 and 3 for 

Marking Plate information) and view the Model Number Box.

AHE-100-04S

This model features a single 120 VAC/1650 Watt Electric Heating Element.

 

Diesel-Burner, Heat Input (Firing Rate)   

 

50,000 BTU/hr

Diesel-Burner, Fuel Consumption (Continuous

Operation) 

 

 

 

 

 

0.40 gal/hr

Diesel-Burner, Voltage/Power Consumption 

 

12 VDC/60 watts

Electric Heating Element specifications   

 

120 VAC/1650 watts

Circulation Zone Pump specifications   

 

(3) 12 VDC/21 watts/ea

Number of Heating Zones 

 

 

 

maximum of 5, plus  

 

 

 

 

 

 

 

 

Engine Preheat

Domestic Water Heating Capacity 

 

 

continuous/on-demand

Dimensions 

 

 

 

 

 

18.5” H x 18.5” W x 36.75” L

Dry Weight 

 

 

 

 

 

approximately 200 lbs.

NOTE:

  All vehicle installations must comply with the requirements listed in the Recre-

ational Vehicle Industry Association’s (RVIA) ANSI/NFPA 1192 Handbook for Recre-

ational Vehicle Standards.  To receive a copy of this Handbook and other pertinent RVIA 

Standards, write to:  Recreation Vehicle Industry Association, 1896 Preston White Drive, 

P.O. Box 2999, Reston, VA 22090-0999, call them at (703) 620-6003, or visit them online 

at www.rvia.org.

SECTION 2:  AQUA-HOT OVERVIEW

Содержание AHE-100-04S-12 VDC

Страница 1: ...Installation Manual Model Numbers AHE 100 04S 12 VDC AHE 130 04X 12 VDC...

Страница 2: ...t Exchangers 32 3 16 Mounting Locations for Interior Room Thermostats Overview 33 3 17 Wiring the Interior Room Thermostats 33 3 18 Mounting the Fresh Water Tank Thermostat Overview 34 3 19 Wiring the...

Страница 3: ...ne 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 Wiri...

Страница 4: ...reheat Figure 1 Tempering Valve Domestic Water Heating Zones Supply and Return Ports Circulation Pump 1 Circulation Pump 2 Circulation Pump 3 Engine Preheat Circulation Pump Diesel Burner Engine Coola...

Страница 5: ...ze and water heating solution as its heating medium This heated solution is circulated by three centrifugal Circulation Pumps to the heating system s Heat Exchangers whenever a Room and or Bay Thermos...

Страница 6: ...om Heat Exchanger Fresh Water Tank Heat Exchanger Living Room Exchanger Living Room Heat Exchanger Kitchen Heat Exchanger Circulation Pump 1 Circulation Pump 2 Circulation Pump 3 Heating Zone 1 Heatin...

Страница 7: ...stem The varying factor between these two models is the number of Electric Heating Elements featured as well as the wattage employed by each Electric Heating Element In order to determine which of the...

Страница 8: ...12 VDC 21 watts ea Number of Heating Zones maximum of 5 plus Engine Preheat Domestic Water Heating Capacity continuous on demand Dimensions 18 5 H x 18 5 W x 36 75 L Dry Weight approximately 200 lbs...

Страница 9: ...l Heating Element can be wired using flexible nonmetallic cable ROMEX USE COPPER CONDUCTORS ONLY Use 25 Amp fuse for over current protection for DC Power Supply Use 20 Amp Circuit Breaker for over cur...

Страница 10: ...lines will be as short as possible D Mount the Aqua Hot near a Storage Bay Door so the Aqua Hot s Access Cover can be easily removed for product servicing and the Heater can be easily accessed from ou...

Страница 11: ...Figure 6 Minimum Heater clearances reference the Aqua Hot s Marking Plate Figure 3 1 Drill all the necessary holes prior to mounting the Aqua Hot permanently into place reference Figure 6 NOTES A Be...

Страница 12: ...nual 07 05 Page 9 Aqua Hot Combustion Air Overview Figure 4 Combustion Air Intake Shutter Combustion Air Hole in Aqua Hot Cabinet Hose Clamp Combustion Air Intake Sleeve Rubber Boot Combustion Air Hol...

Страница 13: ...Aqua Hot Hydronic Heating System Installation Manual 07 05 Page 10 Aqua Hot Dimensions Figure 5 36 75 in 18 5 in 18 5 in Access Cover SECTION 3 INSTALLATION PROCEDURES...

Страница 14: ...in ref 3 000 in 18 500 in ref 11 125 in 2 187 in 1 312 in 15 750 in 33 062 in 37 312 in 19 187 in 0 750 in 2 187 in 2 187 in 2 187 in All Mounting Bracket Holes require a 0 312 inch hole Mounting Hole...

Страница 15: ...ting towards the Slideout B Sufficient ventilation return air must be supplied to each interior Heat Exchanger reference Figures 7 and 8 NOTES 1 Mounting Heat Exchangers without sufficient ventilation...

Страница 16: ...anger Kitchen Heat Exchanger Bathroom Heat Exchanger Bedroom Heat Exchanger Engine Engine Preheating Fresh Water Tank Heat Exchanger Heating Loop 2 Bathroom and Fresh Water Tank Bay Heating Loop 1 Bed...

Страница 17: ...ystem Installation Manual 07 05 Page 14 Interior Heat Exchanger Location Overview HEAT EXCHANGER HOT AIR OUTLET BASE BOARD TOE KICK AREA CABINET COUCH COLD AIR RETURN Figure 8 REGISTER REGISTER SECTIO...

Страница 18: ...changer Dimensions Wiring and Mounting Overview Figure 9 13 06 in 6 44 in 14 44 in 3 63 in NOTE Tolerance 030 Positive Red Wires To the Fan connection on the Electronic Controller Ground Black Wires T...

Страница 19: ...Aqua Hot Hydronic Heating System Installation Manual 07 05 Page 16 Allowable Cozy III Heat Exchanger Mounting Configurations Vertical Mount Figure 10 Horizontal Mount SECTION 3 INSTALLATION PROCEDURES...

Страница 20: ...ger should be strategically placed in the domestic water plumbing area in order to prevent freezing of the plumbing lines and storage tank A Centralize and position the Fresh Water Tank Heat Exchanger...

Страница 21: ...t Hydronic Heating System Installation Manual 07 05 Page 18 Minimum Cozy III Heat Exchanger Clearance Figure 12 INTERIOR WALL CABINET WALL 4 inch Minimum Clearance Required SECTION 3 INSTALLATION PROC...

Страница 22: ...III Heat Exchanger Mounting Template 3 500 in 5 50 in 1 06 in 0 38 in 2 812 in 6 500 in 10 500 in 13 687 in 6 44 in 13 06 in 14 44 in NOTE Tolerances on the dimensions shown are as follows XX i e 6 44...

Страница 23: ...rhome Heating System Floorplan in Section 3 4 for additional information C The Bedroom Heat Exchanger typically one is plumbed solely on Heating Loop 1 D Use 5 8 in I D Inside Diameter Plumbing Lines...

Страница 24: ...ing to each Heat Exchanger NOTE Plumbing Heat Exchangers in this manner will allow air to escape naturally If air is trapped in any Heat Exchanger it will significantly reduce the Heat Exchanger s ove...

Страница 25: ...Installation Manual 07 05 Page 22 Installing the Heat Exchanger Plumbing Figure 14 Mounting Bracket Mounting Bracket Cozy III Heat Exchanger Rear View Return Port Highest Port Supply Port Lowest Port...

Страница 26: ...Rubber Coupler 3 4 in Rubber Coupler Constant Tension Clamps PEX Insert PEX Insert Return Supply 5 8 inch I D 3 4 inch O D 5 8 inch I D 3 4 inch O D Automotive Type Rubber Heater Hose Coupler 3 4 inc...

Страница 27: ...ne Ports Figure 16A PEX Tube PEX Insert Compression Fitting Heating Loop 1 Supply Port Heating Loop 2 Supply Port Heating Loop 3 Suppply Port Return Heating Zone Ports Figure 16B PEX Tube PEX Insert C...

Страница 28: ...ngine s coolant to the Aqua Hot s Engine Preheat Circulation Pump This port should be a low connection point on the Engine Block or a pressure outlet port on the Engine s Water Pump reference Figure 1...

Страница 29: ...ne POTENTIAL SUPPLY PORT pressure outlet port Ideal Return Port T ToTTop side of the engine 45 M NPT Hose Barb Hose Clamp To the Aqua Hot s outlet Engine Preheat OUT Port Return Automotive Type Heater...

Страница 30: ...nt be used on all Plumbing Fittings 5 Install and clamp both the Supply and Return engine Plumbing Lines Automotive Type Heater Hoses to the Engine s Plumbing Fittings reference Figure 17 6 Install an...

Страница 31: ...Hydronic Heating System Installation Manual 07 05 Page 28 Installing Engine Preheat Plumbing continued Figure 18 Engine Coolant Supply Port IN Engine Coolant Return Port OUT SECTION 3 INSTALLATION PR...

Страница 32: ...g Fixture at a flow rate sufficient to keep the Fixture in a clean and sanitary condition without any danger of back flow or siphoning The size of Water Supply Piping and Branch Line shall not be less...

Страница 33: ...Vehicle Plumbing Systems To obtain a copy of this particular publication please contact RVIA at 703 620 6003 or visit them online at www rvia org 2 Connect a domestic water Plumbing Line from the Aqu...

Страница 34: ...rview Domestic Hot Water OUTLET To Hot Water Faucets AT AT AT Demand Pump Arrows indicate directional flow of domestic water To Cold Water Faucets AT Indicates options for mounting an Accumulator Tank...

Страница 35: ...onnections F The Aqua Hot s Electronic Controller is designed to work with most Electronic Room Thermostats however the chosen Thermostat must produce a constant 12 Volt DC output signal and must rece...

Страница 36: ...est level if applicable NOTE Do not mount the thermostat where it can be affected by drafts or dead spots behind doors and in corners hot or cold air from ducts radiant heat from the sun or appliances...

Страница 37: ...ation should allow for easy operator access reference Figure 21 3 19 Wiring the Fresh Water Tank Thermostat 1 Run two 16 Gauge wires from the Bay Thermostat s mounting location to the Aqua Hot s Elect...

Страница 38: ...6 50 3 00 1 50 75 75 1 00 4x 1 50 2 75 4 25 AHE 130 04X Interior Switch Panel 4 50 5 00 25 2 50 25 150 4x 3 00 1 50 75 75 1 50 2 75 1 00 3x AHE 100 04S Interior Switch Panel Figure 22 3 75 5 25 All d...

Страница 39: ...to Chassis Ground Switch to Electronic Controller connections Switch Electronic Controller Pin 1 Pin 2 Pin 6 to Electric O to Electric I to Chassis Ground Engine Preheat Switch Electric Switch Diesel...

Страница 40: ...e Electronic Controller To the Electric O Terminal on the Electronic Controller To the Electric I Terminal on the Electronic Controller To the IND LT B3 Terminal on the Electronic Controller To the IN...

Страница 41: ...r Pin 1 Pin 2 Pin 6 to Electric O to Electric I to Chassis Ground Engine Preheat Switch to Electronic Controller connections Switch Electronic Controller Pin 1 Pin 2 Pin 6 to Preheat O to Preheat I to...

Страница 42: ...ronic Controller to the Preheat O Terminal on the Electronic Controller to the Preheat I Terminal on the Electronic Controller to the IND LT B6 Terminal on the Electronic Controller to the IND LT B3 T...

Страница 43: ...sert all switch wires into the appropriate terminal switch panel connection on the Electronic Controller reference Appendix A 6 Permanently mount the Switch Panel in place 7 Be sure to move all three...

Страница 44: ...c Heating System Installation Manual 07 05 Page 41 Fuel System Specifications 33 max 33 max Figure 25 Maximum Allowable Suction Lift height 6 6 max Maximum Allowable Head Pressure 2 SECTION 3 INSTALLA...

Страница 45: ...nnot be pinched off kinked or damaged during normal operating conditions C Be sure to secure all Fuel Lines where necessary and apply protective shielding in areas where chafing may occur CAUTION A ki...

Страница 46: ...Aqua Hot Hydronic Heating System Installation Manual 07 05 Page 43 Diesel Fuel Ports Figure 27 Diesel Fuel Supply Diesel Fuel Return SECTION 3 INSTALLATION PROCEDURES...

Страница 47: ...ce Figure 27 for details on the Fuel Tank connections Reference Figure 28 for details on the Aqua Hot s Fuel Connections Figure 28A Fuel Filter Figure 28B NOTE Reference Figure 27 for details on the F...

Страница 48: ...The Exhaust System MUST NOT terminate beneath the vehicle Failure to conform will void the Aqua Hot s UL listing 2 Angle the Exhaust Pipe towards the rear of the vehicle so that the exhaust fumes will...

Страница 49: ...Figure 29 e p i P t s u a h x E e p y t e v i t o m o t u A D I h c n i 5 7 1 NOTE A Condensation drain is not required if the Exhaust Pipe slopes away from the Heater x a M t e e F 2 1 1 5 inch Black...

Страница 50: ...Neck Overflow Connection reference Figure 30 NOTE The Expansion Bottle can be mounted either above or below the top of the Aqua Hot 3 Drill a hole in the Bay floor and connect secure with a clamp a l...

Страница 51: ...that the VDC Voltage Level drops too low to properly operate it is imperative that the proper wire gauge be determined and utilized B The maximum allowable voltage drop for the 12 Volt DC Aqua Hot is...

Страница 52: ...ones Status 5 4 3 2 1 Electric Heating Element Status Low Voltage Reset Low Tank Level Cutoff Heating Status Engine Preheat Pump Low Battery Voltage Fault Low Temp Cutoff Status Overload Fault Pump 2...

Страница 53: ...Heating Element Status Low Tank Level Cutoff Heating Status Engine Preheat Pump Low Battery Voltage Fault Low Temp Cutoff Status Overload Fault Pump 2 Pump 1 Pump 3 Diesel Burner Status Low Voltage R...

Страница 54: ...ropylene glycol based antifreeze products are formulated specifically to protect automotive engines against corrosion freezing temperatures and overheating They also have excellent heat transfer and t...

Страница 55: ...lso if there is a shortage of antifreeze the Aqua Hot Hydronic Heating System is not as well protected in terms of freeze protection and anti rust anti corrosion protection 2 Replace the Aqua Hot s Fi...

Страница 56: ...to 15 PSI then allow the air pressure to remain for 30 minutes and check for loss of pressure Should a loss of pressure occur check the connections at each Heat Exchanger using a soapy water solution...

Страница 57: ...s been completely bled of air Operating the Aqua Hot without the antifreeze and water heating solution will cause serious damage to the Aqua Hot s Heat Tank NOTE All Electric Installations Systems and...

Страница 58: ...p 3 1 1 JP 4 JP 3 JP 2 JP 1 14 BLK JUNCTION BOX TO 120 VAC L1 N G BLK 11 ORG 12 BLU 3 WHT 1 BLK GRN BLK BLK 3 WHT JP8 B4 IN JP5 12V JP7 GND 5 FAN 5 FAN 5 THERM O 5 THERM I 4 FAN 4 FAN 4 THERM 0 4 THER...

Страница 59: ...R 4 C I R T C E L E W O L I H N R G T H W 3 L E N A P H C T I W S X O B N O I T C N U J N A F 5 N A F 5 O M R E H T 5 I M R E H T 5 N A F 4 N A F 4 0 M R E H T 4 I M R E H T 4 N A F 3 N A F 3 O M R E...

Страница 60: ...ectric Elements vary by model locate the Marking Plate on the Aqua Hot reference Figure 1 for the Marking Plate locations as well as Figure 3 for additional information to determine which model is emp...

Страница 61: ...Wiring Diagrams APPENDIX A...

Страница 62: ...2 Circ Pump 1 1 1 JP 4 JP 3 JP 2 JP 1 OPTIONAL 14 BLK WHT WHT RED BLK BLU BLU RED BLK VIO VIO BLK RED ORG ORG BLK RED 1 2 4 6 1 2 4 6 1 2 6 4 TO 12VDC POWER SUPPLY I E BATTERY CONNECTIONS 12VDC 12VDC...

Страница 63: ...L B D E R T H W T H W T H W 3 12 VDC L E N A P H C T I W S C D V 2 1 R O T O M C D V 2 1 3 P M U P N O I T A L U C R I C C D V 2 1 2 P M U P N O I T A L U C R I C C D V 2 1 1 P M U P N O I T A L U C...

Страница 64: ...OPTIONAL WHT WHT RED BLK BLU BLU RED BLK VIO VIO BLK RED ORG ORG BLK RED 1 2 4 6 1 2 4 6 1 2 6 4 TO 12VDC POWER SUPPLY I E BATTERY CONNECTIONS SWITCH PANEL BLU BLU YEL ORG VIO BRN GRN WHT JP8 B4 IN JP...

Страница 65: ...O I V K L B D E R U L B U L B K L B D E R T H W T H W L E N A P H C T I W S N A F 5 N A F 5 O M R E H T 5 I M R E H T 5 N A F 4 N A F 4 0 M R E H T 4 I M R E H T 4 N A F 3 N A F 3 O M R E H T 3 I M R...

Страница 66: ...Wire Gauge Information APPENDIX B...

Страница 67: ...0 2 0 2 0 3 0 3 0 4 0 4 0 4 0 60 6 4 4 2 2 1 0 2 0 3 0 3 0 4 0 4 0 4 0 70 6 4 2 2 1 0 2 0 3 0 3 0 4 0 4 0 80 6 4 2 2 1 0 3 0 3 0 4 0 4 0 90 4 2 2 1 0 2 0 3 0 4 0 4 0 100 4 2 2 1 0 2 0 3 0 4 0 5 18 18...

Страница 68: ...www vehiclesys com 15549 East Highway 52 Fort Lupton Colorado 80621 1 800 685 4298 Fax 303 857 9000 Copyright 2005 Vehicle Systems Inc All rights reserved...

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