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Aqua-Hot 200 Series Installation Manual

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Installation Manual
200
Series
AHE-250-P01

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Summary of Contents for Aqua-Hot 200 Series

  • Page 1 Installation Manual Series AHE-250-P01...

  • Page 2: Table Of Contents

    Exhaust System ................. 22 Pin-Out Information ..............25 Connecting the 250P to 12V DC Power ........26 Connecting the Aqua-Hot to AC Power ........27 Filling/Purging the Aqua-Hot 250P .......... 28 DANGER signals a situation where immediate risk of serious First Operation ................29 injury or death will result if instructions are not followed.

  • Page 3: Introduction

    The Aqua-Hot’s exhaust is HOT and must be kept away from (574-247-9235). heat sensitive material. • DO NOT connect the 12-volt DC power to the Aqua-Hot if the vehicle requires welding. • At maximum operating temperature, the coolant will be very hot and scalding.

  • Page 4: System Features

    All vehicle installations must comply with the requirements NOTE: This product label is attached to the side of the listed in the Recreational Vehicle Industry Association’s Aqua-Hot, and provides a ready reference to specifications, (RVIA) ANSI/NFPA 1192 Handbook for Recreational Vehicle test standards, and important safety notices.

  • Page 5: Installing The 250P

    8. Domestic Hot Water Outlet Figure 5. 18. Interlock Switch 9. Propane Inlet Ball Valve 3. Install the flange located on the bottom of the Aqua-Hot into the cutout opening. Reference Figures 7 & 8. 19. Zone Circulation Pump 10. 12V DC Harness Junction 4.
  • Page 6 NOTE: Angle mounting bracket must be flush to the underside of the coach floor and flush to the heater flange. NOTE: The mounting flange of the Aqua-Hot is not centered Tighten bolts to roughly 76 in-lbs. on the body of the heater. Reference Figure 5 for the correct dimensions to construct the surface on which the Aqua-Hot will be mounted.

  • Page 7: Installation Of The Expansion Bottle

    Introduction: Upper Fitting The fluid expansion bottle is integral to the operation of the Aqua-Hot. It provides an area for hot, expanded fluid to empty Heat Exchanger 1 Hot Fluid Line into, and also protects the Aqua-Hot from low-fluid, which could NOTE: For the best performance, lead to catastrophic damage of the Aqua-Hot.

  • Page 8: Installing Heat Exchangers

    2. Air Ducting Hose 3. Plenum 4. Cozy Heat Exchanger 5. Toe Kick Board Figure 16 Figure 17 Figure 14 p. 12 ©Aqua-Hot® 250 Propane Series Installation Manual REV 220428 ©Aqua-Hot® 250 Propane Series Installation Manual REV 220428 p. 13...

  • Page 9: Heat Exchanger Locations And Clearances

    If a deviation is required, contact Aqua-Hot Heating simplest to place a heat exchanger on the opposite side of following guidelines must be adhered to, or the Aqua-Hot will Systems prior to installing these exchangers for express the coach pointing towards the slide-out.

  • Page 10: Plumbing The Heating Zone

    Placement and quantity may vary depending on the coach. 6. Connect and clamp the inlet line from the heater to the Aqua-Hot highest port on the Heating System last heat exchanger to complete the heating Cozy #1 loop.

  • Page 11: Domestic Water System Requirements

    The electric element will only provide light duty hot water. turn the system on and off. Mounting plate dimensions for the • The Aqua-Hot is equipped with a pressure relief valve and a The tempering valve is integrated into the cabinet of the panel are shown below.

  • Page 12: Propane Fuel System

    Burner vehicle gas demand/pipe sizing is considered during the layout delivery to the Aqua-Hot unit. Please read and adhere to all of of the fuel system. For the 250P, use an input rating of 70,000 the outlined requirements to ensure best performance of the BTU/hr in calculating fuel pipe “inside diameter”...

  • Page 13: Exhaust System

    Aqua-Hot unit. Exhaust from the Aqua-Hot is very HOT and must be kept away from any heat sensitive materials. Failure to do so may result in a fire.

  • Page 14: Pin-Out Information

    Domestic Water System Exhaust System Introduction to Wiring Pin-Out Information 200 Series Pin-Out Information #8 x ⅜” The following section serves to provide electrical information particularly pertaining to pin-out configurations to assist in correctly wiring the coach-side electrical connections. Installation must be performed by a professional installer or technician as per national/local regulations.

  • Page 15: Connecting The 250P To 12V Dc Power

    NOTE: For wiring the cozy heat exchangers, see Page 15. #5 of the 8-way receptacle. 1993 Edition. 1. Route three 120V AC power source wires to the Aqua-Hot 5. Insert the thermostat ground signal wire into Pin #6 on •...

  • Page 16: Filling/Purging The Aqua-Hot 250P

    Filling and Purging the Aqua-Hot 250P Hot through the fill valve. Before the first activation of the Aqua-Hot, fill the unit with 1. Make sure there are no blockages or debris to the exhaust The first start-up of the Aqua-Hot may not light up perfectly.

  • Page 17: Winterizing

    “GRAS” antifreeze) rated for winterization is used when system overview. winterizing this unit. The warranty does not cover freeze damage. NOTE: The Aqua-Hot can continue to be used for interior heat De-Winterization: once the domestic hot water system has been winterized.
  • Page 18 (distilled, deionized, or soft) water when preparing their corrosive inhibitors, which are designed specifically to activate freezing point. Aqua-Hot. Propylene glycol is a safer alternative to the more antifreeze for sale. in a water solution. toxic ethylene glycol antifreeze; however, as mandated by...

  • Page 19: Appendix C: Parts & Accessories

    Parts & Accessories Appendix NOTE: Service parts and accessories are available through Aqua-Hot Factory Authorized Service Centers or www.aquahot.com. Click on the part number to route you to the Aqua-Hot webstore to purchase. Measuring Antifreeze Using a Refractometer Calibration Screw...
  • Page 20 Grille, 10” x 2” Cozy Grille, Medium, 3.5” x 15”, Black Fitting, Reducer ½” to ⅝” Black Nylon Pump Mounting Bracket p. 36 ©Aqua-Hot® 250 Propane Series Installation Manual REV 220428 ©Aqua-Hot® 250 Propane Series Installation Manual REV 220428 p. 37...
  • Page 21 Fitting, Straight, ½” PEX x ½” (M)NPT PSF Fitting, Pipe Nipple, Exhaust, 1-½” x 4” Clamp, Hose, Constant Tension, 0.75” Bend Support, ⅝” p. 38 ©Aqua-Hot® 250 Propane Series Installation Manual REV 220428 ©Aqua-Hot® 250 Propane Series Installation Manual REV 220428 p. 39...
  • Page 22 Tip, Exhaust End MSX-300-270 MSX-300-300 PLX-T44-006 SME-102-000 Boiler Antifreeze, 1-gallon, Pink Boiler Antifreeze, 1-gallon, Green Fitting, Insert Modified Bras Cozy Plenum Assembly p. 40 ©Aqua-Hot® 250 Propane Series Installation Manual REV 220428 ©Aqua-Hot® 250 Propane Series Installation Manual REV 220428 p. 41...

  • Page 23: Warranty

    Thus, problems due to improper specifications, improper installations, improper use, the use of accessory parts or parts not authorized by Aqua-Hot Heating Systems Inc., repair by unauthorized persons, and damage or abuse of the heater are specially excluded from warranty coverage.

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