Aqua-Hot 400P Manual de usuario

USE & CARE GUIDE

400SERIES

400P

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Aqua-Hot® 400P Use & Care Guide 2

Thank you for equipping your RV with an Aqua-Hot hydronic heating system! We

value your business and are grateful for the trust you have placed with Aqua-Hot

Heating Systems Inc. Our customers are top priority and we are committed to

providing best-in-class products, service, and support.

We understand how important comfort is to you as a motor home owner; there-

fore, we have designed a heating system to significantly improve all of your comfort

levels while on the road. Additionally, the Aqua-Hot hydronic heating system is a low

emission, fuel efficient system that adds thousands of dollars to your motor home.

We know you must be eager to get underway, but take time to read the entire

Use & Care Guide and understand your Aqua-Hot unit. This guide should be main-

tained in legible condition and kept in a safe, accessible location for future review.

Should you have any suggestions how we can better serve you, please do not

hesitate to contact us at 800-685-4298 or 303-651-5500.

The Aqua-Hot hydronic heating system is protected by the finest warranty in the

industry (read it on page 21).

IMPORTANT NOTE:

• A qualified installer or service technician must perform equipment installation

or service. Contact Aqua-Hot for Factory Authorized Service Centers or Certified

Technicians located near you: www.aquahot.com/ service-help: 800-685-4298

or 303-651-5500.

• Warranty work must be performed by an Aqua-Hot Factory Authorized Service

Center.

IMPORTANT NOTE:

• Your on-product identity label contains specifications of your unit. Factory set-

tings may be adjusted by your RV manufacturer, confirm final setting with your

dealer.

• If the information in this guide is not followed exactly, a fire or explosion may

result, causing property damage or personal injury.

Journey in Comfort

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Aqua-Hot® 400P Use & Care Guide 3

Journey in Comfort

Comfort Zone #1: Comfortable Cabin Heat.

Get heat where you want it, when you want it! The Aqua-Hot system heats by zones. Therefore, your bedroom, living room, and

bathroom can be custom temperatures. Don’t hesitate to crank up the heat because the Aqua-Hot system doesn’t remove

moisture from the air. From now on, you will have to blame the dry skin and itchy eyes on Mother Nature!

Comfort Zone #2: Quiet Operation

Say goodbye to rude awakenings from the forced air furnace, you’re an Aqua-Hot owner now! The Aqua-Hot is quiet when op-

erating, so you’ll never have to turn up the TV, yell across the room, or have an interrupted night of sleep again due to your

heating system.

Comfort Zone #3: Continuous, On-Demand Hot Water

Take long, guilt free showers knowing there is no recovery time for the next shower or load of laundry. The freedom to take a

shower when you want makes your RV experience feel much more like home.

Comfort Zone #4: Low Emissions

Aqua-Hot’s new low emission systems are fumeless and odorless. It’s good for you,

good for your neighbor, and good for the environment.

Comfort Zone #5: Over 160 Factory-Trained Service Centers

You won’t need to service your Aqua-Hot often, but when you do, you can be confident in our Certified Service Centers that are

close by and trained to assist you with all of your Aqua-Hot specific needs.

Comfort Zone #6: Adds Value

The NADA Recreational Vehicle Guide lists Aqua-Hot as adding thousands of dollars to the value of an RV. That value will pay

off when it’s time to trade up or sell.

Comfort Zone #7: Low Fuel Costs

There’s no need to burn propane each time heat or hot water is needed. Aqua-Hot’s TribridHot technology powers the Aqua-

Hot system by pulling heat from one or a combination of heat sources. When shore power is available, simply plug it in. When

dry-camping or in very cold conditions, use the Diesel Burner.

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Aqua-Hot® 400P Use & Care Guide 4

Safety Instructions & Precautions

The Unit

IMPORTANT NOTE: Read all instructions before installing

this appliance.

• Read this Installation Manual before installing or using

the Aqua-Hot System to reduce the risk of injury to per-

sons or damage to equipment.

• The product identity label contains specifications of the

unit, to what standard it has been tested, and im-

portant safety notices.

• The Aqua-Hot must be installed in a compartment that

is closed off from living quarters and accessible only

from outdoors.

• Propylene glycol based antifreeze “Generally Recog-

nized as Safe” by the FDA must be utilized for anti-

freeze and water heating solution.

• An interlock switch prevents the Aqua-Hot heater from

operating when the cover is not installed in the correct

position.

• Should any additional assistance be needed, please

contact the Product Application Department at 800-

685-4298 or 303-651-5500.

• Disconnect electric wiring to the Aqua-Hot System be-

fore welding or plasma cutting the coach to avoid dam-

age to equipment.

• Air pressure to the tank must not exceed 20 PSI or will

cause internal damage.

• The Aqua-Hot’s exhaust is HOT and must be kept away

from heat sensitive material.

• Use caution when working on or near the propane gas

system.

• DO NOT connect the 12 Volt-DC power to the Aqua-Hot

if the vehicle requires welding.

• At maximum operating temperatures, the coolant will

be very hot and scalding hot vapor or coolant may re-

sult in serious burns or injury.

• DO NOT activate the burner until the antifreeze and

water heating solution has been added to the boiler

tank to avoid serious damage to the heater.

If this information in these instructions is not followed

exactly, a fire or explosion may result causing property

damage, personal injury, or death.

• Do not store or use gasoline or other flammable va-

pors and liquids in the vicinity of this or any other ap-

pliance.

WHAT TO DO IF YOU SMELL GAS

• Evacuate all persons from the vehicle.

• Shut off the gas supply at the gas container or source.

• Do not touch any electrical switch or use any phone or

radio in the vehicle.

• Do not start the vehicle’s engine or electric generator.

• Contact the nearest gas supplier or qualified service

technician for repairs.

• If you cannot reach a gas supplier or qualified service

technician, contact the nearest fire department.

• Do not turn on the gas supply until the gas leak(s) has

been repaired.

• Installation and service must be performed by a quali-

fied installer, service agency, or gas supplier.

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Aqua-Hot® 400P Use & Care Guide 5

Safety Instruction & Precautions

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Aqua-Hot® 400P Use & Care Guide 6

Contents Caution Notes

As you read this Information, take particular note

of the NOTICE, CAUTION, WARNING and

DANGER symbols when they appear. This infor-

mation is important for safe and efficient use of

the Aqua-Hot equipment.

NOTICE signals a situation where potential dam-

age to the equipment could occur.

CAUTION signals a situation where potential harm

or risk of minor or moderate injury could occur if

you do not follow instructions

WARNING signals a hazardous situation where

potential harm, risk of serious injury or death

could result if you do not follow instructions

DANGER signals a situation where immediate risk

of serious injury or death will result if you do not

follow instructions

NOTE: In addition, this manual may indicate an

IMPORTANT NOTE that highlights information that

is especially important.

Introduction

About the Aqua-Hot Hydronic Heating System .....................4

Aqua-Hot Hydronic Heating System Reference .................... 7

Operating Instructions

Activating the Aqua-Hot Heating System .............................. 9

Operating Safety Information ................................................ 5

Operating Zone Thermostats................................................. 9

Using the Domestic Water Heating System........................10

Aqua-Hot Operational Flow Chart........................................11

Maintenance

Monthly Maintenance..........................................................12

Replenishing the Antifreeze/Water Solution ......................12

Annual Maintenance............................................................12

Winterization

Winterizing the Domestic Water Heating System ..............13

De-Winterizing the Domestic Water Heating System.........13

Troubleshooting

General Information.............................................................14

Electronic Controller Diagnosis ...........................................14

Tempering Valve ..................................................................15

Appendices

Appendix A: Antifreeze Types ..............................................16

Appendix B: Antifreeze Mixture/Water Quality ...................16

Appendix C: Antifreeze Terms and Mixture Ratio ...............16

Appendix D: Measuring Propylene Glycol

Using a Refractometer....................................18

Owner’s Service Log..........................................................19

Warranty

Limited Warranty Statement ...............................................21

Contents and Cautions

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Aqua-Hot® 400P Use & Care Guide 7

Aqua-Hot System Features

The Aqua-Hot Heating System is a Low Emissions Hy-

dronic Heating System (heating with hot water) that signifi-

cantly improves your level of comfort, decreases harmful

emissions released into the atmosphere, and adds thou-

sands of dollars in value to your RV.

The Aqua-Hot Heating System is three systems in one:

1. Interior Heating System: provides quiet, comfortable

interior heat with independent temperature zones that

provide cabin-wide even temperatures.

2. Bay Heating System: keeps pipes and tanks from freez-

ing in the bay storage area.

3. Tank-less Hot Water System: provides a steady flow of

continuous hot water.

The Aqua-Hot System is powered by TribridHot™ technology

and uses one or a combination of the following sources:

1. The 120-Volt AC Electric Element: When plugged into

shore power, the electric element lets you use the pow-

er you are already paying for to provide heat and meet

your light duty hot water needs.

2. The Burner: This is the Aqua-Hot’s most powerful heat

source and provides all of heating and hot water needs

in cold temperatures or dry camping.

NOTE: This Aqua-Hot product utilizes a propylene glycol

based antifreeze and water heating solution. This propylene

glycol based solution is a boiler type antifreeze that is

“Generally Recognized as Safe” (GRAS) by the FDA. For

additional information regarding this “GRAS” antifreeze

product, please the Care & Maintenance Section of this

guide, contact the Aqua-Hot Heating Systems Technical

Support Department at 1-800-685-4298, or visit the web

site at www.aquahot.com.

The product label

attached to the

Aqua-Hot

provides a ready

reference to

specifications, test

standards and

important safety

notices.

400P Features

Secon #: Title

Aqua-Hot® 400P Use & Care Guide 8

1. AC Terminal Block

2. AC Terminal Port

3. AC Wiring Port

4. Access Cover

5. Air Release Valve

6. Propane Burner

7. Propane Burner Controllers

8. Propane Inlet Ball Valve

9. Domestic Cold Water Inlet

10. Domestic Hot Water Outlet

11. Drain Valve

12. Expansion Tank Connection

13. Heating Zone 1 Outlet Port

14. Heating Zone 2 Outlet Port

15. Tempering Valve

16. VAC Access Panel

17. Wiring and Harness Port

18. Zone 1 Circulation Pump

19. Zone 1 Inlet Port

20. Zone 2 Circulation Pump

21. Zone 2 Inlet Port

Aqua-Hot System Features

21 19

18 20

13 14

Cut-Away Diagrams

The Aqua-Hot tank and heating loop operate at 0.0 psi (zero

pressure system). Air pressure applied to the tank MUST

NOT exceed 20 psi. Excess pressure will result in internal

damage.

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Aqua-Hot® 400P Use & Care Guide 9

Aqua-Hot Heating System Features

Controls Overview

Do not operate the diesel-burner and/or electric element

without the antifreeze and water heating solution in the

Aqua-Hot’s boiler tank. Failure to do so will cause serious

damage to the heater.

Switches:

The Aqua-Hot heating system is controlled by two switch-

es, the burner switch and the electric element switch. When

one or both the burner or electric element switches are in

the ON position, it will supply the necessary heat to the boil-

er tank. Keep in mind that the Aqua-Hot must be at operat-

ing temperature for the heating zones and hot water to

function properly. Please contact the specific motorhome

dealer for the exact location of switch operations.

Thermostats:

The interior room thermostat can be set at the desired

temperature; therefore, whenever the interior of the room

“calls for heat”, the Aqua-Hot’s circulation pump and interi-

or heat exchanger fans will be activated. The fresh water

thermostat controls the bay heating area and should NOT

be set below 40°F, to prevent freezing of the domestic

water storage system. Please contact the specific motor

home dealer for exact location of thermostat controls.

Interior Heating Operation

Heating Operation

Overview:

The heating features are powered by a 12 Volt-DC pro-

pane burner and a 120 Volt-AC electric heating element.

These two heating elements maintain the temperature of

the Aqua-Hot’s antifreeze and water heating solution to pro-

vide hot water and heat to the motor home.

• Propane Burner–The propane burner is the Aqua-Hot’s

primary and most powerful heat source and provides

all of the heating and hot water needs when cold tem-

peratures exist and/or when there is a high demand for

hot water. It can be activated by turning the burner

switch in the ON position. Reference Figure 1 on follow-

ing page.

• Electric–The electric element is the Aqua-Hot’s second-

ary heat source and can be used when plugged into

shore power. The electric element provides heat when

moderate temperatures exist (50°F or higher) and/or

when there is a low demand for hot water. It can be

activated by turning the electric switch in the ON posi-

tion. Reference Figure 1 on following page.

Controlling Heat Levels:

The interior room thermostat can be adjusted at the

desired temperature and will automatically be activated to

maintain the temperature of the interior. Keep in mind that

the diesel and/or electric element switch on the interior

switch panel must be in the ON position for the heat to op-

erate.

Control/Balancing Heating Zones:

Set the interior room thermostat for each independent

heating zone at the desired temperature. This feature al-

lows you to customize various temperatures on each heat-

ing zone throughout your motor home.

Secon #: Title

Aqua-Hot® 400P Use & Care Guide 10

Figure 1

Hot Water Operation

Using the Water Heating System

General Information:

The Aqua-Hot system is known as an on-demand hot

water heating system because hot water is not stored within

the motor home. Instead, when the burner and/or electric

element switch is ON and the Aqua-Hot is at operating tem-

perature, the water is automatically heated as it is being

used. Therefore, simply open a hot water faucet once sys-

tem is up to operating temperature, and a continuous sup-

ply of hot water will be present within a few seconds.

Do not operate the burner and/or electric element without

the antifreeze and water heating solution in the Aqua-Hot’s

boiler tank. Failure to do so will cause serious damage to

the heater.

The Aqua-Hot’s exhaust is HOT! Do NOT park is areas where

dry conditions exist (i.e., grassy, dry fields). Do NOT operate

the burner inside an enclosed building. The heater must be

switched OFF when refueling.

Operation Instructions:

To operate the Aqua-Hot hot water system, you will need

to locate the interior switch panel located inside your motor

home. If you are unable to locate the switch panel, contact

your dealer to guide you in the location and operation of all

switch operations. Once you have located the interior switch

panel, turn the burner switch ON. This action will activate

the burner and the indicator light located adjacent to the

burner switch. Allow 10-20 minutes for the Aqua-Hot system

to reach operating temperature. Please note that the burner

is the primary heat source for heating the interior and hot

water.

To operate the electric heating element, turn the electric

switch ON. This action will activate the 12 Volt-AC electric

heating element and the indicator light located adjacent to

the electric switch. Allow 1-2 hours for the Aqua-Hot system

to reach operating temperature. Be sure to activate the

electric element switch for maximum water capacity. Figure

1 is an example of an interior switch panel.

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