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Configuring the Zones

Mounting the Aqua-Hot LCD

©Aqua-Hot®

 125DN Installation Manual 

REV 220419

©Aqua-Hot®

 125DN Installation Manual 

REV 220419

p. 39

p. 38

Operating the LCD

System Status (4):

This item will indicate the current operational status 

of the Aqua-Hot. If any faults have triggered, those will be 

displayed here.

During normal operation, this should display either 

INTERIOR HEAT or HOT WATER relating to the priority and 

position of the 3-way valve.

While in INTERIOR HEAT mode, the 3-way valve is 

oriented so as to circulate heated antifreeze and water 

solution through the heating zones of the RV. 

While in HOT WATER mode, the 3-way valve is oriented 

so that the heated antifreeze and water solution is 

circulated immediately back into the boiler tank. This is 

known as “stirring” the tank, and it is done to provide as 

much heat as possible to the domestic water line while 

water is flowing.

Module Options (5):

Tapping on the module options screen (the 3 lines on the 

bottom right of the home screen) will display the screen shown 

to the left. This is known as the Module Options screen. From 

here, it is possible to access unit diagnostics, activate Quiet 

Mode, change the temperature units, adjust screen brightness, 

and unit timeout.

  Screen Timeout (A):

The screen timeout item sets the amount of time 

required to allow the screen to shut-off when idle.

 

 Screen Brightness (B):

This setting changes the screen brightness.

  

Unit of Measurement (C):

This setting will change the display units of the Aqua-

Hot. Either Fahrenheit or Celsius can be selected.

 

 

Aqua-Hot Diagnostics (D):

Tapping on this element will direct you to the Aqua-Hot’s 

built-in diagnostic, testing, and troubleshooting tools.

  

Quiet Mode (E):

This option toggles the Aqua-Hot’s quiet mode. Quiet 

mode is a setting where the speed and output of the 

heat exchanger fans is reduced to 80%. This is done to 

reduce noise of the heat exchangers.
Please note that this feature must be activated and 

deactivated as needed.

Configuring the Zones

Introduction:

Once the heat exchangers and thermostats have been wired 

to the Aqua-Hot, the Controller must be configured in order to 

correctly manage these zones.

Configuration:

In  order  to  configure  these  zones  for  first  use,  locate  the 

Aqua-Hot LCD screen and navigate to the Aqua-Hot Diagnostics 

section.

After holding the serial number section above, you will be 

presented with an options panel like the one shown below.

Tap OPTIONS, and then CLIMATE ZONES to access the climate 

zone configuration sub-menu.

Changing Zone Settings:

Once  the  Climate  Zone  section  has  been  accessed,  the 

information  below  will  explain  how  to  correctly  configure  the 

zones.

Tap and hold 3 

seconds anywhere 

in this section

Number of Zones (A):

The Aqua-Hot can control between 1 and 3 

heating zones within the RV. Modifying this 

will set the Controller to manage 1, 2, or 3 

heating zones.

Zone Settings (B):

Zone settings will change the way each zone 

is labeled on the home screen of the LCD, as 

well as the type of thermostat used in the RV 

interior.

Modifying “Temp Input” will change the type of 

signal that is expected by the Controller. 
•  Set to “Thermistor” if an interior thermistor 

is to be used.

• 

Set  to  “Thermostat”  if  a  traditional  ON/

OFF thermostat is to be used.

Modifying “Label” will change how the zone 

is displayed. There are three choices; Front, 

Mid, and Rear which correspond to the zones 

within the RV. See example below.

A

B

RV-Side 

Connections & 

Components

Inputs from RV

Outputs to RV

Aqua-Hot  

Connections & 

Components

Inputs from Aqua-Hot

Outputs to Aqua-Hot

Aqua-Hot 5in 

LCD Screen

Aqua-Hot 

Controller

Figure 85

A

B

C

E

D

Содержание AHE-125-DN1

Страница 1: ...Installation Manual 100Series AHE 125 DN1...

Страница 2: ...urging the Interior Heating Loop 41 Fuel Supply 42 Fuel System 43 Fuel Purge Procedure 46 External Diesel Burner Troubleshooting 47 System Checks 49 First Operation 50 Winterizing 51 Flow Diagram 52 A...

Страница 3: ...Aqua Hot 20 Aqua Hot to Heat Source port connected to Burner In Port 21 23 Aqua Hot from Heat Source port connected to Burner Out Port 21 23 RV Thermostats OR Thermistors wired to Aqua Hot 24 25 House...

Страница 4: ...ll shut down all fans heat sources and pumps until the unit is adequately refilled House Power Sense The Aqua Hot Controller contains within it a fail safe functionality known as House Power Sense Thi...

Страница 5: ...our on product identity label contains the specifications of your unit Factory settings may be adjusted by the vehicle manufacturer confirm final setting with your dealer This heating system has been...

Страница 6: ...2 NOTE This product label shown above is attached to the side of the burner and provides a ready reference to specifications test standards and important safety notices 1 Fluid Circulation Pump 2 Tem...

Страница 7: ...Aqua Hot in place on the RV floor Use at least 1 screw per mounting tab 3 tabs The best place for the Aqua Hot heating system is in a cabinet or storage space making sure there is ample space to remov...

Страница 8: ...OTE Avoid any bends or dips in the overflow tubing from the Aqua Hot Air can become trapped in these bends and will prevent excess antifreeze and water heating solution from depositing properly in the...

Страница 9: ...recommended to use a minimum of three mounting holes Do NOT mount the fuel pump higher than the fuel inlet on the burner see Figure 7 on Page 8 and the Fuel System section pages 40 44 for reference Hi...

Страница 10: ...the interior of the vehicle only the exterior Failure to do so can cause exhaust gas to leak inside the vehicle causing illness and or death The specifications and requirements must be followed carefu...

Страница 11: ...3041 Terminal TE Connectivity 828905 1 Wire Seal X6 Connector Figure 33 Figure 36 Figure 35 Diesel Burner Wire Harness The diesel burner and connectors will need to be properly installed Please note t...

Страница 12: ...ircuits Connecting the Burner to the Aqua Hot These instructions will cover the installation and connections for the diesel burner to the 125DN Installation Instructions 1 Mock up the locations for th...

Страница 13: ...ot re cut the thread multiple times The screw must be carefully inserted in the existing threads and screwed in by hand Burner Connections Retaining Plate 15mm Self Tapping Screw Plumbing Requirements...

Страница 14: ...ntacts Once the required hardware has been acquired wire the J8 plug according to the table below Pins J8 10 through J8 15 are not utilized Pin Number Function Connect To J8 1 Zone 1 Thermostat In Zon...

Страница 15: ...Special If for some reason pin J3 1 cannot be supplied with power supply 12V DC power to the J8 9 pin 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 J8 Wire Insertion View Shown J3 Wire Insertion View Shown Fig...

Страница 16: ...to the vehicle s AC electric system Connect the 3 pin Molex connector to the coach side AC electric system in order to utilize the Aqua Hot s AC heating element The Aqua Hot utilizes Molex 19403 and 1...

Страница 17: ...ly to be contaminated Aqua Hot advises against placing a heat exchanger on the slide out section of any vehicle due to the high probability of damage occurring to the heating loop from moving parts Fi...

Страница 18: ...installation principles can hinder the operation of the heat exchangers All plumbing should be installed as flatly as possible Extreme rises in height should be avoided to avoid any potential air tra...

Страница 19: ...nk is up at operating temperature Activate the external diesel burner to provide adequate heat for hot water needs The electric element will only provide light duty hot water The tempering valve is in...

Страница 20: ...e of zone thermostats used within the RV Section 1A demonstrates the appearance of the zone control section when ON OFF thermostats are used within the RV In this use case these buttons serve only as...

Страница 21: ...his option toggles the Aqua Hot s quiet mode Quiet mode is a setting where the speed and output of the heat exchanger fans is reduced to 80 This is done to reduce noise of the heat exchangers Please n...

Страница 22: ...ternal pump in the receptacle which contains the heating solution Make sure to select the correct glycol antifreeze product for the external heating source Failure to select the correct product could...

Страница 23: ...e fuel tank Vehicle Fuel Tank Figure 90 Fuel Supply Failure to follow instructions on the fuel delivery system can cause damage to the Aqua Hot 125DN the diesel burner or the RV It may cause serious p...

Страница 24: ...Clamp B Bubble B A A B NOTE The fuel lines must be secured and supported properly to avoid air traps or bubbles Avoid unnecessary dips or bends the line should not run downward from the fuel pump High...

Страница 25: ...omplexity Do not replace parts without correctly determining the failure Follow the directions below in order to troubleshoot the diesel burner Do not skip through the troubleshooting steps as this ma...

Страница 26: ...here should be substantial separation from the burner and the ground 7 There should be enough space between the vehicle body and any heat generating components like the exhaust and burner 8 Ensure the...

Страница 27: ...o perform the fuel line purge procedure on Page 44 prior to starting this initial start up of the burner Winterizing the Aqua Hot Not winterizing the Aqua Hot when freezing temperatures are present wi...

Страница 28: ...r and Diesel Burner DIESEL BURNER AUTO AIR BLEED AUTO AIR BLEED 3 WAY VALVE COOLANT TEE RECOVERY BOTTLE FILL PORT BALL VALVE 3 Way Valve Controls Coolant Flow Path For Interior or Hot Water Heating In...

Страница 29: ...eating Loop Purging the Heating Loop Aqua Hot 125DN Installation Manual REV 220419 Aqua Hot 125DN Installation Manual REV 220419 p 55 p 54 System Schematics ZONE THERMOSTATS System Schematics ZONE HEA...

Страница 30: ...ating Loop Purging the Heating Loop Aqua Hot 125DN Installation Manual REV 220419 Aqua Hot 125DN Installation Manual REV 220419 p 57 p 56 System Schematics EXTERNAL DIESEL BURNER System Schematics ELE...

Страница 31: ...he next step Adjust the Boundary Line Once the glycol solution has been properly applied adjust the calibration screw until the boundary line labeled Ethylene Glycol is set to 32 F The graphic to the...

Страница 32: ...Room Temperature Sensor Parts Accessories EXX 950 411 Grille 10 x 2 Cozy EXX 006 500 Grille Long 3 5 x 21 5 Black EXE 505 65A Heat Exchanger Whisper Silent 12V DC EXX 013 100 Nozzle Round 4 w o Connec...

Страница 33: ...FL1 Kit Fuel Line 125DN PLX 000 200 Tube Safety Stripe 12ft PLX 000 820 Fitting Elbow 90 Barb Black Nylon PLX 000 835 Fitting Reducer to Black Nylon Parts Accessories PLX 200 103 Fitting M NPT x Barb...

Страница 34: ...e 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 For addi...

Страница 35: ...ting Systems LLC 7501 Miller Drive Frederick CO 80504 Visit us online at www aquahot com Call us at 800 685 4298 or 303 651 5500 2022 Aqua Hot Heating Systems LLC Printed in the USA Installation Manua...

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