3
California Proposition 65 lists chemical sub-
stances known to the state to cause cancer,
birth defects, death, serious illness, or other
reproductive harm. This product may contain
such substances or such substances may be
formed from combustion of fuel (gas) or be
components of the product itself.
Intended use
The Truma AquaGo® instant water heater (appli-
ance) may be used only to heat water in recre-
ational vehicles (RVs) that are used for recre-
ation, travel, or camping.
RVs are recreational vehicles designed as tem-
porary living quarters for recreation, camping,
or travel use. Such vehicles have their own
power or are towed by another vehicle.
Prohibited use
Any use other than the intended use (see above)
is prohibited.
Examples of prohibited use:
• Use in a marine environment.
• Use as part of a space heating system.
• Use in mobile homes.
• Use in food trucks or roadside food vending
vehicles.
• Use in construction trailers.
• Use as a pool heater.
Table of Contents
Overview / Designation of parts ......................................... 2
Intended use .......................................................................... 3
Prohibited use ........................................................................ 3
Consumer Safety Information
Safety symbols and signal words ...................................... 4
Safety behavior and practices ............................................. 4
Safety features ...................................................................... 6
Operating Instructions
How the appliance works .................................................... 7
Pressure relief valve .............................................................. 8
Access door ............................................................................ 8
Opening the access door ......................................................... 8
Removing the access door ....................................................... 9
Closing the access door ........................................................... 9
Starting the appliance .......................................................... 9
Inspections before each use .................................................... 9
Operating procedures ............................................................. 10
Switching ON the appliance ................................................... 11
Operating modes (control panel) ............................................ 11
Switching OFF the appliance ................................................. 12
Winter operation ................................................................. 12
Only AquaGo® comfort / AquaGo® comfort plus .................... 13
Winterizing ........................................................................... 13
Winterizing the appliance ....................................................... 13
Winterizing the RV with a winterizing fluid ............................ 14
AquaGo® technical data ...................................................... 14
Maintenance ........................................................................ 15
Draining the water and cleaning the water inlet filter ............ 15
Decalcification ..................................................................... 16
Decalcification frequency ....................................................... 16
Decalcification (models without control panel) .................... 17
Decalcification (models with control panel) .......................... 17
Interrupting decalcification ..................................................... 20
Accessories .......................................................................... 21
Troubleshooting .................................................................. 22
“AquaGo” MANUFACTURER LIMITED WARRANTY ..... 24
Installation Instructions
Safety behavior and practices ........................................... 25
Selecting a suitable location ............................................. 26
Preparing for installation ................................................... 27
Preparing the installation site ................................................. 27
Preparing the gas connection ................................................ 28
– Gas side connection ............................................................ 28
– Gas rear connection ............................................................ 29
Preparing the water connection ............................................. 29
Preparing the 12 V DC electrical connection ......................... 30
Mounting the control panel .................................................... 30
Connection diagrams ............................................................. 31
Installing the appliance ...................................................... 32
Connecting the gas line (gas side connection) ...................... 33
Connecting the gas line (gas rear connection) ....................... 34
Functional check ................................................................. 36
APPENDIX A – Error Codes ................................................ 37
APPENDIX B – Functional Diagram .................................. 38
APPENDIX C – Spare Parts (all models) ........................... 39
APPENDIX D – Electrical Connection Diagram ............... 40
APPENDIX E – Notes for painting the access door and
cover plate ............................................................................ 41