trutankless TR36 - Initial Operation and Maintenance; Post-Installation Startup Procedures; System Checkup Recommendations

INSTALLATION AND OPERATION GUIDE
25
4
5
6
Switch ON the trutankless unit circuit breakers. The controller powers up and the LCD screen displays the
Startup screen for approximately 4 seconds.
Open a hot water tap inside the building and allow it to flow for a minimum of two (2) minutes to purge air from
HEX and protect unit from dry fire.
NOTE: The trutankless unit must sense active water flow before it will allow the elements to heat. The LCD
screen will be in lockout mode for a period of 120 seconds (2 minutes) while the water fills the heating tubes
completely and the startup sequence completes.
This completes the installation procedure. The trutankless Water Heater is now in service. Operation is as
simple as opening a hot water tap. The unit will then begin heating water and can typically reach the set-point
temperature in as little as 15-30 seconds.
NOTE: Remember that water already in the supply line may be cold, so it may take somewhat longer for the
hot water to reach the faucet. Upon closing the hot water tap, the unit automatically returns to standby mode.
That’s all there is to operating your trutankless Water Heater!
MAINTENANCE
trutankless units have been designed maintenance free*, yet periodic system checks are recommended.
*In areas where the water hardness exceeds 180 PPM or 10.5 grains/gallons, a water soener or filter needs to be installed
and system checks, particularly of sedimentation accumulation in the flow sensor, should be carried out annually. Failure
to install a filtration or soening system in areas with very hard water voids this warranty completely.
SYSTEM CHECKUP
WARNING: Always turn o the power circuit breakers at BOTH the main electrical panel and at the unit access panel!
High voltage is present in the system. Personal injury or death can result if caution is not taken!
The following items should be checked at each inspection:
• Flow Sensor (paddle wheel clear of any sediment)
• Breakers (corrosion)
• Inlet pipe connection (is it tight and dry?)
• Outlet pipe connection (is it tight and dry?)
• Flush Pipe Connection (is it tight and dry?)
• Surrounding heater – Clean and free of dust and debris
In case of an error message from the trutankless MODEL TR Residential Water Heater, turn o all the hot water faucets
Wait for one minute. Turn a hot water faucet back on. If the error message persists, call your licensed contractor or
authorized service technician.
DO NOT ATTEMPT TO SELF-SERVICE THE UNIT!