2
CNA-Series Tankless Heater
Installation
7/13/2015
Keltech •
215-1814 Rev. C; ECN 150010
DANGER
Tipover hazard. System can crush you resulting in serious injury or death. Read and follow precautions in
this installation manual for instructions on how to safely transport and mount. Do not transport with the
heater in the vertical position. This heater is top heavy and should not be placed in the vertical position until
the site is prepared to anchor the legs to the floor.
WARNING
Read this manual BEFORE using this equipment. Failure to read and follow all safety and user information
could result in death, serious personal injury, minor burns, property damage, or damage to the equipment.
Keep this Manual for future reference. Failure to comply with proper installation and maintenance instructions
could contribute to the heater’s failure.
A qualified plumber or electrician should install and service this system. Install system according to these
instructions and in compliance with national and local codes.
ASSE standard 1016, 1069 or 1070 listed devices should be used at fixtures to prevent possible injury. Severe
bodily injury including scalding, chilling, and/or death may result depending upon system water pressure
changes and/or supply water temperature changes.
For safe operation of the heater, observe all warning labels as indicated.
Water heater system under pressure. Do not open enclosure while in operation.
These heaters should never be used to provide “anti-scald” or “anti-chill” service.
Hazardous voltage inside enclosure may result in serious burns or death. Disconnect power supply before
performing any work in the enclosure.
Failure to ground this system may result in death or serious injury.
Make sure that all water supply lines have been flushed and then completely turned off before beginning
installation. Debris in supply lines can cause valves to malfunction.
CAUTION
Hot pipes! Do not touch. May cause minor burns.
NOTICE
These heaters do not provide protection from supply or outlet pipe freezing.
Consult local building and plumbing codes prior to installation. Should these codes differ from the information
in the Manual, follow the local codes. Inquire with governing authorities for additional local requirements.
Regular checking and cleaning of the heater’s internal components and check stops is necessary for maximum
life and proper product function. Periodic inspection and yearly maintenance by a licensed contractor is
required. Corrosive water conditions, and/or unauthorized adjustments or repairs could render the heater
ineffective for its intended service. Frequency of cleaning and inspection depends upon local water
conditions. For heaters with adjustable output temperatures, check and adjust as needed at initial installation
and on a quarterly basis.
IMPORTANT
Read this entire installation manual to ensure proper installation. When finished with the installation, file this
manual with the owner or maintenance department. Compliance and conformity to local codes and ordinances
is the responsibility of the installer. Product warranties may be found under “Products” on our Web site at
www.keltech-inc.com.
Separate parts from packaging and make sure all parts are accounted for before discarding any packaging
material. If any parts are missing, do not begin installation until you obtain the missing parts.
A qualified plumber or electrician should install and service this system. Install system according to these
instructions and in compliance with national and local codes.