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Installation
Pre-Installation Information
General Information
The Keltech Tankless Water Heater provides instant and precise temperature-controlled hot water . To insure proper
performance, install the heater according to the following installation instructions and in compliance with applicable
national and local codes .
Keltech can supply heaters for most commercial and industrial hot water applications . Flow rates and temperature
figures are important for proper sizing . If needed to meet certain temperature demands, flow control devices are
readily available . See Temperature Rise Specifications Chart . Contact KELTECH, INC. for further information on
available flow control devices .
Operation and Setup
C2N Series heaters supply an unlimited amount of hot water with specific flow and temperature rise capabilities .
These heaters are energy efficient, reliable, and provide optimum performance in the most demanding applications .
Application Specific Requirements
The C2N Series can be used in many different applications that require custom tuning for specific applications to
maximize performance of the heater .
For use in a recirculation loop, the incoming loop temperature should not exceed 140°F (60°C) .
For applications utilizing quick close valves or solenoid valves, it is important to install a hammer arrestor or surge
tank close to the point of use to absorb pressure spikes .
Installation Considerations
Maximum operating pressure: 150 psi (10 bar)
Standard flow activation: 0 .75 gpm (2 .8 lpm)
Certifications
Keltech Electric Tankless Water Heaters are certified by ETL to UL499, UL50E, CSA22 .2 No 88 and NFPA 496
(for hazardous locations) and third party certified to NSF/ANSI 372 . Heaters are compliant to NEC/NFPA 70 and
Canadian Electrical Code C22 .1 .
WARNING For safe operation of the heater, observe all the warning labels as indicated.
Storage Instructions
NOTICE! Keep Keltech Electric Tankless Water Heaters stored in original packaging until installation.
Recommended storage criteria:
Store Keltech Electric Tankless Water Heaters where temperatures exceed 35°F (2°C) at all times .
Indoor storage is recommended .
Minimize excessive on-site transport to reduce risk of shock and impact damage .
Alternate storage:
If in the original crate, Keltech Electric Tankless Water Heaters will withstand outside storage for approximately 1
month in most climates . Crate may not be capable of protecting the heater if left outside longer than this time frame .
If the Keltech Electric Tankless Water Heater is stored in an outdoor environment, care should be taken to protect the
heaters from:
• Rain or other falling precipitation via tarp or other waterproof media .
• Runoff and accumulation of groundwater from any source that may exceed 1 inch (25mm) .
Bradley • 215-1821 Rev. B; ECN 16-17-005
C2N Series Tankless Heater
5/3/2016
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