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HL-Series Tankless Heater
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 table for specifications . Contact KELTECH, INC. for further information on
available flow control devices .
Operation and Setup
HL-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 HL-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: 150psi (10 bar)
Standard flow activation: 0 .5 gpm (1 .9 lpm)
Certifications
Keltech Electric Tankless Water Heaters are certified by ETL to UL499, cETL listed to CSA-C22 .2 No . 88 and third
party certified to NSF/ANSI 372 .
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 35ºF (2º C) at all times .
Indoor storage is required .
Minimize excessive on-site transport to reduce risk of shock and impact damage .
Packaging
Box dimensions approx: 30" x 15" x 6" (762mm x 381mm x 152mm)
All boxes must be stacked evenly and horizontally .
Safety issues related to packaging:
• Product should be transported with the care associated to packages labeled "FRAGILE" even if packaging is not
marked accordingly .
• Standard safety procedures for forklift transport and large items less than 1000lbs (454 kgs) should be followed at
all times .
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3/29/2018
Bradley • 215-1823 Rev. F; ECN 18-17-017
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