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Table of Contents
- 1 Table of Contents
- 2 Pre-Installation Information
- 3 Storage Instructions
- 4 Mounting Heater
- 5 Plumbing Installation
- 6 Electric Installation
- 7 Start up Check List
- 8 Start up
- 9 Digital Controller Operation
- 10 Operational Tests
- 11 Product Options
- 12 Maintenance
- 13 Troubleshooting
- 14 Special Installation & Operating Instructions
- Download this manual
C2N shown with optional leg kit
215-1821 Rev. B; ECN 16-17-005
© 2016 Bradley
Page 1 of 17
5/3/2016
Installation
Keltech
C2N Series
®
Tankless Heater Models
C2N36, C2N50
Voltage options:
600V 3-phase
480V 3-phase
415V 3-phase
400V 3-phase
380V 3-phase
Table of Contents
Pre-Installation Information . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
Storage Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Mounting Heater . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Plumbing Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Electric Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Start Up Check List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Start Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Digital Controller Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Operational Tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-11
Product Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-13
Special Installation & Operating Instructions . . . . . . . . . . 14-17
A Subsidiary of Bradley
729 S. Grove St., Delton, MI 49046
+1 269 623 6395 800 999 4320
Fax: +1 269 623 6398
www.bradleycorp.com
Keltech Incorporated
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Summary of Contents for Keltech C2N363/600D
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Page 1: Table Of Contents
Special Installation & Operating Instructions . . . . . . . . . . 14–17 C2N shown with optional leg kit Keltech Incorporated A Subsidiary of Bradley 215-1821 Rev. B; ECN 16-17-005 729 S. - Page 2 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.
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Page 3: Pre-Installation Information
. 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: •... -
Page 4: Mounting Heater
C2N Series Tankless Heater Installation Packaging Crates are constructed from 3/4" (19mm) OSB . Crate dimensions approx: 44" x 28" x 12" (1118mm x 711mm x 305mm) Crates should not be stacked more than 2 high . All crates must be stacked evenly and horizontally . Safety issues related to packaging: •... -
Page 5: Plumbing Installation
C2N Series Tankless Heater Installation Plumbing Installation Install shutoff valve above (upstream of) the heater . inlet Components Needed: • (2) Union 3/4" Install one union on the water inlet side of the heater . Install one 100 Mesh (150 micron) Y-strainer •... -
Page 6: Electric Installation
WARNING Install product to rated line voltage in accordance to current local and national codes and regulations. WARNING All Keltech heaters must be fused in accordance with National Electric Code (NEC) for the full load amperage listed on the nameplate rating for each heater. -
Page 7: Start Up Check List
C2N Series Tankless Heater Installation Start Up Check List Plumbing System is set in a vertical, level, and upright position with the outlet located at the top . System is mounted to the wall using the (4) mounting brackets on the back of the enclosure or bolted to the floor with the optional leg kit . ... -
Page 8: Start Up
C2N Series Tankless Heater Installation Start Up WARNING Make sure the circuit breaker for the heater is OFF. Be sure that plumbing and electrical are complete per Start Up Check List. Slowly turn on water supply to the unit Energize the electrical service to the unit with the enclosure door open and the by switching on the circuit breaker . -
Page 9: Digital Controller Operation
C2N Series Tankless Heater Installation Digital Controller Operation The preprogrammed digital controller is mounted through the bezel on the enclosure door. The digital controller will be powered but the bottom display will read OFF until water is flowing through the heater. The bottom display will then display the setpoint temperature (See Digital Controller Operation section for more information). -
Page 10: Operational Tests
C2N Series Tankless Heater Installation Perform Operational Test No. 1 Ensure the enclosure door is closed Press the up or down arrow keys to prior to performing operation test. adjust the set temperature . The controller displays the temperature of water Set the 3-pole switch or circuit breaker to the measured at the outlet . -
Page 11: Product Options
FDA Approved for Food Contact (use in deionized water applications) . EXP2 (Explosion Proof Purge System): Keltech's EXP2 option makes heaters compliant for classified areas; Class I Division 2, Groups A, B, C, D, Temp Code: T5 . The Purge System requires a supply of clean instrument air or inert gas (provided by installer) . -
Page 12: Maintenance
C2N Series Tankless Heater Installation Maintenance Preventative maintenance is important for optimal performance of the heater . To ensure the heater works properly, always keep the inside of the enclosure dry . Moisture inside an enclosure increases the humidity, which condenses on cooler surfaces . -
Page 13: Troubleshooting
All internal breakers must be in the ON position for the unit to work . For additional information on Troubleshooting or other information, please call Keltech Inc . technical support at 1-800-999-4320 . Please have Model No . and Serial No . available when seeking technical assistance . Serial No . -
Page 14: Special Installation & Operating Instructions
Tankless Water Heaters With Optional Class I Division 2 Purge EXP2 Option General Information All Keltech Tankless Water Heaters with a model number suffix of – EXP2 have been fitted with a Z purge system to pressurize the enclosure suitable for use in Class I Division 2 Hazardous Locations . - Page 15 C2N Series Tankless Heater Installation Purge Gas Supply Notes An alarm shall be provided to indicate failure of the protective gas supply to maintain the required pressure . Piping for the protective gas shall be protected against mechanical damage . Where the compressor intake line passes through a classified location, it shall be constructed of noncombustible material, designed to prevent leakage of flammable gases, vapors, or dusts into the protective gas, and protected against mechanical damage and corrosion .
- Page 16 “Pressurized” indicator is green! Commissioning Test Commissioning Continuous Flow Keltech Option EXP2 System: 1 . Open the air or gas supply shutoff valve . 2 . Adjust the Flow Control Valve (FCV) so that the enclosure pressure rises to the point where the "Pressurized"...
- Page 17 C2N Series Tankless Heater Installation Special Installation Maintenance Routine Maintenance of the System (Every 6 months) Recommended maintenance of the systems is as follows: Repeat Commissioning test at least every six months . The test includes checking the opening pressure of the Relief Valve, setting of the Minimum Pressure Sensor, the “Normal Working Pressure”...
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