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Keltech HL Series Installation Instruction

Summary of HL Series

  • Page 1

    729 s. Grove st., delton, mi 49046 tel: 269-623-6395 • 800-999-4320 fax: 269-623-6398 sales@keltech-inc.Com • www.Keltech-inc.Com installation 215-1823 rev. A; ecn 150023 © 2015 keltech page 1 of 20 11/24/2015 hl-series tankless heater models hl05 hl06 hl10 & l10 hl12 hl15 & l15 hl18 & l18 voltage o...

  • Page 2: Danger

    2 hl-series tankless heater installation 11/24/2015 keltech • 215-1823 rev. A; ecn 150023 danger tipover hazard. System can crush you resulting in serious injury or death. Read and follow precautions in this installation manual that accompanied the heater for instructions on how to safely transport ...

  • Page 3: Pre-Installation Information

    3 installation hl-series tankless heater keltech • 215-1823 rev. A; ecn 150023 11/24/2015 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 t...

  • Page 4: Mounting Heater

    4 hl-series tankless heater installation 11/24/2015 keltech • 215-1823 rev. A; ecn 150023 mounting heater 1 warning high voltage shock. Disconnect power supply before performing any work inside the heater enclosure. For best results, install heater as close as possible to the point of use. Installat...

  • Page 5: Plumbing Installation

    5 installation hl-series tankless heater keltech • 215-1823 rev. A; ecn 150023 11/24/2015 plumbing installation 2 b install one union on the water inlet side of the heater . Install one 100 mesh (150 micron) y-strainer above (upstream of) union . Install one union on the water outlet side of the hea...

  • Page 6

    6 hl-series tankless heater installation 11/24/2015 keltech • 215-1823 rev. A; ecn 150023 plumbing installation cont... 2 25-1/2" (648) 3/4" female npt outlet 11" (279) 3/4" female npt inlet 2-5/16" (59) 2" (51) 24" (610) 14-1/2" (368) 16" (406) 7" (178) n4 8-3/4" (222) n4x dimensions, plumbing and ...

  • Page 7: Electric Installation

    7 installation hl-series tankless heater keltech • 215-1823 rev. A; ecn 150023 11/24/2015 electric installation 3 b nema 1: a pre-cut hole is already sized for conduit connection . Skip to step c . Nema 4/4x: using a hole punch, cut a hole the proper size for conduit connection; large enough for the...

  • Page 8: Start Up Check List

    8 hl-series tankless heater installation 11/24/2015 keltech • 215-1823 rev. A; ecn 150023 start up check list 4 plumbing system is set in a vertical, level, and upright position with the outlet located at the top (installing the heater on its back, for example, will trap air in the heat exchanger) ....

  • Page 9: Start Up

    9 installation hl-series tankless heater keltech • 215-1823 rev. A; ecn 150023 11/24/2015 start up 5 a slowly turn on water supply to the unit with the enclosure cover open and the breaker in the off position . C turn off the connected process and check the entire system to verify leak-free installa...

  • Page 10

    10 hl-series tankless heater installation 11/24/2015 keltech • 215-1823 rev. A; ecn 150023 nema 1 digital controller operation 6 keys and displays function setpoint up and down buttons in the home page, adjusts the set point in the right display . In other pages, changes the upper display to a highe...

  • Page 11

    11 installation hl-series tankless heater keltech • 215-1823 rev. A; ecn 150023 11/24/2015 nema 4/4x digital controller operation 7 keys and displays upper display lower display function setpoint up button increases output temperature setpoint down button decreases output temperature infinity key ba...

  • Page 12

    12 hl-series tankless heater installation 11/24/2015 keltech • 215-1823 rev. A; ecn 150023 perform operational test no. 1 perform operational test no. 2 7 8 b start the water flow through the heater by starting the process or fixture this heater is connected to in order to activate heater . A turn o...

  • Page 13: Product Options

    13 installation hl-series tankless heater keltech • 215-1823 rev. A; ecn 150023 11/24/2015 output heating capacity is reduced on the 480v units if these heaters are installed on 415v or 380v single or three phase . Contact the factory to supply this information . Satisfactory performance of the heat...

  • Page 14: Maintenance

    14 hl-series tankless heater installation 11/24/2015 keltech • 215-1823 rev. A; ecn 150023 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 increas...

  • Page 15

    15 installation hl-series tankless heater keltech • 215-1823 rev. A; ecn 150023 11/24/2015 troubleshooting for controller problem solution no power verify power is on . Turn power off . Check continuity of all internal fuses in control transformer, heating elements or optional fused disconnect circu...

  • Page 16: Basic Troubleshooting

    16 hl-series tankless heater installation 11/24/2015 keltech • 215-1823 rev. A; ecn 150023 basic troubleshooting problem solution the heater does not work or works intermittently . Flow switch works properly . At the wires from the flow switch, ohm meter should read open without flow and closed with...

  • Page 17: Exp2 Installation Notes

    17 installation hl-series tankless heater keltech • 215-1823 rev. A; ecn 150023 11/24/2015 special installation and 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 – ...

  • Page 18: Purge Gas Supply Notes

    18 hl-series tankless heater installation 11/24/2015 keltech • 215-1823 rev. A; ecn 150023 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...

  • Page 19: Is Installation Continued…

    19 installation hl-series tankless heater keltech • 215-1823 rev. A; ecn 150023 11/24/2015 is installation continued… all quarter turn latches in the door of the pe must be fully latched for proper operation . Power to the pe must be turned off before opening the enclosure . Warning this pressurized...

  • Page 20

    20 hl-series tankless heater installation 11/24/2015 keltech • 215-1823 rev. A; ecn 150023 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...