Viessmann VITOTRON 100 Installation And Service Instructions Manual
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Viessmann VITOTRON 100 Installation And Service Instructions Manual

Electric space heating hot water heater
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Installation and Service
Instructions
For use by heating contractor
Vitotron 100 VLN2
Models 04 to 14.4
Wall-mounted electric space heating hot water heater
Heating input: 13.6 to 49.1 MBH
4.0 to 14.4 kW
VITOTRON 100
5472 726 - 02
08/2022
Product may not be exactly as shown
IMPORTANT
Read and save these instructions
for future reference.
Please file in Service Binder

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Summary of Contents for Viessmann VITOTRON 100

  • Page 1 Installation and Service Instructions For use by heating contractor Vitotron 100 VLN2 Models 04 to 14.4 Wall-mounted electric space heating hot water heater Heating input: 13.6 to 49.1 MBH 4.0 to 14.4 kW VITOTRON 100 Product may not be exactly as shown...

  • Page 2: Table Of Contents

    Table of Contents Vitotron 100 Electric Space Heating Hot Water Heater Installation/Service Page Instructions for the Installer Safety Instructions .............3 Space Heating Hot Water Heater Ratings and Specification ............4 Space Heating Hot Water Heater Mounting Clearances..5 Piping Arrangement ............6 Sizing the Space Heating Hot Water Heater ....7...

  • Page 3: Instructions For The Installer

    Instructions for the Installer Vitotron 100 Electric Space Heating Hot Water Heater Installation/Service Safety Instructions 8. This space heating hot water heater is equipped 1. Read and strictly follow the installation and operating with a 194°F manual reset safety high limit device.

  • Page 4: Space Heating Hot Water Heater Ratings And Specification

    Instructions for the Installer Vitotron 100 Electric Space Heating Hot Water Heater Installation/Service Space Heating Hot Water Heater Ratings and Specifications Space Heating Hot Water VLN2 04 VLN2 06 VLN2 08 VLN2 12 VLN2 14.4 Heater Model Space Heating 14.4...

  • Page 5: Space Heating Hot Water Heater Mounting Clearances

    Instructions for the Installer Vitotron 100 Electric Space Heating Hot Water Heater Installation/Service Space Heating Hot Water Heater Mounting Clearances IMPORTANT After reading instructions, please keep this manual with the space heating hot water heater for future reference. Affix the plastic holder to the outside of the space heating...

  • Page 6: Piping Arrangement

    Instructions for the Installer Vitotron 100 Electric Space Heating Hot Water Heater Installation/Service Piping Arrangement Typical radiant floor heating application 1 Space heating hot water heater 2 Additional expansion tank - if needed Space heating hot water heater piped in a primary/ secondary (P/S) configuration.

  • Page 7: Sizing The Space Heating Hot Water Heater

    Instructions for the Installer Vitotron 100 Electric Space Heating Hot Water Heater Installation/Service Sizing of the Space Heating Hot Water Heater It is very important to conduct a heatloss analysis of the intended heated space. Select the space heating hot water heater size in kW based on its Btu/hr.

  • Page 8: Plumbing Installation Guidelines

    Instructions for the Installer Vitotron 100 Electric Space Heating Hot Water Heater Installation/Service Plumbing Installation Guidelines 1. Remove outer screws at the bottom and at the top of space heating hot water heater and carefully open the front cover. 2. The space heating hot water heater is wall hung and must be installed in a vertical position where plumbing connections are located at the bottom.
  • Page 9 Instructions for the Installer Vitotron 100 Electric Space Heating Hot Water Heater Installation/Service Plumbing Installation Guidelines (continued) 9. When possible, fill the space heating water heater and hydronic system with treated water. (i.e. soft or distilled water) This will substantially extend the life of the heating elements and reduce sediment buildup.

  • Page 10: Electrical Installation

    Instructions for the Installer Vitotron 100 Electric Space Heating Hot Water Heater Installation/Service Electrical Installation Electrical Wiring Diagram For supply connections, use 10 awg or larger wires suitable for at least 167°F (75°C) 1. All electrical work should be completed in accordance to local or state electrical and building codes.
  • Page 11 Instructions for the Installer Vitotron 100 Electric Space Heating Hot Water Heater Installation/Service Electrical Installation (continued) 5. The circulating pump requires a separate 120VAC, 15 amp electrical circuit. Utilize b in. electrical knockout as marked on the left side of cabinet to access circulating pump wiring connections inside space heating water heater.

  • Page 12: Instructions For The User

    Instructions for the User Vitotron 100 Electric Space Heating Hot Water Heater Installation/Service Control Panel The control panel consists of two working areas: the The control panel allows the user to identify flow rate signaling area and control buttons. The user can select...

  • Page 13: Heating Mode / Initial Start-Up

    Instructions for the User Vitotron 100 Electric Space Heating Hot Water Heater Installation/Service Heating Mode / Initial Start-Up 3. If 120VAC power is connected to the circulating 1. To set in the heating mode press the power button. pump, turn control panel on...
  • Page 14 Instructions for the User Vitotron 100 Electric Space Heating Hot Water Heater Installation/Service Winter Mode (Heating Mode) (continued) SUPPLY WATER TEMPERATURE VIEW INDICATOR DETAILS The LED in the first location on the display indicates automatic setting, according to the heating curve and offset (see parameters 4 and 5 in advanced settings). This is active only when the outdoor sensor is wired to Text terminals on control panel.
  • Page 15 Instructions for the User Vitotron 100 Electric Space Heating Hot Water Heater Installation/Service Winter Mode (Heating Mode) (continued) Special start-up procedure (when the system is filled with To use the outdoor compensation option refer to outdoor an antifreeze solution) compensation graphs on page 14. The outlet temperature is adjusted depending on the outdoor temperature.

  • Page 16: Summer Mode (Stand-By Mode)

    Instructions for the User Vitotron 100 Electric Space Heating Hot Water Heater Installation/Service Summer Mode (Stand-by Mode) IMPORTANT Do not shut off the power supply between heating seasons. To set the space heating water heater to summer or stand-by mode press and hold power button for 3 seconds.

  • Page 17: Advanced Settings

    Instructions for the User Vitotron 100 Electric Space Heating Hot Water Heater Installation/Service Advanced Settings For advanced settings switch the control panel to stand-by mode. First press and hold power button for 3 seconds and release. Then press and hold the...

  • Page 18: Troubleshooting

    Instructions for the User Vitotron 100 Electric Space Heating Hot Water Heater Installation/Service Troubleshooting Do not attempt to service this space heating water heater Failure to service properly may lead to further damage to unless you have been trained in all aspects of its functionality components.

  • Page 19: General Space Heating Hot Water Heater View

    Instructions for the User Vitotron 100 Electric Space Heating Hot Water Heater Installation/Service General Space Heating Water Heater View...

  • Page 20: Parts List

    Instructions for the User Vitotron 100 Electric Space Heating Hot Water Heater Installation/Service Part List Legend 1 Wiring Entrance 7 Manual Reset High Limit Device 2 Control Panel 8 Heating Element 3 Pump 9 Flow and Outlet Temperature Sensor 4 Pressure Relief Valve...

  • Page 21: Space Heating Hot Water Heater Parts

    Instructions for the User Vitotron 100 Electric Space Heating Hot Water Heater Installation/Service Space Heating Water Heater Parts Part Number Description 7873767 AUTOMATIC AIR-VENT VALVE VLN2 7636748 GASKET 1.5X8X14.8 VLN2 7857710 GASKET 1.5 X 11.7 X 18.2 VLN2 7636745 GASKET 2 X 20 X 30 VLN2 7873768 EXPANSION VESSEL 6L G1/2"...
  • Page 22 Vitotron 100 Electric Space Heating Hot Water Heater Installation/Service...
  • Page 23 Vitotron 100 Electric Space Heating Hot Water Heater Installation/Service...
  • Page 24 Vitotron 100 Electric Space Heating Hot Water Heater Installation/Service Scan for digital copy of this document...

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