Viessmann vitotronic 300-k Operating Instructions Manual
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Viessmann vitotronic 300-k Operating Instructions Manual

Viessmann vitotronic 300-k Operating Instructions Manual

Multi boiler system with weather-compensated cascade control
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Operating Instructions

for use by heating contractor
Vitotronic 300-K, type MW2C
Multi boiler system with weather-compensated cascade control
VITOTRONIC 300-K
Certified as a component
part for Viessmann boilers
5516 971 - 03
04/2015
Vitotronic 300-K
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 vitotronic 300-k

  • Page 1: Operating Instructions

    Operating Instructions for use by heating contractor Vitotronic 300-K, type MW2C Multi boiler system with weather-compensated cascade control VITOTRONIC 300-K Vitotronic 300-K Product may not be exactly as shown IMPORTANT Read and save these instructions Certified as a component part for Viessmann boilers...

  • Page 2: Safety, Installation And Warranty Requirements

    Installers must follow local regulations with respect to installation of carbon monoxide detectors. Follow the Viessmann maintenance schedule of the boiler contained in this manual. Operating and Service Documentation It is recommended that all product documentation such as parts lists, operating and service instructions be handed over to the system user for storage.

  • Page 3: Table Of Contents

    Safety, Installation and Warranty Requirements....2 Safety About these Instructions..........4 For your Safety............4 Operation Where to Find the Controls..........7 Opening the Vitotronic 300-K........7 Cascade Control Programming Unit ......7 Switching on the Heating System.........9 Start-up/Shutdown Shutting Down the Heating System......9 Overview Operating Program............10 Time Program............11...

  • Page 4: About These Instructions

    All personnel working on the equipment or the heating - Installation Instruction and Service Instructions system must have the proper qualifications and hold - Operating Instructions Vitotronic 300-K all necessary licenses. Ensure main power to - Operating Instructions Vitotronic 200...
  • Page 5 Flue products contain poisonous carbon Note: Viessmann does not test any detectors and monoxide gas which can cause nausea or asphyxiation makes no representation regarding any brand resulting in severe personal injury or loss of life.
  • Page 6 Safety Vitotronic 300-K Operating For your Safety (continued) Frozen water pipe hazard Installation area conditions WARNING WARNING Failure to protect against frozen pipes could result in Incorrect ambient conditions can lead to damage to burst water pipes, serious property damage and/or the heating system and put safe operation at risk.

  • Page 7: Where To Find The Controls

    Vitotronic 200 As a result, display and settings on the Vitotronic 200 will only be accessible to a limited degree. Refer to the Vitotronic 300-K MW2C Installation and Service Instructions. Opening the Vitotronic 300-K The programming unit is located behind cover flap A.
  • Page 8 Operation Vitotronic 300-K Operating Cascade Control Programming Unit (continued) Boiler operating mode The flame symbol indicates the approximate current boiler heating output (in percent):  H Flame with g length 1 to 33% H Flame with h length 34 to 66%...

  • Page 9: Switching On The Heating System

    Start-up/Shutdown Vitotronic 300-K Operating Switching on the Heating System Refer to the applicable boiler Operating Legend Instructions for gauge location and minimum A ON/OFF switch operating pressure. B Fuse C ON indicator (green) D Fault indicator (red) 1. Check the heating system pressure at the pressure E Emissions test switch gauge (each boiler is equipped with a pressure gauge).

  • Page 10: Operating Program

    The operating program for the heating system can be set Symbol Operating program Function at the Vitotronic 300-K. There are 3 levels to the operating “Heating and DHW” H The rooms of the program as described on the right. selected heating Each heating circuit can be assigned it’s own operating...

  • Page 11: Time Program

    Overview Vitotronic 300-K Operating Time Program The following explains how to input the settings for a time program. The special features of individual time programs are allotted to the relevant chapters. You can set up a time program for the following...
  • Page 12 Overview Vitotronic 300-K Operating Time Program (continued) Copying a time program You can copy a time program to other days of the week. For example if, you want to copy this time program for Monday to Tuesday to Friday. From the home screen tap the following buttons: 1.

  • Page 13: Room Temperature

    Central Heating Vitotronic 300-K Operating Room Temperature Note: Further information can be found in chapter “Terminology” in the appendix. Setting standard room temperature for the selected heating circuit Factory setting: 68°F (20°C) Setting range: 37 to 99°F (3 to 37°C) From the home screen tap the following buttons: 1.

  • Page 14: Time Program

    Central Heating Vitotronic 300-K Operating Time Program Note: Further information can be found in chapter “Terminology” in the appendix. Setting the time program for central heating Factory setting: One time phase from 00:00 to 24:00 h for every day of the week From the home screen tap the following buttons: 1.

  • Page 15: Stopping Central Heating

    “Standby mode” (frost protection for the boiler and the DHW tank is active) 6. Tap “OK” to confirm Note: This process must be repeated for each heating circuit connected to the Vitotronic 300-K. Comfort Function “Comfort Mode” Setting “Comfort mode” From the home screen tap the following buttons: 1.

  • Page 16: Energy Saving Function "Economy Mode

    Central Heating Vitotronic 300-K Operating Energy Saving Function “Economy Mode” Setting “Economy mode” From the home screen tap the following buttons: 1. “Menu” 2. “Heating” 3. “Heating circuit 1”, “Heating circuit 2” or “Heating circuit 3” as the required heating circuit 4.

  • Page 17: Saving Function "Holiday Program

    Central Heating/DHW Heating Vitotronic 300-K Operating Energy Saving Function “Holiday Program” Setting “Holiday program” Note: The holiday program affects all heating circuits. If you want to make changes to this, contact your local heating contractor. The holiday program starts at 00:00 h (12:00 am) the day after the departure date.

  • Page 18: Dhw Temperature

    DHW Heating Vitotronic 300-K Operating DHW Temperature Factory setting: 122°F (50°C) Setting range: 80 to 140°F (10 to 60°C) From the home screen tap the following buttons: 1. “Menu” 2. “DHW” 3. “DHW temperature” for the required value 5. Tap “OK” to confirm...

  • Page 19: Dhw Time Program

    DHW Heating Vitotronic 300-K Operating DHW Time Program Note: Further information can be found in chapter “Terminology” in this manual. Setting the time program for DHW heating Factory setting: “Automatic” During operation with standard room temperature, DHW in the DHW tank is heated to the set DHW temperature.

  • Page 20: Stopping Dhw Heating

    DHW Heating Vitotronic 300-K Operating Time Program (continued) DHW heating once, outside the time program Note: The operating program “Heating and DHW” or “DHW only” must be set for at least one system heating circuit. Enable “Comfort mode” (see page 26) and immediately disable it again.

  • Page 21: Setting The Boiler Sequence

    Further Adjustments Vitotronic 300-K Operating Setting the Boiler Sequence Subject to the coding set and internal control calculations, the control unit offers various boiler sequences. This ensures that the boilers run equally. From the home screen tap the following buttons: 1.

  • Page 22: Naming Heating Circuits

    Further Adjustments Vitotronic 300-K Operating Naming Heating Circuits You can name all heating circuits individually. From the home screen tap the following buttons: 1. “Menu” 2. “Settings” 3. “Name for heating circuit” 4. Select “Heating circuit 1”, “Heating circuit 2” or “Heating circuit 3”...

  • Page 23: Language Selection

    Further Adjustments Vitotronic 300-K Operating Language Selection From the home screen tap the following buttons: 1. “Menu” 2. “Settings” 3. “Language” 4. Required language 5. Tap “OK” to confirm Setting Measuring Units From the home screen tap the following buttons: 1.

  • Page 24: Scanning Information

    Scanning Vitotronic 300-K Operating Scanning Information Subject to the components connected and the settings made, you can scan current temperatures and operating conditions. Information in the main menu is split into groups: H “General” H “Burner” H “Heating circuit 1”...

  • Page 25: Resetting Data

    Scanning Vitotronic 300-K Operating Scanning Information (continued) Service address If your heating contractor has entered their details, you can scan these. From the home screen tap the following buttons: 1. “Menu” 2. “Information” 3. “Service contact details” Each text box is limited to 45 characters.

  • Page 26: Scanning Fault Messages

    Scanning Vitotronic 300-K Operating Scanning Fault Messages Your display indicates if your heating system has developed faults. The red fault indicator flashes on the control unit enclosure (see chapter “Starting the heating system”). Tap “Close”. The footer shows Note: - If you have connected signalling equipment to indicate fault messages (e.g.

  • Page 27: Emissions Test Mode

    Emissions test mode should only be activated by your service technician during the annual inspection. 1. Set the emissions test switch on the Vitotronic 300-K (see chapter “Starting the heating system”) to the position. The following functions are activated: H The pumps are started.

  • Page 28: Rooms Are Too Cold

    Troubleshooting Vitotronic 300-K Operating Rooms are Too Cold Cause Remedy The heating system is off - Switch ON the ON/OFF switch on the control units (see page 9). - Switch ON the mains isolator, if installed (outside the boiler room).

  • Page 29: Rooms Are Too Hot

    Troubleshooting Vitotronic 300-K Operating Rooms are Too Hot Cause Remedy H Control unit incorrectly adjusted. Check the settings and correct if required: H The remote control (if installed) is set incorrectly. H Operating program (see page 13) H Room temperature (see page 13)

  • Page 30: Fault" Will Be Displayed

    DHW tank (if installed) be replaced with special cables or lines. Maintenance and cleaning should be carried out no Only use Viessmann cables / lines as replacement. later than 2 years after commissioning and as required For this, notify your qualified contractor.

  • Page 31: Overview Of Extended Menu

    Scanning Options Vitotronic 300-K Operating Overview of Extended Menu...

  • Page 32: Scanning Options Under "Information

    Scanning Options Vitotronic 300-K Operating Scanning Options under “Information” Note: Subject to the actual heating system equipment level, not all of the scans listed here may be available. You can scan more details on information marked with . General Heating circuit 1, 2, 3 “Outdoor temp”...

  • Page 33: Terminology

    Additional Information Vitotronic 300-K Operating Terminology Setback mode (reduced heating mode) Standard heating mode For periods when you will be at home during the day, See “Reduced heating mode”. heat your rooms to the standard room temperature. Set the periods (time phases) using the time program for Operating program central heating.
  • Page 34 Additional Information Vitotronic 300-K Operating Terminology (continued) Heating curve Heating curves illustrate the relationship between the outdoor temperature, the set room temperature and the boiler water temperature or supply temperature. The lower the outdoor temperature, the higher the boiler water temperature or supply temperature.
  • Page 35 Additional Information Vitotronic 300-K Operating Terminology (continued) Safety valve A safety device that must be installed in the cold water pipe by your heating contractor. The safety valve opens automatically to prevent excess pressure in the DHW tank. Solar circuit pump In conjunction with solar thermal systems.
  • Page 36 Vitotronic 300-K Operating...

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