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VIESMANN Installation and service instructions for contractors Vitotrol 300-A Remote control For applicability, see the last page VITOTROL 300-A Please keep safe. 5784 752 GB 8/2016...
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Hot surfaces can cause burns. Replace faulty components only with genuine ■ Before maintenance and service work, switch Viessmann spare parts. OFF the appliance and let it cool down. Never touch hot surfaces on the boiler, burner, ■ flue system or pipework.
For replacements, use only original spare parts supplied or approved by Viessmann. Safety instructions for operating the system If you smell gas Condensate Danger...
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Disposal of packaging ................Symbols ....................Intended use ..................Installation sequence Installation location ................Installing and connecting the Vitotrol 300-A .......... Connecting several remote control units ..........Installing and removing the programming unit ........Commissioning Configuring the remote control .............. 10 Troubleshooting Fault display ...................
Please dispose of packaging waste in line with statu- tory regulations. DE: Use the disposal system organised by Viessmann. AT: Use the ARA statutory disposal system (Altstoff Recycling Austria AG, licence number 5766). CH: Packaging waste is disposed of by the HVAC contractor.
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Install and operate the appliance as intended, in con- junction with the electronic control units and controllers for the Viessmann heat and power generators designed for this system. Also take account of the rele- vant installation, service and operating instructions. In particular, observe the current and voltage specifica- tions for connections and hook-ups.
Not near heat sources (direct sunlight, fireplace, sor, part no. 7438 537. – TV set, etc.) Installing and connecting the Vitotrol 300-A Please note Electronic assemblies can be damaged by elec- trostatic discharge. Prior to commencing any work, touch earthed objects such as heating or water pipes to dis- charge static loads.
Separate room temperature sensor NTC 10 k Ω KM-BUS connection (accessories) Note When replacing the Vitotrol 300-A, also replace the room temperature sensor. Connecting several remote control units Vitotrol 200-A and Vitotrol 300-A can be connected jointly to a Vitotronic control unit.
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To the control unit (see connection diagram on To the control unit (see connection diagram on page 8) page 8) Vitotrol 300-A Vitotrol 300-A KM-BUS distributor or on-site junction box KM-BUS distributor or on-site junction box Max. total length of all KM-BUS cables 50 m.
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Vitoligno solid fuel boilers, up to 4 heating circuits can be controlled. A Vitovent ventilation system can also be operated. Up to two Vitotrol 300-A can be connected to one Vitotronic. 1. Switch ON the power supply at the control unit.
Troubleshooting Fault display In the event of a fault, the symbol flashes on the dis- play and "Fault" is shown. Call up the cause of the fault by pressing OK. Fault Fault Acknowledge with Fig. 7 Some faults are displayed as plain text. For an explanation of the fault codes, see instal- lation and service instructions for the respective control unit.
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Parts lists (cont.) Pos. Part 0001 Programming unit 0002 Wall mounting base 0003 Cover, wiring chamber 0004 Fixing materials and plugs 0005 Installation instructions 0006 Operating instructions...
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Specification Specification Power supply Via KM-BUS Power consumption Protection class IP rating IP 30 Permissible ambient temperature During operation °C 0 to 40 ■ During storage and transport °C 20 to +65 °C − ■ Set room temperature setting range °C 3 to 37...
Certificates Declaration of conformity Vitotrol 300-A We, Viessmann Werke GmbH & Co. KG, D-35107 Allendorf, declare as sole responsible body that the named product complies with the provisions of the following directives and regulations: 2014/30/EU EMC Directive 2014/35/EU Low Voltage Directive...