Vaillant VRT 392 Operating And Installation Manual

Contents

Vaillant VRT 392 Operating And Installation Manual Manual pdf 23 page image

3Installation Instructions VRT 3922 Description of the deviceThe VRT 392 is a programmable room temperaturethermostat for heating and hot water programmes foruse in combination with a Vaillant boiler (eBUS capable).The VRT 392 can also be used to control the followingaccessories:– Domestic hot water circulation pump in combinationwith a multi-function module VR 40– Ventilation installation– Conventional hot water cylinder– Vaillant layer cylinder actoSTOR– Commercially available 230 V components (e.g. valves,cylinder thermostats)Data exchange and power supply to the VRT 392 is viaeBUS interface.The VRT 392 is compatible with the Vaillantdiagnosis software vrDIALOG 810/2 and with the VaillantInternet Communication System vrnetDIALOG, i.e.for remote diagnosis and remote setting.230 V~132Fig. 2.1 System schematicKey1 VRT 3922 Boiler3 eBUS connection (twin-core)2.1 Identification plateThe identification plate is located on the rear of thecontroller electronics (printed circuit board).2.2 CE labelThe CE mark documents the fact that the Vaillant RoomThermostat VRT 392 fulfils the fundamentalrequirements of the following Directives:- Electromagnetic compatibility directive (Guideline89/336/EEC)– Low voltage directive (Guideline 73/23/EEC)2.3 Intended useThe room temperature thermostats VRT 392 are state-of-the-art appliances which are designed in accordancewith approved safety regulations.However, in the event of improper use or use not asintended, impairment of the equipment and other itemscan arise.The VRT 392 room thermostat is designed to control aheating system with or without a hot water system orhot water circulation pump according to time andtemperature, in connection with a Vaillant boiler with aneBus interface.Operation with the following accessories is permitted:– Circulation pump for hot water preparation incombination with a multi-function module VR 40– Ventilation installation– Conventional hot water cylinder– Vaillant layer cylinder actoSTOR– Commercially available 230-V components (e.g. valves,cylinder thermostats) in combination with the ControlCenter VR 65– 230 V cylinder thermostat in combination with therelay box VR 41Any other use or extended use is considered to be useother than intended. The manufacturer or supplier is notliable for any resulting damage. The user alone bearsany risk.Intended use also includes observing the operating andinstallation instructions and all other documents havingvalidity.Description of the device 2