This kit will enable a caller at an entrance point to signal an occupant in the dwelling by pressing a call button which will buzz an audio telephone inside. A two way conversation can take place once the telephone is answered and then if required, the occupant can release an electric lock release by pressing a button on the telephone. The kit does not include the electric lock release. A 12V AC release should be used with this kit.If this kit is to be used with a gate or other type of lock release then a 506N (Non timed) or 506T (Timed) relay will be required along with the appropriate PSU for the lock release. This kit comprises of a flush vandal resistant door panel, audio telephone and PSU. The door panel can be converted to surface by ordering the VR/SR1N surface back box. Up to a maximum of three telephones can be used on the system to call in parallel. 520M The power supply is the Art. Outputs of 12Vdc (200mA), 8Vdc (300mA) and 13Vac (1A) are available. The dc outputs are designed to power the amplifier modules only and can not be used to power other devices such as lock releases etc. These items must be connected to the AC output of this power supply. 3021 is a wall mountable AC buzzer telephone and includes a lock release push button. The wiring diagram towards the back of this manual should be followed carefully.
Heavy duty conductors on wiring diagrams are shown heavily outlined, These wires should be doubled up. Check that all components are free from damage before installing (Do not proceed with installation in the event of damage).Keep all packaging away from children. Do not obstruct the ventilation openings or slots on any of the devices. All connections to mains voltages must be made to the current national standards (IEE Wiring regulations) - Install an appropriate fused spur or isolation switch to isolate the mains. Isolate the mains before carrying out any maintenance work on the system.
All intercom and access control cables must be routed separately from the mains. The item "Videx 1 Way Door Entry System VDRK1 Vandal Resistant 537 Amp 520M PSU 3021" is in sale since Wednesday, February 27, 2019. This item is in the category "Home, Furniture & DIY\Home Security\Other Safety & Security".The seller is "h_harrold_and_sons" and is located in Sheffield, South Yorkshire. This item can be shipped to United Kingdom.