Sensors & Switches

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LT 84-U

The D+H LT 84-U is a 24 V DC ventilation button for local OPEN, STOP and CLOSED control of one ventilation group. Its double-button mechanism uses two momentary normally open contacts and fits a 55 mm flush-mounted socket.

EBSA NZ supplies the LT 84-U as part of coordinated window automation and natural ventilation control systems.
LT 84-U-SD

The D+H LT 84-U-SD is a 24 V DC ventilation button with OPEN, STOP and CLOSED control plus an integrated LED readout for OPEN. It controls one ventilation group and fits a 55 mm flush-mounted socket.

EBSA NZ coordinates the switch, feedback connection, control panel and field wiring for the required operating sequence.
LT 84-U-V

The D+H LT 84-U-V is a 230 V AC ventilation button for OPEN, STOP and CLOSED operation of a compatible 230 V ventilation group. The buttons are mechanically interlocked, with STOP achieved by releasing the button.

EBSA NZ confirms the complete 230 V control and wiring arrangement before selection.
RACO2/T/F-U-D

The D+H RACO2/T/F-U-D is a surface-mounted room sensor for carbon dioxide, temperature and relative-humidity measurement. It supplies 0–10 V analogue signals for natural ventilation control through the CPS-M and the required ADM analogue/digital module.

EBSA NZ coordinates the sensor ranges, controller interfaces, setpoints, field wiring and commissioning sequence.
SLT 42-A Surface-Mounted Keyed Ventilation Switch

The D+H SLT 42-A is an IP54 surface-mounted aluminium keyed ventilation switch for OPEN / CLOSED operation of one ventilation group through a 24 V DC key-operated changeover contact. The PHZ 28 profile half-cylinder is selected separately.
SLT 42-U

The D+H SLT 42-U is a 24 V DC key-operated ventilation button for manual OPEN and CLOSED control of one ventilation group. Its single-pole changeover contact supports controlled access to window operation.

The PHZ 28 profile half-cylinder and installation housing are selected separately to suit the project.
TP-R2-S

The D+H TP-R2-S is a programmable HMI touch panel available with 7, 10 or 15-inch screens. It connects to CPS-M through Modbus RTU/TCP and the ACN-GW501-MRTU-0200 ACN/Modbus gateway, and can directly control D+H ACB drives for ventilation functions.

EBSA NZ defines the interface, screen functions, permissions and commissioning scope for each project.
VRS 10

The D+H VRS 10 is a compact 24 V DC rain sensor for D+H smoke ventilation and natural ventilation control panels. It has a heated sensing area and retains the rain signal for approximately two minutes.

The configured controller, available operating power and priority logic determine the connected window or louvre response.
WRS-S Wind and Rain Sensor

The D+H WRS-S combines adjustable wind monitoring and heated rain sensing in one 24 V DC weather sensor. It includes mast and wall mounting and provides approximately five-minute wind and rain signal retention for compatible D+H control systems.

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