D+H | Source: www.dh-partner.com                        18.04.2026

CNV control panel - WRZ
for controlling 230 V AC drives

Performance features:
Compact ventilation control panel for controlling 230 V AC ventilation drives.
For controlling up to 20 ventilation groups in conjunction with cut-off relay modules.
Input for external controller, e.g. timer.
Central weather monitoring function (central CLOSED) in conjunction with multiple TRL 8.
With LED displays for wind and rain.
Adjustable switch point of the wind strength (4 or 6 Bft.).
Exceeding wind switching threshold and automatic mode ON / OFF.
Possibility of controlling every single group via vent button and temperature controller.
Optional connection of wind/rain sensor and room temperature control without an additional module.
Surface-mounted design.

Technical data:
Supply: 230 V AC / 50 Hz / 30 VA
Stand-by power: 2.4 W
Switching contact: 1 floating changeover contact
(max. 230 V AC / 5 A)
Switching output: 24 V DC / 0.5 A for
parallel control (TRL 8)
Switching capacity: Max. 1150 VA (max. 8 D+H drives) at 230 V AC
Type of protection: IP 52
Temperature range: -5 °C … +40 °C
Housing: Plastic
Colour: Light grey (~ RAL 7035)
W x H x D : 172 x 151 x 95 mm
Weight: 1.65 kg

Scope of supply:
Ventilation control panel, instruction for use

Brand: D+H
Type: WRZ
Art. No.: 30.203.00

Quantity: .......... psc     Price: ................. GBP     TP: ................. GBP

Important information:

This product description does not constitute a tender. The responsibility for compliance with public procurement law requirements lies with the tendering planner or architect.

Installation and commissioning in accordance with the manufacturer's instructions.

Subject to technical changes.