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Siemens RXC22.5/00022 Room Controller

  • Siemens RXC22.5/00022 Room Controller
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Siemens RXC22.5/00022 Room Controller

€185,00
€185,00
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Siemens RXC22.5/00022 Desigo Room Controller — LonWorks, Fan Coil / Electric Reheat Control

DIN-rail room automation controller for fan coil, chilled ceiling, and radiator systems

Overview

This is a Siemens Desigo RXC22.5/00022, a room controller from the RXC room automation series, built for precise temperature regulation in fan coil systems, chilled ceilings, and radiator installations. It communicates over a LonWorks bus and connects to PPS2-compatible room units, with the factory-loaded OOO22 application configured for 3-speed fan control and electric reheater management — extending on the RXC21 platform with a dedicated relay for electric heating coil loads.

Key Features

  • PI control algorithm: Delivers accurate, stable regulation of room temperature for consistent comfort conditions.
  • LonWorks and PPS2 communication: Bus communication over LonWorks with PPS2 room unit compatibility for straightforward integration into existing building automation systems.
  • 4 relay outputs, including electric heating coil relay: Volt-free relay outputs up to 250V/5(4)A, with the dedicated heating coil relay rated to switch resistive loads up to 1.8 kW.
  • Triac outputs for fan coil control: 24V AC triac outputs supporting PWM and 3-position control for precise fan coil and HVAC equipment operation.
  • Flexible DIN-rail or surface mounting: Screw-fixed DIN-rail mounting suited to ceiling voids, fan coil units, or panel installation.
  • eu.bac certified: Meets European energy-efficiency standards for building automation equipment.

What's Included

Model Function Qty
RXC22.5/00022 Room controller, fan coil / electric reheater 1

Technical Specifications

Power supply: AC 230V, 50/60 Hz.

Control algorithm: PI (Proportional-Integral).

Communication: Bus — LonWorks; Room unit — PPS2.

Relay outputs: 4 total — up to 250V/5(4)A on standard relays; heating coil relay rated up to 1.8 kW resistive load.

Triac outputs: PWM / 3-point, 24V AC.

Mounting: DIN-rail, with screws; suitable for ceiling voids (with cover), fan coil units, or panels.

Protection rating: IP20.

Compliance: eu.bac certified.

Compatibility & Applications

Part of Siemens's Desigo RXC room automation platform, this controller integrates with LonWorks bus networks and PPS2-compatible QAX room units for a complete room climate control system. It's well suited to commercial and industrial HVAC applications requiring individual room control of fan coil units with electric reheat, chilled ceilings, and radiators, with eu.bac certification supporting energy-efficient building automation projects.

A1Customer — Industrial Automation Equipment | Tampere, Finland
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