Reduced! RDG405KN View larger

RDG405KN

Siemens

Room thermostat for temperature and air quality control with KNX communications, AC 24 V, VAV heating and cooling systems

More details

S55770-T348

New product

Reduced from349,86 €
297,38 € *
(249,90 € VAT excl.)

Siemens RDG405KN

KNX communications

Output DC 0…10 V for VAV actuator and auxiliary output ON/OFF, PWM or 3-position or 3-position for VAV actuator and auxiliary output DC 0...10 V

2 multifunctional inputs for keycard contact, external room / return air temperature (1x, QAH11.1, QAA32), heat / cool changeover, operation mode changeover, window contact on/off, dewpoint monitor, electrical heater enabled, fault contact, presence detector

1 input DC 0...10 V for damper position feedback, for CO2 sensor

Operating modes: Comfort, Economy and Protection

Modulating PI control

Control depending on the room or the return air temperature and air quality

Automatic or manual heating / cooling changeover

Adjustable commissioning and control parameters

Minimum and maximum setpoint limitation

Minimum and maximum limitation of air flow signal

Output signal inversion (DC 0...10 V) as an option

Backlit display


Application selectable:
Single-duct system

Single-duct system with electrical heater

Single-duct system and radiator / floor heating

Single-duct system with heating / cooling coil

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