Siemens RDF660T, S55770-T434

Siemens RDF660T, S55770-T434

Flush-mount room thermostat for round and square conduit box with LCD for fan coil units and compressors

• ECM Fan output
• 2 or 3-position control outputs
• Two multifunctional inputs for keycard contact, external room / return air temperature (QAH11.1, QAA32), heat / cool changeover, operation mode changeover, window contact on/off, dewpoint monitor, electrical heater enabled, fault contact, alarm contact, presence detector
• Operating modes: Comfort, Energy Saving and Protection
• Automatic or manual heating/cooling changeover
• Adjustable commissioning and control parameters
• Minimum and maximum setpoint limitation
• With infrared receiver for remote control, remote control not included.
• Color of housing: signal white (RAL 9003)
• 8 Timers with a 7-day programmable schedule
• Backlit display

Application selectable:

• 2-pipe system
• 2-pipe system with electrical heater
• 4-pipe system

Additional info

Infrared remote IRA211 not included. Order separatly.

HS CODE: 90321020

COO: China