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Product Description
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
