Jung FTR 231 Underfloor Heating Thermostat (FTR 231)

Description

Technical Specifications

• Brand
  Jung
• Model
  FTR 231
• Product type
  Underfloor heating thermostat (floor heating thermostat)
• Intended use
  Electronic temperature controller for electric floor heating or floor-tempering systems in rooms
• Installation
  Flush-mounted (Unterputz) in a device box per DIN 49073
• Power supply
  230 V AC (AC 220–240 V, 50/60 Hz)
• Switching current
  10 A
• Load rating
  Approx. 2300 W resistive load
• Connection
  2-wire
• Mounting type
  Flush mount (Unterputz)
• Operation
  Rotary knob (Drehbedienung)
• Control mode
  On/Off; regulator output switchable between PWM and two-point control
• Heating outputs
  1
• Cooling outputs
  Listed in some marketplace data but primarily heating application
• Hysteresis (differential)
  0.5 K
• Differential adjustable
  No
• Temperature display
  No
• External sensor
  Yes (remote NTC sensor included)
• Sensor cable length
  4 m (extendable to 50 m)
• Sensor dimensions
  Ø 7.8 × 28 mm
• Frost protection
  Yes
• Comfort temperature
  Manually adjustable
• Temperature limitation
  Adjustable comfort-temperature limit via setting rings
• ECO reduction input
  Yes (via central timer clock)
• LED status indicator
  Multi-colour status LED; fault indication for remote sensor
• Permanent LED mode
  Yes
• Heating interruption safety function
  After 1 hour continuous heating a 5-minute interruption
• Standby power
  max. 0.15 W
• Operating temperature range
  -20 to +70 °C
• Setpoint range
  Approximately 5 to 50 °C
• Protection rating
  Device IP2X; remote sensor IP67
• Color
  Other/unspecified (sonstige)
• Product weight
  83 g
• Packaging unit
  1 piece
• Recommended mounting height
  1.50 m
• Compatibility
  Compatible with JUNG series: A 550, A creation, A Cube, A flow, A Viva, AS 500, CD 500, CD plus, LS 1912, LS 990, LS Cube, LS Design, LS Plus, LS Zero
• Additional safety/features
  Remote sensor fault detection, ECO input, heating safety interruption

Ratings