0.00 inc V.A.T.

for room thermostat insert ref.-no.: 1790 RTR
for switch inserts ref.-no.: 1701 SE, 1701 PSE, 1704 ESE
for satellite insert 3-wire, power supply ref.-no.: 1723 NE
available April 2023

Frames for JUNG HOME room thermostat display

Intended use

  • Manual and time-controlled regulation of the room temperature
  • Wireless linking with JUNG HOME system devices
  • Operation with system insert for room temperature control
  • Operation with system insert for switching or satellite insert 3-wire

Product characteristics

  • Commissioning and operation using JUNG HOME app with mobile device (smartphone or tablet) via Bluetooth®
  • Up to 16 time programs for automatic heating
  • Simple activation and deactivation of individual time programs using the JUNG HOME app
  • Activate/deactivate automatic operation using JUNG HOME app or local operation
  • Automatic summer/winter time changeover
  • Automatic date and time update when connecting with smartphone
  • Setting a comfort, ECO, cooling and frost protection temperature
  • Minimum and maximum temperature values adjustable
  • Boost function: Quick heat-up for max. 5 minutes
  • Illuminated segment display for easy reading
  • Disabling of local operation
  • Local actuator integrated into groups, central functions and light scenes
  • Optimised heating up (temperature is reached at the set time), can be switched off
  • Adaptation to valves (normally open or normally closed)
  • Supports internal and external temperature sensor
  • Temperature drop detection (call-up of frost protection temperature when window is open)
  • Offset adjustment (correction value for measured temperature)
  • Controller output working method: pulse width modulation (PWM) or two-point
  • Valve protection function (once a week opening and closing of valve, on Saturdays at 11 a.m.)
  • Interrupts the heating process after 60 minutes for 5 minutes
  • Display switch-off after 2 minutes or continuous display possible
  • On a satellite insert 3-wire, the device works as an external temperature sensor

Available in future via update:
(Notes on updates and schedules can be found at www.jung.de/JUNGHOME)

  • Holiday program reduces heating costs during absence and heats up the room again before return
  • Time programs with sunrise or sunset (astro function)

Technical data

Ambient temperature: −5 … +45 °C
Stora/transport temperature: −20 … +70 °C
Accuracy per month: ± 10 s
Power reserve: min. 4 h
Radio frequency: 2402.0 … 2480.0 MHz
Transmitting power: max. 10 mW (class 1.5)
Transmission range
    in buildings: approx. 30 m
Regulator class (EU 811/2013): IV
Contribution to energy efficiency: 2 %
Product Family
Product Type

Operating Instructions


Product Data Sheet, White BTLS1791WW


Product Data Sheet, Black BTLS1791SW

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