In a heating system with a combination boiler or added zones, with no room thermostat. The existing wiring can be used to provide Boiler Interlock by fitting Sundial RF2 Pack 1. The pack consists of ST9120C Wireless enabled timeswitch and DT92E Wireless thermostat.
Energy saving time proportional and integral (TPI) control
Wireless signal strength indicator operating at 868 MHz with a communication range of 30 metres in typical residential buildings
Operating temperature range from 0 to 40°C
ST9120C requires a 230V AC power supply and DT92E requires 2 x AA size, 1.5V alkaline batteries (supplied)
ST9120C has a single pole, double throw SPDT potential free relay switch type
ST9120C is 99 x 145 x 35mm (h x w x d) and DT92E is 92 x 90 x 27mm (h x w x d)
Choice of 3 different presets for energy and time saving
Set everyday differently with 7 day programming
Meets building regulations part L
7 day, 5/2 or 24 h
Digital or Analogue
Wired or Wireless
Heating Control Packs
Made To Order
Manufacturer Model No
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