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Description
The Honeywell Sundial Pack is ideal for adding a room thermostat and a cylinder thermostat to a traditional system. In a stored hot water heating system which has no room thermostat or cylinder thermostat, the existing wiring can be used to provide boiler interlock by fitting Sundial RF2 Pack 3. This has a full programmer with independent heating and hot water and a built-in wireless transceiver to enable the wireless room thermostat and cylinder thermostat to maintain the traditional layout of separate time control and thermostats. It can also be used on new systems. Because the thermostats and the programmer communicate, energy-saving and operating benefits are also enabled.
- Energy saving time proportional and integral (TPI) control with optimum start, delayed start and optimum stop energy saving technology
- Wireless signal strength indicator operating at 868 MHz with a communication range of 30 metres in typical residential buildings
- Two way wireless communication
- Wireless enabled upgrade
- Built in economy or comfort programmes on ST9420C
- LoT display for easy programming on ST9420C
- ST9420C fits on industry standard backplate
- ST9420C is a direct replacement for ST9400 and ST6400 models
- ECO setback function on DT92E
- Frost protection on DT92E
Technical specification
Years Guaranteed5Wired or WirelessWirelessWidth90mmTypeHeating Control PackTimer Cycle7 Day, 5/2 or 24 HourInput Voltage230 VHeight85mmERP RatingNot ApplicableDigital or AnalogueDigitalDepth50mmColourWhiteSupplier Part NumberY9420S2005Range DescriptionSundialBrand NameResideo
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