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Overview
The Honeywell Sundial RF 2-Pack contains a wireless enabled programmer (ST9420C) and a wireless thermostat (DT92E). In a stored hot water heating system that has no room thermostat, the existing wiring can be used to provide boiler interlock by fitting Sundial RF 2 Pack 2.
- Energy saving time proportional and integral (TPI) control with optimum start, delayed start and optimum stop energy saving technology
- Wireless enabled upgrade
- Two way wireless communication
- Wireless signal strength indicator
- 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 Guaranteed1Wired or WirelessWirelessWidth145 mmVoltage230 VTypeHeating Control PackTimer Cycle7 Day, 5/2 or 24 HourHeight99 mmDigital or AnalogueDigitalDepth35 mmColourWhiteRange DescriptionSundialManufacturer Model NoY9420H1008Brand NameHoneywell
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