Sundial RF2 Pack 3Wireless Enabled Programmer and Thermostats (Y9420S2005)
In a stored hot water heating system that has no room thermostat or cylinder thermostat, the existing wiring can be used to provide a Boiler Interlock by fitting Sundial RF2 Pack 3.The pack contains:
- A wireless-enabled programmer (ST9420C)
- A wireless room thermostat (DT92E)
- A wireless cylinder thermostat (CS92A).
Communication between the programmer and thermostat, as well as features such as Optimum Start*, Delayed Start** and Optimum Stop***, enable users to save money and energy.
FEATURES
- Energy-saving Time Proportional and Integral (TPI) control
- Wireless-enabled upgrade
- Two-way wireless communication
- Wireless signal strength indicator
- Built-in Economy or Comfort programs on ST9420C
- Line of Text (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
- Table-top stand supplied for DT92E
- CS92A set and controlled by the programmer
- DT92E and CS92A are both battery-powered – no wiring
- Boiler Plus compliant for system boilers
OPTIONS
- Remote Boiler control with wireless relay box (BDR91 supplied separately)
- Remote Valve control with wireless relay box (BDR91 supplied separately)
* Optimum Start: To save energy, let the controls work out when to come on to suit when you want to be warm. Every day, the boiler will start at the latest possible moment depending on the weather.** Delayed Start: Once you have programmed your earliest start time, the controls will delay the boiler firing time on warmer days, when it is possible to save energy.*** Optimum Stop: Saves energy and money by switching off before the normal program time whenever possible.
Installation
Simply remove the old programmer and replace with ST9420C. This enables the wireless thermostat (DT92E) and wireless cylinder thermostat (CS92A) to be added to the system.The ST9420C, DT92E and CS92A are radio frequency devices and for best performance should be installed in a clear space. Where possible, leave the ST9420C at least 30 cm from any metal objects, including wall boxes, and at least 1 m from any other electrical equipment.The DT92E is free to be installed in a suitable location where the signal strength is high.The CS92A wireless transceiver should be located next to the cylinder with its sensor in contact with the metal surface.
WiringFor full wiring instructions, please refer to the Wiring Guide or download the Honeywell Home Wiring Guide App from the Apple App Store or Google Play Store.
https://itunes.apple.com/gb/app/wiring-guide/id1445695073?mt=8https://play.google.com/store/apps/details?id=com.phonegap.wiringguide&hl=en_GB
SPECIFICATION
| Pack 3 | |
| RF Operation Band | ISM (868.0 to 868.6 MHz), 1% duty cycle |
| RF Communication Range | Typically 30 m in residential building |
| RF Communication Technology | Two way short, high rate transmissions to minimize air time / avoid interference |
| RF Blocking Immunity | Receiver class 2 |
| Operating Temperature Range | 0 to 40°C |
| Operating Humidity Range | 10 to 90% RH, non-condensing |
| Storage Conditions | −20 to 55°C
10 to 90% RH, non-condensing |
| Standards | CE marked |
| IP Rating | IP30 |
| ST9420C | |
| Switch Rating | 3(3)A max at 230 VAC |
| Switch Type | 2x Single pole, double-throw (SPDT) relay |
| Power Supply | 230 VAC 50 Hz 10 W |
| Power Reserve | Built-in battery maintains factory-set date and time. The backup supercapacitor retains real-time for more than 1.5 hours All settings and parameters stored in NVRAM will be retained indefinitely |
| Wiring | Wiring terminals with captive cage clamps, accepting two wires each up to 2.5 mm 2 |
| Time Setting Resolution | Time of day – 1 minute
Program time changes – 10 minutes |
| Time Display | 24 hour or 12 hour AM/PM format |
| Timing Accuracy | Typically better than 10 minutes per year Time and date factory set |
| DT92E | |
| Power Supply | Two AA-size, 1.5 V alkaline batteries |
| Temperature Setting Range | 5 to 35°C in 0.5°C steps can be limited between 5 and 35°C |
| OFF Setpoint Temperature | 5°C (default) Can be set between 5 and 16°C or turned off |
| ECO Setpoint Temperature | 18°C (default) Can be set between 5 and 35°C (in 1°C steps), for 1 to 24 hours |
| Temperature Control Accuracy | ±0.5 K at 20°C (50% load, 3 K/hr) |
| CS92A | |
| Power Supply | Two AA-size, 1.5 V alkaline batteries |
| Temperature Setting Range | 40 to 85°C |
| Cable Length | 1.5 m between cylinder thermostat and transceiver |
For more information heatingcontrols.honeywellhome.com
ErP energy efficiency ratingsThe ErP energy efficiency ratings shown in this brochure will provide installers and end-users with the information required to both complete the ErP energy label and assess the benefits of the heating controls to the overall heating system in the property. These ratings apply to room thermostats (including programmable thermostats).ENR3 0055 UK01 D0419© 2019 Ademco 1. All rights reserved.This document contains proprietary information of Ademco 1 and its affiliated companies and is protected by copyright and other international laws.Reproduction or improper use without the specific written authorization of Ademco 1 is strictly forbidden. The Honeywell Home trademark is used under license from Honeywell International Inc.
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References
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