Drayton 22902 Programmable 2 Channel Room Thermostat Installation Guide
| General | Details |
|---|---|
| Name | Drayton 22902 Programmable 2 Channel Room Thermostat Installation Guide |
| Make | Drayton |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.2 MB |
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Drayton 22902 Channel Manual: Questions and Answers
Drayton 22902 Channel specifications
| Power supply | 230VAC +/-10%, 50Hz |
| Setpoint range | 5°C to 30°C |
| Operating temperature | Operating: 0°C to +40°C |
| Storage temperature | -20°C to 65°C |
| IP rating | IP30 |
| Radio frequency | 2402-2480 MHz |
Where are the mounting holes on the Drayton 22902 Channel thermostat?
Behind the front cover, underneath the hinged black cover that you access by releasing the 2 screws at the bottom. Installation Guide, p. 1
What fuse rating does the Drayton 22902 Channel require for OpenTherm wiring?
3A fuse. Installation Guide, p. 1
Can I connect the Drayton 22902 Channel to an OpenTherm boiler, and if so what happens to installer options?
Yes. When connected to an OpenTherm boiler, Installer Options 06 Valve Protection and 08 Application Type become unavailable. Options 10, 11 and 12 will appear instead. Installation Guide, p. 1
How do I access Installer Options on the Drayton 22902 Channel?
Press the settings button for 3 seconds to enter the Installer Options menu. Installation Guide, p. 2
What's the difference between Optimum Start and Delayed Start?
Optimum Start adjusts the setpoint early using ambient temperature and heat gain data. Delayed Start delays setpoint implementation when ambient temperature is already close to the target, saving energy. Installation Guide, p. 2
What does the Partial Sight Assistant do on the Drayton 22902?
When enabled, it sounds audible tones when you adjust setpoint manually: a single high tone per 0.5°C increase above room temperature, a double tone when equal, and a single low tone per 0.5°C decrease below it. Installation Guide, p. 2
What do the + and - buttons control on the Drayton 22902?
Use them to scroll through menu options and different settings within the Installer Options menu. Installation Guide, p. 2
What does the Valve Protection Time setting do on the Drayton 22902 Channel?
When enabled, it operates each relay output for at least one minute each week to protect the valve in hydronic heating systems. Installation Guide, p. 2
Drayton 22902 Channel compared with other Drayton thermostats
| Specification | Drayton 22902 Channel | Drayton RF902 Digistat 3rd Generation 2-Channel |
|---|---|---|
| Power supply | 230VAC +/-10%, 50Hz | 230VAC +/-10%, 50Hz |
| Setpoint range | 5°C to 30°C | 5°C to 30°C |
| Operating temperature | Operating: 0°C to +40°C | Operating 0°C to 45°C |
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