Set Chronos RF - Thermostat Vemer - Free user manual and instructions
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| Product Type | Programmable Thermostat with RF Communication |
| Dimensions | 86 x 86 x 30 mm |
| Weight | Approximately 150 g (including batteries) |
| Power Supply | 2 x AA alkaline batteries (not included) |
| Display | Backlit LCD with temperature and schedule indications |
| Temperature Range | 5°C to 35°C (settable) |
| Accuracy | ±0.5°C |
| RF Frequency | 868 MHz (European standard) |
| Max RF Range | Up to 100 m in open space |
| Programmable Schedules | 7-day, up to 4 time periods per day |
| Functions | Comfort, Eco, Frost Protection, Manual Override, Holiday Mode |
| Compatibility | Works with Vemer RF receivers and actuators |
| Mounting | Wall-mounted with included screws and plugs |
| Degree of Protection | IP20 (indoor use only) |
| Operating Temperature | 0°C to 40°C (ambient) |
| Maintenance | Clean with a soft, dry cloth. Do not use solvents. |
| Safety | Low battery warning; automatic frost protection at 5°C |
| Spare Parts | Batteries, mounting screws, optional wall plate |
| Repairability | Battery compartment accessible; no user-serviceable internal parts |
Frequently Asked Questions - Set Chronos RF Vemer
How do I install the Set Chronos RF thermostat?
First, attach the wall bracket using the included screws (ensure it is level). Insert two AA batteries, then snap the thermostat onto the bracket. Pair it with the receiver following the manual instructions.
How do I set the date and time?
Press the Menu button, navigate to Settings > Date/Time. Use the +/- buttons to adjust year, month, day, hour, and minute. Confirm each step with OK.
Can I program different temperatures for different days?
Yes, the thermostat offers 7-day programming. You can set up to four time periods (Morning, Day, Evening, Night) with independent temperature settings for each day.
What does the 'Frost' mode do?
Frost mode maintains a minimum temperature (usually 5°C) to prevent freezing. It is useful when you are away for extended periods.
How do I replace the batteries?
Gently pull the thermostat off the wall bracket. Replace the two AA batteries with new ones, observing polarity. Reattach the thermostat. The settings are retained.
Why is the display showing 'Low Battery'?
The batteries are low and need replacement soon. Replace them as soon as possible to avoid losing settings or functionality.
How do I pair the thermostat with the RF receiver?
On the receiver, press the pairing button until the LED flashes. On the thermostat, go to Settings > Pairing and select the correct channel. The LED on the receiver will turn solid to confirm.
The thermostat is not responding. What should I do?
Check if the batteries are correctly installed and have sufficient charge. If the display is blank, replace the batteries. If it still doesn't work, reset the thermostat by removing batteries for 10 seconds.
Can I use the thermostat with underfloor heating?
Yes, if paired with a compatible Vemer RF receiver designed for underfloor heating. Ensure the receiver is correctly wired to the heating system.
How do I set a temporary temperature override?
Press the +/- buttons to adjust the temperature. The display will show the new setpoint and a clock icon. The override will last until the next scheduled period unless cancelled by pressing Cancel.
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