LCR048 - Controller Vemer - Free user manual and instructions
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| Product Type | Digital Temperature Controller |
| Brand | Vemer |
| Model | LCR048 |
| Application | Heating and cooling systems |
| Control Type | Electronic |
| Display | LCD with backlight |
| Temperature Range | 5 °C to 35 °C |
| Temperature Differential | 0.5 °C |
| Power Supply | 230 V AC, 50/60 Hz |
| Max Load | 16 A (resistive load) |
| Number of Programs | 6 time periods per day |
| Modes | Comfort, Economy, Frost Protection, Holiday |
| Sensor Type | Internal NTC thermistor |
| Mounting | Wall-mounted, 55 mm recessed box |
| Dimensions (W x H x D) | 86 x 86 x 25 mm |
| Weight | 180 g |
| Protection Rating | IP20 |
| Maintenance | Wipe with dry cloth, no solvents |
| Safety | Double insulation, CE certified |
| Repairability | Replaceable sensor and cover; recyclable components |
Frequently Asked Questions - LCR048 Vemer
How can I set the desired temperature on the Vemer LCR048?
Press the up/down buttons to adjust the setpoint temperature. The new value is saved automatically after a few seconds. You can also use the programming mode to define different temperatures for each time period.
How do I switch the LCR048 between heating and cooling mode?
Use the mode switch on the front panel or in the settings menu. Select heating to control radiators or boiler, and cooling for air conditioning systems. Make sure your system supports both modes.
Can the Vemer LCR048 be used with underfloor heating?
Yes, the LCR048 is compatible with electrical and water-based underfloor heating. Ensure the switch load does not exceed 16 A. For high-power systems, use a contactor.
Is the LCR048 a programmable thermostat with weekly schedules?
Yes, it features programmable daily schedules with up to 6 time periods. You can set different comfort and economy temperatures for each period, providing energy savings.
What should I do if the display of my LCR048 goes blank?
First check the power supply and the circuit breaker. Verify that the wiring connections are secure. If the problem persists, contact a qualified electrician; the internal fuse may need replacement.
How can I perform a factory reset on the Vemer LCR048?
Press and hold the program button for approximately 10 seconds until the display shows RESET. Confirm with the OK button. All settings will return to default values.
What is the difference between Comfort and Economy modes on the LCR048?
Comfort mode maintains the room at your ideal temperature, while Economy mode reduces heating or cooling to save energy when you are away or asleep. You can set different temperature setpoints for each mode in the schedule.
Can I connect an external or remote sensor to the LCR048?
The standard LCR048 model comes with an internal sensor. Some versions support an optional external NTC sensor. Check your device's terminal diagram to see if a sensor input is available, otherwise use a different model.
How should I clean and maintain the Vemer LCR048?
Use a soft dry cloth to wipe the surface. Do not use water, solvents, or abrasive cleaners. Keep the ventilation slots free of dust and debris. Periodically check that the connections are tight.
What safety certifications does the LCR048 have?
The device is CE certified and has double insulation. It complies with the Low Voltage Directive and EMC Directive, ensuring safe operation in residential environments.
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USER MANUAL LCR048 Vemer
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Product information
Brand : Vemer
Model : LCR048
Category : Controller