FHT-2P3D - Uncategorized Vemer - Free user manual and instructions
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| Product type | Digital fan coil thermostat for 2-pipe systems |
| Brand | Vemer |
| Model | FHT-2P3D |
| Installation | Wall-mounted, suitable for flush mounting boxes |
| Control method | Push buttons and LCD display |
| Main functions | Heating, cooling, ventilation, weekly programming |
| Temperature setpoint range | 5 to 35 °C |
| Display resolution | 0.1 °C |
| Fan speeds | 3 speeds (Low, Medium, High) plus automatic mode |
| Valve output | On/off control for 2-pipe water valve |
| Power supply | 230 V AC, 50-60 Hz |
| Maximum relay current | 5 A resistive |
| Dimensions | 120 x 80 x 30 mm |
| Weight | 160 g |
| Protection rating | IP20 |
| Wire connections | Screw terminals |
| Temperature sensor | Built-in NTC thermistor |
| Energy saving | Weekly scheduler and automatic fan mode |
| Cleaning and maintenance | Wipe with soft damp cloth; do not use solvents |
| Safety instructions | Install by qualified electrician; isolate power before servicing |
| Spare parts and repairability | No user-serviceable parts; contact technical support |
| Documentation provided | User manual in English, 30 pages |
Frequently Asked Questions - FHT-2P3D Vemer
What is the Vemer FHT-2P3D used for?
The FHT-2P3D is a digital fan coil thermostat designed for 2-pipe heating and cooling systems. It controls room temperature, fan speed and the water valve in a fan coil unit.
Does the FHT-2P3D have a weekly programming function?
Yes, it includes a weekly programmer that lets you set different time periods and temperatures for each day of the week, helping to reduce energy consumption.
How many fan speeds can be selected?
You can choose between 3 speeds (Low, Medium, High) manually, or use the automatic mode so the thermostat selects the most suitable speed based on the room conditions.
What is the maximum output load of the thermostat?
The on/off relay output supports a maximum load of 5 A at 230 V AC for the water valve. The fan outputs are designed for the fan coil motor according to the wiring diagram.
Can the thermostat be used for both heating and cooling?
Yes, in a 2-pipe system the FHT-2P3D has a heating/cooling selector that changes the valve control signal direction for hot water in winter and chilled water in summer.
How do I change the setpoint temperature?
Use the up and down buttons on the front panel to adjust the desired temperature. The new setpoint appears on the LCD display and is saved automatically.
What does the Auto fan mode do?
In Auto mode the thermostat chooses between Low, Medium and High depending on the difference between actual room temperature and the setpoint, giving better comfort and quieter operation.
What should I do if the display shows no information?
Check that the 230 V power supply is present and that the circuit breaker for the thermostat is on. If the problem continues, turn off the power at the mains and contact a qualified electrician.
How should I clean the FHT-2P3D?
Clean the front surface with a soft, slightly damp cloth. Never use water sprays, solvents or abrasive products, and avoid getting moisture into the openings.
Is the thermostat easy to install?
It is designed for wall mounting on a standard flush box. Electrical connections must be made by a qualified technician following the electrical diagram in the manual, and the power must be disconnected before installation.
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USER MANUAL FHT-2P3D Vemer
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Product information
Brand : Vemer
Model : FHT-2P3D
Category : Uncategorized