Klima SF300 Digital Thermostat
Operating Instructions
Read this manual carefully and keep it with other warranty documents. Connection must be carried out by a qualified installer in accordance with local regulations. Before installing or disassembling the thermostat, always switch off the electricity in the meter cupboard. This thermostat can be installed in a single flush-mounting box 50 mm deep, according to standard DIN formats.
1. Technical details
| Power | 90-240Vac 60/60Hz |
| Max. Load | 16A/250V |
| Floor sensor type | 10k NTC 1% |
| Temp. range | 5°C-35°C |
| Accuracy | 0.5°C |
| Cover | IP21 |
| Warranty | 2 years |
2. Wiring diagram
- Power supply (Line)
- Power supply (Neutral)
- Heating cable wire 1*
- Heating cable wire 2*
- N/A
- 6-7 Floor sensor connection
* Order Heating wire 1 and 2 does not apply. EARTH: Connect the earth of the heating cable and the earth of the power supply outside the thermostat.
Diagram showing connections labeled L, N, L1, N1, and 1-7, with NTC indicated.
3. Display icon explanation
Both Auto and Manual indicators on: Temporary temp. is manually set in Auto Mode. Returns to auto program schedule at next setpoint.
Icons displayed: Auto mode (point 5), Manual mode (point 6), Holiday mode (point 6), Heating active, Day indicator (point 4), Time (point 4), Frost protection active, Open window active, Key lock active, Current period indicator.
Display shows: Set, time 15:08, temperature 23.5°C, Weekly, Temp. reading.
Controls: On/Off, Mode (□), - key, + key.
Instruction: Long press to lock or unlock.
4. Time setting
- (Thermostat on) Long press ?️ to enter options
- Press ◀️ choose 1 and press ?️ to enter
- Press ◀️ or ▶️ to set minutes
- Press ?️ to confirm and enter hour setting
- Press ◀️ or ▶️ to set hours
- Press ?️ to confirm
- Press ◀️ or ▶️ to set week day (Monday = 1, Sunday = 7)
- Press ?️ to confirm
5. Choose mode
Press ?️ to switch between Auto Mode or Manual mode.
6. Programming (Auto Mode)
(Thermostat on) Long press ?️ to enter options
Press ◀️ choose 02 and then ?️ to enter programming
Press ◀️ to choose hours, min. and temp. (with ◀️ or ▶️ and ?️)
There are 3 periods (6 setpoints) per day. See standard schedule for reference:
| Wake up (On) | Away (Off) | Home (On) | Away (Off) | Home (On) | Sleep (Off) | |
|---|---|---|---|---|---|---|
| Setpoint | Setpoint 1 | Setpoint 2 | Setpoint 3 | Setpoint 4 | Setpoint 5 | Setpoint 6 |
| Time/Temp | 06:00 20°C | 08:00 15°C | 11:30 20°C | 13:30 15°C | 17:00 20°C | 22:00 15°C |
7. Holiday Mode
- (Thermostat on) Long press ?️ to enter options
- Press ◀️ choose 03 and press ?️ to enter
- Press ◀️ or ▶️ to set days
- Press ?️ to confirm and enter temperature setting
- Press ◀️ or ▶️ to set temperature
- Press ?️ to confirm
8. Sensor error
When an "E1" or "E2" code is shown the sensor is wrongly connected or broken. The thermostat will stop heating until the sensor is connected correctly or replaced.
9. Advanced settings
WARNING: Changing advanced settings may cause undesired results. Please consult your installer before entering this menu!
Press the on/off button once, long press ?️ to enter Advanced menu A. Press ◀️ to choose between A1 to AE. Press ◀️ or ▶️ to adjust.
| No. | Item | Parameters | Default |
|---|---|---|---|
| A1 | Measured temp. calibration | -9°C to +9°C | 0.5°C |
| A2 | Differential | 0.5°C to 2.5°C | 1°C |
| A3 | Key lock | 0: Half lock 1: Full lock |
0 |
| A4 | Power with memory function | 0: Power with memory function 1: Shutdown power after power off 2: Shutdown power after power on |
0 |
| A5 | Backlight time | 5 to 30 seconds | 10 sec |
| A6 | Programmable | 0: 5+2 (Week 1-5 and weekend 6-7) 1: 6+1 (Week 1-6 and sunday 7) 2: 7 (Week 1-7) |
0 |
| A7 | Lowest temp. setting | 1-10°C | 5°C |
| A8 | Highest temp.setting | 20-70°C | 35°C |
| A9 | Low temp.protection | 1: 1°C -10°C Function off: > 10°C Display (-----) |
5°C |
| AA | High temp.protection | 1: 35°C-70°C 2: Function off: < 35°C Display (-----) |
45°C |
| AB | High temp. protection differential | 1-9 | 2 |
| AC | Running temp. of open window function | 1: 10-20°C, 2: Function off: < 10°C Display (-----) |
15°C |
| AD | Running time of open window function | 10-20 min | 10 |
| AE | Reset to factory settings | Long press until display goes blank |
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