KLS PERGE SLIM
Low-profile heat recovery units with counterflow heat exchanger
Low-profile suspended supply and exhaust units with a counterflow heat exchanger and EC fans, 8 models for 500–4 000 m³/h.

Features
- High-efficiency counterflow heat exchanger, plastic or aluminum
- 100 % bypass for free cooling
- EC fans
- Double-skin walls with 25 mm mineral wool insulation
- Optional electric reheater
- G4 filters as standard, M5 optional
- Optional CO₂ or humidity sensor; Modbus as standard, BACnet TCP/IP optional
Specifications
| Model | Airflow, m³/h | External static pressure, Pa | Power per fan, W | Total power, W | Power supply |
|---|---|---|---|---|---|
| PER S 05 | 500 | 186 | 95 | 190 | ? |
| PER S 07 | 750 | 215 | 210 | 420 | ? |
| PER S 10 | 1000 | 497 | 270 | 540 | ? |
| PER S 15 | 1500 | 312 | 536 | 1072 | ? |
| PER S 20 | 2000 | 194 | 536 | 1072 | ? |
| PER S 25 | 2500 | 228 | 587 | 1174 | ? |
| PER S 30 | 3000 | 226 | 1140 | 2280 | 380 V |
| PER S 40 | 4000 | 277 | 1650 | 3300 | 380 V |
Manufacturer’s data (Klas Heating, Cooling, Air Conditioning Inc. (Turkey)). Actual performance depends on operating conditions; we select the exact model by calculation. A “?” means the manufacturer did not state the value or it needs to be confirmed.
Selection and supply
We calculate the building load, select the model, design the system, supply the equipment, install and maintain it. More on the page “Heat and cold recovery”.
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