KLS PERGAMON
Ceiling-mounted heat recovery units with plate heat exchanger
Suspended (ceiling-mounted) supply and exhaust units with a cross-flow plate heat exchanger for 750–4 000 m³/h, with AC or EC fans. A built-in water, electric or DX coil is available.

Features
- Plate heat exchanger, 100 % bypass for free cooling
- AC or EC fans
- Built-in water, electric or DX coil
- G4 filters as standard, M5/F7 optional
- Optional CO₂ or humidity sensor
- Controller with weekly schedule, 6 speed steps, Modbus RTU; BACnet TCP/IP optional
- Electrical connections factory-wired; only the power supply is connected on site
Specifications
| Model | Fan type | Airflow, m³/h | External static pressure, Pa | Supply fan power, W | Exhaust fan power, W | Total power, W | Power supply |
|---|---|---|---|---|---|---|---|
| PRG AC 10 | AC | 750 | 110 | 135 | 135 | 300 | ? |
| PRG AC 15 | AC | 1000 | 5 | 230 | 230 | 490 | ? |
| PRG AC 20 | AC | 1500 | 65 | 230 | 230 | 490 | ? |
| PRG AC 30 | AC | 2000 | 75 | 210 | 210 | 450 | ? |
| PRG AC 40 | AC | 3000 | 90 | 510 | 510 | 1050 | ? |
| PRG AC 50 | AC | 4000 | 50 | 800 | 800 | 1630 | ? |
| PRG EC 10 | EC | 750 | 215 | 130 | 130 | 290 | ? |
| PRG EC 15 | EC | 1000 | 140 | 270 | 270 | 570 | ? |
| PRG EC 20 | EC | 1500 | 186 | 395 | 395 | 820 | ? |
| PRG EC 30 | EC | 2000 | 220 | 860 | 860 | 1750 | 380 V |
| PRG EC 40 | EC | 3000 | 290 | 980 | 980 | 1990 | 380 V |
| PRG EC 50 | EC | 4000 | 351 | 990 | 990 | 2010 | 380 V |
| PRG EC 60 | EC | ? | ? | 1006 | 1006 | 2100 | 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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