| Application | Pulse-width modulation of refrigerant feed to evaporator |
| Refrigerant | R744 (CO₂), also other approved refrigerants |
| Maximum working pressure | 90 bar |
| Flow coefficient Kv | 0.046 m³/h |
| Max. operating Δp (MOPD) | 30 bar at rated coil voltage |
| Connections | 3/8 in inlet × 1/2 in outlet (PEV4-1) |
| Suggested PWM cycle | 6 seconds; 10–100% control range |
| Coil options | 24 VAC / 6 W or 220–230 VAC / 7 W; specify separately |
