| Power Supply | 100~250Vac, 50/60Hz | Installation Box | EU or Standard Electric Box | 
| Current Load | 3 Speed Fan Relay 5A(3A-inductive) | Temperature Sensor | NTC, 3950 10K Ω at 25 ℃ (77ºF) | 
| 1 Cool Valve Relay 5A(3A-inductive) | Operating Temp. | 5ºC to +35ºC (41ºF to 95ºF) | 
| 1 Aux./Heat Valve 5A(3A-inductive) | Storage Temp. | -20ºC to +85ºC (-4ºF to +185ºF) | 
| 1 Lamp Relay 5A(3A-inductive) | Operating Humidity (no condensing) | 10% to 90% RH to 50ºC | 
| Power Consumption | < 2W | Storage Humidity (no condensing) | 95% RH to 50ºC | 
| Housing Material | PC +ABS ( Fireproof) | Temperature Accuracy | ± 0.5 ° C or ± 1 ℉ | 
| Wires on Terminals | Wire 2 x 1.5 mm² or 1 x 2.5 mm² | Set-Point Range | 5~35°C | 
| Front Panel Size | 83x83x16.5mm | Relay Module Size | 110x91x67mm | 
| Protection Class | IP20 | Electrical Safety | Class III |