FEATURES
• Applicable for oil -free system (T series)
• Smaller installati on space : low height , small volume , light weight
• Optimized flow path design for noise reduction
• Fast operati on, energy saving
• Applica ble for reversi ble systems like heat pumps : bidirectional flow
General Specifications
• Applicable for all common HCFC and HFC refrigerants such as: R22, R134a, R404A, R407C, R410A, R507A …
• Cooling capacity: 3,5 to 105 kW (R22 nominal capacity)
• 500 steps (full stroke); 32 ± 20 opening steps
• Medium temperature TS min./max.: -30°C /+70°C (duty cycle rate below 50%)
• Ambient temperature min./max.: -30°C / +60°C (duty cycle rate below 50%)
• Relative humidity: 0 to 95% RH
• Installation position:
– Coil installed in the upwards position, valve rotor central axis within ±15° versus vertical axis
– Inlet connection preferably sidewise, outlet preferably downwards
• Certifications: UL/CSA and declaration according to LVD or PED
Electrical Parameters
• Rated voltage: 12V DC(± 10%), rectangular wave
• Actuating mode: 4-phase 8-step permanent magnet stepping motor of direct-acting type
• Excitation mode: 1 ~ 2 phase excitation, monopole actuation
• Excitation rate:
– Seat Ø 1,3 to 3,2 mm: 30 to 90pps
– Seat Ø 4,0 to 6,5 mm: 30 to 40pps
• Activation of self-holding mechanism: Maintain excitation in stop position min. 0,1~1,0 sec
• Min. motion time from completely open to completely closed:
– Seat Ø 1,3 to 3,2 mm: 6s @ 90pps
– Seat Ø 4,0 to 6,5 mm: 13s @ 40pps
• Coil current:
– Seat Ø 1,3 to 3,2 mm: 260mA/phase (20°C)
– Seat Ø 4,0 to 6,5 mm: 375mA/phase (20°C)
• Coil resistance:
– Seat Ø 1,3 to 3,2 mm: 46 ± 3.7 Ω/phase (20°C)
– Seat Ø 4,0 to 6,5 mm: 32 ± 3.2 Ω/phase (20°C)
• Insulation class of coil: E
• Protection class: IP 66
