JOAP - SANHUA

>>> sanhuaclimate.com 31 SANHUA PRODUCTCATALOGUE VPF SERIES Electronic Expansion Valve ELECTRICAL PARAMETERS • Rated voltage: 12V DC, rectangular wave • Actuating mode: 2-phase 4-step permanent magnet stepping motor • Excitation mode: 2 phase excitation, bi-pole actuation • Excitation rate: - 150 pps (Maximum for voltage drive) - 300 pps (Maximum for current drive) • Motion time from completely open to completely closed (voltage drive/current drive): - VPF12.5…VPF50: 17,3s / 8,7s - VPF100: 23,3s / 11,7s - VPF150…VPF400: 25,3s / 12,7s • Nominal motor current*: - Voltage drive: 124mA RMS per phase in control operation - Current drive: 100mA RMS per phase in control operation • Peak motor current*: - Voltage drive: 238mA RMS per phase in control operation - Current drive: 140mA RMS per phase in control operation • Coil resistance: 52 ± 5,2Ω/coil (20°C) • Insulation class of coil: E • Protection class: IP 67 *Specified motor currents are based on max. excitation rates MODEL DESIGNATIONS Position Number Model Designation Legend 1 Product Code Product Series VPF Electronic expansion valve with bi-pole stepper motor 2 Capacity Size Description 12.5 Digits for valve capacity size 25 50 100 150 250 400 3 Connections Type Description H Solder 4 Valve Body Description 0…4 With sight glass 5…9 Without sight glass 5 Pipe Connection Description 1…9 Digit for pipe connection diameter MODEL DESIGNATION EXAMPLE Position Number According to Model Designation Legend 1 2 3 4 5 VPF 100 H 0 3 Electronic expansion valve VPF 100 H 0 3 Digits for capacity size VPF 100 H 0 3 Connection: Solder VPF 100 H 0 3 Valve body: With sight glass VPF 100 H 0 3 Digit for pipe connection diameter