Hisense Hi-FLEXi S Series Technical, Installation, Maintenance page 276

3.2 Electronic Expansion Valve
Micro-Computer
2-Phase Permanent Magnetic Pulse Motor
Control 0 to 2950 Pulse by 1 Pulse (EVO)
Control 0 to 480 Pulse by 1 Pulse (EVB/MV5)
Refrigerant Flow Control
Precise Control
Specification
Items
Models to be Applied
Type
Refrigerant Used
Working Temperature Range
Mounting Direction
Flow Direction
Rated Voltage
Drive Condition
Coil Resistance
Wiring Diagram,
Drive Circuit and
Activation Mode
Pulse Signal
For Main Cycle (EVO)
PAM Series
Drive shaft in Vertical Direction
within an Angle of 90o as Maximum
100 - 200 PPS
2-2 Phase Excitation
100Ω
φ1
φ3
Phase 1 2
φ1 ON OFF
φ2 ON ON
φ3 OFF ON
φ4 OFF OFF
OPEN: 4→3→2→1→4
CLOSE: 1→2→3→4→1
Needle
Specification
R410A
-22 - 158°F( -30℃ - 70℃ )
Reversible
DC12V+1.2V
M
φ2 φ4
3 4 Phase
OFF ON
OFF OFF
ON OFF
ON ON
OPEN: 1→2→3→4→5→6→7→8
CLOSE: 8→7→6→5→4→3→2→1
267
Pulse Motor
For Bypass Line (EVB/MV5)
UKV Series
Drive shaft in Vertical Direction
within an Angle of 45o as Maximum
80+5 PPS
1-2 Phase Excitation
46Ω+3Ω (at 20℃ )
φ2
φ4
φ1
1 2 3 4
φ1 ON ON OFF OFF OFF OFF OFF ON
φ2 OFF OFF OFF OFF OFF ON
φ3 OFF OFF OFF ON
φ4 OFF ON ON ON OFF OFF OFF OFF
Main Parts
M
φ3
5 6 7 8
ON ON
ON ON OFF OFF