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3-13
MAIN PARTS
3.6.2 Electronic Expansion Valve for Indoor Units
Micro-Computer
Pulse Signal
2-Phase Permanent Magnetic Pulse Motor
Control 0 to 2,000 Pulse by 1 Pulse
Refrigerant Flow Control
Precise Control
Pulse Motor
Gear
Driver
Valve
Bellows
Coil
Magnet
DC12V
Wiring
Diagram
Drive
Circuit
4
φ
2
φ
3
φ
1
φ
M
ON
OFF
Valve
Activation
Close
Open
Activation
Procedure
Phase
2
φ
4
φ
3
φ
1
φ
1
2
3
4
1
Specifications
Items
Specifications
Type
EDM Type
Refrigerant Used
R22 or R407C
Working Temperature Range
-30
o
C to 70
o
C (With Coils Not Electrified)
Mounting Direction
Drive Shaft in Vertical Direction, Motor Upside and 90
o
in Four Direction
Flow Direction
Reversible
Rated Electricity
Drive Method
4-Phase Pulse Motor Method
Rated Voltage
DC12V+1.2V
Drive Condition
100
Ω
+250PPS (Pulse Width Over 3mm)
2 Phase Excitation
Coil Resistance
(1 Phase)
150+10% (at 20
o
C)
Wiring Diagram,
Drive Circuit and
Activation Mode
Содержание Utopia PAS-3HVRG
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