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4-Way Valve; Basepan Heater; Fan Motors - Haier 2U18MS2VHB Service Manual

Ductless multi-split heat pump, outdoor/indoor, wall mount - highwall, 2'x2' compact cassette, 3'x3' large cassette, slim duct, mid-static ducted, medium static ducted, console
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4-Way Valve

Ohms
2.1K

Basepan Heater

Ohms
0.28K - 0.379K

Fan Motors

VDC Outputs to DC Fan Motor (VDC)
PIN #
RED Probe Black Probe
6
Vdc
5
Blank
4
GND
3
Vcc
2
Vsp
1
FG
DC Fan Motor Resistance Values (Ω)
PIN #
RED Probe Black Probe
6
Vdc
5
Blank
4
GND
3
Vcc
2
Vsp
1
FG
Component Ratings
Topic Title
VAC
208-230
VAC
208-230
Value
GND
300~380VDC
Blank
Blank
GND
GND
GND
15 ±1.5VDC
GND
2~6.5VDC
GND
2~9VDC
Value
GND
≥1MΩ
Blank
Blank
GND
GND
GND
≥1MΩ
GND
≥135KΩ
GND
≥1MΩ
TROUBLESHOOTING & REFERENCES
DC Fan Motor Pin Identification
PIN #
Color
Abbr. Definition
1
Blue
FG
Revolution Pulse Output
2
Yellow
Vsp
Speed Control Voltage Input
3
White
Vcc
Control Power Voltage Input
4
Black
GND Ground
5
Blank
Blank Blank
6
Red
Vdc
Motor Driver Voltage Input
Red
Black
White
DC Motor
Yellow
Blue
+310 VDC
DC Ground
+15 VDC
Signal
Feedback
J-9

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