Johnson Controls HVWHP072B32S - Page 247

(Main Parts)
MAINTENANCE
SM-18006
4-97
● Specications for MV3
Model UKV-U029E or UKV-A027
Working Temperature
Range
-22
o
F to 158
o
F (-30
o
C to 70
o
C)
Refrigerant Used R410A
Insulation Resistance Min. 100M
Ω
(at 500VDC Megger)
Withstand Voltage 1800VAC for 1 Second
Rated Voltage
DC12V+1.2V
Drive Condition
83+5 PPS
1-2 Phase Excitation
Coil Resistance
46+3Ω (at 68
o
F (20
o
C))
Insulation Class Class E
Wiring Diagram,
Drive Circuit and
Activation Mode
B
(4)
(1)
(6)
A
(3) (5)
M
B
A
Black
(COM) Gray
Red
Orange Yellow
ON
OFF
B (6)
Phase (Connection No.)
Valve Operation
Direction
1234 5678
Open
Close
A (3)
B (4)
A (5)
123456
Order of Excitation (1-2 Phase Excitation)
Connector No. Color of Lead Wire Phase
1 Gray Common (+)
2 - -
3 Orange A
4 Black B
5 Yellow A
6 Red B
< Checking Method >
Measure the coil resistances between connector No.1 (common) and each phase.
The measured resistance value is normal if approximately 46Ω
*)
.
( *): Ambient Temperature 68
o
F (20
o
C))