![background image](http://html1.mh-extra.com/html/york/hids006b21s/hids006b21s_service-manual_4037661129.webp)
(Main Parts)
MAINTENANCE
SM-18001-rev.1
4-55
Checking Method
Measure coil resistances between Red (common)
and each phase.
The measured resistance value is normal if apploximately 150
W
. *)
(*) Ambient Temperature 68
o
F (20
o
C))
●
Specifications
Working Temperature
Range
-22
o
F to 158
o
F (-30
o
C to 70
o
C)
Refrigerant Used
R410A
Insulation Resistance
Min. 100M
W
(at 500VDC Megger)
Withstand Voltage
500VAC for 1 Minute or 600VAC for 1 Second
Rated Voltage
DC12V
+
1.2V
Drive Condition
100 - 200 PPS
2-2 Phase Excitation
Coil Resistance
150+15
W
(68
o
F (20
o
C))
Insulation Class
Class E
Wiring Diagram,
Drive Circuit and
Activation Mode
φ
3
φ
1
White
Red (COM)
Orange
φ
2
φ
4
Yellow
Blue
M
Phase
1
2
3
4
f
1
ON
OFF
OFF
ON
f
2
ON
ON
OFF
OFF
f
3
OFF
ON
ON
OFF
f
4
OFF
OFF
ON
ON
OPEN: 4
3
2
1
4
CLOSE: 1
2
3
4
1
Indoor Unit Electronic Expansion Valve
Locked
(Fully Closed)
Check for the liquid pipe temperature during heating operation.
It is abnormal if the temperature does not increase.
Locked
(Slightly Open)
It is abnormal under the following conditions. The temperature of freeze protection
thermistor becomes lower than the suction air temperature when the unit being
checked is stopped and the other units are in cooling operation.
Unit
Under
Checking
Electronic Expansion Valve
Freeze Protection
Thermistor
Other
Units
Locked
(Fully Open)
● Checking Method of Electronic Expansion Valve for Indoor Unit
Summary of Contents for HIDS006B21S
Page 2: ......
Page 10: ...viii SM 18001 rev 1...
Page 15: ...SM 18001 rev 1 1 1 INSTALLATION 1 Installation...
Page 19: ...SM 18001 rev 1 2 1 OPERATION 2 Operation...
Page 22: ......
Page 23: ...SM 18001 rev 1 3 1 TROUBLESHOOTING 3 Troubleshooting...
Page 75: ...MAINTENANCE SM 18001 rev 1 4 1 4 Maintenance...
Page 130: ......
Page 172: ......
Page 173: ...SM 18001 rev 1 6 1 FIELD WORK INSTRUCTIONS 6 Field Work Instructions...
Page 182: ...6 10 SM 18001 rev 1 FIELD WORK INSTRUCTIONS 6 8 Mollier Chart for R410A f t 3 l b...
Page 183: ...SERVICE PARTS LIST SM 18001 rev 1 7 1 7 Service Parts List...
Page 185: ......
Page 186: ...2018 Johnson Controls Inc SM 18001 rev 1 Code No LIT 12013047 Revised February 2019...