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(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
Содержание CIDH018B21S
Страница 2: ......
Страница 10: ...viii SM 18001 rev 1...
Страница 15: ...SM 18001 rev 1 1 1 INSTALLATION 1 Installation...
Страница 19: ...SM 18001 rev 1 2 1 OPERATION 2 Operation...
Страница 22: ......
Страница 23: ...SM 18001 rev 1 3 1 TROUBLESHOOTING 3 Troubleshooting...
Страница 75: ...MAINTENANCE SM 18001 rev 1 4 1 4 Maintenance...
Страница 76: ...MAINTENANCE 4 2 SM 18001 rev 1 4 1 Maintenance of Outdoor Unit Refer to the Service Manual for Outdoor Unit...
Страница 130: ......
Страница 131: ...SM 18001 rev 1 5 1 EXTERNAL INPUT OUTPUT AND FUNCTION SETTING 5 External Input Output and Function Setting...
Страница 172: ......
Страница 173: ...SM 18001 rev 1 6 1 FIELD WORK INSTRUCTIONS 6 Field Work Instructions...
Страница 182: ...6 10 SM 18001 rev 1 FIELD WORK INSTRUCTIONS 6 8 Mollier Chart for R410A f t 3 l b...
Страница 183: ...SERVICE PARTS LIST SM 18001 rev 1 7 1 7 Service Parts List...
Страница 184: ...SERVICE PARTS LIST 7 2 SM 18001 rev 1 Refer to the Service Parts List for Ducted High Static Medium Static and Slim...
Страница 185: ......
Страница 186: ...2018 Johnson Controls Inc SM 18001 rev 1 Code No LIT 12013047 Revised February 2019...