Main
TEST RUN SERVICE MANUAL
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ii
Check of Density Limit
NOTE
Contents
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1-2
1. Test Run
1. Preparing for Test Run
1-3
*1
CASE 3B CASE 3A
1. Test Run
2. Test Run Procedure Items to Check Before the Test Run
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1-5
2. Setting of Unit Control PCB
10 20
Unit No. setting
No. of outdoor units
System address No.
1-6
1. Auto Address Setting Basic wiring diagram: Example (1)
(Unit No. 2)
(Unit No. 1)
1-10
1-7
1-1 1-2
2-1 2-2 2-9
1-3 1-13
Basic wiring diagram: Example (2)
1-8
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1-10
Automatic Address Setting* from the Remote Controller
1-11
Display during automatic address setting
1-12
4. Remote Controller Test Run Settings
Request concerning recording the indoor/outdoor unit combination Nos.
Checking the indoor unit addresses
<If 1 indoor unit is connected to 1 remote controller>
<If multiple indoor units are connected to 1 remote controller (group control)>
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1-14
6. Meaning of Alarm Messages
6. Meaning of Alarm Messages Table of Self-Diagnostics Functions and Description of Alarm Displays
1-15
6. Meaning of Alarm Messages
P ossible cause of malfunction
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5. Group Control Using 2 Remote Controllers
6. Remote Controller Setting Mode
7. Indoor Unit Setting Mode
8. To Display the Sensor Temperature:
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1,3,43,4 2
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1,2,3,4 4 2,3,4
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3,51 2,4
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2-32
List of Simple Setting Items
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List of Detailed Setting Items
Setting data
2-35
Setting data DescriptionNo.
Item Item code
2-36
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1. Contents of Remote Controller Switch Alarm Display
Possible cause of malfunction
3-3
1. Contents of Remote Controller Switch Alarm Display
Possible cause of malfunction
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W-2WAY ECO-i Trouble Diagnosis
3-6
S004 S005
CN001
3-7
3-8
3-9
3-10
3-11
3-12
3-13
3-14
3-15
3-16
HIC -
HIC +
HIC PCB
3-17
settings will also correct alarm L06.
Refer to the description of alarm L05.
3-18
3-19
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(-) (+)
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4. Blinking (Inspection) Display on the Remote Controller
Blinking inspection display (2) (compressor magnet SW seizing detection)
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1. Outdoor Unit Control PCB
4-2
1. Outdoor Unit Control PCB CR-CHDX14053
4-3
1. Outdoor Unit Control PCB
2. Functions (for CR-CHDX14053)
4-4
1. Outdoor Unit Control PCB
4-5
1. Outdoor Unit Control PCB
4-6
1. Indoor Unit Control PCB Switches and Functions Indoor unit control PCB
4-7
1. For AC Fan Motor (CR-UXRP71B-B)
2. For DC Fan Motor (CR-SXRP56B-B)
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6. Explanation of Functions (CR-KXRP56AN, CR-KXRP80AN, POW-KRP50A)
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5-4
Alarm code Alarm meaning
The outdoor unit maintenance remote controller can be used to check the alarm display.
(Refer to Checking the LED 1 and 2 Alarm Display on the Outdoor Unit Control PCB.)
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6-4
and correspond to Fig. 6-3 on the next page.
Display (functions) The item codes can be changed with the and buttons.
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Concerning the 7-segment 4-digit display of remote controller timer time Display of unit Nos. 1 20
Display of unit Nos. 21 40
DN Description Remarks
