Daikin LXE10E-A18, Service Manual And Parts List

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CONTENTS
SAFETY PRECAUTIONS
• Danger ……………………………………………… 3
• Warning …………………………………………… 4
• Caution ……………………………………………… 5
1. BASIC OPERATION …………………………… 1-1
1.1 Operation range ……………………………… 1-1
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1.2 Names of components ……………………… 1-1
1.3 Operation of refrigeration unit
………………
1-2
1.3.1 Starting operation ……………………… 1-2
1.3.2 Checking during operation ……………… 1-5
1.3.3 Maintenance after operation …………… 1-5
☆ 1.4 Basic operation of electric controller ……… 1-6
1.4.1 Control panel …………………………… 1-6
1.4.2 Operation procedure ……………………… 1-8
1.4.2.1 Current (Operation state) indication
mode ………………………………… 1-8
1.4.2.2 Operation setting mode …………… 1-9
1.4.2.3 Battery mode ……………………… 1-10
1.4.2.4 G-SET operation and manual defrost
operation
……………………………
1-11
1.4.3 Operation mode and control ………… 1-11
2. DATA OF REFRIGERATION UNIT …………… 2-1
2.1 Main specifications …………………………… 2-1
2.2 Names of components ……………………… 2-2
2.2.1 Outside …………………………………… 2-2
2.2.2 Inside ……………………………………… 2-3
2.2.3 Control box ……………………………… 2-4
2.3 Set point of functional parts and protective
devices ………………………………………… 2-5
2.4 Operation pressure and running current …… 2-6
3. OPERATION MODES AND CONTROL ……… 3-1
3.1 Frozen operation ……………………………… 3-2
3.2 Chilled and partial frozen operation ………… 3-4
3.3 Defrosting operation ………………………… 3-6
3.4 Common control ……………………………… 3-9
4. ELECTRONIC CONTROLLER ………………… 4-1
4.1 Function ……………………………………… 4-1
4.2 Operation procedure ………………………… 4-3
☆ 4.2.1 Operation procedure flow chart ………… 4-3
4.2.2 Mode operation procedure ……………… 4-7
4.3 Alarm display and back-up function ……… 4-29
4.3.1 Alarm list
…………………………………
4-29
4.3.2 Alarm code list during PTI(Pre-Trip
Inspection) ……………………………… 4-30
4.3.3 Back-up function code with sensor
malfunction ……………………………… 4-31
4.4 Battery ……………………………………… 4-33
4.4.1 Specifications of battery ……………… 4-33
4.4.2 Battery replacement date ……………… 4-33
4.4.3 Battery replacement procedure ……… 4-33
4.5 Information interchange with personal computer … 4-34
4.5.1 Data logging …………………………… 4-35
4.5.2 Software configuratioin ………………… 4-36
4.6 Inspection procedure of the electronic controller … 4-38
4.7 Controller replacement and initial setting
…
4-39
4.7.1 Controller replacement ………………… 4-39
4.7.2 Initial setting of controller ……………… 4-41
4.8 Optional ……………………………………… 4-41
5. PTI(Pre-Trip Inspection) AND PERIODIC
INSPECTION ……………………………………… 5-1
5.1 Inspection item ……………………………… 5-2
5.2 Automatic PTI(Pre-Trip Inspection) ………… 5-5
5.2.1 Short PTI (S.PTI) ………………………… 5-6
5.2.2 Full PTI (F.PTI) ………………………… 5-7
5.2.3 Alarm list during PTI(Pre-Trip Inspection) 5-8
5.2.4 Manual check (M.CHECK)
……………… 5-9
6. CHARTLESS FUNCTION ……………………… 6-1
6.1 Chart indication mode ……………………… 6-1
6.2 Temperature record scroll indication function …… 6-3
6.3 Alarm record scroll indication function ……… 6-5
6.4 Chartless code display function …………… 6-6
6.4.1 P code …………………………………… 6-6
6.4.2 H code …………………………………… 6-6
6.4.3 d code …………………………………… 6-6
6.4.4 List of chartless code …………………… 6-7
7. MAIN COMPONENTS AND MAINTENANCE … 7-1
7.1 Components related with refrigeration circuit … 7-1
7.1.1 Scroll compressor ……………………… 7-1
7.1.2 Air-cooled condenser and evaporator … 7-2
7.1.3 Fusible plug ……………………………… 7-2
7.1.4 Dryer ……………………………………… 7-3
7.1.5 Liquid/moisture indicator ……………… 7-3
7.1.6 Electronic expansion valve …………… 7-4
7.1.7 Suction modulation valve ……………… 7-5
7.1.8 Solenoid valve …………………………… 7-6
7.1.9 Discharge pressure regulating valve … 7-7
7.1.10 Check valve …………………………… 7-8
7.1.11 High-pressure switch (HPS) ………… 7-8
7.1.12 Low pressure transducer (LPT) ……… 7-9
7.1.13 High pressure transducer (HPT) ……… 7-9
7.2 Fan and fan motor ………………………… 7-10
7.3 PT and CT board …………………………… 7-11
8. Maintenance service …………………………… 8-1
8.1 Collection of refrigerant ……………………… 8-1
8.2 Installation and removal of gauge manifold 8-1
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8.3 Automatic pump down ……………………… 8-3
8.4 Replacement and charge of refrigerant …… 8-5
8.5 Vacuum dehydrating ………………………… 8-7
9. OPTIONAL DEVICES …………………………… 9-1
9.1 Electronic temperature recorder …………… 9-1
9.2 USDA receptacle and sensor ……………… 9-3
9.3 Trans FRESH ………………………………… 9-5
10. TROUBLESHOOTING ………………………… 10-1
10.1 Refrigeration system and electrical system 10-1
10.2 Alarm codes on electronic controller
…… 10-4
10.3 Troubleshooting for automatic PTI ……… 10-8
10.4 Diagnosis based on the recording chart 10-10
10.5 Emergency operation
…………………… 10-13
10.5.1 Emergency operation of controller
…
10-13
10.5.2 Short circuit operation of controller 10-14
10.5.3 Emergency operation of electronic
expansion valve …………………… 10-17
10.5.4 Emergency operation of suction
modulating valve …………………… 10-17
10.5.5 Emergency operation of supplyf creturn
air temperature sensors (optional) … 10-18
11. APPENDIX ……………………………………… 11-1
11.1 Standard tightening torques for bolts …… 11-1
11.2 Standard tightening torques for flare nuts … 11-1
11.3 Resistance of motor coil and solenoid valve
coil …………………………………………… 11-1
11.4 HFC134a, temperature-vapor pressure
characteristics table ……………………… 11-2
11.5 Temperature conversion table and
temperature sensor
(SS/RS/DSS/DRS/RSS/RRS/EIS/EOS/SGS/
AMBS) characteristics table
……………… 11-3
11.6 Temperature conversion table and temperature
sensor(DCHS) characteristics table ……… 11-4
11.7 High pressure transducer characteristics table … 11-4
11.8 Low pressure transducer characteristics table … 11-4
☆ 11.9 Piping diagram …………………………… 11-5
11.10 Pilot lamps and monitoring circuit ……… 11-6
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11.11 Schematic wiring diagram ……………… 11-7
11.12 Stereoscopic wiring diagram …………… 11-8
*Diffirences from standard model service manual (TR01-09) are marked with
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