CONTENTS
3.5.1 Specifications .......................................3-36
3.5.2 Function................................................3-36
3.5.3 Battery check
(When using optional recargeable battery)
...3-36
3.5.4 Battery replacement
(Rechargeable battery)
............................
3-37
3.6
Information interchange with personal computer
...3-38
3.6.1 Data logging .........................................3-39
3.6.2 Software configuration..........................3-40
3.7 Inspection procedure for the electronic
controller .....................................................3-42
3.8
Controller replacement and the initial setting
...3-43
3.8.1 Controller replacement .........................3-43
3.8.2 Compatibility of controller DECOSⅢd with
Ⅲc and Ⅲb ..........................................3-44
3.8.3 LXE10E-1, LXE10E-A & LXE10D Initial
setting procedure
(for spare controller of DECOSⅢd,
DECOSⅢc & DECOSⅢb) ...................3-46
3.8.4 LXE10E-1 & LXE10E-A Initial setting table
into spare controller DECOSⅢd ..........3-47
3.8.5 LXE10E-A Initial setting table into spare
controller DECOSⅢc ...........................3-48
3.8.6 LXE10D Initial setting table into spare
controller DECOSⅢb ...........................3-49
3.9
PTI (Pre-Trip Inspection) and periodic inspection
...3-50
3.9.1 Inspection item .....................................3-51
3.9.2 Automatic PTI (Pre-Trip Inspection) .....3-54
3.9.2.1 PTI selection mode........................3-55
3.9.2.2 Short PTI (S.PTI)...........................3-56
3.9.2.3 Full PTI (F.PTI)..............................3-57
3.9.2.4 Alarm list during PTI
(Pre-Trip Inspection)......................3-58
3.9.2.5 Manual check (M.CHECK) ............3-59
3.10 Chartless function .....................................3-61
3.10.1 Chart indication function.....................3-61
3.10.2 P code (Pull down time indication) .....3-63
3.10.3 Chartless code display function..........3-64
3.10.3.1 List of chartless code...................3-64
3.10.3.2 H-code.........................................3-65
3.10.3.3 d-code: ........................................3-67
3.11 Communication modem ............................3-68
4. SERVICE AND MAINTENANCE........................4-1
4.1 Maintenance service .....................................4-1
4.1.1 Collection of refrigerant ..........................4-1
4.1.2 Gauge manifold ......................................4-1
4.1.3 Automatic pump down............................4-3
4.1.4 Refrigerant recovery and charge............4-5
4.2 Main components and maintenance .............4-8
4.2.1 Scroll compressor...................................4-8
4.2.2 Fan and fan motor ................................4-12
4.2.3 PT and CT board (EC9756) .................4-13
4.2.4 Electronic expansion valve...................4-15
SAFETY PRECAUTIONS
• Danger .................................................................3
• Warning................................................................4
• Caution.................................................................5
1. INTRODUCTION.................................................1-1
1.1 Operation range ............................................1-1
1.2 Basic names of components .........................1-1
1.3 Basic operation of refrigeration unit ..............1-2
1.3.1 Starting operation ...................................1-2
1.3.2 Checking during operation .....................1-3
1.3.3 Procedure after operation.......................1-3
1.3.4 Adjust the ventilation ..............................1-4
2. GENERAL DESCRIPTION.................................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......................................................2-5
2.2.3 Control box .............................................2-7
2.3 Set point of functional parts and protection
devices
.........................................................
2-12
2.4 Operating pressure and running current .....2-13
2.5 Operation modes and control......................2-17
2.5.1 Frozen mode ........................................2-18
2.5.2 Chilled and partial frozen mode............2-20
2.5.3 Defrosting mode ...................................2-22
2.5.4 Dehumidification (Optional) ..................2-25
2.5.5 Common control ...................................2-26
3. ELECTRONIC CONTROLLER...........................3-1
3.1 Function table................................................3-1
3.2 Basic operation of electronic controller .........3-3
3.2.1 Control panel ..........................................3-3
3.3 Operation procedure .....................................3-6
3.3.1 Operation procedure flow chart ..............3-6
3.3.2 Mode operation procedure .....................3-9
1.
Current (Operation state) indication mode
...3-9
2. Operation setting mode ........................3-10
3. Battery mode ........................................3-11
4. Mode operation ....................................3-12
5. LED display light-OFF mode ................3-14
6. Sensor indication mode........................3-15
7. Temperature record scroll mode ..........3-18
8. Alarm record scroll mode .....................3-21
9. PTI record scroll mode .........................3-23
3.3.3 Setting flow chart..................................3-24
10. Optional function setting mode...........3-26
11. Basic function setting mode ...............3-27
12. Optional condition setting mode .........3-29
13. Input data mode .................................3-31
14. Controller software download mode...3-32
3.4 Alarm display and back-up function ............3-33
3.4.1 Alarm list...............................................3-33
3.4.2
Back-up operation at sensor malfunction
...3-34
3.5 Back up Battery...........................................3-36
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