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Panasonic U-4LE2E8 Service Manual & Test Run Service Manual
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REFERENCE NO.
SM830258-01
SER
VICE MANU
AL & TEST RUN SERVICE MANUAL
Order No. SBPAC1706004CE
SM830214-042WAYSYSTEM.indb1
2014/08/2617:18:12
Mini VRF SYSTEM
Model No.
Outdoor Units
HP = horsepower
T
ype
Outdoor Unit T
ype
Rated Capacity
4 HP
5 HP
6 HP
LE2
mini VRF System
U-4LE2E8
U-5LE2E8
U-6LE2E8
U-4LE2E5
U-5LE2E5
U-6LE2E5
SM830258-01_欧州向け_1fan_mini_VRF.indb 1
18/03/02 10:16:57
2
Table of Contents
Default Chapter
9
Default Chapter
9
Table of Contents
9
Introduction
12
Compressor Control
13
Output of PCB
20
Outdoor Unit Fan Control
22
Outdoor Unit CCU (Command Controller Unit) Control
26
Oil Control
31
Way Valve Adjustment Control
33
Defrost Control
34
Demand Control
36
Other Functions
40
Detailed Settings in EEPROM of Outdoor Unit
43
Outdoor Unit Control PCB
45
Electrical Data
52
CONTROL FUNCTIONS - Indoor Unit
55
Room Temperature Control
56
Heating Standby
58
Automatic Fan Speed Control
59
Indoor Unit MOV Control
60
Drain Pump Control
60
Automatic Heating / Cooling Control
61
Discharge Air Temperature Control
62
RAP Valve Kit Control
62
Automatic Flap Control
63
Filter Sign
63
Fan Control During Dry Mode
64
Ventilation Fan Output
65
T10 Terminal
65
Parameter
66
Outdoor Unit Repair Procedures
67
Removing Panels
68
Discharging Compressor Oil
69
Recovering Refrigerant
70
Checking for Leakage after Repair
75
Evacuating System
76
Charging Compressor Oil
77
Pumping out Refrigerant from Outdoor Unit
81
Compressor
84
Section 4: OUTDOOR UNIT MAINTENANCE REMOTE CONTROLLER
89
Outdoor Unit Maintenance Remote Controller
90
Overview
90
Functions
91
Ordinary Display Controls and Functions
92
Monitoring Operations
97
Outdoor Unit Alarm History Monitor
99
Mode Settings
100
Remote Controller Functions
101
Simple Settings Function
102
Detailed Settings Function
108
Remote Controller Servicing Functions
118
Section 6: TROUBLE DIAGNOSIS
129
Contents of Remote Controller Switch Alarm Display
130
Outdoor Unit Control Panel LED Display
132
Mini VRF Alarm Codes
133
Mini VRF Alarm Codes
134
Inspection and Characteristics of Parts
150
Test Pin
153
Symptom: Thermostat in off Continues or Cycles off & on too Frequently
154
Trouble Diagnosis
129
Section 7: TEST RUN
155
Preparing for Test Run
156
Test Run Procedure
157
Main Outdoor Unit P.C.board Setting
158
Auto Address Setting
163
Setting Test Run Remote Controller
169
Caution for Pump down
170
Self-Diagnosis Function Table and Contents of Alarm Display
170
Test Run
155
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Panasonic U-4LE2E8 Specifications
General
Brand
Panasonic
Model
U-4LE2E8
Category
Air Conditioner
Language
English
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