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2 About Lead Free Solder (PbF)
1
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8 Wiring Diagram
2
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4 Product Specifications
8
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2.2 kW + 2.2 kW
9
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APPROXIMATE COOLING AND HEATING CAPACITIES
10
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INDOOR UNIT (CS-
12
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OUTDOOR UNIT (CU-2E15CBPG/2E18CBPG)
13
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OUTDOOR UNIT (CU-3E23CBPG)
14
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OUTDOOR UNIT (CU-4E27CBPG)
15
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6 Refrigeration Cycle Diagram
16
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OUTDOOR UNIT (CU-3E23CBPG/CU-4E27CBPG)
17
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7 Block Diagram
18
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9 Operation Details (Functions & Protection)
23
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Room Temperature Control (Compressor Control)
24
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Airflow direction Control
25
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Indoor Fan Control
26
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1. Automatic fan speed
28
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Dry Mode Operation
29
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2. Sleep mode operation during heating operation
32
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Filter Cleaning Indicator
33
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Odour Clear Mode Operation (Off-Season)
34
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9.1.10. Auto Restart Control
36
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9.1.11. Other Indoor Unit Operation Functions
37
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Setting the air conditioner unit to “B”
38
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9.1.12. Self Diagnosis display
39
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9.1.12.1. Error Cord
40
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OUTDOOR UNIT OPERATION (CU-2E15CBPG/2E18CBPG)
41
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Time Delay Safety Control
42
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Over Load Protection Control (Cooling . Dry Mode)
43
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OUTDOOR UNIT OPERATION (CU-3E23CBPG/CU-4E27CBPG)
46
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Forced Cooling Operation Control
47
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d. R410A refrigerating machine oil
50
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10.2.2. R410A Tools
51
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5. Charging hose
52
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8. Electronic scale for refrigerant charging
53
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10.3. REFRIGERANT PIPING WORK
54
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2. Procedure and precautions for flare connection
55
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11.1.2. The Shapes of the 3-way Valve
60
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11.2. OUTDOOR UNIT (CU-3E23CBPG)
61
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11.3. OUTDOOR UNIT (CU-4E27CBPG)
62
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11.4. PIPING LENGTH
63
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12 Installation Instruction
64
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Indoor Unit Installation Diagram
65
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More than 440 mm
66
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: Centre of the piping hole
67
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Terminals on the indoor unit
68
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12.2. OUTDOOR UNIT (CU-2E15CBPG/2E18CBPG)
70
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Connect the piping
71
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Control board cover
72
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12.3. OUTDOOR UNIT (CU-3E23CBPG/CU-4E27CBPG)
73
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Outdoor Unit Installation Guidelines
75
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1 Installing Outdoor Unit
76
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Purging Air and Checking Gas Leakage
77
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Do not turn ON the safety breaker until all work
78
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13 Servicing Information
80
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13.2. SELF DIAGNOSIS DISPLAY
82
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pipe temp. sensor
83
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Indoor operating unit
84
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DC peak detection
86
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13.2.2. OUTDOOR UNIT (CU-3E23CBPG/4E27CBPG)
87
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13.3. DISASSEMBLY OF PARTS
88
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Remove the control board complete.
89
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13.3.2. OUTDOOR UNIT (CU-2E15CBPG/2E18CBPG)
92
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13.3.2.3. Removing the Control P.C. Board
93
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13.3.3. OUTDOOR UNIT (CU-3E23CBPG/CU-4E27CBPG)
94
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13.3.3.3. Removing the Control P.C. Board
96
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14 Technical Data
97
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15 Electronic Circuit Diagram
103
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15.2. INDOOR UNIT
104
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24 hours OFF/ON timer
105
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15.3. OUTDOOR UNIT (CU-2E15CBPG/2E18CBPG)
106
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2-ROOM OUTDOOR 2/3
107
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15.4. OUTDOOR UNIT (CU-3E23CBPG/CU-4E27CBPG)
109
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3, 4-ROOM OUTDOOR 2/2
110
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16 Exploded View & Replacement Parts List
111
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16.1.2. Replacement Parts List
112
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16.2.1. Exploded View
113
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16.2.2. Replacement Parts List
114
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Part Name & Description
115
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16.3.1. Exploded View
116
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16.3.2. Replacement Parts List
117
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16.4.1. Exploded View
119
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16.4.2. Replacement Parts List
120
