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4. Service procedures 0 Fuse on indoor and outdoor P.C.B. Ass’y …. Both in indoor and outdoor unit *Check the continuity. • Remove the P.C.B. Ass’y from the electrical component box. Then pull out the fuse from the P.C.B. Ass’y. (Fig. 31) Fuses Indoor P.C.B. Ass’y 0644_X_S IV - 41 Fuses Outdoor P.C.B. Ass’y • Then check the continuity of the fuse by using the multimeter. (Fig. 32) 0653_X_S Fuse 0645_X_S Fig. 31 Fig. 32 1 2 3 4 5
1 12 3 4 5 (5) Sensor and Solenoid Layout Diagram Indoor Unit • ASR 425 H TH2 (E1), (RED) TH4 (E3), (BRN) Electronic expansion valve TH3 (E2), (BLK) 1250_X_I TH2 (E1), (RED) TH4 (E3), (BRN) IV - 42 • ASR 436 H • ASR 448 H 4. Service procedures Electronic expansion valve TH3 (E2), (BLK) 1251_X_I
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TECHNICAL DATA & SERVICE MANUAL ASR
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WHO SHOULD USE THIS MANUAL This ser
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Introduction: Read Me First! This m
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1 12 3 4 5 1-1 Unit Specifications
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1 12 3 4 5 1-2 Major Component Spec
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1-2 Major Component Specifications
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1-3 Other Component Specifications
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1 12 3 4 5 1-3 Other Component Spec
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1 12 3 4 5 1-3 Other Component Spec
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1 12 3 4 5 1-4 Dimensional Data (A)
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1 12 3 4 5 1-4 Dimensional Data (A)
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1 12 3 4 5 1-4 Dimensional Data 11
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1-4 Dimensional Data 340 735 (B) Ou
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1-5 Refrigerant Flow Diagram Outdoo
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1-5 Refrigerant Flow Diagram Outdoo
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1-7 Cooling Capacity Indoor Unit :
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● Heating Capacity NOTE Comp. mot
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OCTAVE BAND SOUND PRESSURE LEVEL, d
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1 12 3 4 5 1-8 Noise Criterion Curv
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1-10 Air throw Distance Chart 4-Way
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1-11 Installation Instructions Tubi
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1-11 Installation Instructions Outd
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1-11 Installation Instructions Sele
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1-11 Installation Instructions ■
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1-11 Installation Instructions ■
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1-11 Installation Instructions Elec
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2. Processes and functions 2. PROCE
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(B) Heating REMOTE CONTROL SENSOR (
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2-3 Automatic Fan Speed (Indoor Uni
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2-5 Freeze Prevention (Cooling) 2.
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2-7 Overload Protection (Heating) T
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2-9 Auto. Mode for Automatic Heatin
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2-11 4-Way Valve, Solenoid Control
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2-13 Electronic Expansion Valve II
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2-16 Dehumidifying Operation II - 1
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2-18 Controlled by Electronic Expan
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3. ELECTRICAL DATA 3. Electrical da
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Page 129 and 130: 3-1 Indoor Units 2 Ceiling Mounted
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Page 133 and 134: 3-2 Outdoor Units 1 AER 425 SCLE -
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Page 145 and 146: 1 12 3 4 5 Possible causes of troub
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Page 157 and 158: 1 12 3 4 5 (6) Procedures When a Sp
Page 161 and 162: 1 12 3 4 5 (C) Check the sensor tem
Page 163 and 164: 1 12 3 4 5 This picture shows the s
Page 165 and 166: 1 12 3 4 5 (F) Execute the auto. ad
Page 169 and 170: 1 12 3 4 5 ( I ) Set the indoor uni
Page 173 and 174: 1 12 3 4 5 4-2 Checking the Electri
Page 175 and 176: 1 12 3 4 5 (3) Checking the Protect
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Page 181 and 182: 1 12 3 4 5 Indoor Unit TH2 (E1), (R
Page 183 and 184: 1 12 3 4 5 Outdoor Units • AER 44
Page 185 and 186: 1 12 3 4 5 (7) P.C.B. Setting IV -
Page 187 and 188: 1 12 3 4 5 (9) Automatic Address Se
Page 189 and 190: 1 12 3 4 5 (12) Test Run Procedure
Page 191 and 192: 1 12 3 4 5 5-1 P.C.B. V-2 5. Append
Page 193 and 194: 1 12 3 4 5 5-1 P.C.B. Indoor Unit C
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