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(6) Thermistor Characteristic Curve (1) Room temp. sensor : TH1 (KTEC-35) TH5 (KTEC-35) Resistance (kn ) 10 9 8 7 6 5 4 3 2 1 10 15 20 25 30 35 40 (3) Compressor discharge gas temp. sensor : TH8 (PTC-51H) Resistance (kn ) 7 6 5 4 3 2 1 Temperature (°C) 0374_M_I Resistance (kn ) 80 90 100 110 120 130 Temperature (°C) IV - 47 4. Service procedures (2) Indoor heat exch. coil sensor : TH2(E1), TH3(E2), TH4(E3) Outdoor heat exch. coil sensor : TH6(C1), TH7(C2) 40 35 30 25 20 15 10 5 0 ( PBC-41E) ( PB3M-41E) –20 –15 –10 –5 0 5 10 15 20 0376_M_I Temperature (°C) 0375_M_I 1 2 3 4 5
1 12 3 4 5 (7) P.C.B. Setting IV - 48 4. Service procedures ● Setting of outdoor control PCB (A) Standard control (single outdoor unit) In case of single outdoor unit installation, even if in case of twin, triple or quartet type (2, 3 or 4 indoor units), no setting necessary. Keep factory shipment state (R.C. address is set in “0”). In this case, auto. address operation takes place automatically for the first time when the power is switched on. This takes about a few minutes. (B) Group control (Multiple outdoor units) In case of group control (up to 8 indoor units can be connected with one remote controller), before turning the power supply on set the R.C. address with S2, S3 on the outdoor control PCB. R.C. address: Refrigerant circuit address 1 ~ 30. Regarding the example of R.C. address for group control, please refer to page 53 and sec. 12-3 (page 87). (C) Central control (when using the system controller) In case of central control (when using the system controller,that is, when linking outdoor units in a network), (a) Before turning the power supply on, set the R.C. address with S2, S3 on the outdoor control PCB. (b) Remove the short plug (CN4, 2P Black) from all outdoor units except any one of outdoor unit. Regarding the example of R.C. address for central control and the position of CN4, please refer to page 54 and sec. 12-3 (page 87). ● Setting of indoor control PCB No setting necessary. Each indoor unit address (UNIT No.: R.C. – No.) is decided after auto. address operation. Indoor unit No. Refrigerant Circuit No. (R.C. address) Manual setting for indoor unit address can be performed also by remote controller.
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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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3-1 Indoor Units 1 4-Way Air Discha
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3-1 Indoor Units 2 Ceiling Mounted
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3-1 Indoor Units 6 Concealed Duct T
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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
Page 179 and 180: 1 12 3 4 5 (5) Sensor and Solenoid
Page 181 and 182: 1 12 3 4 5 Indoor Unit TH2 (E1), (R
Page 183: 1 12 3 4 5 Outdoor Units • AER 44
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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