Table Of Contents - Toshiba MMY-MUP0801HT8JP Service Manual

Safety Caution ....................................................................................................... 6
Refrigerant (R410A)............................................................................................ 13
1. WIRING DIAGRAMS .............................................................................................. 16
2. PARTS RATING ...................................................................................................... 19
2- 1. Outdoor Unit (50Hz model: MMY-MUP***1HT8*) ............................................................. 19
2- 2. Outdoor Unit (60Hz model: MMY-MUP***1HT7*) ............................................................. 20
2- 3. Outdoor Unit (50Hz model: MMY-MUP***1HT8P-A) ......................................................... 21
2- 4. Winding resistance of outdoor unit main parts............................................................... 22
2- 5. Inverter Assembly .............................................................................................................. 23
2- 6. Parts Layout in Outdoor Unit ............................................................................................ 24
2- 7. Parts Layout in Inverter Assembly ................................................................................... 25
2- 8. Outdoor (Inverter) Print Circuit Board ............................................................................. 28
2- 8-1. Interface P.C. board (MCC-1747) ............................................................................. 28
2- 8-2. Noise Filter P.C. board (MCC-1748) ........................................................................ 29
2- 8-3. Inverter P.C. board for compressor (MCC-1729) ................................................... 30
2- 8-4. Inverter P.C. board for fan (MCC-1734) .................................................................. 31
2- 8-5. USB isolate P.C. board (MCC-1754) ........................................................................ 32
3. REFRIGERANT PIPING SCHEMATIC DRAWING ................................................ 33
4. COMBINED REFRIGERANT PIPING SYSTEM SCHEMATIC DIAGRAMS .......... 38
4- 1. Refrigerant Flow (Cooling) ................................................................................................ 38
4- 2. Refrigerant Flow (Single Defrost) ..................................................................................... 39
4- 3. Refrigerant Flow (Heating) ................................................................................................ 40
4- 4. Refrigerant Flow (Individual Defrost) .............................................................................. 41
4- 5-1. (1) Refrigerant Flow (Automatic emergency cooling) .......................................... 42
4- 5-2. (1) Refrigerant Flow (Automatic emergency heating) .......................................... 44
4- 6. Refrigerant Flow (Reclaim) ............................................................................................... 46
5. CONTROL OUTLINE .............................................................................................. 47
5-1. Outdoor Unit ........................................................................................................................ 47
5-2. Indoor Unit ........................................................................................................................... 56
6. APPLIED CONTROL AND FUNCTIONS ............................................................... 67
1. Optional Connector Specifications of Indoor P.C.Board...................................................67
6-
6- 2. Test Operation of Indoor Unit ............................................................................................ 69
6- 3. Method to Set Indoor Unit Function DN Code ................................................................. 70
6- 4. Method to set Outdoor Unit Function Code No. (O.DN ) .................................................. 77
6- 5. Applied Control of Indoor Unit .......................................................................................... 82
6- 6. Applied Control of Outdoor Unit ....................................................................................... 86
6- 6-1. Outdoor Fan High Static Pressure Shift ................................................................ 86
6- 6-2. Priority Operation Mode Setting ............................................................................. 87
6- 6-3. Applied Control of Outdoor Unit ............................................................................ 90
6- 7. Notice Code .......................................................................................................................101
6- 8. System Cooperation Defrosting ...................................................................................... 103
6- 9. Night operation (Sound reduction control) ..................................................................... 106
7. TEST OPERATION ............................................................................................... 108
7- 1. Procedure and Summary of Test Operation .................................................................. 108
7- 2. Check Items before Test Operation (before powering-on) ........................................... 109
7- 3. Check at Main Power-on ................................................................................................. 115
7- 4. Address Setup ................................................................................................................. 117
7- 4-1. Precautions ............................................................................................................ 117
7- 4-2. Address Setup and Check Procedure .................................................................. 117
7- 4-3. Address Setup Procedure ..................................................................................... 118
7- 4-4. Check after Address Setup when Central Control System Is Connected ........ 135
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