Toshiba MMY-MAP0804FT8(ZG)-E Service Manual page 3

5. CONTROL OUTLINE .............................................................................................. 73
5-1. Indoor Unit .......................................................................................................................... 73
5-2. Outdoor Unit ....................................................................................................................... 79
6. APPLIED CONTROL AND FUNCTIONS (INCLUDING CIRCUIT CONFIGURATION) ... 87
6-1. Indoor Controller Block Diagram ...................................................................................... 87
6-1-1. When Main (Sub) Remote Controller Connected ............................................................. 87
6-1-2. When Wireless Remote Controller Kit Connected ........................................................... 90
6-1-3. When Both Main (Sub) Remote Controller and Wireless Remote Controller Kit
Connected ............................................................................................................................ 93
6-2. Indoor Printed Circuit Board ............................................................................................. 96
6-3. Optional Connector Specifications of Indoor P.C. Board ............................................... 99
6-4. Test Operation of Indoor Unit ......................................................................................... 100
6-5. Method to Set Indoor Unit Function DN Code ............................................................... 101
6-6. Applied Control of Indoor Unit ........................................................................................ 106
6-6-1. Control system using remote control interface (TCB-IFCB4E2) ................................... 106
6-6-2. Ventilating fan control from remote controller ............................................................... 107
6-6-3. Leaving-ON prevention control ........................................................................................ 108
6-7. Applied control for Outdoor Unit .................................................................................... 109
6-7-1. Outdoor Fan High Static Pressure Shift .......................................................................... 109
6-8. Applied Control of Outdoor Unit ..................................................................................... 110
6-8-1. Power peak-cut Control (Standard) .................................................................................. 111
6-8-2. Power peak-cut Control (Extended) ................................................................................. 112
6-8-3. Snowfall Fan Control ......................................................................................................... 113
6-8-4. External master ON/OFF Control ..................................................................................... 113
6-8-5. Night operation (sound reduction) Control ..................................................................... 114
6-8-6. Operation Mode Selection Control ................................................................................... 115
6-8-7. Error/Operation Output ..................................................................................................... 116
6-8-8. Compressor Operation Output ......................................................................................... 117
6-8-9. Operating Rate Output ...................................................................................................... 118
7. TEST OPERATION ............................................................................................... 119
7-1. Procedure and Summary of Test Operation .................................................................. 119
7-2. Check Items before Test Operation (before powering-on) ........................................... 120
7-3. Check at Main Power-on .................................................................................................. 125
7-4. Address Setup .................................................................................................................. 126
7-4-1. Precautions ........................................................................................................................ 126
7-4-2. Address Setup and Check Procedure ............................................................................. 126
7-4-3. Address Setup Procedure ................................................................................................. 127
7-4-4. Check after Address Setup when Central Control System Is Connected .................... 140
7-4-5. Setting when connecting multiple indoor units to a FS (Flow Selector) unit .............. 141
7-4-6. How to set up the cooling only indoor unit ..................................................................... 142
7-5. Troubleshooting in Test Operation ................................................................................. 143
7-5-1. A Check Code Is Displayed on the Remote Controller .................................................. 143
7-5-2. Operation from the indoor remote controller is not accepted, and a check code is
displayed on the 7-segment display of the interface PC board of the header unit ..... 144
7-5-3. There is no display of a check code on the 7-segment display on the interface PC
board of the header unit, although there is indoor unit that is not accepting operation
from the indoor remote controller .................................................................................... 144
7-5-4. In checking the number of connected outdoor units and connected indoor units after
address setup, a lower number of connected units is displayed. (There are outdoor/
indoor units that do not operate in a test operation.) .................................................... 145
7-6. Test Operation Check ...................................................................................................... 147
7-6-1. Fan Check ........................................................................................................................... 147
7-6-2. Cooling/Heating Test Operation Check ........................................................................... 148
7-7. Service Support Function ............................................................................................... 152
7-7-1. Function to Start/Stop (ON/OFF) Indoor Unit from Outdoor Unit ................................. 152
7-7-2. Error Clearing Function .................................................................................................... 158
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