Panasonic CS-A18BD3P Service Manual
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Contents
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1 SERVICE INFORMATIONCaution: Pb free solder has a higher melting point than standard solder; Typically the melting point is 50 - 70°F (30 - 40°C) higher. Pleaseuse a high temperature soldering iron. In case of the soldering iron with temperature control, please set it to 700 ± 20°F (370 ±10°C). Pb free solder will tend to splash when heated too high (about 1100° F/600°C).Notice of Address setting for NEW Hide-Away / NEW Outdoor Unit.The new Hide-Away / New Outdoor models are possible to have address setting for twin / triple control or group controlby automatic when main power supply is switched on.(Manual address setting is also possible by using Dip switch on Indoor unit P.C. board.) However, this address setting is onlypossible when made proper wiring connection and also Indoor unit should be original virgin unit.1.1. Example of trouble at test operationIf found out as following phenomenon at test operation on site, it may have possibility of wrong address setting.Therefore, please ensure of the address setting.1. LCD display of wired remote control had not illuminate although the main power supply switch is ‘on’.2. LCD display had indicated as normal illumination when power supply switch is ‘on’, however outdoor unit cannot be operated.(But, it is necessary to take 3 to 5 minutes for outdoor unit to start from the timing of remote control ON/OFF switch is ‘on’.)3. P.C. board had memorized wrong setting information.a. If main power supply is switched ‘on’ with the wrong connection.b. When changing the connection or combination of units due to re-installation etc.•••• When changing the system from twin to triple (triple to twin).•••• When changing the system from group control to normal one to one system.•••• When making the replacement of units as master and slave etc.1.2. Caution of test operationDo not touch the remote control switch and do not change any wirings for one minute when the main power supply switch is ‘on’.(Because the unit is having automatic address setting during the first one minute.)1.3. Caution during automatic address settingWhen main power supply switch is ‘on’, the P.C. board will automatically memorized the connecting system.Consequently, when initial power supply is ‘on’, there will not be interchangeability of units even of the same type and samecapacity unit. Therefore unable to connect the unit to another system.3 |
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