Panasonic S-200PE1E8 Technical Data & Service Manual

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Panasonic S-200PE1E8 Technical Data & Service Manual Manual pdf 101 page image

4-1144-5. Outdoor Unit Control PCB (CR-C906VH8P)Explanation of FunctionsAuto Addresspin(CN047)2P (white): Automatic address setting switch• If the system address switch (S002: set to 0 at time of shipment) setting is other than “0”(centralcontrol), press this switch once to automatically set the addresses at all indoor units which arein the same system, and are connected to that outdoor unit.During automatic address setting, the 2 LEDs (red) on the outdoor unit control PCB blinkalternately. (Pressing this switch again stops automatic address setting.)• If automatic address setting is currently in progress at another system that is subject to centralcontrol, only LED 1 on the outdoor unit control PCB blinks to indicate that automatic addresssetting is in progress at another unit. If automatic address setting is in progress at another unit,automatic address setting cannot be made at this unit, even if S001 is pressed.* After the power is turned ON, automatic address setting will not be functioned for over 1 minuteand 30 seconds.S002 Rotary switch (10 positions, black): System address setting switch• This switch is set to 0 (1 system control) at the time of shipment. However the address for eachsystem must be set when multiple systems are controlled or when central control is used.(Figure 1)• If the system address is set to 0, automatic address setting is started when the power is turnedON. Therefore it is not necessary to use switch SW01 and perform automatic address settingin the case of single or simultaneous-operation multi control of a single system.• When using central control for multiple systems, a maximum of 30 systems (maximum 64units) can be connected. In the case of group control or central control, set the system addressto a setting other than 0 (1 or above).• If the number of systems is greater than 9, this switch can be used in combination with DIPswitch S003 to set up to 30 systems. The setting can be made as high as 39, however allsettings above 30 are handled as 30 for control. (For details, refer to Table 4-1.)• If system addresses are duplicated (the same address exists more than once), LED 1 on theoutdoor unit control PCB lights up, and alarm “L04” is displayed on the remote controller.S003 DIP switch (2P, blue): System address 10s-digit and 20s-digit place setting switch• When setting 10 systems or more, set this switch in combination with S002.• For 10 – 19 systems, set 1P (10s-digit place) to ON.• For 20 – 29 systems, set 2P (20s-digit place) to ON, and set 1P (10s-digit place) to OFF.• For 30 systems, set both 1P (10s-digit place) and 2P (20s-digit place) to ON.(For details, refer to Table 4-1.)PUMP DOWNPin(CN048)PUMP DOWN Pin (2P, white)• Press this switch to perform refrigerant recovery control using cooling operation.The indoorunit fan will operate at HIGH and 55 Hz for a maximum of 10 minutes. When refrigerantrecovery is completed, close the valves and press this switch to stop the operation.Test (CN033) 2P plug (red): Pin used for PCB inspection at the factoryEXCT (CN030) 3P plug (red): Can be used for demand control• The operating ranges are shown in the table.Note 1:The maximum length of the wiring between the outdoor unit PCB and the relay is 2 m.• Lead wire with 3P plug (special-order part : CV6231820530)• Relay (fi eld supply) contact input specifications : minimum compatible load 0.1mARelay (field supply)EXCTplug(CN030) Demandinput 2Demandinput 1Outdoor unit control PCBShort-circuited Operating range2P and 3P 1P and 3P0 0 No limit0 1 100% at shipment1 0 70% at shipment1 1 OFF213213