Panasonic 26PEK1U6 Tech Data - Service Manual - Page 141
Table 1. Method of System Address Setting, S002 rotary, black, S003 2P DIP switch, green or blue]
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2. Processes and functions Terminal plug (CN015) Quiet mode (CN028) 3P plug (black): Terminal plug for the communications line • At the time of shipment from the factory, the short-circuiting socket (2P, black) is installed between pins 1 and 2 on the terminal plug (terminal = yes). • When central control is used for multiple systems, leave the short-circuiting socket in place only on the outdoor unit with a system address of 1. At all other outdoor units (other than unit No. 1), move the short-circuiting socket to between 2 and 3 (terminal = no). If multiple short-circuiting sockets remain in place during central control, a communications failure will occur. • In the case of a single system only (system address = 0), do not remove the shortcircuiting socket. (Alarm "E04" will occur.) 2P plug (white): Enables operation in quiet mode. • The outdoor unit fan and compressor frequencies are subject to limits during operation. • Low-noise operation is enabled when the relay is turned ON. Example of wiring Relay (field supply) Power 11 Quiet mode 22 CN028 External contact (timer input, etc.: field supply) Outdoor unit control PCB Note 1: The maximum length of the wiring between the outdoor unit PCB and the relay is 2 m. • Lead wire with 2P plug (special-order part: WIRE K/ CV6231612098) • Relay, field supply, contact input specifications: DC 5 V, 0.5 mA (Recommended relay: Fuji Electric HH62SW, compatible with micro contacts) • Use a commercially available timer (such as the Omron H5 daily time switch). 2 Table 1. Method of System Address Setting [S002 (rotary, black), S003 (2P DIP switch, green or blue)] Outdoor system S002 setting S003 setting address No. (system address switch) 1P (10s-digit place) 2P (20s-digit place) 1 system only 1 0 OFF OFF 1 2 3 4 5 6 7 8 9 10 11 12 Central 13 control 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 1 OFF OFF 2 OFF OFF 3 OFF OFF 4 OFF OFF 5 OFF OFF 6 OFF OFF 7 OFF OFF 8 OFF OFF 9 OFF OFF 0 ON OFF 1 ON OFF 2 ON OFF 3 ON OFF 4 ON OFF 5 ON OFF 6 ON OFF 7 ON OFF 8 ON OFF 9 ON OFF 0 OFF ON 1 OFF ON 2 OFF ON 3 OFF ON 4 OFF ON 5 OFF ON 6 OFF ON 7 OFF ON 8 OFF ON 9 OFF ON 0 ON ON System controller 2-11 Out- Out- door door In- In- door door Fig. 6 Out- Out- door door In- In- door door