Panasonic 26PEK2U6 26PEK2U6 Service Manual - Page 263

5. Outdoor unit maintenance remote control 5-3. Normal Display Operations and Functions Normal display functions • Connect the special service checker wiring to the outdoor unit PCB. The connection is shown in the figure below. RC (3P, blue) PCB connector (3P, blue) Special service checker wiring Outdoor unit PCB Relay connector (2P, white) Remote controller Assy * It is not necessary to disconnect the communications line in the inter-unit control wiring if it has already been connected at this time. * Setting modes 1 and 2 can be used even when the outdoor unit is independent (when 1 maintenance remote controller is connected to 1 outdoor unit and automatic address setting for the indoor units has not been completed). * Displays the overall system status for that refrigerant system. All units start/stop (Fig. 1) The button can be used to start and stop all the indoor units. • The LED turns ON when 1 or more indoor units is operating. • The LED blinks when an alarm has occurred at 1 or more indoor units during operation. Fig. 1 Switching between cooling/heating (Fig. 1) The button switches between heating and cooling modes. • The specifications are equivalent to the heating/cooling input that was present on earlier outdoor unit PCBs. • The display shows the operating mode of the indoor unit with the lowest number. Fig.2 All units test run (Fig. 2) The button switches test run ON/OFF for all indoor units. • Press and hold for 4 seconds to turn ON. " TEST " is displayed while the test run is in progress. • Conditions of test runs that are started from the unit remote controller are 5 not displayed on the outdoor unit maintenance remote controller. 5-3