Daikin 4MXS68F2V1B Installation Manual

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Contents

Daikin 4MXS68F2V1B Installation Manual Manual pdf 17 page image

15 ■EnglishTest Run and Final Check• Before starting the test run, measure the voltage at the primary side of the safety breaker. Check that it is 220-240V.• Check that all liquid and gas stop valves are fully open.• Check that piping and wiring all match. The wiring error check can be conveniently used for underground wiring and other wiringthat cannot be directly checked.1. Wiring error check• This product is capable of automatic correction of wiring error.• Press the “wiring error check switch” on the outdoor unit service monitorprint board. However, the wiring error check switch will not function forone minute after the safety breaker is turned on, or depending on theoutside air conditions (See NOTE 2.). Approximately 10–15 minutesafter the switch is pressed, the errors in the connection wiring will becorrected.If self-correction is not possible, check the indoor unit wiring and pipingin the usual manner.NOTE:1) For two rooms, LED 3 and 4 are not displayed, and for three rooms, LED 4 is not displayed.2) If the outside air temperature is 5°C or less , the wiring error check function will not operate.3) After wiring error check operation is completed, LED indication will continue until ordinary operation starts.This is normal.4) Follow the product diagnosis procedures. (Check the nameplate on the underside of the stop valve.)Wiring errorcheck switch(SW3)Service PC-boardThe service monitor LEDs indicate whether or not correction ispossible, as shown in the table below. For details about how to read theLED display, refer to the service guide.LEDStatus1 2 3 4All Flashing Automatic correction impossibleAutomatic correction completedAbnormal stop [NOTE. 4]MessageFlashing One after another(One or more of LEDs 1 to 4 are ON)Terminal blockWiring error checkLED lighting sequence after a wiring correction.Order of LED flashing: 2 ➝ 1 ➝ 3 ➝ 4From Room Cto the “kitchen”From Room Bto the “living room”From Room Dto the “children’s room”From Room Ato the “bedroom”Wiring correct example∗ The figure at left shows branch wiring.

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