Daikin R410A Split Series Installation Manual download pdf (Page 17)

15 ■English

Test 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 shut-off valves are fully open.

• Check that piping and wiring all match. The wiring error check can be conveniently used for underground wiring and other wiring

that cannot be directly checked.

Wiring error check

• This product is capable of automatic correction of wiring error.

• Press the “wiring error check switch” on the outdoor unit service monitor

print board. However, the wiring error check switch will not function for

one minute after the safety breaker is turned on, or depending on the

outside air conditions (See NOTE 2.). Approximately 10–15 minutes

after the switch is pressed, the errors in the connection wiring will be

corrected.

If self-correction is not possible, check the indoor unit wiring and piping

in 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 shut-off valve.)

Wiring error

check switch

(SW3)

Service PC-board

The service monitor LEDs indicate whether or not correction is

possible, as shown in the table below. For details about how to read the

LED display, refer to the service guide.

LED

Status

1 2 3 4

All Flashing Automatic correction impossible

Automatic correction completed

Abnormal stop [NOTE. 4]

Message

Flashing One after another

(One or more of LEDs 1 to 4 are ON)

Terminal block

Wiring error check

LED lighting sequence after a wiring correction.

Order of LED flashing: 2 ➝ 1 ➝ 3 ➝ 4

From Room C

to the “kitchen”

From Room B

to the “living room”

From Room D

to the “children’s room”

From Room A

to the “bedroom”

Wiring correct example

∗ The figure at left shows branch wiring.

01_EN_3P164392-2H.fm Page 15 Friday, March 16, 2007 4:26 PM

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Daikin R410A Split Series Installation Manual Page 17

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