Airwell BS 12 DCI Manuel de service télécharger pdf (Page 75)

11-18

CONTROL SYSTEM

SM YAZDCI 1-A.1 GB

ANY

NLOAD

PUMP

OFF

OPER

LED

OFF

Overflow

Water Level

Normal

BLINK

NLOAD is

forced to 0

8 min 8 min

Overflow when

unit is ON

Overflow when

unit is OFF

8 min

11.6 Installation Test Mode

11.6.1 Test Objectives

Find tube-communication wires mismatch. 

Instruct the technician to match the tubes to the communication wires.

Find EEV or tubing problems.

11.6.2 Test Concept

The unit will open each EEV separately in cooling mode.

Detect a temperature drop on the indoor unit.

Based on the temperature drop, the system can match the tube to the indoor unit.

11.6.3 Test Rules

Before starting the installation/technician test, make sure for the following:

No indoor communication channel is connected to non existing tube channel.1.

The number of the connected/installed indoor unit is set properly.2.

All the EEVs are connected properly to the right EEV channels.3.

No mix between the indoor unit’s tubes, each indoor unit must have its own tubes connected 4.

properly to the outdoor unit.

If the rules above are not respected, the test results will make no sense.

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Airwell BS 12 DCI Manuel de service Page 75