Airwell DLF 18 DCI, Техническое руководство

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12-3
CONTROL SYSTEM
SM DL
F 1
-A.1 GB
12.8.4.9 Gas Block Test procedure
This test is used for technician to check the blockage within the system. The test is operates in heat
mode and the technician should close the liquid valve manually.
1. Start the operation by navigating the HMI.
.
2
Note - The test is not operable when OAT<5
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.
3
A/C will start operate in Heat Mode.
.
4
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At this stage - close the Liquid valve.
.
5
[@+ % +;!%
LPS - Low pressure status will blink:
.
6
At this stage the technician should observe if any ice accumulates on the coil or EEV
section that may indicate on any gas block.
.
7
The test will end after about 15 minutes. This acts as percussion in case the unit will not be
shut OFF (or not closes the valves).
12.8.4.10 Communication Test procedure
Check if communication fault occurs between the Indoor and outdoor units.
Note – Require test tool (560Ohm) P/N 416765.
Start the operation by navigating the HMI.
.
1
Disconnect the IDU-ODU communication connector from main board of ODU.
2. Connect test tool between the 2 pins.
3. [@=>%"X[q]X|]¡
.
4
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indoor controller.
12.9 Jumper/DIP-Switch Setting
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0 = Open (Disconnected)
1 = Close (Shorted)
12.9.2 IDU Jumpers/DIP-Switch
12.9.2.1 Self test Jumper/DIP – J1
Position Status Description
0 Open (Disconnected) Normal Operation (Default)
1 Close (Shorted) Self Test enabled
Used for internal production line testing. For normal use must be set to OFF (0).