Samsung MH020FVEA Service Manual page 137

I In case of MANUAL ADDRESSING mode.
Switch Setting and Testing Operation
To complete the installation, perform the following checks and tests to ensure that the air conditioner is operating correctly.
Step 1 Review all the following elements in the installation:
• Installation site strength
• Piping connection tightness to detect any gas leakage
• Connection wiring
• Heat-resistant insulation of the piping
• Drainage
• Earthing wire connection
Step 2 IMPORTANT!
Before selecting switch turn off the system power supply
Switch
Indoor unit
address
Advise control we are going to proceeed
with manual addressing as follow:
Switch
Indoor unit
address
Step 3 Follow of indication reported into table below for indoor unit addressing.
Step 4 Turn on the system power supply and waiting for 60 seconds after estabilishing communication between outdoor and
indoor units.
During this phase,the left display of outdoor unit display PCB "DIS01 " will count fom 00--01--02 to 15.
Estabilished communication the left display will count sequentially:
00--communication with indoor unit A;
01--communication with indoor unit B;
02--communication with indoor unit C;
03--communication with indoor unit D;
✳ In case of Manual address mode,you can do pipe check operation for check whether you connect the pipes correctly or not.
But you need set indoor address switch yourselves.
Samsung Electronics
- Select rotary switch "SW01 " of outdoor unit display PCB,according to number
of indoor unit connected:
ex) connecting with
4 indoor units.
Views data display
SW02
Manual
addressing
Views data display
ex) connecting with
4 indoor units.
-Move dip switch n°1 of "SW02
-outdoor unit display PCB " down;
Troubleshooting
9-5