Samsung SINGLE AC MNMSEH/EU Series Technical Data Book page 73

14. Installation
Outdoor Unit
7 DIP switch option
ON
1 2 3 4
SW507
• SW507 option
On (default)
Switch 1
Disable snow prevention
Switch 2
control
Switch 3
Switch 4
Switch 3 Switch 4
On On
On Off
Off On
Off Off
• When snow prevention mode is in use, eco mode
(standby mode) will not work.
• SW508 option
On (default)
Switch 1 Auto Silence mode
Switch 2
Switch 3
Switch 4
8 Setting the address manually(high level controller)
a Turn off the air conditioner, press and hold the K2
switch for a while to enter the Option mode. (Initial
value: 00AU)
‐ You cannot enter the Option mode when the air
conditioner is running.
ON
1 2 3 4
SW508
Off
- -
Enable snow prevention
control
Silence mode option
Operation
Disable Silence mode
Silence mode step 1
Silence mode step 2
Silence mode step 3
Off
Manual Silence mode
- -
- -
- -
b Set the address in SEG3 and SEG4 by pressing the K2
switch shortly.
Option SEG1 SEG2 SEG3 SEG4
Channel
0 0
address
c Press and hold the K2 switch for a while to save the
address and exit the Option mode. Each segment will
flicker for 3 seconds in the current display state. Then
if you need to change the address, reset the system,
and then repeat all steps again. Press and hold the K1
switch to exit without save.
If you want to restore the setting to factory default, press
∗
and hold the K4 button while you are in the option setting
mode.
‐ If you press and hold the K4 button, setting will be
restored to factory default but it doesn't mean that
restored setting is saved.Press and hold the K2 button.
When the segments shows that tracking mode is in
progress, setting will be saved.
Pumping down refrigerant
Pump down will be carried out when an evaporator is
replaced or when the unit is relocated in another area.
1 Remove the cap from the low pressure side.
2 Turn the low pressure side valve clockwise to close and
connect a pressure gauge (low pressure side) to the
service valve, and open the valve again.
3 Set the unit to the cooling Test mode by pushing K2
button. (Check if the compressor is operating.)
4 Turn the high pressure side valve clockwise to close.
5 When the pressure gauge indicates "0" turn the low
pressure side valve clockwise to close.
6 Stop operation of the air conditioner by pushing K3 button.
7 Close the each cap of valve.
Function
The address is set
A U
automatically.
The address is set
00 to 15 manually. You can set
a value from 0 to 15.
A(Gas)
B(liquid)
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