108
System status display and control (master unit)
SMG2-2 SMG1-1 SMG1-2
Function
Digital tube display
0
0
2
Refrigerant type
410A represents R410A refrigerant
0
1
2
Outdoor capacity
Unit: kw
0
2
2
Qty. of fan coil controller in
the system
0
3
2
Qty. of indoor units
For example: 64
0
4
2
Number of the working indoor
units
Temperature sensor ON as a sign of the work of the
indoor unit
0
5
2
Qty. of indoor units that has
the same operation mode
with the outdoor unit
For example: 13
0
6
2
Reserved
0
7
2
Reserved
0
12 (C)
2
Indoor unit expansion valve
fully opend
• Press ENTER (SW7) for 3 seconds and digital tube
displays "111", indoor valve fully opened
• Press EXIT (SW6) for 3 seconds and digital tube
displays “-—”, then exit the indoor valve forced
control
0
13 (D)
2
All the indoor unit in cooling
• Press ENTER (SW7) for 3 seconds and digital tube
displays "CCC", all indoor units are in cooling mode
• Press EXIT (SW6) for 3 seconds and digital tube
displays “-—”, all indoor units turned off.
0
14
（
E
）
2
All the indoor unit in heating
• Press ENTER (SW7) for 3 seconds and digital tube
displays "HHH", all indoor units are in heating mode
• Press EXIT (SW6) for 3 seconds and digital tube
displays “-—”, all indoor units turned off.
0
15
（
F
）
2
Cancel all manual control
(running class)
• Press ENTER (SW7) for 3 seconds and digital tube
displays "111", manual control cancled
• Press EXIT (SW6) for 3 seconds and digital tube
displays “000”, manual control cancled
• Cancel all manual control anhd all indoor units turned
off
