Outdoor unit capacity DIP
1.
According to the outdoor unit model DIP, the outdoor unit is divided into TX(U)M524, TX(U)M536,
TX(U)M542, TX(U)M548, as well as single phase and 3-phase unit.
There are two 8-digit DIP switches in the outdoor unit PCB, which are SW1 and SW2. S1, S2 and S3
of SW1 control outdoor unit model as followings:
S1
S2
S3
Outdoor unit model
0
0
0
TX(U)M524(single phase)
0
0
1
TX(U)M536(single phase)
0
1
0
TX(U)M542(single phase)
0
1
1
TX(U)M548(single phase)
1
0
1
TX(U)M548(three phase)
DIP decides the capacity of the outdoor unit.
Indoor unit quantity DIP
2.
This system connects 8 indoor units at most from 1-8. System installation and commissioning must
select corresponding outdoor unit DIP based on the quantity of connected indoor units.
S4, S5 and S6 of SW1 control the quantity of indoor units as followings:
S4
S5
S6
Indoor unit quantity
0
0
0
1
0
0
1
2
0
1
0
3
0
1
1
4
1
0
0
5
1
0
1
6
1
1
0
7
1
1
1
8
DIP of limit of cooling and heating temperature range
3.
S7 of SW1 decides whether cooling/heating operation range is limited as followings:
Limited cooling/heating
operation range
Non-limited cooling/
heating operation range
Outdoor unit DIP S7
0
1
Forced cooling setting
4.
S8 of SW1 selects forced cooling as followings:
Cancel forced cooling
Allow forced cooling
Outdoor unit DIP S8
0
1
AMS-SVX01A-EN
31
Electrical control installation
