42
Electric wiring and the application
④
BM4 introduction
BM4-1 Drop selection
among indoors
0
Without drop among indoors
Group class
(valid for
physical host)
1
With drop among indoors
BM4-2 NO definition
0
Default is 0, 1 is forbidden
Single class
BM4-3 NO definition
0
Default is 0, 1 is forbidden
Single class
BM4-4
BM4-5
Outdoor mode
setting (not suitable
for 3 pipes model)
BM4-4 BM4-5 Mode setting
Group class
(valid for
physical host)
0
0
Normal
0
1
Cooling only
1
0
Heating only
1
1
VIP
BM4-6
BM4-7
BM4-8
Indoor units priority
setting (Not suitable
for 3 pipes model.
Available when the
outdoors are set
in normal or VIP
mode)
BM4-6 BM4-7 BM4-8 Priority setting
Group class
(valid for
physical host)
0
0
0
First priority
0
0
1
Last priority
0
1
0
Cooling priority
0
1
1
Heating priority
1
0
0
Majority priority
1
0
1
Reserved (first
priority)
1
1
0
Reserved (first
priority)
1
1
1
Reserved (first
priority)
BM5 introduction
BM5-1
~
BM5-4
No definition
BM5-1
BM5-2
BM5-3
BM5-4 Selection item
0
0
0
0
preset
BM5-5
~
BM5-8
Inverter board
selection
BM5-5
BM5-6
BM5-7
BM5-8 Selection item
0
0
1
1
Self-made inverter board
