Haier MRV 5-RC VP1-112B Service Manual page 155

② BM2 introduction
BM2_1
Reserved
BM2_2
Outdoor unit heat mode
BM2_3 setting (valid when BM1_4
=0)
Outdoor locks the indoor
BM2_4 wireless module MAC
address
(Wireless communication)
Clear the master wireless
BM2_5 module EEPROM
completely
(Wireless communication)
Billing module selection
BM2_6
(Wireless communication)
Quick start selection in high
BM2_7
temperature areas
BM2_8 Reserved
③ BM3 introduction
BM3_1
BM3_2 Outdoor type selection
BM3_3
BM3_5
BM3_6
Outdoor horse power
BM3_7
setting
BM3_8
OFF
OFF
ON
Power on,
Locked the indoor wireless module MAC address (default)
no action
Power on, Allow all new indoor wireless modules to join (Single-system
OFF→ON
Power on,
no action
During the debugging process, multiple systems are
powered on at the same time, which causes the master
OFF→ON wireless module data error, need to do this operation: first
→OFF setting the digital tube to 1-1-1, then change the dip swith
from OFF→ON can clear the master wireless module
OFF
ON
OFF Forbid quick start (default)
ON Allow quick start
OFF
BM3_1 BM3_2 BM3_3
0 1 1
BM3_5 BM3_6 BM3_7
OFF OFF OFF
OFF OFF ON
OFF OFF ON
OFF ON OFF
OFF ON OFF
OFF ON ON
OFF ON ON
ON OFF OFF
152
Reserved
Normal(default)
Heating only
power-on search mode during debugging)
Normal(default)
EEPROM data.
No Billing module
Billing module
(physical master unit is
Reserved
Outdoor
MRV5-RC outdoor unit
BM3_8
ON
OFF
ON
OFF
ON
OFF
ON
OFF
Group class
valid)
The outdoor unit
is effective
Outdoor horse
8HP
10HP
12HP
14HP
16HP
18HP
20HP
22HP