Bosch Climate 5000 VRF HWM Series Manual page 10

10 | WIRING CHART
7.4 Main board Code designation
SW1 definition
S W 1
z 0 means auto addressing mode (Default)
O N
z 1 means factory test mode
12 3 4
S W 1
z 0 (Reserved)
O N
z 1 (Reserved)
12 3 4
z 00 (Reserved)
S W 1
z 01 (Reserved)
O N
z 10 (Reserved)
12 3 4
z 11 (Reserved)
SW2 definition
z 00 means when temperature is 15°C or below,
fan will stop to prevent cold air (Default)
z 01 means when temperature is 20°C or below,
S W 2
fan will stop to prevent cold air
O N
z 10 means when temperature is 24°C or below,
1 2 3 4
fan will stop to prevent cold air
z 11 means when temperature is 26°C or below,
fan will stop to prevent cold air
z 00 means in heating mode, the fan which stop
for reaching the set temp., will periodically stop
for 4 minutes and run for 1 minute ally stop for
4 minutes and run for 1 minute)
z 01 means in heating mode, the fan which stop
S W 2
for reaching the set temp., will periodically stop
O N
for 8 minutes and run for 1 minute
z 10 means in heating mode, the fan which stop
1 2 3 4
for reaching the set temp., will periodically stop
for 12 minutes and run for 1 minute
z 11 means in heating mode, the fan which stop
for reaching the set temp., will periodically stop
for 16 minutes and run for 1 minute
J1 Definition
z Without jumper "J1" for auto restart function
z With jumper "J1" for non-auto restart function
6720865987 (2018/06)
SW5 definition
z 00 means temp. compensation value is 6°C in heating
mode (Default)
z 01 means temp. compensation value is 2°C in heating
S W 5
O N mode
z 10 means temp. compensation value is 4°C in heating
1 2
mode
z 11 means temp. compensation value is 8°C in heating
mode
SW6 definition
z 0 means temp. compensation value is 0°C in cooling
S W 6
mode (Default)
O N
z 1 means temp. compensation value is 2°C in cooling
mode
0/1 definition
O N
:means 1
7.5 Error code
Error code
FE z No address when first time power on
H0 z M_Home non-matching
E0 z Mode conflict
E1 z Comm. error with outdoor unit
E2 z Temp. sensor (T1) error
E3 z Temp. sensor (T2) error
E4 z Temp. sensor (T2B) error
E6 z DC fan error
E7 z EEPROM error
Ed z Outdoor unit error
EE z Water level alarm
O N
:means 1
Content
Mounted air conditioner indoor unit