Data Sheet for Product
Table Of Contents
8
Siemens
A6V12071353_en--_b
Smart Infrastructure
2021-12-15
Parameter
Description
Factory setting
Setting range
P14
Keylock
0
0 = Unlock
1 = Setpoint & fan buttons adjustment only
2 = Full lock
P27
Operating mode after power
failure
0
0 = Previous operating mode
1 = OFF
2 = ON (Normal mode)
P28
Timer with delay Off (0 up to 23
hours, 0.5 h)
1
0 = Disable
1 = Enable
* The parameters are critical and must be set according to the equipment selected during
commissioning.
Expert level
Parameter
Description
Factory setting
Setting range
P53 *
Maximum VRF fan speed
3
1 = 1-speed
2 = 2-speed
3 = 3-speed
4 = 4-speed
5 = 5-speed
6 = 6-speed
7 = 7-speed
P71
Restore factory setting
0
0 = Disable
1 = Reload start
P81 *
Device address
247
1…247
P82 *
Modbus baud rate
2
1 = 9600 bps
2 = 19200 bps
3 = 38400 bps
4 = 57600 bps
P83 *
Modbus data frame format
0
0 = 1/8/E/1
1 = 1/8/O/1
2 = 1/8/N/1
3 = 1/8/N/2
P98 *
Enable Chinese text display
1
0 = Disable
1 = Enable
* The parameters are critical and must be set according to the equipment selected during
commissioning.
Expert level (diagnostics & tests)
Parameter
Description
Range
d06
Software version
xxx is displayed, e.g. 010
Operation
Display
The display shows the current room temperature via the built-in sensor of the VRF HMI unit
(factory setting). Alternatively, temperature setpoint or temperature value from VRF indoor
unit can be used for the display (P06)
Note
Note