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Building Technologies
Basic Documentation LMV27...
CC1P7541en
27 Parameter list
17.12.2018
Par.
Parameter
Number of Type
Edit
Value range
Increment
Default
Password level
no.
elements
Min.
Max.
setting
Write
Read
Index 1 = output external load controller analog
Index 2 = Power of external load controller contacts
1
2
1%
0%
124
Start loss-of-flame test (TÜV test) (set parameter to 1)
(shutdown of fuel valves
loss of flame)
Error diagnostics via negative values (see error code 150)
1 Std_s8
Edit
-6
1 1
0 HF
HF
125 Mains
frequency
0 = 50 Hz
1 = 60 Hz
1 Selection
Edit
0
1 1
0 HF
HF
126 Display
brightness
1
Std_u8 Edit
0%
100%
1%
75%
HF
HF
127
Timeout via menu operation
1
Std_u8
Edit
10 min
120 min
1 min
30 min
OEM
OEM
128
Fuel meter: Pulse valency [pulses / volume unit]
1
Std_u16
Edit
0
400
0,01
0
HF
HF
130
Delete display of error history
To delete the display: Set the parameter to 1, then to 2
Response 0: Job successful
Response: -1: Timeout of 1_2-Sequence
1 Std_s8
Edit
-5
2 1
0 HF
HF
133
Default output at TÜV test
Invalid = TÜV test at active output
20...100 = low-fire…high-fire or stage 1 / stage 2 / stage 3
P1...P3 = stage 1...stage 3
1
Power
Edit / clear
20%
100%
0,1%
undefined
HF
HF
141
Operating mode building automation
0 = off
1 = Modbus
2 = reserved
1 Selection
Edit
0
2 1
0 HF
HF
142
Setback time in the event of communication breakdown
Setting value:
0 = deactivated
1…7200 s
1
Std_u16
Edit
0 s
7200 s
1 s
120 s
HF (GA)
HF (GA)
143 Reserved
1
Std_u8 Edit
1
8
1
1
HF
IS
144
Reserved
1
Std_u16
Edit
10 s
60 s
1 s
30 s
HF
HF
145
Device address for Modbus of LMV27
Setting values
1…247
1 Std_u8
Edit
1 247 1
1 HF
HF
146
Setting of Baud rate for Modbus communication
0 = 9600
1 = 19200
1
Selection
Edit
0 1 1 1
HF
HF