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Building Technologies Basic documentation LMV37.4... CC1P7546en
28 Parameter list LMV37.4 17.12.2018
Par. Parameter Number of Type Edit Value range Increment Default Password level
no. elements Min. Max. setting write read
121 Manual output
Undefined = automatic mode
1 Output edit/clear 0% 100% 0,1% Undefined IS IS
123 Minimum output positioning step
Index 0 = output building automation
Index 1 = output external load controller analog
Index 2 = Power of external load controller contacts
3 Output edit 0% 100% 0,1% Index
0
1
2
Wert
0%
1%
0%
HF HF
124 Loss of flame test (TÜV test) starting (parameterized
on 1)
(switch off the fuel valves
loss of flame)
Error diagnostic via negative value (refer to 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 LMV37.400Ax: 0
LMV37.420Ax: 1
HF HF
126 Display brightness 1 Std_u8 edit 0% 100% 1% LMV37.400Ax: 75%
LMV37.420Ax: 100%
HF HF
127 Timeout for menu operation 1 Std_u8 edit 10 min 120 min 1 min LMV37.400Ax: 30 min
LMV37.420Ax: 60 min
OEM HF
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 parameter to 1, then to 2
Return value 0: Job successfully completed
Return value -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 Output edit / clear 20% 100% 0,1% undefined HF HF
141 Operating mode building automation system
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 Std_u16 edit 0 s 7200 s 1 s 120 s HF (GA) HF (GA)
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