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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
1 = speed standardization active
642 Standardized speed
Index 0 = speed 1
Index 1 = speed 2 (internal monitoring)
Fuel 1:
Index 2 = speed 3
Index 3 = speed 4 (internal monitoring)
4 Std_u16 read only 650 14000 1 Undefined --- HF
643 Setting the speed signal
0 = asymmetrical
1 = symmetrical
1 Selection edit 0 1 1 0 OEM HF
644 Setting pulses per revolution 1 Std_u8 edit 1 6 1 3 OEM HF
645 Configuration of analog output
0 = DC 0...10 V
1 = DC 2...10 V
2 = DC 0/2...10 V
1 Std_u8 edit 0 2 1 0 HF
647 No-load time for speed measurement in modulating
operation [25 ms]
1 Std_u8 edit 4 8 1 8 OEM HF
652 VSD behavior when safety loop / burner flange is
open
0 = no VSD control when safety loop / burner flange
is open
1 = VSD control independent of safety loop / burner
flange
1 Std_u8 edit 0 1 1 1 HF HF
653 VSD standstill supervision in standby mode
0 = deactivate
1 = active
1 Std_u8 edit 0 1 1 1 HF HF
661 Internal speed control of LMV37.4
0 = deactivated (controlled PWM fan)
1 = activated (VSD)
1 Std_u8 edit 0 1 1 1 OEM HF
662 Speed supervision neutral zone 1 Std_u8 edit 0,5% 3,5% 0,1% 0,5% OEM HF
663 Speed supervision low deviation zone 1 Std_u8 edit 2% 5,5% 0,1% 2% OEM HF
664 Speed supervision: Maximum time outside low
deviation zone
1 Time edit 8 s 16 s 0,2 s 8 s OEM HF
665 Speed supervision: Maximum time outside medium
deviation zone
1 Time edit 3 s 7 s 0,2 s 3 s OEM HF
667 Minimum prepurge speed 1 Std_s16 edit / clear 40% 100% 0,1% undefined OEM HF
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