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sense is measuring rectifier bus voltage) but still maintains operation for system monitoring.
The Battery LVD contactor will not re-engage until the rectifier power is restored (i.e., until the
DC bus voltage is restored).
LVD adjustments/settings are all made from the SM36. See the SM36 manual for details.
The LVD contactor is a bi-stable, magnetically latched contactor. This means that failure of
power or removal of the SM36 from a live system will not cause the contactor to change state.
System Live
FIG. 5 System Internal View
6 C
OMMISSIONING
Use the following set of instructions as a guide, unless different procedures are recommended
by local authorities.
Refer to Appendix 1 to check important System Set-up parameters while commissioning.
Note:
Pre-check:
1. No more building work to be carried out in site to avoid concrete and plaster dust being
ingested into rectifiers and systems.
2. System installation is completed.
3. Battery and load circuit breakers are turned off, and upstream AC has been turned off (i.e.,
system is completely de-powered).
4. Rectifier modules have been fitted into their shelf positions, and pulled forward enough to
disconnect them from the system.
• Phone: 714-751-0488 • E-mail: techservice@newmarpower.com
Current
Shunt
Bus
Newmar • PO Box 1306, Newport Beach, CA 92663
Load Fuse
Fail PCB
Battery
LVD
11
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