Cooper Wheelock SAFEPATH SPB-160, Инструкция по установке, испытаниям, эксплуатации и техническому обслуживанию

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Chapter 4: Installation
Series SPB Audio Boosters Manual, Revision A
4-13
Power and DC
Connections
Figure 4-10 Power and Battery Connections
NOTE: DC OUT is a 27VDC at 0.5A output for powering splitter modules only.
BATTERY terminals are used to connect the backup batteries to the panel for recharging and
backup power. The UL approved battery connection is 24VDC up to 33Ah. The enclosure can
accommodate up to 12Ah. See Figure 4-15.
CAUTION: Do not connect input voltage to any equipment until the field wiring
has been tested, inspected, and approved.
1. Check the integrity of all field wiring. Confirm that specified wiring is installed, and that
there is continuity between required points (no open circuits), with no unwanted shorts to
other conductors, chassis, or earth ground.
a. Verify that the field wiring complies with the instructions of this manual and the
detailed wiring diagram prepared for this installation.
b. Ensure that no unwanted voltages are present on circuit conductors and ground.
c. Test all ungrounded connectors for electrical isolation from ground.
d. Measure and record the resistance of each NAC circuit. Conduct this test
reversing polarity.
2. Calculate and Install properly sized backup batteries as described in Sections 4.8 and 4.9.
The SPB Audio Boosters are UL approved for 24VDC at a maximum of 33Ah. The
enclosure can accommodate up to 12Ah. Larger batteries may necessitate a separate
battery box.
3. Perform the System Checkout Procedure as described in Section 4.6.