Installation Installing the Control Panel
38 NFS-640 Installation Manual P/N 51332:B1 12/01/2003
Figure 14 AC & DC Power Connections
3.5.8 Checking AC Power
Table 4 contains a checklist for checking the system with AC power applied:
3.5.9 Installing and Connecting the Batteries
Batteries (2) are installed in the control panel cabinet or in a separate battery cabinet which can be
mounted below the control panel or up to 20 feet (6.096 m) away from the control panel, in the
same room.
Connect the battery as follows (see Figure 14 above):
1. Install batteries (2) into bottom of cabinet or into separate battery cabinet.
2. Connect the red cable from TB1(+) on the control panel to the positive (+) terminal of one
battery.
3. Connect the black cable from TB1(–) on the control panel to the negative (–) terminal of the
other battery.
4. Connect the remaining cable between the negative (-) terminal on the first battery to the
positive (+) terminal on the second battery.
EARTH HOTNEUTRALBATT –BATT+
TB1
TB2
nfs640-acdc.cdr
Hot
Neutral
Ground
(Earth)
Battery (-)
Battery (+)
!
CAUTION: While checking AC power, make sure batteries are not connected.
Follow the sequence of steps in Section 3.2 “Installation Checklist”, Table 2; this is Step 16.
Table 4 AC Power Checklist
Component Status
Control panel
circuit board
The green AC Power indicator on; the system Trouble indicator on because batteries are not
connected.
Each panel circuit
module
The yellow Trouble indicator may come on for approximately 10 seconds after applying AC
power. (This only applies to an unconfigured system.)
Each auxiliary
power supply
The yellow Trouble indicator comes on because batteries are not connected.
!
w
WARNING: Battery contains sulfuric acid which can cause severe burns to the skin and eyes, and
can destroy fabrics. If contact is made with sulfuric acid, immediately flush skin or eyes with
water for 15 minutes and seek immediate medical attention.
!
WARNING: Do not connect the Battery Interconnect Cables (P/N 75560 and 75561) at this time.
Make this connection AFTER initial system primary powerup. Follow sequence of steps in Section
3.2 “Installation Checklist”, Table 2; this is Step 17.
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