Reserve Power/Ac Wiring For Three Or More Cabinets (Floor Mount); Step 6: Install Universal And Processor Pcbs - Toshiba DK14 Installation And Maintenance Manual

Reserve Power/AC Wiring for Three or More Cabinets (Floor Mount)

Floor-mounted systems with three or more cabinets require a Conduit Connection Box (BCCB)
(shown in Figure 7-22
system. Only a qualified electrician can install cabling between the reserve power batteries and AC
power cabling to the conduit connection box. All other steps required to install reserve power,
including installation of the Battery Distribution Box (BBDB), can be accomplished by the normal
system installer.
➤ To connect reserve power to floor-mounted systems with three or more cabinets
See Figures 7-12~7-15
1. Make sure that the Conduit Connection Box is installed on the bottom base cabinet (see
7-22). The box can be installed by the regular system installer.
2. Have a licensed electrician install conduit and battery cabling to the Conduit Connection Box
per local electrical codes. The remaining steps in this procedure can be performed by the
regular system installer (see
3. Install the Battery Distribution Box on the second cabinet (the cabinet directly above the
bottom cabinet), see
4. Plug the two Conduit Connection Box cables (coming from the left side of the BCCB box)
into the Battery Distribution Box (BBDB).
The cabinets must be connected to the (live) AC power source, and the power supply
Important!
On/Off switches set to On prior to the final step of connecting the reserve power
batteries to the power supplies via the BATT +/- receptacle. If the batteries are
connected after AC power is lost, reserve power will not function.
5. Connect cables from the (BBDB) Battery Distribution Box to the BATT +/- receptacle of
individual power supplies. BBTC2A-2M cables come with each BBDB distribution box (see
Figure 7-12).
6. To test reserve power operation, turn off the system AC power circuit breaker with power
supply On/Off switches in the On position. The system should continue to operate without
interruption.
AC/DC wiring and conduit must be installed by a licensed electrician per local electrical
Note
code (conduit trade size is 1/2 inch).
See "Install Reserve Power" on Page 7-26

Step 6: Install Universal and Processor PCBs

This section provides procedures for the installation of DK424i processor (or common control)
PCBs.
The DK424i system Base and Expansion Cabinets are shipped empty. PCBs are not installed at the
factory. Universal PCBs must be placed according to the configuration information obtained and
developed in Chapter 6 – DK424i Configuration. Processor PCB installation starts on
this chapter.
o Install PCBs only after installing the Base Cabinet and, if applicable, Expansion Cabinets per
the Cabinet Installation section in this chapter.
o Be sure the power supply has been tested and the ground has been checked (see
Supply" on Page
Strata DK I&M 5/00
and 7-23 to connect reserve power cabling and AC power cabling to the
and follow these steps:
Figure 7-23).
Figure 7-22.
for battery specifications and wiring guidelines.
7-6.
DK424i Installation
Step 6: Install Universal and Processor PCBs
Page 7-41
"Install Power
Figure
of
7-39