Instruction Manual

LT-6690 Rev 0 Dec 2022 Page 1 of 2

QPS-6650

Power Supply

Installation Instructions

QPS-6650 Power Supply Installation

The power supply is model QPS-6650. The ratings are outlined in the table below.

Power Supply Mechanical Installation

The QPS-6650 power supply mounts into the BBX-FXMNS-6000 Enclosure in the top right position, as shown below. It

also mounts in the same location in the QBB-6001 Expansion enclosure. Mount the QPS-6650 using the screws

packaged. There are 3 mounting holes as shown in Figure 2.

Figure 1 QPS-6650 Power Supply Mechanical Installation

Model Electrical Input Ratings Power Supply Total

Current

Battery Fuse on Main

Module

QPS-6650 120 VAC, 60 Hz/ 230 VAC, 50Hz 27 Ah @ 24V DC 50 Amp

BBX-FXMNS-6000 Backbox

QMB-6000

Audio Card Cage

(Space for four amplifiers,

QAD-6425-70(-25) and

one communication card

QCC-6000)

12V 55Ah 12V 55Ah

QPS-6650

Power Supply

AC IN Connection

MD-1331 floating

ground wire

included with

FX-6000MNS-CH

PAGE 1
QPS-6650 Power Supply Installation Instructions QPS-6650 Power Supply Installation The power supply is model QPS-6650. The ratings are outlined in the table below. Model Electrical Input Ratings QPS-6650 120 VAC, 60 Hz/ 230 VAC, 50Hz Power Supply Total Current Battery Fuse on Main Module 27 Ah @ 24V DC 50 Amp Power Supply Mechanical Installation The QPS-6650 power supply mounts into the BBX-FXMNS-6000 Enclosure in the top right position, as shown below.
PAGE 2
QPS-6650 Wiring Refer to Figure 2 wiring information. AC voltage in is wired to the bottom left terminals, all other wiring is at the top terminals. For further wiring instruction see LT-6683 manual. Figure 2 QPS-6650 Power Supply Wiring In main cabinet, WC-100015 24V harness (included with main fire alarm board) connects from here to P10 and P11 on main ﬁre alarm board. In expansion cabinet, WC-100002 32”, 24V cable connects from here to CN17 on bottom QMB-6000.