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Figure 62
Typical PFTU connection to the MDF and the Master System Monitor
DEES 154
PFTU
– 48V
NC1
Open
when
activated
NC
GND
SWE
To
activate
power fail
transfer
NO1
Closed when
NO
activated
Additional
TC
attendant
consoles
Attendant console
Installing Power Failure Transfer Units
GND
NPS
COM
50220-07
– 48 V
Power Supply
P1–49
BATT
P1–24
P2–25
To other
P2–50
PFTU's
P2–49
P2–24
P1–50
P1–25
TC
P2–23
P2–48
Alarm
GND
GND
11
14
36 / 39
LED
supply above
MJ Alarm
GND
LFBENR
9
LFBEN
LFBEN
leads on
MDF
slave SM's
REMALMB
REMALMA
1
BATT
To power
To REMALM leads on
slave system monitors
Large System Installation and Commissioning
Page 151 of 436
Meridian 1
master system
monitor (SM)
J3
9
8
7
To
6
5
4
3
2
1
LED
Closed on
MJ alarm
Closed on
MJ alarm
553-7559
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