Connecting Mains To The Power Supply Pcb - C-TEC CAST XFP Engineering Manual

CAST XFP 16 ZONE ANALOGUE ADDRESSABLE FIRE ALARM PANEL

Connecting Mains to the Power Supply PCB

The panel's PSU combines the functions of a power supply unit, battery charging unit, battery monitoring
unit and earth fault monitoring unit. It is positioned in the panel's enclosure as shown in Fig.3 below.
CAUTION: DO NOT CONNECT MAINS TO THE POWER SUPPLY PCB UNTIL THE INSTALLATION IS
COMPLETE AND ALL RELEVANT PCBs ARE CORRECTLY FITTED IN THE PANEL.
Fig.3 : Power Supply PCB layout and Mains connection (Full Protective Cover & Cable Cover shown fitted)
Incoming Mains Cable
This cable MUST be segregated from
other cables. Good quality cable
glands MUST always be fitted.
PSU Earth Distribution Strap
This strap MUST be connected
to the spade on the
distribution
base earth
post before operation.
Base Earth Distribution Post
spring
nut
washer
3 x plain
PSU Earth
washer
Distribution
Strap
Do not untighten lower nut
Primary Fuse (F1)
Exposed Live
parts under
fuse cover.
Isolate before
removal.
Battery Connector
(CONN2)
(Leads supplied in
the panel's accessory
pack). See page 11 for
connection details.
ENGINEERING MANUAL • Approved Document No. DFU5010000 Rev 4 • Page 7 of 48
WAY UP
L L L L L L N N N N N N N
C C C C C C C C C C C C C C O N O ON ONN1 ON ON ON ON N1 N1 N1 N1 N1 N N1
VR1
CONN2
PL2
PL1
THIS
Mains Input (CONN1)
L = Live (BROWN)
N = Neutral (BLUE)
= Earth (GREEN/YELLOW)
The incoming Mains earth wire MUST
be connected to the terminal marked
and NOT to the base earth distribution
post.
PRESENT UNDER THE TWO COVERS.
ALLOW TO DISCHARGE FOR AT LEAST 5
MINUTES BEFORE REMOVAL & HANDLING.
Connector Cable Socket (PL1)
Connect other end of lead to
the rear of Main Control PCB.
Cable cover
removed
L N
CONN1
WHEN THE RED 'HAZARDOUS
VOLTAGES PRESENT' LED IS LIT
HAZARDOUS VOLTAGES ARE