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15
Installation instruction
SHEV - Control Unit EMB 7300
Connecting Thermo-Maximal detectors in drive line
If the drive line is not correctly terminated with an end
line module for line monitoring or if the fi xed tempera-
ture heat detector is incorrectly connected, the yellow
fault indicator „
S
“ will signal a fault after a short whi-
le, unless line monitoring was disabled via the licensed
software.
If the line monitoring via the licensed software disabled,
no fault displayed .
Only connect when disconnected from the mains power
supply! Switch off power supply and secure against
reconnection!
!
Line length and cross-section A (drives) depend on the type of drive and
on the number of drives. Line length and cross-section can be determined
according to the following formula:
1 2 3
70C
26
70C
26
70C
26
=
=
-
+
+
-
1 2
Kl.
BU
BN
BU
BN
BU
BN
BK
BK
OG
Formula to calculate
the required wire cross-section of a infeed line
A = cross-section of line in mm
2
L = line length in m
I
= current of connected drives in A
∆
U = line voltage drop = 2 V DC
A
I
L
2
∆
U
56
mm
2
=
(total)
x
x
x
(length infeed line)
(voltage drop)
V
A
m
m / (Ω*mm
2
)
Cable installation must be in compliance with applicab-
le legal requirements. The terminal cross-section for the
drive connection is:
EMB 7300
-0101
max. 2,5 mm² (fl exible)
EMB 7300
-0101-T max. 4,0 mm² (rigid wire)
EMB 7300
-0101 max. 4,0 mm² (fl exible)
EMB 7300
-0101-T or
EMB 7300
-0102 max. 6,0 mm² (rigid wire)
EMB 7300
-0101
EMB 7300
-0102
EMB 7300
-0102
2,5A
2,5A
5A
5A
5A
10A
10A
20A
I
NSTALLATION
STEP
2:
C
ONNECTING
T
HERMO
-M
AXIMAL
DETECTOR
(
HEAD
SENSITIVE
FIRE
DETECTOR
)
IN
DRIVE
LINE
I
NSTALLATION
STEP
2:
C
ONNECTING
T
HERMO
-M
AXIMAL
DETECTOR
IN
DRIVE
LINE
04
2,5 A
5 A
20 A
10 A
!
Drive
24V DC
Drive
24V DC
Drive
24V DC
M
M
M
Install drive line
end module at the last
drive in the line!
Colour
BU =
blue
BN =
brown
OG =
orange
BK =
black
Connecting drives
EMB 7300
Terminal
Principle
Head sensitive
fi re detector
Head sensitive
detector clip
(without housing)
Drive line
end module
NC
NC
NC
NC
NC
NC
For this trigger method is a software programming
required.
USB