50
5.6
Electric installation
5.6.1
Wiring diagram Nordmann AT4 single units
REMOTE
LINK UP
EXTERNAL CON.
CPU BOARD
D+
D–
GND
5V
24V
X15
J2
PE
PE
SC2
SC1
N
L1
X1
F1
6.3 A
T
INLET
DRAIN
CONTA.
L'
N
L'
N
X4
CONT
. SIGN. GNDIN
V+
X10
JP3
L'
N
X3
24V
5V
5V
24V
SAFETY
CHAIN
CONTACT
OR
DRAIN
INLET
SC SYSTEM
LEVEL
SENSOR
GND
SWITCH
L1FU
N
L1SW
NSW
X2
SC
L'
N
X16
S1
S2 LEVEL
SENS.
CURRENT
SENSOR
X5
MAIN SUPPL
Y
MODULE B
PE
P1
N
P
X6
LIM. SIGN.
GND
IN
EXT
. SUP
.
5V
GND
24V
X11
X14
F4
315mA
T
F3
315mAT
J1
J9
J1
J4
J1
X1
J2
J3
J4
1
Error
Service
Steam
UnitOn
2
3
4
5
6
7
8
9
10
H1
AT4
ext.
from contactor
to cylinder
M
L1
N
+
–
P / PI
+
–
P / PI
A1
A4
140Ω...10kΩ
A2
On/Of
f
A3
L1
L2
L3
Q5
K1
XE1
F5
L1
L2
L3
L1
L2
L3
400 V/3~/50..60 Hz 230 V/3~/50..60 Hz
Q5
F5
L1
N
PE
PE
PE
230 V/1~/50..60 Hz
Q5
F5
L1
L2
400 V/2~/50..60 Hz
PE
GND
IN
V+
GND
IN
V+
IN
V+
PE
N
L1
SC2
SC1
JP3
24V
5V
Q6
230 V/1~/50..60 Hz
L1
N
PE
F6
B3
K
B2
B1
J
∆p
max.
JP3
24V
5V
XE2
XE3
XE4
BAT
JP1
JP4
JP5
Unit 2
Unit 3
Last Unit
D+
D–
GND
5V
24V
X15
D+
D–
GND
5V
24V
X15
D+
D–
GND
5V
24V
X15
JP1
JP4
JP5
JP1
JP4
JP5
JP1
JP4
JP5
Remote T
erminal
D+
D–
GND
5V
24V
X15
JP1
JP4
JP5
A1
Continuous controller (active) or humidity sensor
A2
Controller (passive), set jumper on JP3
5V
A3
On/Of
f controller
, set jumper on JP3
24V
A4
Limitation signal
BA
T
Backup battery (CR2032, Lithium 3V)
B1
Ventilation interlock
B2
Safety humidistat
B3
Airflow monitor
F1
Internal fuse “Power board” (6.3
A, slow acting)
F3
Internal fuse “Power board” control signal
(315 mA, slow acting)
F4
Internal fuse “Power board”
24 VDC supply (V+) (315 mA, slow acting)
F5
External fuse heating voltage supply
F6
External fuse control voltage supply
H1
Remote operating and fault indication (option “RFI”)
J
Short circuited, if no external monitoring devices are connected
J2
Link Up system “Power board”
JP1
End resistor Remote
Terminal
JP3
Jumper control signal
JP4
Pull up resistor Remote
Terminal
JP5
Pull down resistor Remote
Terminal
K
External safety chain (230V/5A)
K1
Main contactor
M
Fan unit
Q5
External service switch heating voltage supply
Q6
External service switch control voltage supply
XE1
Connection terminal heating voltage
XE2
Connection terminal safety chain
XE3
Connection terminal control voltage
XE4
Connection terminal control signal
Y
X15
Connection terminal remote panel
Control board
Power board
Summary of Contents for AT4 13064
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Page 64: ...64 Notes...
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Page 67: ...Nordmann Engineering Ltd Printed in Switzerland Technical modifications reserved...