Dantherm 4000 Series Servicehandleiding - Pagina 6

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Connections

Connections
This illustration shows the external connections to the controller
illustration
J2
Supply
SD
al
Temp sensors
J7
NTC -30 to 85°C
(-22 to 185°F)
J4
Power sensors
J1
Valve
J5
Relay drive out
0/12V DC 200mA
ut
2V
AC 1
J11
Fan 1
Alarm
J16
Fan 2
J22
Fan 3
10
Accessory
TTL interface
TTL
(galvanic isolated)
Standard shielded ethernet
cable (568A termination)
1=Gnd
2=B
3=Gnd
RS 485
4=A
5-6=12v line pwr
7-8=line pwr gnd
9: Hotspot sens GND
External
NTC -30 to 85°C
(-22 to 185°F)
interfaces
8: Hotspot sens.
7: Dig GND
Active low
6: Dig2 input
max 12V DC/10mA
J15
5: Dig1 input
4: AC1 relay contact
Max. 42 VAC or 60 VDC. /
500mA. Default normally
3: AC1 relay contact
open - jumper changeable
2: Alarm 1 relay contact
Max. 42 VAC or 60 VDC. /
500mA. Default normally
1: Alarm 1 relay contact
open - jumper changeable
Fig. 7
Connections, continued
The air conditioner can operate as a stand alone cooling system. For enhanced usage, it is
possible to connect an external display with keypad.
See below table for options
Connection
Usage
This output will toogle state open/close if
any operation errors occur.
Alarm 1
Default open OR default close can be set
via a jumper on the PCB.
Factory setting is normally open
This output will toogle state open/close
if highest temperature limit setpoint is
exceeded.
AC 1
Default open OR default close can be set
via a jumper on the PCB.
Factory setting is normally open
This input can control and overrule some
operation parameters. See more in the
Digital input 1
parameters list
Active when low (0V)
This input can control and overrule some
operation parameters. See more in the
Digital input 2
parameters list
Active when low (0V)
Temperature sensor for placing inside the
Hotspot sensor
enclosure, in a hotspot zone if required.
Specification
Potential free
Max. 42 VAC or 60 VDC. /
500mA
Galvanic isolated (500V)
Potential free
Max. 42 VAC or 60 VDC. /
500mA
Galvanic isolated (500V)
0/12V DC
Internal pull up
Max. 10mA
0/12V DC
Internal pull up
Max. 10mA
NTC -30 to 85°C
(-22 to 185°F)
11