Electrical connections
This below illustration shows the pin assignment for connections:
J1
J5
J9
J4
J16
J17
J6
J11
J10
J15
J7
J3
J2
AL 1
AL 2
AC 1
AC 2
RS485 in
RS485 out
TTL
1=Gnd
2=B
3=Gnd
4=A
5-8=nc
1=Gnd
2=B
3=Gnd
4=A
5-6=line pwr gnd
7-8=12v line pwr
PC interface - galvanic isolated
Gnd
Room sensor
Gnd
Digital input 2
Gnd
Digital input 1
Alarm 2
Alarm 2
Alarm 1
Alarm 1
AC 2
AC 2
AC 1
AC 1
Damper 2 GND
Damper 2 close
Damper 2 open
SD reader
48V DC negative
48V DC positive
48VDC
16A fused
External safety breaker
(not included)
-t°
Pre wired
See unit schematics
Comp. out 1
Comp GND
Damper 1 open
Damper 1 close
Damper 1 GND
Heater out +
Heater out GND
Condenser fan out +
Condenser out GND
Amb temp sens
Amb temp sens GND
Supply temp sens
Supply temp sens GND
Condenser temp sens
Condenser temp sens GND
Phase monitor input
Phase monitor input GND
Filter guard input
Filter guard input GND
Door switch input
Door switch GND
1: Fan positive
2:Fan PWM
3:Fan tacho
4:Fan GND
1: Fan positive
2:Fan PWM
3:Fan tacho
4:Fan GND
1: Fan positive
2:Fan PWM
3:Fan tacho
4:Fan GND
Standard shielded ethernet cable
(568A termination both ends)
Accessory
10A Mini blade terminal.
FX ”Littlefuse” type ”997 010”
10A Mini blade terminal.
FX ”Littlefuse” type ”997 010”
10A Mini blade terminal.
FX ”Littlefuse” type ”997 010”
SD card slot for setup and logging
Green LED
Red LED
F2
F3
F4
0 / 12V DC with pull up
Potential free -max. 42VAc or 60VDc. /
500mA - (SELV)-Default normally open -
jumper changeable
48V DC/100mA
SD card slot for setup and logging
PC interface - galvanic isolated
48VDC
16A fused
Green LED
Red LED
Accessory
Standard shielded ethernet cable
(568A termination both ends)
48V DC negative
External safety breaker
(not included)
48V DC positive
Fig. 14
External
connections
088013 •
Version 1.0 • 30.01.2015
en
17
