Sauter flexotron®800
ventilation
Installation and wiring
P100012082
23
3.5
Wiring diagram RDT828
(Configuration 828 cascade & humidity)
(See also: Figure for terminal assignment, page 14)
-
LS
Power supply 24 V AC ±15%. 50/60 Hz
or 24 V DC
1
D+
RS485 Modbus (not with
web (TCP/IP) models)
-
MM
2
D-
-
Earth conductor
3
C
-
+24 V
+24 V DC. Reference point for digital inputs DI
4
E
42 LS
Reference point for digital outputs DO
-
-
-
41 DO1
Heating coil pump
-
-
40 DO2
Supply air fan, level 1
-
-
39 DO3
Supply air fan, level 2
38 DO4
Collective alarm
9
DI1
External OFF switch
37 DO5
Cooling demand
10
DI2
Frost-protection facility
36 DO6
Heat demand
11
DI3
Supply air fan on
35 DO7
Not used
12
DI4
Not used
13
DI5
Heating coil pump on
34
Reference potential for analogue inputs AI
14
DI6
Filter monitor
33 AI1
Outside temperature
15
DI7
Not used
32 AI2
Supply air temperature
16
DI8
Return air fan
31
Reference potential for analogue inputs AI
30 AI3
Frost-protection sensor
17
Reference potential for analogue
outputs AO
29 AI4
Return air temperature
18
AO1
Y1 actuator for heater
19
AO2
Y2 actuator for HRec
28
Reference potential for universal inputs UI
20
AO3
Y3 actuator for cooler
27 UI1
Room humidity
21
AO4
Not used
26 UI2
Setpoint for room temperature
22
AO5
Humidity
25
Reference potential for universal inputs UI
24 UI3
Supply air humidity
23 UI4
Not used