Heat recovery unit RDAF - Technical manual
12
FläktGroup DC_9349GB_20190326_R4
We reserve the right to make changes without prior notice
WIRING AND CONNECTION DIAGRAM, EXTERNAL FUNCTIONS
CONTROL CARD
ISYteqTouch
control panel
ISYteq Basic
control panel
USB
only for
update
Preheater Maxi, duct air heater
Relay board
Start
Alarm
Control
signal
Modbus
RS485
CO
2
sensor
Timer 1
Timer 2
L
N
N
L
NO
C
NC
M
Y
G0
N
L
N
L
B
M
B
M
B
M
N
L
0V
10V
N
L
B A Ref
0V
10V
Techo
PE
G G0 Y
5
6
7
8
1
2
3
4
9
10
11
12
13
101
100
103
102
105
104
107
106
109
108
14 15 16 17 18 19 20 21 22 23 2425 26 27 28 29
33 34 35
30 31 32
36 37 38 39 40
46
47
48
49
42
41
43
44
45
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
Door
switch
Collective
fault alarm
max 24V, 0.2 A
Rotor
Extract air fan
Supply air fan
Temperature
extract air
Temperature
outdoor air
Temperature
supply air
Moisture sensor
extract air
Post Heater
Preheater
Mini, Midi
EXTERNAL FUNCTIONS
Control signal
Preheater Maxi,
supplied with power separately
Start signal
Alarms
G0
Y
10 11 12 13 14 15 16 17
NO
C
NC
C
Figure 13. The diagram above shows connection of external functions.
Figure 14. Preheater RDAF Maxi.
Timer 1
Timer 2
Collective
fault alarm
Max 24V, 200 mA
CO
2
sensor
M
DI
1
2
3 4
5 6 7
8 9
M
DI
+24 V
GND
Output 0 - 10 V
NO
C
