Electrical installation
34 Installation and maintenance instructions ecoTEC plus 0020116700_01
8
Circulation pump remote control
1
DCF connection
Earth
Earth
External sensor
External temperature sensor
6
Pump PWM signal
Ignition
unit
Bus connection
(Controller/room th. digital)
M
+
X25
7
8
5
3
11
10
+
2
1
9
6
12
X2
8
17
7
18
14
13
4
12
5
7
7
16
4
3
17
24 V
230 V~
X51
5
3
17
4
X22
8
15
13
12
2
X20
X24
X41
X100
2
3
11
6
1
Internal pump *
Ignition
electrode
Auxiliary relay *
(Selection by D.026)
Mains connection
Appliance earth
X16
X18
X1
* ... variant-dependent
230 V AC room thermostat *
No function *
+ 24 V
PWM
Earth
Hall signal
Diverter
valve
Stepper motor
Gas valve
5
1
6
Holding magnet
+
-
1
3
4
red
Flow sensor
blue
Return sensor
Display
Connection
Safety fuse
Coding resistor, output range
Coding resistor, gas group
2
3
4
Burner
off
RT
24
Bus
Water pressure
sensor
Mass flow
sensor
Contact thermostat/burner off
1
2
3
4
5
6
1
2
3
Impeller
sensor
orange
Warm start sensor
Hot water sensor
violet
Fan
12
45
+
-
FB
AF
RF
DCF
0
0
L
N
L
N
N
RT
L
24 V DC room thermostat
blue
pink
white
Edge
connector
white
blue
pink
grey
green
turquoise
white
8.5 Connection diagram for electronics box ecoTEC plus 824,
831
To Next Page
Loading...
Need help?
General
