Technical data

22 Installation and maintenance manual atmoCRAFT
5.4.4 Electrical connection plan with system Pro E
Charging pump
Heating circuit pump
Option external controller/room thermostat 230V contact
Option external controller /room thermostat 7-8-9, 24V, digital or analogue
Option installation thermostat
Feed/return sensor (option)
DCF connection
External sensor
1
1
2
7
8
9
3
4
5
L
N
L
N
L
N
Mains infeed
Mass
Mass
Connection accessories box /
accessories module
Used alternatively, depending upon accessories
Red
White
C1
C2
Storage tank thermostat (accessories)
Exhaust gas sensor (accessories)
otherwise replacement resistance
Storage tank sensor
(accessories)
Boiler sensor
Coded resistance (12.7 kOhm)
Feed/return sensor (option)
DCF connection
External sensor
Remote control circulation pump
Mass
ET plug 252629
Mass
Plug for controller
accessories (in controller set)
Safety temperature limiter
Ionisation electrode
Diverter setting motor
Open Closed
M
X1
X8
X7
X2
X11
X9
24 V 230 V~230 V~
N
1
5
4
2
3
1
3
L
N
N
PE
Ignition electrode
Ignition transformer
Stationary Rast-5 plug Small voltage plug Small voltage Mains voltageMainsEdge plug Edge plug
7
1
7
Relay PCB
Ignition stage
Ignition gas
Main valve
Gas valve 1st stage
Gas valve 2nd stage
("modulation magnet")
Unit mass
1
19
17
1
12
5
8
6
24
16
23
10
14
2
13
3
Fig. 5.3 Electrical connections atmoCRAFT up to 115 kW
5 Installation