Glow-worm SYSTEMPRO Instructions For Use Manual page 12

INSTALLATION AND SERVICING
4.4.2 External connection
2
1
Key
1 Switch On (I) / Off (O)
2 Fuse 1AT 20mm
3 Antenna
4 RJ9 eBUS socket
5 RJ11 eBUS socket
The switch (1) is employed to cut the power supply before making
any changes to the electrical connection.
The electrical circuit of the equipment is protected internally by a
fuse (2).
The antenna is used for wireless connection with the
Climapro2 RF and the outdoor sensor.
4.4.3 Internal connection
230V connectors
230V~ REL1
N L N
1
Key
1 230 V connector (3-pin: earth / neutral / live)
2 Connectors (3 pins: earth / neutral / live):
REL1, REL2 and REL3
3 Connectors (2 pins: live / neutral):
REL4, REL5 and IN1
The connector (1) is employed to connect the electricity supply.
EN
- 12 -
3
REL2 REL3 REL4 REL5 IN1
L N L N L N L N L N L
2 3
4
5
OUT1 OUT2 OUT3
1 2 1 2 1 2
Key
1 Connectors (2 pins)
OUT1, OUT2, OUT3, IN2, IN3, NTC1, NTC2, NTC3 and NTC4
2 eBUS connectors (2 pins)
Example of multiple connections on an eBUS connector
BUS
1
Key
1 wired outdoor sensor
2 eBUS Connectors (2 pins)
3 Connector block
4 Wired room thermostat
5 Boiler
24V connectors
IN2 IN3 NTC1 NTC2 NTC3 NTC4 EBUS
1 2 1 2 1 2 1 2 1 2 1 2
1
2
EBUS EBUS
+ - + -
BUS
BUS
5
16A
0020148679_00 - 11/12 - Glow-worm
EBUS EBUS
+ - + - + -
2
EBUS
+ -
3
4