Installation
GREENSTAR WIRING CENTRE – 6720880441 (2018/01)
13
3 central heating circuits without electronic mixing valves:
Fig. 24 3 heating circuits without electronic mixing valves
Earth lead
L
Phase (mains voltage)
N
Neutral conductor
Switch:
I
Code switch I – system type
II
Temperature switch II – domestic hot water cylinder
temperature
Terminal identification:
230 V AC Mains voltage
BUS
EMS 2
BUS
IZ1...3
Room thermostat
(
I
nput
Z
one;
: temperature/temperature sensor)
IZ4
No function
MD1
No function
OS1
No function
PZ1...3
DHW circulation pump (
P
ump
Z
one)
T0
Flow temperature sensor for the low-loss header
(
T
emperature sensor); optional
T1
No function
TC1
No function
System components:
230 V AC Mains voltage
BUS
EMS 2
BUS
(connection between Greenstar Wiring Centre and boiler)
GWC
Greenstar Wiring Centre
PZ1...6
DHW circulation pump in each heating circuit (
P
ump
Z
one);
allocation of heating units 1, 2 and 3 or 4, 5 and 6 according
to coding (
chapter 4, page 15)
T0
Flow temperature sensor at the low-loss header
(
T
emperature sensor); optional
TZ1...6
Room thermostat (
T
hermostat room temperature
Z
one;
:
temperature/temperature sensor); allocation of heating
circuits 1, 2 and 3 or 4, 5 and 6 according to coding
(
chapter 4, page 15)
*)
The marked system components are connected to the
module with coding 3 (coding
chapter 4, page 15).
1)
Thermostats TZ1 to 6 must be programmable room
thermostats and compatible with 230 V AC operation. Pay
attention to the module codes (
chapter 4, page 15).
T0
GWC
PZ1
PZ4*
PZ2
PZ5*
PZ3
PZ6*
TZ1
TZ4*
TZ2
TZ5*
TZ3
TZ6*
1)
1)
1)
1)
1)
1)
0010016319-001
1
2
1
2
1
2
TC1
T0
BUS
BUS
1
2
BUS
1
2
3
1
OS1
2
1
2
MD1
1
2
T1
24 V
N L
N
L
N
IN L IN L IN
L IN
L
120/230VAC
120/230VAC
IZ1
IZ2
IZ3
IZ4
120/230 V AC
N
N 43
N 14
14
PZ2
PZ3
PZ1
120/230 V AC
230 V AC 230 V AC
L
N
L
N
BUS
T0
M
PZ1
PZ4*
N L
L
N
N
M
PZ2
PZ5*
N L
L
M
PZ3
PZ6*
N L
L
N
TZ1
TZ4*
N L
S
TZ2
TZ5*
L
S
TZ3
TZ6*
L
S
I
II
II
0
1
2
3
4
S
Y
off
off
40
40
50
50
60
60
70
70
max
max