Typical schematic wiring diagram for Xstream Indirect models (Ver: 081003
)
Pump
6
N
Boiler terminals
7
E
8
L
9
N
10
E
11
L
12
SL
13
N
14
E
Room
thermostat
L
2
1
L
2
N
3
E
5
SL
Mains Supply
Fromdouble
pole isolator
230V~, 5A, 50Hz
4
L
L N E
15
L
16
N
18
L1
17
E
19
L2
20
L
21
N
23
L1
22
E
24
L2
HTG Zone valve
b
ro
w
n
g
re
y
b
lu
e
o
ra
n
g
e
g
/y
HW Zone valve
b
ro
w
n
g
re
y
b
lu
e
o
ra
n
g
e
g
/y
L
N
E
Heating Programmer
C
1
C
1
Control stat
HW
ON
HT
ON
2
Overheat stat
Honeywell dual thermostat
25
L
E
L N E
L SL N E
L N E
Pump
L SL N E
Pump
6
N
Boiler t
7
E
8
L
9
N
10
E
11
L
12
SL
13
N
14
E
R
thermostat
L
2
1
L
2
N
3
E
5
SL
From
pole isolator
230V~, 5A, 50Hz
4
L
L N E
15
L
16
N
18
L1
17
E
19
L2
20
L
21
N
23
L1
22
E
24
L2
HTG Zone valve
b
ro
w
n
g
re
y
b
lu
e
o
ra
n
g
e
g
/y
HTG Zone valve
b
ro
w
n
g
re
y
b
lu
e
o
ra
n
g
e
g
/y
HW Zone valve
b
ro
w
n
g
re
y
b
lu
e
o
ra
n
g
e
g
/y
H
b
ro
w
n
g
re
y
b
lu
e
o
ra
n
g
e
g
/y
L
N
E
Heati
C
1
C
1
HW
ON
HT
ON
2
25
L
E
L N E
L SL N E
L N E
Pump
L SL N E
The electrical installation must comply with IEE requirements.
For electrical installation refer to BS7671
Note: Do not attempt the electrical work unless you are competent to carry
out to the above standard
Page 13
INSTALLATION
Xs
tr
eam
