2.5
ELECTRICAL CONNECTION
The boiler is fitted with an electricity
cable, and requires a a single-phase
power supply of 230V - 50Hz through
the main switch protected by fuses.
KEY
TS H.L. stat
SB Burner lock-out lamp
EI
Summer - Winter switch
TA Room stat
L
N
32
The room thermostat (required for
enhanced room temperature control)
should be installed as shown in fig. 6.
Connect the burner and system circu-
lation pump power cables supplied.
NOTE: Device must be connected to
TB D.H.W. stat
TC Boiler stat
TL Limit stat
IG
Main switch
IG
2
3
6
TB
1
3
4
2
5
10
R
1
TL
9
8
E / I
4
7
5
6
7
9
8
11
an efficient earthing system.
SIME declines all responsibility for
injury caused to persons due to fai-
lure to earth the boiler. Always turn
off the power supply before doing
any work on the electrical panel.
PB D.H.W. pump tank
PI
C.H. pump
B
Burner
R
Relays
13
10
14
PB
15
16
TS
SB
11
17
23
18
PI
12
TC
19
22
21
20
TA
B
Fig. 5