Electrical Connection - Sime RONDO 3 OF Instrucciones De Instalación Y Mantenimiento

– insert the upper bracket (5) fixing it to the
front head with the two TE screws.
– insulate the cast iron body with glass wool,
fixing it with the two springs supplied;
– assemble the panel (11) making sure that
the TE screws are already fitted on the
combustion chamber door.
– fit the left side (3) and the right side (4) by
inserting them in the tangs on the bra-
ckets (1-2) depending on the model.
– fix the sides to the upper brackets (5 - 1)
with the four self-tapping screws sup-
plied;
– fit the two back panels (6) and (7) of the
sides with the ten self-tapping screws
supplied;
– fit the control panel (9) inserting the two
lower tangs of the panel on the drains
on the sides, and fix it with the four self-
tapping screws supplied. Before carrying
out this operation unwind the capillaries
of the two thermostats and the thermo-
meter and place the respective feelers in
the sheath (10), fixing all with a capillary
pin;
– fit the front panel (8) fixing it to the sides
with pin clutches;
– complete the assembly by fixing the lid
(12) to the sides with pin clutches.
NOTE: Remove the "Testing Certificate"
from inside the combustion chamber and
keep together with the instructions man-
ual.
2.6 ELECTRICAL
CONNECTION
The boiler is fitted with an electricity cable,
and requires a 1ph - 230V - 50Hz power
supply through the main switch protected
Permanent Feeding Burner
BRUCIATORE CON
ALIMENTAZIONE PERMANENTE
KEY
L Line
N Neutral
IG Main switch
TS Safety stat
TC Boiler stat
SA Green voltage LED
P C.H. pump
B Direct Feeding Burner (not supplied)
by fuses.
The room thermostat (required for
enhanced room temperature control)
should be installed as shown in fig. 6.
Connect the burner with the cable supplied.
NO T E: Device must be connected to an effi-
cient earthing system.
SI M E de c li n es all responsibility for injury
caused to persons due to failure to earth
Storage tank
COLLEGAMENTO BOLLITORE ACS
PB
2
PI
L N 1 2 3 4 5
NC
NA
R
C
NOTE: The brown (capped off)
cable has to be exclusively
used in case of permanent
feeding burners (type B1).
B1 Permanent Feeding Burner (not supplied)
TA Room stat
OP Programmer's clock (optional)
NO T E: When a room stat is to be fitted remo-
ve the link between terminal 4 and 5 on the
connector plug. To connect the programmer's
clock (OP), remove the link between terminals
5 and 8.
the boiler. Always turn off the power sup-
ply before doing any work on the electrical
panel.
2.6.1 Electrical connection
to the boiler unit
Connect the cables as shown in the diagram
(fig. 6/a).
KEY
L Line
N Neutral
IG Main switch
TS Safety stat
TC Boiler stat
SA Green voltage LED
P C.H. pump
B1 Permanent Feeding Burner
TB
(not supplied)
C
OP Programmer's clock (optional)
1
PB D.H.W. pump
TB D.H.W. stat
R Relais
6
NOTE: To connect the ambient ther-
mostat (TA), remove the link between
terminals 1-5 of the boiler unit termi-
nal block.
Remove links 4-5 and 8-9 from the boi-
ler terminal block.
To connect the programmer's clock
(OP), remove the link between termi-
nals 5-8.
Fig. 6
Fig. 6/a
39