Characteristics; Combustion Chamber; Use And Maintenance - Sime SOLO 20 OF Manual Del Usuario

3

CHARACTERISTICS

3. 1

COMBUSTION CHAMBER

DIMENSIONS
The combustion chamber is a direct
passage type and is conform to the EN
303-3 standard annex E.
The dimensions are shown in fig. 10.
An adequat e pr o t ection panel is
mounted on the inside wall of the rear
head of all the models.
L
mm
SOLO 20 OF 305
SOLO 30 OF/BF 405
SOLO 40 OF/BF 505
DUETTO 20 OF 305
DUETTO 30 OF/BF 405
DUETTO 40 OF/BF 505
3.2 SYSTEM AVAILABLE HEAD
The head available for the heating
plant is shown as a function of the
flow in graph in fig. 11.
4

USE AND MAINTENANCE

4. 1 RVA 43.222 UNIT
(optional)
The control panel allows the use of a
RVA 43.222 unit (cod. 8096303) sup-
plied in kit form upon request, com-
plete with mounting instructions (fig.
12).
Make t he electr ic connection as
shown in point 2.7.
REMOVE
Volume
dm 3
17,5
24,0
30,5
500
17,5
24,0
400
30,5
300
200
100
0
4.3 REPLACING THE SWITCH
VALVE ACTUATOR
To remove the switch valve actuator,
follow these instructions (fig. 13):
– Switch off the power supply.
– Disconnect the Molex connector.
– Push the button (1) while simultane-
ously turning the actuator anticlock-
wise to remove it from the valve body.
Fig. 12
270
200 400 600 800 1000
SOLO OF/BF
DUETTO OF/BF - OFi/BFi
AB
A (Heating)
A (Risc.)
L
1200 1400 1800
1600
PORTATA (l/h)
FLOW RATE (l/h)
– To reassemble the actuator, perform
the same procedure in reverse.
WARNING: In the event of a fault, the
switch valve can be operated in
"intermediate" mode, by pushing the
manual opening valve (2) until it is
locked in position halfway along its
travel. This will keep both outlets,
heating and sanitary, partially open.
B (D.H.W.)
B (San.)
Fig. 10
2000
Fig. 11
2
1
Fig. 13
77