Sime MURELLE HE 50 R Manual De Usario página 102

of the output temperature is automatically
chosen by the system, which quickly adjusts
the environmental temperature on the
basis of the external temperature. If you
wish to change the value of the temperatu-
re, increasing or decreasing that calcula-
ted automatically by the electronic card,
proceed as indicated in the preceding para-
graph. The level of various correction of a
value of temperature proportional calcula-
ted. The display will be as shown in fig.
25/a.
TO SWITCH OFF THE BOILER (fig. 24)
In the case of a short absence, press the
key ( ) of the controls (pos. 2). The
display will be as shown in the fig. 24. In this
way, leaving the electricity and the fuel sup-
ply connected, the boiler is protected from
fr os t and fr om t he pump becoming
blocked. If the boiler is not used for a pro-
longed period, it is advisable to disconnect
the electricity supply, by switching off the
main switch of the system, and to close the
gas tap and, if low temperatures are expec-
ted, to completely empty the hydraulic cir-
cuits to avoid pipes being broken by the for-
mation of ice in the pipes.
ANOMALIES AND SOLUTIONS
When there is a functioning anomaly, the
display shows an alarm and the blue lumi-
nous bar becomes red. Descriptions of the
anomalies with the relative alarms and
solutions are given below:
– ALARM 02 (fig. 27/a)
If the water pressure detected is lower
than 0.5 bar, the boiler will stop and the
display will show "ALL 02".
Lower the knob and turn it anti-clockwise
to open until the pressure indicated by
the display is between 1 and 1.5 bars.
If it is necessary to repeat the system
loading procedure, it is advisable to
contact qualified technical personnel
to check the seal of the heating system
(to check whether there are any leaks).
– ALL 03
Request assistance from qualified
technical personnel.
– ALL 05
Request assistance from qualified
technical personnel.
– ALL 06 (fig. 27/c)
Press the key f the controls (2) to
102
re-start the boiler.
If the anomaly persists, request assi-
stance from qualified technical person-
nel.
2
– ALL 07 (fig. 27/d)
Press the key
re-start the boiler.
If the anomaly persists, request assi-
stance from qualified technical person-
nel.
2
– From "ALL 08" to "ALL 10"
Request assistance from qualified
technical personnel.
– ALL 13 (fig. 27/e)
Press the key
re-start the boiler.
Fig. 27/a
2
If the anomaly persists, request assi-
stance from qualified technical person-
nel.
– ALL 14 and ALL 15
Request assistance from qualified
technical personnel.
– "
Request assistance from qualified
technical personnel.
– From "ALL 20" to "ALL 23"
Request assistance from qualified
technical personnel.
– From "ALL 30" to "ALL 35"
Request assistance from qualified
technical personnel.
Fig. 27/c
– ALL 70 and ALL 71
These alarms appear on the CR 73
remote control display. Request assi-
stance from qualified technical person-
of the controls (2) to nel.
GAS CONVERSION
If it is necessary to change to a different
type of gas, request assistance only from
authorised technical personnel.
MAINTENANCE
Annual maintenance of the appliance
should be planned sufficiently in advance,
requesting the assistance of authorised
technical personnel.
The boiler is supplied with an electric wire
for the electrical power supply which, in
the case of replacement, must be substi-
tuted only by another obtained from the
constructor.
Fig. 27/d
of the controls (2) to
Fig. 27/e
FLASHING"