26
3.5. DISPLAY:MESSAGES SHOWN DURING
NORMAL OPERATION
During operation of the boiler, while it is carrying out its normal
operations, the left-hand display shows a series of characters that
ref
er to the operations indicated below:
-
-
Diagnostics phase (precedes the other operations)
0
0
No request for heat
C
C
Heating
c
c
Pump overrun for heating
d
d
Domestic hot water
h
h
Pump o
verrun for domestic hot water
b
b
Storage cylinder(SYSTEM version)
The r
ight-hand display (two-digit) shows:
- in CENTRAL HEATING mode: temperature of the Central Heating
system flo
w;
- in DOMESTIC HOT WATER mode: temperature of the Domestic Hot
Water (MFFI only).
FIG. 3.9
LEFT RIGHT
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