Ariston ecoGENUS 24 MFFI Instruções de manutenção - Página 20
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Model 24 RFFI System
C.H. ONLY
SELECTOR
ON/OFF
ON
(green L.E.D. on):
cylinder excluded
BUILT-IN
ELECTRONIC
ANTI-FROST DEVICE:
Is there a condition for it to be active?
(- flow temp. < 3 C
- outdoor temp. < -3 C (outdoor sensor optional)
- Jumper 4 selects the pump
for continuous
operation)
THERE IS NO CALL FOR PUMP OPERATION
20
1. There is sufficient water in the system
2. The gas is turned on
3. The electrical supply is turned on
YES
TABLE
APPEAR ON THE DISPLAY?
I and II
POSITION OF THE SUMMER/
SUMMER
OFF
(green L.E.D. off):
cylinder active
The
C.H. flow
temperature
is lower than 80 C
and the temperature of the
cylinder is at least 5 C
below the one
selected.
NO
YES
NO
MAKE SURE THAT:
PUSH THE ON/OFF
BUTTON TO ON
IS THE
POWER L.E.D. AND
DISPLAY ON?
DOES A STOP CODE
WINTER SELECTOR
OFF
(green L.E.D. off):
cylinder active
C.H. flow
temperature
is lower than 80 C
YES YES
and the temperature of the
cylinder is at least 5 C
below the one
selected.
NO
YES
YES
A
NO
1. Check the fuses
2. Check the power supply to
the control panel
3. Check/replace the
ON/OFF button
4. Check the connection between
the main and display P.C.B.s
5. Check/replace the
main and display P.C.B.s
WINTER
C.H. ONLY
SELECTOR
ON/OFF
The
ON
MUST
THE TIME CLOCK
AND/OR ROOM THERMOSTAT
BE ACTIVATED?
NO
BUILT-IN
ELECTRONIC
ANTI-FROST DEVICE:
Is there a condition for it to be active?
(- flow temp. < 3 C
- outdoor temp. < -3 C (outdoor sensor optional)
- Jumper 4 selects the pump
for continuous
operation)
NO
THERE IS NO CALL FOR PUMP OPERATION
(green L.E.D. on):
cylinder excluded