SKY F
13
EN
cod. 3540Z105 - Rev. 01 - 01/2018
DHW power adjustment
To adjust the DHW power, switch the boiler to
TEST
mode (see sec. 4.1). Press the
“+”
and
“-”
buttons (details 1 and 2 - fig. 1) to increase or decrease the power (min. = 00 -
max. = 100). Press the
reset
button within 5 seconds and the max. power will remain that
just set. Exit the
TEST
mode (see sec. 4.1).
4.2 Commissioning
Before lighting the water heater
•
Check the tightness of the gas system.
•
Fill the water system and make sure all air contained in the water heater and the sys-
tem has been vented.
•
Make sure there are no water leaks in the system or unit.
•
Check correct connection of the electrical system and efficiency of the earthing system.
•
Make sure the gas pressure value is that required.
•
Make sure there are no flammable liquids or materials in the immediate vicinity of
the water heater.
B
IF THE ABOVE INSTRUCTIONS ARE NOT OBSERVED THERE MAY BE
RISK OF SUFFOCATION OR POISONING DUE TO GAS OR FUMES ES-
CAPING; DANGER OF FIRE OR EXPLOSION. ALSO, THERE MAY BE A
RISK OF ELECTRIC SHOCK OR FLOODING THE ROOM.
Checks during operation
•
Turn the unit on.
•
Check the tightness of the fuel circuit and water systems.
•
Check the efficiency of the flue and air/fume ducts while the water heater is working.
•
Make sure the gas valve modulates properly.
•
Check correct lighting of the water heater, by turning it on and off several times.
•
Make sure the fuel consumption indicated on the meter matches that given in the
technical data table on cap. 5.
4.3 Maintenance instructions
IMPORTANT
B
ALL MAINTENANCE WORK AND REPLACEMENTS MUST BE CARRIED
OUT BY SKILLED QUALIFIED PERSONNEL.
Before carrying out any operation inside the boiler, disconnect the power
and close the gas cock upstream. Otherwise there may be a danger of ex-
plosion, electric shock, suffocation or poisoning.
Periodical inspection
To ensure proper operation of the unit over time, have qualified personnel carry out a
yearly inspection, providing for the following checks:
•
The control and safety devices (gas valve, flow switch, etc.) must function correctly.
•
The fume exhaust circuit must be perfectly efficient.
•
The air/fume terminal and ducts must be free of obstructions and leaks
•
The burner and exchanger must be clean and free of deposits. For possible clean-
ing, do not use chemical products or wire brushes.
•
The electrode must be properly positioned and free of deposits.
fig. 12 - Electrode positioning
•
The gas and water systems must be tight.
•
The gas flow and pressure must match that given in the respective tables.
4.4 Troubleshooting
Diagnostics
The water heater has an advanced self-diagnosis system. In case of a fault in the unit,
the display will flash together with the fault symbol indicating the fault code.
There are faults that cause permanent shutdown (marked with the letter "
A
"): to restore
operation press the RESET button (detail 6 - fig. 1) for 1 second. If the water heater fails
to restart, it is necessary to eliminate the fault.
Other faults (marked with the letter "
F
") cause temporary shutdowns that are automati-
cally reset as soon as the value returns within the water heater's normal working range.
List of faults
Table. 6
fig. 10 - Gas valve
A
- Upstream pressure point
B
- Downstream pressure point
I
- Gas valve electrical connection
R
- Gas outlet
S
- Gas inlet
fig. 11 - Gas valve connection
TYPE SGV100
Pi max 65 mbar
24 Vdc - class B+A
R
B
I
A
S
~ 65
W
~ 24
W
1 2 3 4
3
±
0,5
=
=
Fault
code
Fault
Possible cause
Cure
A01
No burner ignition
No gas
Check the regular gas flow to the
water heater and that the air has been
eliminated from the pipes
Ignition/detection electrode fault
Check the wiring of the electrode and
that it is correctly positioned and free
of any deposits
Faulty gas valve
Check gas valve and replace it if nec-
essary
Gas valve wiring disconnected
Check the wiring
Ignition power too low
Adjust the ignition power
A02
Flame present signal with
burner off
Electrode fault
Check the ionisation electrode wiring
Card fault
Check the card
A03
Overtemperature protec-
tion activation
DHW sensor damaged
Check the correct positioning and
operation of the DHW sensor
No water circulation
Check the flowswitch
F04
Card parameter fault
Wrong card parameter setting
Check the card parameter and modify
it if necessary
F05
Card parameter fault
Wrong card parameter setting
Check the card parameter and modify
it if necessary
Fan fault
Wiring disconnected
Check the wiring
Faulty fan
Check the fan
Card fault
Check the card
A06
No flame after the ignition
phase
Low pressure in the gas system
Check the gas pressure
Burner minimum pressure setting Check the pressures
F07
Card parameter fault
Wrong card parameter setting
Check the card parameter and modify
it if necessary
A09
Gas valve fault
Wiring disconnected
Check the wiring
Faulty gas valve
Check the gas valve and replace it if
necessary
F10
DHW sensor 1 fault
Sensor damaged
Check the wiring or replace the sen-
sor
Wiring shorted
Wiring disconnected
F14
DHW sensor 2 fault
Sensor damaged
Check the wiring or replace the sen-
sor
Wiring shorted
Wiring disconnected
A16
Gas valve fault
Wiring disconnected
Check the wiring
Faulty gas valve
Check the gas valve and replace it if
necessary
F20
Combustion control fault
Fan fault
Check the fan and fan wiring
Wrong baffle
Check the baffle and replace it if nec-
essary
Flue obstructed or not correctly
sized
Check the flue
A21
Poor combustion fault
Fault F20 generated 6 times in the
last 10 minutes
See fault F20
F34
Supply voltage under 180V. Electric mains trouble
Check the electrical system
F35
Faulty mains frequency
Electric mains trouble
Check the electrical system
A41
Sensor positioning
DHW sensor disconnected from
pipe
Check the correct positioning and
operation of the sensor
F42
DHW sensor fault
Sensor damaged
Replace the sensor
F50
Gas valve fault
Modulating Operator wiring dis-
connected
Check the wiring
Faulty gas valve
Check the gas valve and replace it if
necessary
A51
Poor combustion fault
Inlet/exhaust flue obstruction
Check the flue
Summary of Contents for SKY 11 F
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