28
CH ON
6
7
8
9
2
3
4
5
10
11
1
3-2
INS
TALLER
US
ER
MAINTEN
AN
CE TECHNI
CI
AN
3.2 WIRING DIAGRAM.
Remote controls: the boiler is designed for use
with the Comando Amico Remoto remote
control
V2
(CAR
V2
) or alternatively the Super
Comando Amico Remoto remote control, which
must be connected to clamps 42 and 43 of con-
nector X15 on the P.C.B., observing polarity and
eliminating jumper X40.
Room thermostat: the boiler is designed for the
application of the Room Thermostat (S20). Con-
nect it to clamps 40 – 41 eliminating jumper X40.
The connector X5 is used for the connection to
the relay board.
The connector X6 is for connection to a personal
computer.
The connector X8 is used for software updating
operations.
3.3 TROUBLESHOOTING.
N.B.:
maintenance operations must be carried
out by an authorised company (e.g. Authorised
After-Sales Technical Assistance Service).
- Smell of gas. Caused by leakage from gas circuit
pipelines. Check sealing efficiency of gas intake
circuit.
- Repeated ignition blocks. No gas, check the
presence of pressure in the network and that
the gas adduction cock is open. Incorrect
adjustment of the gas cock, check the correct
calibration of the gas valve.
- Irregular combustion or noisiness. It may be
caused by: a dirty burner, incorrect combustion
parameters, intake-exhaust terminal not cor-
rectly installed. Clean the above components
and ensure correct installation of the terminal,
check correct setting of the gas valve (Off-Set
setting) and correct percentage of CO
2
in flue
gas.
- Frequent interventions of the overheating
safety thermostat. It can depend on the lack
of water in the boiler, little water circulation
in the system or blocked pump. Check on the
manometer that the system pressure is within
established limits. Check that the radiator
valves are not closed and also the functionality
of the pump.
- Drain trap clogged. This may be caused by
dirt or combustion products deposited inside.
Check, by means of the condensate drain cap,
that there are no residues of material blocking
the flow of condensate.
- Heat exchanger clogged. This may be caused
by the drain trap being blocked. Check, by
means of the condensate drain cap, that there
are no residues of material blocking the flow of
condensate.
- Noise due to air in the system. Check open-
ing of the special air vent valve cap (Part. 9
Fig. 1-29). Make sure the system pressure and
expansion vessel pre-charge values are within
the set limits; The factory-set pressure values of
the expansion vessel must be 1.0 bar, the value
of system pressure must be between 1 and 1.2
bar.
- Noise due to air inside the condensation
module. Use the manual air vent valve (Part.
21 Fig. 1-29) to eliminate any air present in the
condensation module. When the operation has
been performed, close the manual vent valve.
- Domestic hot water probe faulty. In order to
replace the DHW probe, the storage tank does
not have to be emptied as the probe is not in
direct contact with the DHW inside the storage
tank.
3.4 CONVERTING THE BOILER TO
OTHER TYPES OF GAS.
If the boiler has to be converted to a different
gas type to that specified on the data nameplate,
request the relative conversion kit for quick and
easy conversion.
The gas conversion operation must be carried
out by an authorised company (e.g. Authorised
After-Sales Technical Assistance Service).
To convert to another type of gas the following
operations are required:
- disconnect the appliance;
- replace the nozzle located between the gas pipe
and gas/air mixing sleeve (Part. 11 Fig. 1-29),
taking care to disconnect the appliance during
this operation;
Key:
A4 - Display board
B1 - Flow probe
B2 - Domestic hot water probe
B4 - External probe (optional)
B5 - Return probe
B10 - Flue probe
E1 - Ignition electrodes
E2 - Detection electrode
E4 - Safety thermostat
F1 - Phase fuse
G2 - Igniter
M1 - Boiler circulator pump
M20 - Fan
M30 - Three-way valve
S5 - System pressure switch
S20 - Room thermostat (optional)
T1 - Boiler PCB transformer
X40 - Room thermostat jumper
Y1 - Gas valve
BK - Black
BL - Blue
BR - Brown
G - Green
GY - Grey
G/Y - Green-Yellow
OR - Orange
P - Purple
PK - Pink
R - Red
W - White
Y - Yellow
1 - Storage tank configuration jumper
2 - 230 Vac 50 Hz power supply
3 - SUPER CAR (Optional)
4 - Zones control unit (Optional)
5 - IMG BUS connection
6 - N°. of fan revs.
7 - S34 setting
8 - Supervisor connection active
9 - External probe connection active
10 - Domestic hot water
11 - Central heating
Summary of Contents for VICTRIX ZEUS SUPERIOR
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