MINI Nike 24 3 E - Immergas

3.17 YEARLY APPLIANCE CHECK AND
MAINTENANCE.
The following checks and maintenance should
be performed at least once a year.
- Clean the flue side of the heat exchanger.
- Clean the main burner.
- Visually check the flue hood for deterioration
or corrosion.
- Check correct lighting and functioning.
- Check correct calibration of the burner in domestic
hot water and central heating phases.
- Check correct functioning of control and
adjustment devices and in particular:
- the intervention of main electrical switch
positioned outside of the boiler;
- system control thermostat intervention;
- domestic hot water control thermostat intervention.
- Check sealing efficiency of the gas circuit and
the internal system.
- Check the intervention of the device against no
gas ionisation flame control. Intervention time
must be less than 10 seconds.
- Visually check for water leaks or oxidation
from/on connections.
- Visually check that the water safety drain valve
is not blocked.
- Check that, after discharging system pressure
and bringing it to zero (read on boiler manometer),
the expansion vessel load is at 1.0 bar.
3.18 VARIABLE HEAT OUTPUT.
HEAT
OUTPUT
HEAT
OUTPUT
BURNER GAS
FLOW RATE
N.B.: Gas flow rates refer to heating power below
a temperature of 15°C and at a pressure of
1013 mbar. Burner pressure values refer to use
of gas at 15°C.
- Check that the system static pressure (with
system cold and after refilling the system by
means of the filling valve) is between 1 and
1.2 bar.
- Visually check that the safety and control
devices have not been tampered with and/or
shorted, in particular:
- temperature safety thermostat;
- water pressure switch,
- flue exhaust control thermostat.
- Check the condition and integrity of the electrical
system and in particular:
- electrical power cables must be inside the
whipping;
- there must be no traces of blackening or
burning.
N.B.: on occasion of periodical maintenance of
the appliance it is appropriate also to check and
perform maintenance on the central heating
system, in compliance with that indicated by the
regulations in force.
METHANE (G20) BUTANE (G30) PROPANE (G31)
PRESS. NOZZLES
PRESSURE
BURNER GAS
FLOW RATE
PRESS. NOZZLES
PRESSURE
BURNER GAS
FLOW RATE
PRESS. NOZZLES
PRESSURE
(kW) (kcal/h) (m 3 /h) (mbar) (mm H 2 O) (kg/h) (mbar) (mm H 2 O) (kg/h) (mbar) (mm H 2 O)
23.8 20468 2.77 13.50 137.7 2.07 27.70 282.5 2.03 35.70 364.0
23.0 19780 2.67 12.68 129.3 2.00 25.95 264.6 1.96 33.43 340.9
22.0 18920 2.56 11.69 119.2 1.91 23,86 243.3 1.88 30.74 313.4
21.6 18550 2.51 11.28 115.1 1.87 22.99 234.5 1.84 29.62 302.1
20.0 17200 2.33 9.86 100.6 1.74 20.00 204.0 1.71 25.76 262.7
19.0 16340 2.22 9.01 91.9 1.66 18.22 185.8 1.63 23.46 239.3
18.0
17.0
15480
14620
HEAT
+
DHW
2.11
2.00
8.21
7.44
83.7
75.8
1.57
1.49
16.54
14.94
168.7
152.4
1.55
1.47
21.29
19.22
217.1
196.0
16.0 13760 1.89 6.70 68.4 1.41 13.43 137.0 1.38 17.27 176.1
15.0 12900 1.77 6.01 61.3 1.32 12.00 122.4 1.30 15.43 157.3
14.0 12040 1.66 5.35 54.5 1.24 10.65 108.6 1.22 13.68 139.5
13.0 11180 1.55 4.72 48.1 1.16 9.38 95.6 1.14 12.04 122.8
12.0 10320 1.44 4.12 42.0 1.08 8.18 83.4 1.06 10.50 107.0
11.0 9460 1.33 3.55 36.2 0.99 7.06 72.0 0.98 9.05 92.2
10.0 8600 1.22 3.02 30.8 0.91 6.01 61.3 0.89 7.69 78.4
9.5 8170 1.16 2.76 28.2 0.87 5.51 56.2 0.85 7.05 71.9
9.4 8084 1.15 2.71 27.7 0.86 5.41 55.2 0.85 6.92 70.6
7.0 6020 DHW 0.88 1.60 16.3 0.65 3.30 33.7 0.64 4.20 42.8
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