Installation manual

RIVA PLUS COMBI MANUAL 45
15. Commissioning Cont.
Useful output
KW 15 16.8 18.5 20.5 22 23.8 26 28
BTU/h 51225 58055 63177 70005 75130 81277 88790 95620
Natural
Pa
inwc.
290
1.16
370
1.48
460
1.84
560
2.24
660
2.65
780
3.13
900
3.61
1040
4.17
m³/h
ft³/h
1.76
5.77
2.00
6.56
2.23
7.31
2.46
8.07
2.69
8.82
2.91
9.54
3.14
10.30
3.36
11.02
Propane
Pa
inwc.
680
1.45
860
1.69
1060
2.25
1270
3.21
1500
4.34
1740
5.62
2000
7.06
2270
8.95
Kg/h
lb/h
1.3
3.0
1.5
3.3
1.7
3.7
1.9
4.1
2.0
4.4
2.2
4.8
2.3
5.1
2.5
5.5
Table 15.1
15.10 Labels placement:
Figure 15.11
1
4
2
3
5
15.9 Adjustment of the useful c.h. output:
• Turn the boiler OFF.
• Open the gas valve outlet pressure test point 15 (gure 15.4) and connect the gauge.
• Turn the boiler ON positioning the function selector B in the position shown in gure 15.6
and ensure that the room thermostat is set to “heat demand”.
• Loosen screws D and remove the service panel (gure 15.7).
• To carry out the adjustment use the adjustment device (RISC) with the help of a screwdriver.
• By rotating the device clockwise the pressure increases.
• Adjust the gas pressure at the burner to the value according to the useful c.h. output wanted (Tab. 15.1).
• Reassemble the service panel.
• Close the gas valve outlet pressure test point 15 (gure 15.4).
• Reassemble the front panel of the case.