Unit installation

Ed. 05/2009
User, Installation and Service Manual for F1 Gas Unit Heaters 18
BURNER PRESSURE SETTING TABLE FOR UNITS
SUPPLIED WITH LPG (G31) PROPANE OR COMMERCIAL MIX (SUPPLY PRESSURE 37 mbar)
F1 21 F1 31 F1 41 F1 51 F1 61 F1 81
Burner Pressure (mbar)
(mmH
2
O)
36,5
372
36,5
372
36,5
372
35,5
362
35,5
362
33,3
339
CO
2
in flue (%)
10,1 – 10,9 10,4 – 10,9
CO in flue (ppm)
0 - 30
Table 7
Figure 14
A) burner pressure adjustment
screw (by BM 762 the protection must be
removed)
B) Inlet gas pressure check tap
E) Burner pressure check
VALVOLA
SIT 830 TANDEM
VALVOLA BM 762
A
B
E
B
E
A
HONEYWELL VK 4125A
A
B
E