Dettson Chinook C45-1-X Serie Instructions D'installation Et Manuel Du Propriétaire page 17

Figure 14 – Two stage gas valve
Figure 15 – Adjustment screw
Table 6 – Maximum capacity of pipe Cu.ft./Hr for pipe length ft (m)
Nominal Iron pipe size in. (mm)
1/2 (13)
3/4(19)
1 (25)
1-1/4 (32)
1-1/2 (39)
Gas Pressure in w.c. (psig)
Internal dia. in. (mm) 10 (3.0)
0.622 (158)
0.824 (20.9)
1.049 (26.6)
1.380 (35.0)
1.610 (40.9)
16
Table 4 – Inlet gas pressure
Maximum
Minimum
Table 5 – Outlet gas pressure
Gas Pressure in w.c.
High fire (100%)
Low fire (70%)
Figure 16 – Typical gas pipe arrangement
20 (6.0) 30 (9.1)
175 120 97
360 250 200
680 465 375
1400 950 770
2100 1460 1180
Natural gas Propane
10.5 (0.38) 13.0 (0.47)
4.5 (0.16) 11.0 (0.40)
Natural Gas Propane
3.0 8.6
1.55 5.0
40 (12.1) 50 (15.2)
82 73
170 151
320 285
660 580
990 900