WORKING OF THE GAS FIRED ROTISSERIE
Page 39
Service Manual TDR8 P Gas form 9124023 rev. 01/2022
GAS TECHNICAL DATA
Gas
type
Inlet
pressure
mbar - inch wc - PSI
min pressure (Qn-Hi)
max pressure (Qn-Hi)
mbar - inch wc - PSI
Consumption
kg - cfm - LBS
Consumption
m3/h
Specific density
kg/m3 - lb/cf
G20
20 - 8 - 0,3
17 - 7 - 0,25
25 - 10 - 0,36
1,0 - 0,80 - 2.2
1,37
0,718 - 0,044
G25
25 - 10 - 0,31
17 - 7 - 0,25
30 - 12 - 0,43
1,5 - 1,05 - 3.3
1,78
0,833 - 0,052
G30
37 - 15 - 0,54
25 - 10 - 0,36
55 - 22 - 0,80
1,2 - 0,25 - 2.6
0,44
2,701 - 0,168
G31
37 - 15 - 0,54
25 - 10 - 0,36
55 - 22 - 0,36
1,0 - 0,29 - 2.2
0,49
2,011 - 0,128
LPG
37 - 15 - 0,54
25 - 10 - 0,36
55 - 22 - 0,36
0,70 - 0,27 - 1,5
0,46
1,560 - 0,098
TIMING DIAGRAM GAS BURNER SAFETY CONTROL
Tpp = prepurge time
TS = safety time
PP = post purge
Gas
type
Orifice
mm - inch
Air inlet
mm - inch
Power
KW - BTU
G20
4,2 - 1/6
18,1 - 17/24
14.7 - 50.000
G25
4,5 - 11/64
18,1 - 17/24
14.7 - 50.000
G30
3,2 - 1/8
18,1 - 17/24
14.7 - 50.000
G31
3,2 - 1/8
18,1 - 17/24
14.7 - 50.000
LPG
3,2 - 1/8
18,1 - 17/24
14.7 - 50.000
Qn = power (inlet)
Hi = inferior caloric value
LPG should contain at
least 50% Propane!
