Groen CC20-E - Page 176

C/2-G
Orifice Size Charts
5A-2
ORIFICE SIZE CHART
FOR
NATURAL GAS
Installation Site
Altitude
(feet)
Oven
Part No.
Drill Size
Boiler
Part No.
Drill Size
Oven Runner Arm
Part No.
Drill Size
Zero or at Sea Level
1000
2000
3000
4000
5000
6000
7000
8000
9000
10,000
11,000
12,000
090776
090886
090839
090840
090841
090842
090843
090844
1.45 mm
#54
#54
#54
1.35 mm
1.35 mm
#55
1.30 mm
1.25 mm
1.25 mm
1.20 mm
#56
085167
090853
090854
090855
090856
090857
090858
090859
1.50mm
1.45 mm
1.45 mm
1.45 mm
#54
#54
1.35 mm
#55
1.30 mm
1.30 mm
1.25 mm
1.20 mm
090764
090869
090870
090871
090872
090873
090874
090875
#55
1.30 mm
1.30 mm
1.25 mm
1.25 mm
1.25 mm
1.20 mm
#56
1.15 mm
1.15 mm
1.10 mm
#58
ORIFICE SIZE CHART
FOR
PROPANE GAS
Installation Site
Altitude
(feet)
Oven
Part No.
Drill Size
Boiler
Part No.
Drill Size
Oven Runner Arm
Part No.
Drill Size
Zero or at Sea Level
1000
2000
3000
4000
5000
6000
7000
8000
9000
10,000
11,000
12,000
098671
098677
098678
098679
098676
098680
098681
098682
098683
#64
#65
#65
0.85 mm
0.85 mm
#66
#66
#67
0.80 mm
#68
0.75 mm
#69
085169
090860
090861
090862
090863
090864
090865
090866
090867
090868
#63
#64
0.90 mm
#65
#65
0.85 mm
0.85 mm
#66
#67
0.80 mm
#68
0.75 mm
090765
090876
090877
090878
090879
090880
090881
085159
#67
0.80 mm
#68
#68
#68
0.75 mm
#69
#69
#70
0.70 mm
0.70 mm
#71
(Revised 1/02)