Payne PG95 - Page 47

47
Maximum Allowable Exposed Vent Length in Unconditioned Space (Metric)
Winter
Design
Temp
°C
Unit Size
26,000* BTUH
0" Insulation 3/8" Insulation 1/2" Insulation
Pipe Dia.
mm
38 51 38 51 38 51
-7 6.1 6.1 15.2 13.7 18.3 15.2
-18 1.5 1.5 7.6 6.1 9.1 7.6
-29 4.6 3.0 6.1 4.6
-40 3.0 1.5 4.6 3.0
Winter
Design
Temp
°C
Unit Size 40,000* BTUH 60,000 BTUH
Uninsulated
3/8in. Insulation 1/2in. Insulation
Uninsulated 3/8in. Insulation 1/2in. Insulation
Pipe Dia.
mm
38 51 64 38 51 64 38 51 64 38 51 64 76 38 51 64 76 38 51 64 76
-7 6.1 6.1 6.1 6.1 15.2 13.7 6.1 18.3 15.2 6.1 9.1 9.1 7.6 6.1 22.9 19.8 18.3 6.1 25.9 22.9 19.8
-18 3.0 1.5 1.5 6.1 7.6 6.1 6.1 9.1 7.6 4.6 4.6 3.0 3.0 6.1 12.2 9.1 7.6 6.1 13.7 12.2 9.1
-29 1.5 6.1 4.6 3.0 6.1 6.1 4.6 3.0 1.5 6.1 7.6 6.1 4.6 6.1 9.1 7.6 6.1
-40 4.6 3.0 1.5 4.6 4.6 3.0 1.5 6.1 4.6 4.6 3.0 6.1 6.1 4.6 3.0
Winter
Design
Temp
°C
Unit Size 80,000 BTUH
Uninsulated 3/8in. Insulation 1/2in. Insulation
Pipe Dia.
mm
38 51 64 76 102 38 51 64 76 102 38 51 64 76 102
-7 4.6 12.2 12.2 10.7 9.1 4.6 15.2 27.4 22.9 19.8 4.6 15.2 21.3 21.3 21.3
-18 4.6 6.1 4.6 3.0 1.5 4.6 15.2 13.7 10.7 9.1 4.6 15.2 15.2 12.2 10.7
-29 4.6 3.0 1.5 4.6 10.7 9.1 6.1 4.6 4.6 12.2 9.1 7.6 4.6
-40 3.0 1.5 4.6 7.6 6.1 4.6 1.5 4.6 9.1 7.6 6.1 3.0
Winter
Design
Temp
°C
Unit Size 100,000 BTUH
Uninsulated 3/8in. Insulation 1/2in. Insulation
Pipe Dia.
mm
51 64 76 102 51 64 76 102 51 64 76 102
-7 6.1 15.2 12.2 10.7 6.1 24.4 28.9 24.4 6.1 24.4 32.0 27.4
-18 6.1 6.1 4.6 3.0 6.1 16.8 13.7 10.7 6.1 19.8 16.7 13.7
-29 4.6 3.0 1.5 6.1 10.7 9.1 6.1 6.1 13.7 10.7 7.6
-40 3.0 1.5 6.1 7.6 6.1 3.0 6.1 9.1 7.6 4.6
Winter
Design
Temp
°C
Unit Size 120,000 BTUH 140,000 BTUH
Uninsulated
3/8in. Insulation 1/2in. Insulation
Uninsulated 3/8in. Insulation 1/2in. Insulation
Pipe Dia.
mm
64 76 102 64 76 102 64 76 102 64 76 102 64 76 102 64 76 102
-7 3.0 15.2 12.2 3.0 22.9 28.9 3.0 22.9 32.0 1.5 16.7 15.2 1.5 19.8 32.0 1.5 19.8 38.1
-18 3.0 6.1 4.6 3.0 16.8 13.7 3.0 19.8 15.2 1.5 7.6 4.6 1.5 19.8 15.2 1.5 19.8 18.3
-29 3.0 3.0 3.0 10.7 7.6 3.0 13.7 9.1 1.5 3.0 1.5 1.5 13.7 9.1 1.5 15.2 12.2
40 3.0 1.5 3.0 7.6 4.6 3.0 9.1 6.1 1.5 1.5 1.5 9.1 6.1 1.5 35 7.6
PG95SAS