Buffalo DC331-N - Page 5

5
D. Gas Specification Table
Gas Type
Natural Gas
(G20)
Propane
(G31)
Butane
(G30)
Models
DC331-N
CF380-N
DC331-P
CF380-P
DC331-P
CF380-P
Single burner Heat
Input (KW)
7.15
7.15
7.15
No. of burners
2
2
2
Total Heat Input (KW)
14.3
14.3
14.3
Manifold Pressure
(mbar)
20
37
30
Supply Pressure
(mbar)
20
37
30
Gas Connection
¾” BSP
¾” BSP
¾” BSP
Main burner injector
Injector Mark
(Orifice Size in mm)
#47
(Ø1.99)
#54
(Ø1.4)
#54
(Ø1.4)
Pilot injector
Injector Mark
(Orifice Size in mm)
#45
(Ø0.45)
#25
(Ø0.25)
#25
(Ø0.25)
U-Burner
Air Shutter
Set-up
Default
Setting
Fully open
Fully open
Fully open
Adjustment
Adjust only if
necessary.
Adjust only if
necessary.
Adjust only if
necessary.
Burner Low
Flame
Bypass
Screw
Screw
Hole Size
Ø1.6mm
(Ex-Factory)
Ø 0.7mm
(Ex-Factory)
Ø 0.7mm
(Ex-Factory)
Default
Setting
Fully Closed
From fully closed position, turn or
open by 90° counter-clockwise.
Lock Screw
Air Shutter
Low flame bypass screw