Physical Data - Dunkirk DCBF-125 Installation, Operation & Maintenance Manual

Dimensions
SYSTEM
Central Heating (Sealed System)
Heat Exchanger Max Allowable Working Pressure
Max System Pressure
Min System Pressure
Max System temperature
Pressure Relief Valve Setting
Expansion Tank Minimum Size
Recommended System Pressure (cold)
When boiler is operating at maximum operating temperature, providing heating with all heat emitters operating, pressure gauge
should not indicate more than 26.11 psi / 1.80 bar. If reading exceeds this figure larger expansion tank is required.
DIMENSIONS
Height (Bottom of boiler top of safety Valve)
Overall Width with Manifold
Depth
Condensate Trap Connection
System Supply
DHW Outlet (125 Optional)
Gas Connection
DHW (Cold Water) Inlet
System Return
Boiler Filling Connection
Primary Water Content
(pre-charge
Domestic Hot Water (Sealed System)
Max Inlet Water Pressure
Min Inlet Water Pressure
Min DHW Flow Rate
Max DHW Temperature
DHW Water Content

PHYSICAL DATA

11/4" Sweat Connection
(125)
3/4" Sweat
Connection
(125)
11/4" Sweat Connection
press.)
2.9 psi [ 0.2 bar]
0.55 gpm [2.50 L/min]
4
125 & 150
43.65" [1.09 m]
24.70" [628 mm]
17.46" [444 mm]
3/4" NPT
(150)
1/2" Sweat
Connection
3/4" NPT
(150)
1/2" Sweat
NA
Connection
External to Boiler
1 gal [3.60 L]
125 / 150
50 psi [3.45 bar]
30.00 psi [2.11 bar]
7.25 psi [ 0.50 bar]
176°F [80°C]
30.00 psi [2.11 bar]
2.2 gal at 11.6 psi
[10.0 L at 0.8 bar]
21.7 psi [1.5 bar]
150
116 psi [8 bar]
140°F [60°C]
0.05 gal [0.23 L]
240012564 REV A, [05/15/2019]