4
Dimensions
PHYSICAL DATA
Central Heating (Sealed System)
75/100 / 115 / 125 / 150
/
165 / 205
Heat Exchanger Max Allowable Working Pressure
50 psi [3.45 bar]
Max System Pressure
43
psi
[2.96 bar]
Min System Pressure
7.25
psi [ 0.50 bar]
Max System temperature
176°F
[80°C]
Pressure Relief Valve Setting
30
psi [2.11 bar]
Expansion Tank Minimum Size
(pre-charge
press.)
(75/
100
/115)
1.5
gal at 11.6 psi
[5.7
L at
0.8 bar]
(125/150/165/205)
2.2
gal at 11.6 psi [8.3
L at
0.8 bar]
Recommended System Pressure (cold)
12 psi [.083 bar]
Domestic Hot Water
115
150
205
Max Inlet Water Pressure
116 psi [8 bar]
Min Inlet Water Pressure
2.9 psi [ 0.2 bar]
Min DHW Flow Rate to Activate
0.65 gpm [2.10 L/min]
Max DHW Temperature
140°F [60°C]
DHW Water Content (Domestic Hot Water Flat Plate Content)
0.035 gal [0.13 L]
0.053 gal [0.23L]
0.10 gal [0.37 L]
SYSTEM
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
75/100 / 125
115 / 150
165 / 205
Height
30" [763 mm]
Width
17
3/4
" [450 mm]
Depth
13
9/16
" [345 mm]
21
1/2"
[546 mm]
Condensate Trap Connection
13/16"
[21 mm]
ID Hose
3/4" [19.1 mm]
NPT
System Supply
3/4” [19.1 mm]
1” [25.4 mm]
DHW Outlet
(75, 100 & 125 optional)
3/4” [19.1 mm]
Copper Sweat
1/2” [12.7 mm]
Copper Sweat
165-NA
205 - 3/4” [19.1 mm]
Gas Connection
3/4” [19.1 mm]
DHW (Cold Water) Inlet
N/A
1/2” [12.7mm]
Copper Sweat
165 - N/A
205 - 3/4” [19.1 mm]
Boiler Return
3/4” [19.1 mm] Copper Sweat
1” [25.4 mm]
Boiler Filling Connection
External to Boiler
Primary Water Content
0.95 gal [3.60L]
1 gal [3.80 L]
1
1/4
gal [4.73 L]
B
B
I
H
G
F
E
C
A
240013501 REV A [03/15/2022]
A
C
D
Summary of Contents for Dunkirk DCB-100
Page 2: ...DCC 205...
Page 4: ...DCB 165...
Page 79: ...75 A 2 MODEL 75 100 Heat Only APPENDIX A WIRING DIAGRAMS 240013501 REV A 03 15 2022...
Page 80: ...76 APPENDIX A WIRING DIAGRAMS A 2 MODEL 125 Heat Only 240013501 REV A 03 15 2022...
Page 81: ...77 APPENDIX A WIRING DIAGRAMS A 3 MODEL 165 Heat Only 240013501 REV A 03 15 2022...
Page 82: ...78 APPENDIX A WIRING DIAGRAMS A 1 MODEL 115 Combi 240013501 REV A 03 15 2022...
Page 83: ...79 APPENDIX A WIRING DIAGRAMS A 4 MODEL 150 Combi 240013501 REV A 03 15 2022...
Page 84: ...80 APPENDIX A WIRING DIAGRAMS A 5 MODEL 205 Combi 240013501 REV A 03 15 2022...
Page 85: ...81 NOTES 240013501 REV A 03 15 2022...
Page 86: ...82 NOTES 240013501 REV A 03 15 2022...
Page 121: ...33 PN 240011430 REV Q 03 15 2022 75 100 HEAT ONLY WIRING DIAGRAM MODEL 75 100 HEAT ONLY...
Page 122: ...34 PN 240011430 REV Q 03 15 2022 MODEL 125 HEAT ONLY 125 HEAT ONLY WIRING DIAGRAM...
Page 123: ...35 PN 240011430 REV Q 03 15 2022 MODEL 165 HEAT ONLY 165 HEAT ONLY WIRING DIAGRAM...
Page 124: ...36 PN 240011430 REV Q 03 15 2022 115 COMBI WIRING DIAGRAM MODEL 115 COMBI...
Page 125: ...37 PN 240011430 REV Q 03 15 2022 MODEL 150 COMBI 150 COMBI WIRING DIAGRAM...
Page 126: ...38 PN 240011430 REV Q 03 15 2022 MODEL 205 COMBI 205 COMBI WIRING DIAGRAM...
Page 132: ...44 PN 240011430 REV Q 03 15 2022 LOW WATER CUTOFF DETAIL LOW WATER CUTOFF NO NO YES...
Page 137: ...49 PN 240011430 REV Q 03 15 2022 3 FAULT SOLUTION SECTIONS...
