6
Note
Provided Wiring and Piping illustrations
are meant to show system concepts only.
Installer is responsible for all equipment
required by authority having jurisdiction.
Note
Arrange piping to prevent water dripping
onto boiler.
All piping diagrams are shown with optional DHW Indirect
Tank where applicable.
Use of Indirect Storage Tank (DHW):
Note
Sensors supplied with this boiler are
proprietary to the manufacturer. Use of
alternate sensors
WILL
diminish boiler
performance.
☐
Use either DHW sensor or Indirect Tank Thermostat
to interface with boiler. Wire to M2 terminals #9 and
#10.
☐
Use of booster pump to increase flow rate to indirect
tank is not recommended by manufacturer.
☐
Locate tank as close to boiler as possible.
☐
Size DHW tank, piping, and system to use only internal
boiler pump.
☐
See available pump/flow rate chart, page 35 of this
manual.
☐
Change P03 on boiler for application as specified on the
wire diagram and Boiler Control section of Installation,
Operation & Maintenance Manual supplied with the
boiler.
GENERAL INFORMATION - HYDRONIC PIPING
Water
Temperature
Setting
1st Degree Burn
Exposure Time For
An Adult
2nd and 3rd Degree Burn
Exposure Time For An
Adult
120° F
1 minute
5 minutes
130° F
5 seconds
30 seconds
140° F
2 seconds
5 seconds
150° F
1 second
1.5 seconds
160° F
Instantaneous
0.5 seconds
Note:
Warning for Infants, Children, and Elderly:
Great care must be taken when exposing the
aforementioned groups to warm or hot water as they
can be badly burned in exposure times less than half
of the time for an adult.
PN 240012875 REV. A [01/31/2020]
Summary of Contents for Dunkirk DCBF-125
Page 63: ...61 A 1 MODELS 125 Heat Only APPENDIX A WIRING DIAGRAMS 240012879 REV A 01 31 2020...
Page 64: ...62 APPENDIX A WIRING DIAGRAMS A 2 MODELS 165 Heat Only 240012879 REV A 01 31 2020...
Page 65: ...63 A 2 MODELS 150 Combi APPENDIX A WIRING DIAGRAMS 240012879 REV A 01 31 2020...
Page 66: ...64 A 4 MODELS 205 Combi APPENDIX A WIRING DIAGRAMS 240012879 REV A 01 31 2020...
Page 67: ...65 NOTES 240012879 REV A 01 31 2020...
Page 68: ...66 NOTES 240012879 REV A 01 31 2020...
Page 99: ...29 MODEL 150F Combi 150F FLOOR STANDING COMBI WIRING DIAGRAM PN 240012875 REV A 01 31 2020...
Page 101: ...31 205F FLOOR STANDING COMBI WIRING DIAGRAM MODEL 205F Combi PN 240012875 REV A 01 31 2020...
Page 106: ...36 Low Water Cutoff Detail LOW WATER CUTOFF NO NO YES PN 240012875 REV A 01 31 2020...
Page 114: ...44 NOTES PN 240012875 REV A 01 31 2020...
