4
LEGEND
100/125
165
A
Pressure Gauge
-
B
Pressure Relief Valve
30.00 psi [2.11 bar]
C
Heating return connection
3/4" [22.2mm] 1” [25.4mm]
E
Gas shutoff connection
3/4" [22.2mm]
H
Drain connection for condensate
13/16” [21mm] ID
Hose
3/4 NPT
I
Heating supply connection
3/4" [22.2mm] 1” [25.4mm]
J
Optional Indirect DHW connection
3/4” [22.2mm]
na
MANIFOLD
100/125/115/150
LABOR SAVING PIPING MANIFOLDS / NEAR BOILER PIPING CONNECTIONS
100 & 125 HEATING ONLY
WITHOUT
OPTIONAL INDIRECT
DHW CONNECTION
165 HEATING ONLY
MANIFOLD
165
A
C
E
I
B
H
100 & 125 HEATING ONLY
WITH
OPTIONAL INDIRECT DHW
CONNECTION
1-1/2”
Header
1-1/2”
Header
PN 240011430 REV. O [07/01/2021]
Summary of Contents for Utica Boilers MAC-115
Page 2: ...MAC 205...
Page 4: ...MAH 165...
Page 77: ...73 APPENDIX A WIRING DIAGRAMS A 2 MODEL 125 Heat Only 240013354 REV A 07 01 2021...
Page 78: ...74 APPENDIX A WIRING DIAGRAMS A 3 MODEL 165 Heat Only 240013354 REV A 07 01 2021...
Page 79: ...75 APPENDIX A WIRING DIAGRAMS A 1 MODEL 115 Combi 240013354 REV A 07 01 2021...
Page 80: ...76 APPENDIX A WIRING DIAGRAMS A 4 MODEL 150 Combi 240013354 REV A 07 01 2021...
Page 81: ...77 APPENDIX A WIRING DIAGRAMS A 5 MODEL 205 Combi 240013354 REV A 07 01 2021...
Page 117: ...34 MODEL 125 Heat Only 125 HEAT ONLY WIRING DIAGRAM PN 240011430 REV O 07 01 2021...
Page 118: ...35 MODEL 165 Heat Only 165 HEAT ONLY WIRING DIAGRAM PN 240011430 REV O 07 01 2021...
Page 119: ...36 115 COMBI WIRING DIAGRAM MODEL 115 Combi PN 240011430 REV O 07 01 2021...
Page 120: ...37 MODEL 150 Combi 150 COMBI WIRING DIAGRAM PN 240011430 REV O 07 01 2021...
Page 121: ...38 MODEL 205 Combi 205 COMBI WIRING DIAGRAM PN 240011430 REV O 07 01 2021...
Page 126: ...43 Low Water Cutoff Detail LOW WATER CUTOFF NO NO YES PN 240011430 REV O 07 01 2021...
Page 131: ...48 3 FAULT SOLUTION SECTIONS PN 240011430 REV O 07 01 2021...