9
3 - COMPONENT LISTING
ITEM
NO.
Utica Boiler
MAHF 75 & 100
1
Coaxial Connector
2
Flue Sensor
3
Heat Exchanger
4
Burner (not shown)
5
Flame Detection Electrode
6
Air/Gas Blend Manifold
7
Fan
8
Venturi
9
Pump with Air Separator
10
Boiler Drain Tap
11
Heating Return
12
Gas Inlet
13
Optional Indirect Tank
Connection
14
Heating Supply Connection
15
Condensate Connection
16
Low Water Pressure Cutoff
17
3-Way Valve with Motor
18
Gas Valve
19
Over Temperature Thermostat
20
NTC Heating Sensor
21
Ignition Electrode
22
Pressure Relief Valve
23
Exhaust Test Port
24
Intake Test Port
9
2
4
1
3
6
5
7
8
10
13
23
24
20
19
21
11
12
14
15
16
17
18
22
240013503 REV A, [03/15/2022]
UTICA BOILER MAHF 75 & 100
Summary of Contents for UTICA BOILERS MACF-115
Page 2: ...MACF 150...
Page 4: ...MAHF 125...
Page 77: ...73 A 1 MODEL 75 100 Heat Only APPENDIX A WIRING DIAGRAMS 240013503 REV A 03 15 2022...
Page 78: ...74 A 2 MODEL 125 Heat Only APPENDIX A WIRING DIAGRAMS 240013503 REV A 03 15 2022...
Page 79: ...75 APPENDIX A WIRING DIAGRAMS A 3 MODEL 165 Heat Only 240013503 REV A 03 15 2022...
Page 80: ...76 APPENDIX A WIRING DIAGRAMS A 4 MODEL 115 Combi 240013503 REV A 03 15 2022...
Page 81: ...77 A 5 MODEL 150 Combi APPENDIX A WIRING DIAGRAMS 240013503 REV A 03 15 2022...
Page 82: ...78 A 6 MODEL 205 Combi APPENDIX A WIRING DIAGRAMS 240013503 REV A 03 15 2022...
Page 117: ...33 PN 240012875 REV D 03 15 2022 MODEL 75 100 HEAT ONLY 75 100 HEAT ONLY WIRING DIAGRAM...
Page 118: ...34 PN 240012875 REV D 03 15 2022 MODEL 125 HEAT ONLY 125 HEAT ONLY WIRING DIAGRAM...
Page 119: ...35 PN 240012875 REV D 03 15 2022 MODEL 165 HEAT ONLY 165 HEAT ONLY WIRING DIAGRAM...
Page 120: ...36 PN 240012875 REV D 03 15 2022 115 COMBI WIRING DIAGRAM MODEL 115 COMBI...
Page 121: ...37 PN 240012875 REV D 03 15 2022 MODEL 150 COMBI 150 COMBI WIRING DIAGRAM...
Page 122: ...38 PN 240012875 REV D 03 15 2022 MODEL 205 COMBI 205 COMBI WIRING DIAGRAM...
Page 128: ...44 PN 240012875 REV D 03 15 2022 LOW WATER CUTOFF LOW WATER CUTOFF DETAIL NO NO YES...
Page 133: ...49 PN 240012875 REV D 03 15 2022 3 FAULT SOLUTION SECTIONS...
