40
WARNING
Electrical shock hazard. Turn OFF electrical
power supply at service panel before making
electrical connections. Failure to do so could
result in death or serious injury.
!
Note
Wiring diagrams can be found in Appendix
A of this Manual.
8.3 Electrical Connections
• Boiler requires 120V 60Hz power supply. Verify
electrical supply is polarized.
• Boiler shall be grounded and on dedicated circuit.
• Shall be one common isolator, providing electrical
isolation for boiler and any external controls. Using
PVC insulated cable 18 AWGx3C 221°F (105°C).
• All wiring must be installed in accordance with
requirements of the National Electrical Code and any
additional national, state, or local code requirements
having jurisdiction. All wiring must be N.E.C. Class 1.
• Canada, installation must conform to CSA C22.1
Canadian Electrical Code Part 1 and any local codes.
• If replacing original boiler wiring use only TEW 105°C
or equivalent.
•
If appliance is connected to in floor system, install
limit thermostat to prevent latter from overheating.
DANGER
Electrocution Hazard! HIGH VOLTAGE -
Connections in terminal block M1 are high
voltage (120V / 60Hz). Before making
connections, verify appliance is disconnected
from power supply. Respect the input polarity
on terminal block M1: L (LINE) - N (NEUTRAL).
Failure to follow these instructions WILL result in
death or serious injury.
!
8 - ELECTRICAL CONNECTIONS
FIGURE 8-1 Junction Box Left side of Boiler
Junction Box
with Knockouts
and grommets
8.2 Install Room Thermostat
Install room thermostat on inside wall. Do not install
where it will be influenced by drafts, hot or cold water
pipes, lighting fixtures, television, sun rays or near a
fireplace.
8.1 General
Electrically bond boiler to ground in accordance with
requirements of authority having jurisdiction. Refer to:
• USA- National Electrical Code, ANSI/NFPA 70.
• Install all wiring in accordance with requirements of
National Electrical Code and any additional national,
state, or local code requirements having jurisdiction.
• All wiring shall be N.E.C. Class 1.
• Boiler shall be electrically grounded in accordance
with the National Electrical Code, ANSI/NFPA No.
70-latest edition.
• Boiler requires a 120V 60Hz power supply. Ensure
electrical supply is polarized.
• There shall only be one common isolator, providing
complete electrical isolation, for boiler and any
external controls. Using PVC insulated cable 12
AWGx3C 221°F (105 ºC).
Model
Size
100
115
125
150
165
205
Power Supply
120V - 60Hz
Power
Consumption 118 W 125 W 133 W 142 W
173 W
182 W
Internal Fuse
(Qty. 2)
F3.15 A
Electrode
Spark Gap
1/8" to 3/16" [3.1 mm to 4.7 mm]
240013371 REV B, [10/01/2021]
Summary of Contents for MACF-115
Page 2: ...MACF 150 ...
Page 4: ...MAHF 125 ...
Page 74: ...70 A 1 MODEL 100 Heat Only APPENDIX A WIRING DIAGRAMS 240013371 REV B 10 01 2021 ...
Page 75: ...71 A 2 MODEL 125 Heat Only APPENDIX A WIRING DIAGRAMS 240013371 REV B 10 01 2021 ...
Page 76: ...72 APPENDIX A WIRING DIAGRAMS A 3 MODEL 165 Heat Only 240013371 REV B 10 01 2021 ...
Page 77: ...73 APPENDIX A WIRING DIAGRAMS A 4 MODEL 115 Combi 240013371 REV B 10 01 2021 ...
Page 78: ...74 A 5 MODEL 150 Combi APPENDIX A WIRING DIAGRAMS 240013371 REV B 10 01 2021 ...
Page 79: ...75 A 6 MODEL 205 Combi APPENDIX A WIRING DIAGRAMS 240013371 REV B 10 01 2021 ...
Page 80: ...76 NOTES 240013371 REV B 10 01 2021 ...
Page 81: ...77 NOTES 240013371 REV B 10 01 2021 ...
Page 82: ...78 NOTES 240013371 REV B 10 01 2021 ...
Page 117: ...33 MODEL 100 Heat Only 100 HEAT ONLY WIRING DIAGRAM PN 240012875 REV C 10 01 2021 ...
Page 118: ...34 MODEL 125 Heat Only 125 HEAT ONLY WIRING DIAGRAM PN 240012875 REV C 10 01 2021 ...
Page 119: ...35 MODEL 165 Heat Only 165 HEAT ONLY WIRING DIAGRAM PN 240012875 REV C 10 01 2021 ...
Page 120: ...36 115 COMBI WIRING DIAGRAM MODEL 115 Comb PN 240012875 REV C 10 01 2021 ...
Page 121: ...37 MODEL 150 Combi 150 COMBI WIRING DIAGRAM PN 240012875 REV C 10 01 2021 ...
Page 122: ...38 MODEL 205 Combi 205 COMBI WIRING DIAGRAM PN 240012875 REV C 10 01 2021 ...
Page 127: ...43 LOW WATER CUTOFF DETAIL LOW WATER CUTOFF NO NO YES PN 240012875 REV C 10 01 2021 ...
Page 132: ...48 3 FAULT SOLUTION SECTIONS PN 240012875 REV C 10 01 2021 ...