33
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.
• Canada - Canadian Electrical Code, Part I, CSA C22.1:
Safety Standard for Electrical Installations.
• Install all wiring in accordance with requirements of
National Electrical Code and any additional national,
state, or local code requirements having jurisdiction.
In Canada, installation must conform to CSA C22.1
Canadian Electrical Code Part 1 and any local codes.
• 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).
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, sunrays or near a fireplace.
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.
!
FIGURE 8-1 Electric Knockouts Bottom Of Boiler -
Illustration shown (size 205), illustration is for location
purposes, wiring knockouts found same general location on all
sizes.
8 - ELECTRICAL CONNECTIONS
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.
Model Size
125
150
165
205
Power Supply
120V - 60Hz
Power Consumption
133 W 142 W 173 W
182 W
Internal Fuse (Qty. 2)
F3.15 A
Electrode Spark Gap
1/8" to 3/16" [3.1mm to 4.7mm]
Electric
Knockouts
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.
!
240011941 REV B, [03/31/2018]
Summary of Contents for MAC-150
Page 2: ...MAC 205 ...
Page 4: ...MAH 165 ...
Page 65: ...61 APPENDIX A WIRING DIAGRAMS A 1 MODELS 125 Heat Only 240011941 REV B 03 31 2018 ...
Page 66: ...62 APPENDIX A WIRING DIAGRAMS A 2 MODELS 165 Heat Only 240011941 REV B 03 31 2018 ...
Page 67: ...63 APPENDIX A WIRING DIAGRAMS A 3 MODELS 150 Combi 240011941 REV B 03 31 2018 ...
Page 68: ...64 APPENDIX A WIRING DIAGRAMS A 4 MODELS 205 Combi 240011941 REV B 03 31 2018 ...
Page 69: ...65 NOTES 240011941 REV B 03 31 2018 ...
Page 70: ...66 NOTES 240011941 REV B 03 31 2018 ...
Page 81: ...9 125 WITH ZONE CIRCULATOR PUMPS 125 with Zone Circulator Pumps PN 240011430 REV G 03 31 18 ...
Page 84: ...12 125 WITH ZONE VALVES PIPING DIAGRAM 125 with Zone Valves PN 240011430 REV G 03 31 18 ...
Page 90: ...18 165 with Zone Valves 165 WITH ZONE VALVES PIPING DIAGRAM PN 240011430 REV G 03 31 18 ...
Page 94: ...22 150 205 WITH ZONE PUMPS WIRING DIAGRAM 150 205 With Zone Pumps PN 240011430 REV G 03 31 18 ...
Page 102: ...30 MODEL 125 Heat Only 125 HEAT ONLY WIRING DIAGRAM PN 240011430 REV G 03 31 18 ...
Page 103: ...31 MODEL 165 Heat Only 165 HEAT ONLY WIRING DIAGRAM PN 240011430 REV G 03 31 18 ...
Page 104: ...32 MODEL 150 Combi 150 COMBI WIRING DIAGRAM PN 240011430 REV G 03 31 18 ...
Page 105: ...33 MODEL 205 Combi 205 COMBI WIRING DIAGRAM PN 240011430 REV G 03 31 18 ...
Page 110: ...38 Low Water Cutoff Detail LOW WATER CUTOFF NO NO YES PN 240011430 REV G 03 31 18 ...
Page 111: ...39 NOTES PN 240011430 REV G 03 31 18 ...
Page 112: ......
Page 115: ......
