32
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
•
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
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
•
thermostat to prevent latter from overheating.
Model Size 125 150
Power Supply 120V - 60Hz
Power Consumption
133 W 142 W
Internal Fuse (Qty. 2) F3.15 A
Electrode Spark Gap
1/8" to 3/16"
[3.1 mm to 4.7
mm]
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 8-2 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
8.1 General
Electrically bond boiler to ground in accordance with
• USA- National Electrical Code, ANSI/NFPA 70.
•
National Electrical Code and any additional national, state,
240012564 REV A, [05/15/2019]
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