2.7 Connecting the Electrical Power Supply
Refer to your local, state, provincial or federal regulations for the proper
grounding and electrical power connection.
CAUTION: Do not connect power prior to water connection (see “2.5
Connecting the Water Supply” on page 2-4).
To connect electrical power to the Therma-Flow
®
Plus:
1. Switch off the main electrical power supply.
2. It is highly recommended you install a circuit breaker at the electrical
power source for the incoming supply.
3. Insert the electrical power supply wires into the junction box and connect
them to the positive, negative, and neutral (ground) wires. Refer to the
typical electrical schematics Figure 2-4 or 2-5 on pages 2-7 and 2-8 to
make the proper connections.
4. Secure the electrical power supply inlet wires at the junction box fitting.
5. Switch on the main electrical power supply and test the unit. For more
information, see section “3 Operation and Testing” on page 3-1.
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