Thermo Scientific BF51634BC-1, Installation And Operation Manual

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Installation
Power Wiring
4-2 Thermo Scientific
Install a main line disconnect switch or circuit breaker on the main power line.
Always conform to local electrical codes when installing disconnects, grounding
the furnace, and sizing power lines
.
Connecting Power to the Furnace
Figure 2. Furnace Rear Access
1. Remove the screws fastening the lower rear access panel to the furnace back.
Save the screws for later use.
2. Label two lines L1 and L2 and label the ground wire Ground.
3. Thread the Ground, L1 and L2 wires through the power wire access ports in
the panel before making any connections. -
4. Use a screwdriver to connect the two lead wires from the power source to
Terminal Block 1TB:
Make sure that the power is off when making These and any other
connections.