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| Installation
Chapter 4
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4-15
304243H02
120 VAC Operation
The TF55030 A-1 & TF55035 A-1 model operates on 120 VAC, 50/60 Hz, single phase.
Each furnace includes a 120 VAC grounded plug and cord set. The units are completely
prewired and ready for operation.
Before initial start up, inspect the furnace's wiring connections:
1. Remove the corner screws on the back panel of the furnace and detach the back
panel.
2. Check that the thermocouple is securely mounted and undamaged.
3. Check the thermocouple wiring connections. Refer to Figure 2 "Thermocouple". Red
is always negative.
CAUTION : Failure to check thermocouple wiring connections before initial start up
could result in damage to the furnace.
4. Check that all electrical connections are secure.
Figure 2 Thermocouple
5. Replace the back panel on the furnace and secure with the corner screws.
6. Plug the line cord into a 120 VAC, 15 amp, grounded line. The furnace draws
approximately 6.7 amps at 120 VAC.
WARNING : Electric Shock Hazard present, appropriate Electrical PPE Required.
NOTE Only an authorized or a qualified person shall place the process tube in the
device while in operation. Do not place your hand inside the unit while placing the
process tubes. If misused, the person may come in contact with live electrical parts
and touching the live parts can result in an electrical shock, burn, or electrocution. It is
always recommended to have appropriate electrical PPE while operating the device;
insulated TOOLS; insulating clothing; OPERATOR standing on an insulating surface
etc.
Mini-mite Tube Furnace
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