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4. Plug power cord of heater into a three-prong, grounded extension cord. Extension cord must
be at least six feet long. Extension cord must be UL listed.
Extension Cord Size Requirement
Up to 50 feet (15 m) long, use 18 AWG rated cord.
51 to 100 feet (30 m) long, use 16 AWG rated cord.
101 to 200 (61 m) feet long, use 14 AWG rated cord.
5. Plug extension cord into a 120 volt/60 hertz, three-hole, grounded outlet. The motor will
start, turning the fan forcing air through the heater.
6. To light:
Model 5070A
Push in and hold automatic valve button. Push ignitor (Red) button. You may need to push
the ignitor button 3 – 8 times until heater lights. Note: Hose may be filled with air. If so,
keep automatic valve button pressed and wait 20 seconds before pressing ignitor again.
When heater lights, keep automatic valve button pushed in. Release button after
30 seconds.
Model 5075A
Push in & hold automatic valve button. NOTE: Hose may be filled with air. If so, continue
to keep automatic valve button pressed. When heater lights, keep automatic valve button
pushed in. Release button after 30 seconds.
8
Continued
OPERATION
Continued
5070A751 Model Shown
7. If heater goes out, repeat step 6.
8. Adjust burner valve to desired heat level. (5075A751 Model only)