Ventilation, Operation, Maintenance

Dayton Operating Instructions and Parts Manual

Model 3VG79B

Assembly (Continued)

4.Place handles on top of fuel tank ﬂange. Insert screws through handles, fuel tank ﬂange, and wheel support frame. Attach nut ﬁnger tight after inserting each screw.

5.After inserting all screws, tighten nuts ﬁrmly.

Ventilation

Follow the mini- mum fresh, outside

air ventilation requirements. If proper fresh, outside air ventilation is not provided, carbon monoxide poisoning can occur. Provide proper fresh, outside air ventilation before running heater.

FRESH AIR OPENING REQUIREMENTS

	Square Feet
Heater Size	Opening
200,000 Btu/Hr	6.0

Provide a fresh air opening at least three square feet for each 100,000 Btu/Hr rating. Provide extra fresh air if more heaters are being used.

Example: A 200,000 Btu/Hr heater requires one of the following:

•a two-car garage door (16 foot wide opening) raised five inches

•a single-car garage door (9 foot wide opening) raised eight inches

•two 30-inch windows raised fifteen inches

Operation

Review and understand the

warnings in the Safety Information Section. They are needed to safely operate this heater. Follow all local codes when using this heater.

TO START HEATER

1.Follow all ventilation and safety information.

2.Fill fuel tank with Kerosene or No. 1 fuel oil.

3.Attach fuel cap.

4.Turn thermostat knob clockwise to the HIGH position.

5.Plug power cord of heater into three- prong, grounded extension cord. Extension cord must be at least six feet long.

EXTENSION CORD WIRE SIZE

REQUIREMENTS

•6 to 10 feet long, use 18 AWG rated cord

•11 to 100 feet long, use 16 AWG rated cord

•101 to 200 feet long, use 14 AWG rated cord

6.Plug extension cord into standard 120 volt/60 hertz, three-hole, grounded outlet. Note: Ignitor will preheat for five seconds then heater will start.

7.Adjust thermostat knob to the desired setting.

NOTE: A cold heater may affect the ther- mostat setting. This thermostat is a general- heating control. It is not intended for pre- cise temperature control. Adjust thermostat until heater cycles at the desired setting.

TO STOP HEATER

Unplug extension cord from outlet.

TO RESTART HEATER

1.Unplug extension cord from outlet and wait 10 seconds (two minutes if heater has been running).

2.Turn thermostat knob clockwise to the HIGH position.

3.Plug extension cord into standard 120 volt/60 hertz, three-hole, grounded outlet. Note: Ignitor will preheat for five seconds then heater will start.

4.Adjust thermostat knob to the desired setting.

Maintenance

Never service heater while it is

plugged in, operating, or hot. Severe burns and electrical shock can occur.

UPPER SHELL REMOVAL

1.Remove screws along each side and top of heater using 5/16" nut-driver. These screws attach upper and lower shells together (See Figure 5).

2.Lift upper shell off.

3.Remove fan guard.

Upper

Shell Screw

Fan

Guard

Figure 5 - Upper Shell Removal

FAN

IMPORTANT: Remove fan from motor shaft before removing motor from heater. The weight of the motor resting on the fan could damage the fan pitch.

1.Remove upper shell (See Figure 5).

2.Use 1/8" Allen wrench to loosen setscrew which holds fan to motor shaft.

3.Slip fan off motor shaft.

4.Clean fan using soft cloth moistened with Kerosene or solvent.

Version B - For Reduction

G016.J