6
MAINTENANCE SERVICE PROCEDURE
MAINTENANCE
WARNING: Never service heater while it is plugged in, connected to propane supply, operating, or hot. Severe burns and electrical shock can occur.
1.Keep heater clean. Clean heater annually or as needed to re- move dust and debris. If heater is dirty or dusty, clean heater with a damp cloth.
2.Inspect heater before each use. Check connections for leaks. Apply mixture of liquid soap and water to connections. Bubbles forming show a leak. Correct all leaks at once.
3.Inspect hose/regulator assembly before each use. If hose is highly worn or cut, replace.
4.Have heater inspected yearly by a qualified service agency.
5.Keep inside of heater free from combustible and foreign objects.
SERVICE PROCEDURE
WARNING: Never service heater while it is plugged in, connected to propane supply, operating, or hot. Severe burns and electrical shock can occur.
CLEANING FAN
Clean fan every 500 hours of operation or as needed.
1.Remove screws on side cover using 5/16"
2.Remove side cover.
3.Detach the five motor wires from parts under heater shell. Be sure to detach only wires coming from motor.
The five motor wires are:
•white
•black
•blue
•orange
•green
4.Remove fan guard from rear of heater.
5.Reach into rear of heater shell. Carefully pull motor wires through hole in bottom of shell. Note: Pull wires through hole one at a time.
6.Remove nuts and mounting bolts holding motor mount to shell. Use 3/8"
7.Carefully pull motor and fan out of shell. IMPORTANT: Be careful not to damage fan. Do not set motor and fan down with the weight resting on fan. This could damage fan pitch.
8.Turn motor and fan around. Place motor and fan into shell backwards. Note: Motor will go into shell first (see Figure 8).
9.Line up rear mounting holes in shell with first hole on each side of motor mount (see Figure 8). Note: When holes are lined up, fan should be outside of shell.
Thermal | Grounding Screw |
Switch Wire |
|
Terminal
Board
Solenoid
Valve
Figure 6 - Location of Motor Wires
Motor Mount
Mounting
Bolts
Motor Wires
Figure 7 - Location of Fan and Motor
Rear
Mounting
Hole
First
Hole
Figure 8 - Fan and Motor Turned Around
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