R
CB 1200 Pellet Stove
C. High Ash Fuel Content Maintenance
•Frequency: As needed
•By: Homeowner
•Task:
Poor quality pellet fuel, or lack of maintenance, can create conditions that make the firepot fill quickly with ashes and clinkers. This condition makes the appliance susceptible to overfilling the firepot with pellets which may result in smok- ing, sooting and possible hopper fires. Figure 31.1 shows an example where the firepot overfills, pellets back up into the feed tube and ash has accumulated in the firebox. Figure
31.2illustrates an inefficient and
If the ash buildup exceeds the half way point in the firepot
IMMEDIATE ATTENTION AND CLEANING IS REQUIRED.
Follow the detailed instructions found in this section for each step listed below.
•Shut down the unit by turning down the thermostat and allow unit to completely cool down. (Do not unplug the unit, it can cause smoke spillage in the room).
•Pull the heat exchanger cleaning rods. Section 10.7
•Empty the firepot. Section 10.2
•Clean the firebox. Section 10.4
•Empty the ash drawer. Section 10.3
•Dispose of the ashes. Section 10.6
•Restart the appliance with premium grade fuel.
D.Blower Replacement
1.Convection Blower Replacement
a.Use proper shut down procedures to shut down the appliance and let it completely cool.
b.The convection blower is located at the bottom rear of the appliance. If an outside air kit is also installed, depending on your particular installation you may or may not have to remove the outside air flange. If you do, remove the 2 screws using a Phillips head screw- driver. You do not need to remove the flex pipe from the flange.
c.Remove the lower rear screen by removing the 4 screws securing the screen to the unit.
d.The motor is mounted on a removable bracket. Remove the 2 screws just above the motor and the whole assembly will tilt down and pull out.
e.Disconnect the wires from the blower. The wires coming from the wiring harness are white, red and tan and the wires coming from the blower are black, white and red. The white connects to white, the red to red and black to the tan color wire.
Firepot Overfills | Pellets Back Up | |
In Feed Tube | ||
| ||
Ash Build Up in Firebox |
| |
Figure 31.1 |
| |
Incorrect |
|
Tall, Lazy Flame, Orange in Color
Figure 31.2
Correct
Correct Flame Size, Yellow/White in Color
Figure 31.3
Remove 2 | Screws | |
|
| |
|
| Outside Air |
|
| Flex Hose |
Remove 4 | Screws |
|
| Convection Blower | |
|
| |
Figure 31.4
September 21, 2006 | Page 31 |
