All installations and services must be performed by qualified service personnel.
38
This furnace is designed
not
to require any burner adjustment. Burner aeration is fixed in this design.
Burner flames can be seen by looking through the sight glass located on the burner box. Burner
flames should be well-defined, light to medium blue in color, and almost transparent. (refer to Figure
24).
Figure 24: Sketch of Typical Main Burner Flames During Operation
NOTICE:
When operating on propane gas, it is not unusual for flames to have yellow or orange
colored tips.
If combustion problems are evident, it may indicate problems with either the furnace air supply or the
vent system. Refer to the installation and maintenance sections of this manual, or contact Thermo
Products at (574) 896-2133.
Checkout Procedure
1. Confirm the furnace exhaust vent and combustion air intake are constructed as outlined in the
installation and service manual. They must not be blocked or otherwise obstructed.
2. Place system in operation and observe at least one (1) complete cycle to ensure all controls are
operating properly.
The main burner must light reliably under all conditions.
3. Perform gas leakage test on all gas pipe connections and pressure tap plugs.
Summary of Contents for CDX1-100N
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