Desa EFS33PRB - Manual (Page 22)

www.desatech.com 113132-01B 22
6. In case any large clumps of dust have now
been pushed into the burner repeat steps 3 and
4, page 21.
Clean the pilot assembly also. A yellow tip on the
pilot flame indicates dust and dirt in the pilot as-
sembly. There is a small pilot air inlet hole about
two inches from where the pilot flame comes out
of the pilot assembly (see Figure 39). With the unit
off, lightly blow air through the air inlet hole. You
may blow through a drinking straw if compressed
air is not available.
LOGS
• If you remove logs for cleaning, refer to Install-
ing Logs, page 16, to properly replace logs.
• Replace log(s) if broken or chipped (dime-sized
or larger).
Figure 39 - Pilot Inlet Air Hole
Burner
Tube
Pilot
Assembly
Pilot Air
Inlet Hole
Ports/
Slots
CLEANING AND
MAINTENANCE
Continued
AUTO
OFF
ON
Thermopile
WIRING DIAGRAM
Note: For proper operation of optional accessories,
the wires from the switch to the control must be
connected exactly as shown.
SPECIFICATIONS
Models EFS33NRB and VSGF33NRB
Btu (Variable)
20,000/33,000
Type Gas Natural Gas Only
Ignition Piezo
Pressure Manifold 3.5" W.C.
Inlet Gas Pressure (in. of water)
Maximum
10.5"
Minimum* 5"
Shipping Weight 122 lbs.
* For input adjustment
Models EFS33PRB and VSGF33PRB
Btu (Variable)
20,000/33,000
Type Gas Propane/LP Only
Ignition Piezo
Pressure Manifold 7.9" W.C.
Inlet Gas Pressure (in. of water)
Maximum
13"
Minimum* 11"
Shipping Weight 122 lbs.
* For input adjustment