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Chapter 2 - Principles of Operation
ELXC Series
ELXC Series
Turning On the Exhaust Fan
Caution: Always turn on the exhaust fan before turning on the cooking equipment.
Caution: The chemical fire extinguishing system may discharge if the exhaust fan is not on while the cook-
ing equipment is on or still hot.
Caution: Never operate your Ventilator without the XGS Extractors in place or the Extractor Access Doors
open (Refer to Figure 2-2-2).
Operation of the exhaust fan is controlled by the Gaylord Command Center, which is mounted in the Wash
Control Cabinet (refer to Figure 2-2-1). To start the exhaust fan push "START FAN" on the Command Center.
The Command Center control may be programmed to automatically start at a specific time. Refer to the
Operation and Maintenance Manual for the Gaylord Command Center for complete operating instructions.
Note 1: The ELXC Series Ventilator may be equipped with a Gaylord Electric Balancing Damper, designat-
ed "GEBD" in the Ventilator model number, or a Gaylord combination Fire/Balancing Damper, designated
"GFBD" in the model number. The Ventilator model number can be found on the Ventilator Nameplate (Refer
to page 2-19 for information on Balancing Dampers and page 5-11 for a sample of the Nameplate). If the
Ventilator includes one of these dampers, when the fan is started the damper moves from the closed to open
position, and it will take approximately 45 seconds for the exhaust to come up to 100%.
Note 2: Typically ELXC Series Ventilators installed in the United States are equipped with a Gaylord Auto-
start Controller that automatically turns on the exhaust fan if the temperature at the sensors mounted in
the canopy exceeds 90°F. (Refer to Figure 2-2-2). In some instances Ventilators installed outside the United
States will include an Autostart Control. Inclusion of an Autostart Control is designated by the suffix "AS" or
"DCA" in the model number. The Ventilator model number can be found on the Ventilator Nameplate (refer
page 5-11 for a sample of the Nameplate). Refer to the Operation and Maintenance Manual for the Gaylord
Command Center for complete information on the Autostart Control.
Grease Extraction
Grease is extracted by the use of Gaylord Model XGS Extractors located behind the Extractor Access Doors
(Refer to Figure 2-2-2). The hot contaminate-laden air rising from the cooking surface enters the inlet slot,
turns and is drawn through the Extractors where a high percentage of the grease and other particulate are
extracted from the air stream. The extracted liquid grease will drain down the Extractors and into the Grease
Canal which then drains into the Grease Gutter. The sticky grease will remain in the Extractor. The Extractors,
Grease Canal and Grease Gutter are washed periodically by the automatic Wash Cycle, while the fan is on.
The Gaylord Industries Model XGS Extractor is designed to deliver the absolute optimum in collection effi-
ciency at the lowest possible pressure drop. The Extractors are ETL Recognized as part of the ELXC Ventilator.
They are constructed of corrosion resistant stainless steel.
2-1
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