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BAROMETRIC DRAFT CONTROLS
Model: Type M
READ THESE INSTRUCTIONS CAREFULLY AND COMPLETELY BEFORE PROCEEDING WITH THE INSTALLATION.
This device MUST be installed by a qualified agency in accordance with the manufacturer's installation instructions. The definition of
a qualified agency is: any individual, firm, corporation or company which either in person or through a representative is engaged
in, and is responsible for, the installation and operation of HVAC appliances, who is experienced in such work, familiar with all the
precautions required, and has complied with all the requirements of the authority having jurisdiction.
Please retain these instructions after installation.
Installed By:
Phone:
Installation Date:
www.fieldcontrols.com
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Summary of Contents for Field Controls M
- Page 1 BAROMETRIC DRAFT CONTROLS Model: Type M READ THESE INSTRUCTIONS CAREFULLY AND COMPLETELY BEFORE PROCEEDING WITH THE INSTALLATION. This device MUST be installed by a qualified agency in accordance with the manufacturer's installation instructions. The definition of a qualified agency is: any individual, firm, corporation or company which either in person or through a representative is engaged in, and is responsible for, the installation and operation of HVAC appliances, who is experienced in such work, familiar with all the precautions required, and has complied with all the requirements of the authority having jurisdiction.
- Page 2 CHOOSING THE LOCATION The best location for a draft control is on the side of a horizontal pipe. Choose the best which space will permit. (See Figures 1 & 2) Figure 1 Figure 2 INSTALLATION Bolt collar together before attaching it to the flue pipe or breeching. (See Figure 3) Squeeze and shape the collar of the draft control with the hands, if necessary, so that it will fit snugly on the flue, especially if the flue is out of round or a different size than the draft control.
- Page 3 Then cut a series of short slits (about ⁄ " or ⁄ " deep) around the edges of the opening. After the collar is strapped on the flue the cut edges can be bent outward into the collar and thus make a better joint. WHEN FINISHED, THE OPENING INTO THE FLUE MUST BE FULL SIZE OF THE COLLAR OF THE DRAFT CONTROL.
- Page 4 ADJUSTING THE CONTROL Set the control to maintain as low a draft as will give good combustion and meet the requirements for heat. Screw the weight on the front of the control so that it moves outward (towards you as you face the front of the control) to increase the draft.
- Page 5 STOKERS After the draft control is installed, start a fire. When the fuel bed reaches a normal depth, at least 6" to 10" deep, the draft can be set. The adjusting must be done while the stoker is running and its fan adjusted to approximately the correct setting.
- Page 6 For larger plants, drafts over the fire (taken through openings in the fire doors, etc.) of .10" to .15" should be enough, and .20" should be the maximum. Greater economy will be obtained with lower drafts. To check the fire or to bank it, close the ash pit door tightly. It is permissible to use a check or hand turn damper also, when banking the fire, should the ash pit doors fail to close tight enough.
- Page 7 Field Controls Direct Vent Systems (FDVS), Field Oil Vent Kits (FOVP), and ComboVents (CV). Field Controls warrants that the products listed below shall be free from defects in material and workmanship under normal use for the limited period indicated, from the date of purchase by the consumer, subject to the provisions 1-8 below.
- Page 8 Phone: 252.522.3031 • Fax: 252.522.0214 www.fieldcontrols.com © Field Controls, LLC P/N DC01428000 Rev A 08/09...
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