American Energy Systems MagnuM 7500 - Manual (Page 6)

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9 DO NOT USE DUCT ELBOWS HAVING AN INSIDE RADIUS OF LESS THAN 6 INCHES
(150MM) ON THE (oil, electric, gas) furnaces.
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DO NOT CONNECT DUCTWORK SO THAT A REVERSE FLOW IS POSSIBLE. IT IS
REQUIRED TO HAVE PROPER BACK DRAFT DAMPERS BETWEEN THE 6500/7500
FURNACE AND THE DUCTWORK THAT YOU ARE INSTALLING INTO AND ALSO IN
THE PLENUM OF THE PRIMARY FURNACE.
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OPERATE THE (gas, oil, electric) FURNACE PERIODICALLY TO ENSURE THAT IT
WILL OPERATE SATISFACTORILY WHEN NEEDED.
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THIS APPLIANCE IS CERTIFIED FOR INSTALLATION ONLY AS SHOWN IN THIS
INSTALLATION MANUAL. SEE DIAGRAMS ON PAGES 15-17
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DO NOT RELOCATE OR BYPASS ANY OF THE SAFETY CONTROLS IN THE
ORIGINAL (gas, oil, electric) FURNACE INSTALLATION.
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DO NOT CONNECT TO ANY GAS FURNACE THAT HAS NOT BEEN CERTIFIED
INITALLY AS COMPLYING WITH CAN/CGA-2.3
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A GAS FITTER WHO IS RECOGNIZED BY THE REGULATORY AUTHORITY MUST
VERIFY THE OPERATION OF THE GAS FURNACE FOR ACCEPTABLE OPERATION
BEFORE AND AFTER INSTALLATION OF THE ADD-ON APPLIANCE.
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DO NOT CONNECT TO ANY GAS FURNACE THAT IS NOT EQUIPPED WITH AN AIR-
CIRCULATION BLOWER, OR TO A CHIMNEY OR VENT SERVING A GAS FURNACE
OR GAS APPLIANCE.
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THE MAGNUM 6500/7500 CORN/WOOD PELLET FURNACE IS COMPATIBLE WITH
THE FOLLOWING (gas, oil, electric) INPUT SIZES: 50,000 to 200,000 BTU.
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The Magnum 6500/7500 Corn/Wood Pellet furnace should only be installed on a furnace duct system
and venting that is in good operating condition. It is recommended and sometimes necessary to install
separate ductwork because the existing ductwork might not support the proper air flow or temperature.
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The installation of the Magnum 6500/7500 Corn/Wood Pellet furnace must comply with
requirements of CAN/CSA-B365, and changes to the installation should comply with CSA B139 (for
oil-fired), C22.1 (for electric), or CAN/CGA-B149.1 or CAN/CGA-B149.2 (for gas-fired)
Prior to installation you will need to determine the compatibility of the existing furnace to the
Magnum 6500/7500 Corn Furnace. Following are the guidelines for determining compatibility.
CFM compatibility would be rated at app. 1250 CFM. If the cfm in the central furnace is less than this a
back draft damper will need to be installed in the plenum of the central furnace. The static pressure in the
ductwork cannot exceed the name plate rating on the central furnace and must be compatible with the
static pressure rating on the name plate of the Magnum Corn Furnace.
Adjust the static pressure in the ductwork to maintain a temperature rating of 130-150 deg. F.
Note: If the installation requirements are not followed your Magnum furnace will not operate or
heat properly. This is not the fault of the appliance and the warranty may be voided if any damage
to the heat exchangers is a result of improper installation.