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INSTALLATION AND OPERATION MANUAL
FOR 2 – STAGE RIELLO BURNER
ADDENDUM TO ( Mo – 437 manual )
FOR USE WITH MODEL:
OH6FX072DV4
PLEASE READ THESE INSTRUCTIONS PRIOR TO INSTALLATION, INITIAL FIRING, AND
BEFORE PERFORMING ANY SERVICE OR MAINTENANCE. THESE INSTRUCTIONS
MUST BE LEFT WITH THE HOMEOWNER AND SHOULD BE RETAINED FOR FUTURE
REFERENCE BY QUALIFIED SERVICE PERSONNEL.
THERMO PRODUCTS, LLC.
BOX 217
NORTH JUDSON, IN 46366
PHONE: (574) 896-2133
MO-462
ECN 4865-MA
MADE IN USA
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Summary of Contents for Thermo Pride OH6FX072DV4
- Page 1 FOR 2 – STAGE RIELLO BURNER ADDENDUM TO ( Mo – 437 manual ) FOR USE WITH MODEL: OH6FX072DV4 PLEASE READ THESE INSTRUCTIONS PRIOR TO INSTALLATION, INITIAL FIRING, AND BEFORE PERFORMING ANY SERVICE OR MAINTENANCE. THESE INSTRUCTIONS MUST BE LEFT WITH THE HOMEOWNER AND SHOULD BE RETAINED FOR FUTURE REFERENCE BY QUALIFIED SERVICE PERSONNEL.
- Page 2 AND A HOLLOW SPRAY PATTERN WOULD BE ABBREVIATED IN THE TABLE AS “0.65 X 80°H”. ** NOTE: The reason the Riello burner nozzle sizes are smaller than the standard Thermo Pride burner nozzles is that pre-set pump pressures are higher, therefore achieving the same firing rate with a smaller nozzle.
- Page 3 MOUNTING THE 2-STAGE RIELLO BURNER: It is necessary that the insulation gasket be placed between the mounting plate and the burner flange. The insulating gasket has six holes, which, if necessary, can be modified as shown. (see figure 14-1) Figure 14-1: Burner gasket and mounting Figure 14-2: Burner fixing and hinge assembly Verify that the installed burner is lightly leaned towards the button.
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Page 4: Air Damper Adjustment
The setting of the fan output according to the installation should be done only through the air damper. Should you want to adjust the setting of the combustion head, with the burner running, turn the rod (1) with a 6mm wrench (2) as follows: TURN TO THE RIGHT: (SIGN + ) In order to increase the volume of air entering the... - Page 5 Figure 22 STAGE ADJUSTMENT: Adjustment of air shutter: place the small plug (9) of the economizer (10) into the position I (Item A). In this way the burner will remain permanently in the 1 stage. Loosen the nut (2), turn the screw (3) until the air shutter (1) reaches the position desired. Then lock the nut (2). Pressure regulation: this is set at 130 psi at the factory.
- Page 6 CARBON DIOXIDE (CO 2 ) OR OXYGEN (O 2 ): Take a CO 2 sample from flue passageway. It is possible to achieve readings of up to 14% CO 2 (or 2% O 2 ), but it is better to have a slightly lower CO 2 (or higher O reading with zero smoke measured.
- Page 7 a. With the oil shut off, remove the 1/8 in. NPT threaded pipe plug located on the lower rear side of the oil pump, refer to Figure 22. Attach a pressure gage, capable of measuring pressure in pounds per square inch gage, PSIG, in this opening, on the discharge side, of the oil pump.
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