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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
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Riello 2-stage burner specifications and applications: MODEL OD6 2-STAGE PART MTG. PLATE 11700 PART NO. MTG. PLATE GASKET 330212 PART NO. **NOZZLE SIZE .70 X 45° W NOZZLE 380702 PART NO. 130 LOW OIL PUMP PRESSURE 170 HIGH BURNER G5D BURNER 380529 PART NO. Table 8: Riello burner application THE NOZZLE SIZE GIVES THE NOMINAL FLOWRATE, IN GPH, FOLLOWED BY THE SPRAY ANGLE, IN DEGREE’S, AND THE
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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. (See figure 14-1) The burner is designed to allow entry of the flexible o
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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 combustion chamber and thus diminishing its pressure. There is a reduction of CO and the adhesion of Figure 21 2 the flame to the air diffuser disc improves.
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Figure 22 st 1 STAGE ADJUSTMENT: Adjustment of air shutter: place the small plug (9) of the economizer (10) into the position I (Item A). In this st 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. Should such pressure be reset or changed, just turn the screw (4). The pressure gauge must be mo
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ii. CARBON DIOXIDE (CO ) OR OXYGEN (O ): Take a CO sample from flue passageway. It is possible to 2 2 2 achieve readings of up to 14% CO (or 2% O ), but it is better to have a slightly lower CO (or higher O ) 2 2 2 2 reading with zero smoke measured. To achieve a lower CO reading, open the air band, or shutter, on the 2 burner until zero smoke is measured. For example, if a 13% CO (or 3.5% O ) is recorded at a trace of smoke, open the air shutter until zero smoke is 2 2 measured with a 12
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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. NOTICE: It may be necessary to remove the oil pump to attach the plumbing required to connect a pressure gage to the pump. b. Turn on the fuel oil and cause the appliance to activate the heat
