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Thermo Products OH6FX072DV4 manual

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Table of contents for the manual

  • Page 1

    MO-4 62 ECN 4865-MA MADE IN U SA 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 RE[...]

  • Page 2

    2 Riello 2-stage burner specifications and applications: MODEL PART OD6 2-STAGE MTG. PLATE PART NO. 11700 MTG. PLATE GASKET PART NO. 330212 **NOZZLE SIZE .70 X 45 ° W NOZZLE PART NO. 380702 OIL PUMP PRESSURE 130 LOW 170 HIGH BURNER G5D BURNER PART NO. 380529 Table 8: Riello burner application THE NOZZLE SIZE GIVES THE NOMINAL FLOWRATE, IN GPH, FOL[...]

  • Page 3

    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 insta[...]

  • Page 4

    4 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 th[...]

  • Page 5

    5 Figure 22 1 st 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 st 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 [...]

  • Page 6

    6 ii. 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 2 ) reading with zero smoke measured. To achieve a lower CO 2 reading, open the air band, or shutter, on the burner until zero smoke is[...]

  • Page 7

    7 a. With the oil shut off, remove the 1/8 in. NPT threaded pipe pl ug located on the lower rear side of the oil pump, refer to Figure 22. Attach a pressure gage, c apable 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 [...]