4-112.3
September, 2008
Oil Fired Unit Heaters
Page 1: ...4 112 3 September 2008 Oil Fired Unit Heaters ...
Page 2: ...ic LED to provide service personnel an easy indication of cad cell resistance and operational status lockout recycle etc 15 second valve on delay provides a pre purge mode that allows for clean starts and reduced maintenance A cad cell safety system de energizes the burner controls if a flame is not produced in 30 seconds Manual reset of flame protection is required following this safety shut down...
Page 3: ...ed rods 1 2 13NC tap or with 3 4 pipe by use of an optional pipe hanger kit accessory Reduced Maintenance Easy to Service Under average conditions Modine unit heaters typically require inspection only once a year more often if the air is contaminated with fumes dust or spray The heat exchanger is equipped with a convenient inspection port and the service door opening is ample in size to facilitate...
Page 4: ...pressure is 60 PSIG Fuel Oil Filter Protects oil burner from foreign particles Vertical Louvers Used in combination with standard horizontal louvers for complete control of air delivery Draft Regulator Barometric type with screw adjustments and hinge pin action Designed for precise control of drafts Outside Combustion Air Kit Kit converts the burner to accept outside combustion air piping Includes...
Page 5: ...retain fire pot corners 6 Cut new door gaskets to proper length add holes and install around door opening with tape or a suitable paste Fasten access door at top and bottom with six 6 new brass bolts and then tighten brass retaining nuts along right and left edges Tightening door in this sequence will assure proper sealing 7 Reverse procedure in Step One to replace louvers CAUTION To prevent unusu...
Page 6: ...inally shipped with the appliance being converted in addition to any other accompanying component supplier literature 3 This product is specifically designed for use with Beckett Model AF burners for ducting outside combustion air directly to the burner Model Application The outside combustion air kit for Model POR units is designed to provide a means of ducting combustion air to Modine Model POR ...
Page 7: ...bly Installation of the VRV Purpose of the Vacuum Relief Valve VRV The VRV is installed to provide a secondary opening for combustion air supply in the duct system This is especially important in the event of damage or blockage to the Intake Air Hood VRV Operation The VRV gate operates on changes in vacuum pressure generated between the intake and the oil burner The VRV gate will remain closed dur...
Page 8: ...s full of oil vapor or when the combustion chamber is very hot A After the installation is complete set the initial AIRBOOT air dial setting at 250 for POR100 and 145 or 260 for POR185 as summarized in Chart 1 Chart 1 Approximate Air Dial Settings See Notes Setup Data Model Size 100 145 185 Head F4 F4 F12 Static Plate 3 3 8R 3 3 8R 2 3 4U G P H 0 85 1 25 1 65 Approx AIRBOOT Air Dial Setting 250 25...
Page 9: ...mmercial Products Group Modine Manufacturing Company 1500 DeKoven Avenue Racine Wisconsin USA 53403 2552 Phone 1 800 828 4328 HEAT www modine com Modine Manufacturing Company 2008 4 530 11 08 Litho in USA ...
