Omni OWB Series Installation & Operation Manual Download Page 1

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Econo Heat

♦

5714 1st Avenue

♦

Spokane Washington 99212.

♦

(509)534-1022

♦

www.econoheat.com

100270 Rev A3

WASTE OIL FIRED BOILER

OWB Series

Installation, Operation, And Service Instructions

Manual

Thank you and congratulations on your purchase of an Omni Waste Oil Fired Boiler. You have selected a

high quality, precision-engineered piece of equipment, designed to give you many benefits as well as years

of outstanding performance.

Summary of Contents for OWB Series

Page 1: ...IRED BOILER OWB Series Installation Operation And Service Instructions Manual Thank you and congratulations on your purchase of an Omni Waste Oil Fired Boiler You have selected a high quality precisio...

Page 2: ...LOCATING THE BOILER 18 INSTALLING THE BOILER 19 BREECHING INSTALLATION 19 INSTALLING BOILER CONTROLS AND ACCESSORIES 20 WATER PIPING CONNECTIONS 22 SYSTEM PIPING 24 BOILER ASSEMBLY AND WIRING 33 BOILE...

Page 3: ...s or outside barrels for long periods Excessive water and sludge may be present causing quick filter plugging NOTES The instructions contained in this manual apply to the installation operation and se...

Page 4: ...fore installing Identical to any oil burning appliance without adequate draft over the fire the combustion gases cannot escape the appliance The flame will lengthen resulting in an overheated combusti...

Page 5: ...ith the standard for the Installation of Oil Burning Equipment ANSI NFPA 31 1987 and National Electric Code ANSI NFPA 70 1990 and the requirements of the inspection authorities having jurisdiction WAR...

Page 6: ...hoto Eye Flame Sensor Electrical Terminal Block Transformer Igniter Springs Heater Electrical Schematic Figure 2 Oil Burner Back View Opened Electrodes Oil Valve Nozzle Burner Motor Flame Cone Figure...

Page 7: ...Oil Outlet Oil Inlet Figure 4 Oil Pump Diagram Figure 5 Oil Pump Assembly Installation Operation And Service Instructions 7...

Page 8: ...nition Checks for flame in the combustion chamber if no flame is detected within 45 seconds the oil primary will shutdown the oil burner To restart the unit reset the red button on the oil primary Oil...

Page 9: ...l pressure at the burner Adjustment at the Oil Pump must be made to achieve oil pressure readings at the burner as indicated below Boiler Model Oil Pressure Reading At Burner OWB 9 1 PSI OWB 15 2 PSI...

Page 10: ...on Burner and Oil Pump Watts 1 212 Weight Lbs 36 5 Oil Primary Amp 0 2 Oil Valve Amp 0 075 Pre Heater Block Amp 4 2 Pre Heater Controller Board Amp 0 011 Igniter Transformer Amp 0 3 Burner Motor Amp 3...

Page 11: ...are designed for use in forced hot water heating systems Heating is supplied by a Waste Oil Burner that burns all petroleum products any weight combination up to SAE 90W as well as fuel oils Boiler Bu...

Page 12: ...trical codes latest edition and all state and local codes STANDARD EQUIPMENT Factory Assembled Cast Iron Sections Refractory Insulated Hinged front Flow Control Oil Supply Pump Door With Sight Glass I...

Page 13: ...76 500 66 500 522 527 7 24 1 4 5 5 60PSI OWB 15 1 0 150 000 127 500 110 800 875 716 7 34 1 4 8 2 60PSI OWB 25 1 7 250 000 212 500 184 700 1 450 902 7 44 1 4 10 8 60PSI OWB 35 2 4 350 000 297 500 258...

Page 14: ...y be defined as a space whose volume is less than 50 cubic feet per 1000 Btuh of total input of all appliances installed in that space a All air from inside of building Providing infiltration in the r...

Page 15: ...e inlet and outlet air openings shall each have a free area of not less than one square inch per 4 000 Btu per hour of total input rating of all equipment in the enclosure Alternative Air Inlet Inlet...

Page 16: ...osure Figure 10 CHIMNEY OR VENT REQUIREMENTS WARNING Inspect existing chimney to make sure it is clean the right size properly constructed and in good condition before installing boiler Failure to do...

Page 17: ...y the chimney s internal cross sectional area must be at a minimum equal to the area of the largest vent plus 50 of the area of each additional vent 5 Clearances vent pipe between boiler and chimney m...

Page 18: ...NO REPONSIBILITY FOR SOOT DAMAGE TO SIDING ETC FROM A POWER VENTED OIL BOILER THIS APPLIES REGARDLESS OF THE CAUSE OF THE SOOTING LOCATING THE BOILER WARNING Boiler must not be installed in an area w...

Page 19: ...acceptable 6 The fuel pump included with burner is to be mounted at tank level or below PUMP MUST BE MOUNTED HORIZONTAL AND LOCATED NEXT TO WASTE OIL SUPPLY TANK Oil Feed Line 3 8 to connector on bur...

Page 20: ...nd the temperature pressure gauge from the large carton which was packed in the wirebound crate Install in tappings provided at the top rear of the boiler as shown in Figure 13 Figure 13 b Take the bo...

Page 21: ...boiler supply and return ports and must provide his own boiler drain and circulating pump 1 Accessories for Boilers OWB 35 and OWB 50 Figure 14 Supply Manifold Assembly Figure 15 Return Diffuser Insta...

Page 22: ...code 1 Backflow Preventer Required by many State and local codes 3 Additional circulating pumps or zone valves may also be required if the system is to be multi zone or if it is to include a domestic...

Page 23: ...r feed to the pressure reducing fill valve may be piped with 1 2 inch pipe Supply to System Shutoff Valve Fill Valve Cold Water Feed Return From System Circulation Pump S 3 4 in Shutoff Valve Auto Air...

Page 24: ...eliminate damage to the structure or personal injury It must not be piped to a point where freezing might occur 1 MULTIPLE ZOINING WITH ZONE VALVES See Figure 18 Install a balancing valve in each zon...

Page 25: ...boiler must not be permitted to drop below about 135 Degree F for an extended period of time Return water temperatures of 130 Degree F or lower will cause condensation on the exterior surface of the...

Page 26: ...hown in figure 20 above should not exceed 12 inches in length If it is not practical to maintain a 12 inch length or less then increase the pipe size of the bypass by one size 4 LARGE WATER CONTENT SY...

Page 27: ...YSTEM HEAT AND DOMESTIC HOT WATER With a single heating zone priority for domestic hot water may be provided through the use of a 3 port zone valve This system assures that full boiler output is avail...

Page 28: ...heating zones there is less likelihood that all zones will call for heat at once and require full boiler output for heating Because the tank is usually close to the boiler the pressure drop through t...

Page 29: ...a flow control valve in each zone including the indirect water heater to prevent gravity circulation Install a balancing valve in each zone and adjust so that flow in each zone is about the same see...

Page 30: ...ock Note 1 When in cooling mode isolation valves 1 and 2 must be closed and valves 3 and 4 open 2 When in heating mode isolation valves 1 and 2 must be open and valves 3 and 4 closed Figure 25 9 SINGL...

Page 31: ...ll not Exceed 14 in W C Head Figure 27 Blend Pump Check Valve System Return Pressure Reduction Valve Backflow Preventer From City Water Supply To Size Blend Pump See Table 3 Expansion Tank Secondary P...

Page 32: ...Valve System Supply System Circulator Pressure Reduction Valve Air Separator Amtrol 720 Air Eliminator or Equal Backflow Preventer Blend Pump S S R R Blend Pump Check Valve From City Water Supply Exp...

Page 33: ...e space between the burner blast tube and the insulation block on the inside of the burner door with refractory mix provided Figure 29 OWB 35 and OWB 50 Burner Mounting Boiler Door Detail Figure 30 OW...

Page 34: ...e of insulation on top of wraparound insulation This will provide double thick insulation on top of the boiler block 4 Remove flue collector clean out covers 62 5 Push the two smaller pieces of insula...

Page 35: ...ions 1 Attach the rear jacket mounting brackets 7 to rear tie rod ends on back of boiler using the 12mm nut 9 provided on the end of each tie rod 2 Attach the rear jacket panel 3 to the rear jacket mo...

Page 36: ...the flue collector cover 4 using four 10x 1 2 sheet metal screws 10 Press the door switch 16 into the door switch bracket 17 Connect the door switch leads to the switch it does not matter which wire...

Page 37: ...2A may be substituted in place of the R845A using the X and X terminals in place of the 5 and 6 terminals on a R845A A call for heat from any thermostat will energize the DPST relay in that zone s R84...

Page 38: ...so start the circulator and fire the boiler assuming the high limit is not open Zone valve terminal TH TR has no internal connection on the zone valve it is merely a binding post used to connect two o...

Page 39: ...WHT RED YEL Figure 33 WIRING DIAGRAM SINGLE HEATING ZONE ONLY Installation Operation And Service Instructions 39...

Page 40: ...WHT RED YEL Figure 34 WIRING DIAGRAM SINGLE HEATING ZONE ONLY BOILERS EQUIPPED WITH BURNER DOOR DISCONNECT SWITCH 40 Installation Operation And Service Instructions...

Page 41: ...YWELL V8043F VALVES FACTORY BOILER WIRING NOT SHOWN SEE FIGURE 33 OR 34 Figure 36 WIRING DIAGRAM CIRCULATOR ZONE WIRING USING HONEYWELL R845A S FACTORY DIAGRAM WIRING NOT SHOWN SEE FIGURE 33 OR 34 Ins...

Page 42: ...hrough a hose as in 1 above When system seems to be full and free of air close the drain cock and the shutoff valve on the boiler supply pipe leaving the manual valve on the cold water feed open Now r...

Page 43: ...ow the burner to run during the pump priming process 9 Priming the oil pump Open bleeder valve one turn until all air is expelled Figure 4 This may need to be done twice to insure all air is removed I...

Page 44: ...lue gas leaks Seal any leaks found with High Temperature Silicone Sealant 6 Check flue gas temperature at the test point in the breeching If gross flue gas temperature is 550 degrees F or above suspec...

Page 45: ...Adjusment Diagram When cleaning inspect all three pieces thoroughly When disassembling and reassembling nozzle keep facing up as shown Figure 38 Nozzle Assembly Detail Installation Operation And Serv...

Page 46: ...intake port plug Also check the filter cover and gasket Also check the pump filter and clean it with a brush and fuel oil or kerosene if it looks dirty INADEQUATE HEAT 1 Check thermostat and heat ant...

Page 47: ...amber five 5 years limited Parts Only 2 Oil Heater Block twenty 20 years Parts Only 3 Oil Heater Block Controller PCB three 3 years Parts Only 4 All other components one 1 year Parts Only This warrant...

Page 48: ...48 Installation Operation And Service Instructions...

Page 49: ..._______________________________________________ Address____________________________________________________________________________ City _________________________ State ________________ Zip Code _____...

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