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OMNI by EconoHeat

This warranty is void if:

•  Warranty registration card is not returned within sixty (60) days of purchase

•  Any part or component subject to abuse or altered from original manufactures speciications
•  Installation not in accordance with instructions
•  Has not been properly maintained, operated or has been misused
•  Wiring not in accordance with diagram furnished with unit heater
•  Unit heater is operated in the presence of chlorinated vapors
•  Air through unit heater is not in accordance with rating plate and speciications
•  Target plate or clean out door warped/discolored from excessive heat

Warranty is limited to the original purchaser and is non-transferable. 

The above warranty is in lieu of all other warranties expressed or implied. EconoHeat does not 
authorize any person or representative to make or assume any other obligation or liability that 
is not in accordance with above warranty. 

EconoHeat is not responsible for any labor and/

or shipping cost, unless prior authorization in writing has been obtained.

NOTE:

 Combustion Chamber Warranty is speciic to material and workmanship. Workmanship 

means EconoHeat warranties the welds are good and will hold. Material means they will not 
corrode through due to sulfur in the ash that accumulates during operation. Warranty does 
not apply to units that experience overheating stress cracks. These are not incurred because 
the materials are inadequate for the application nor are they results of a weld breaking lose 
because of bad penetration, which is easily recognized by the metal left beneath the weld. 
These cracks occur as a direct result of (1)improper draft, either by inadequate initial installation 
and setup, which requires (a) establishing a proper draft during installation (b) back draft has 
occurred due to ash buildup, backing up hot gas passageways in either the exchangers, the 
stack, or both. (2) Over iring by setting oil supply pressure too high (see manual for proper 
setting) these are all cases of thermal overload.

*Under normal use only. If misuse or abuse is deemed apparent after inspection, warranty is void.

OWH-75 Ten (10) Year Limited Warranty Cont.

Summary of Contents for OMNI OWH-75

Page 1: ...nd service instructions OWH 75 120v Manual EconoHeat 5714 E First Avenue Spokane Valley WA 99212 800 255 1363 www econoheat com Rev 01 2017 240 V Omni Heat NZ P O Box 112 Cromwell 9342 32 Ree Crescent...

Page 2: ...tallation Procedures Page 6 Stack Installation Page 7 Oil Supply Tubing Page 7 Wiring Page 8 Oil Burner Page 9 Oil Burner Technology Page 10 Initial Start Procedure Page 12 Maintenance Schedule Page 1...

Page 3: ...ation and service of OMNI Waste oil ired heaters The following instructions should be carefully followed for obtaining the best possible installation operation and service conditions Speciications are...

Page 4: ...aintenance Requirements Identical to any gas or oil furnace without adequate draft over the ire the combustion gases cannot escape the furnaces The lame will lengthen resulting in an overheated combus...

Page 5: ...without notice in materials speciications and models or to discontinue models 2 These appliances are designed for commercial or industrial use only Installation and use of this waste oil burning appli...

Page 6: ...Page 6 OMNI by EconoHeat Installation Procedures Figure 1 Installation Diagram...

Page 7: ...ieved Oil Supply Tubing 1 Use ONLY 1 2 or 3 4 nominal ID copper tubing with lare ittings only on the fuel suction from the tank to the heater Do NOT use ferrule ittings or Telon tape on any pipe it ti...

Page 8: ...cuit 20 amp protection using 12 gauge wire Connect power line to black wire and all whites NEUTRAL or COMMON together IMPORTANT Connect ground wire to ground mounting point in main junction box green...

Page 9: ...990 and the requirements of the inspection authorities having jurisdiction WARNING Igniter Transformer Air Band combustion air supply adjustment Power Indicator Run Indicator Figure 3 Oil Burner Back...

Page 10: ...Motor Compressor Flame Cone Nozzle Electrodes Figure 5 Oil Burner Front View Figure 6 Oil Pump Diagram Oil Inlet Oil Outlet Mounting Flange 3 or 4 bolt universal pattern Vanes Carbon Plate Remove Cov...

Page 11: ...ss electrode to electrode igniting the ine oil mist as it sprays out of the nozzle Once ignited the lame is forced into a swirl caused by the burners blower and specially designed lame cone providing...

Page 12: ...e electrodes when door is closed Pre Heater Control Circuit Board igure 9 Precisely controls temperature of the Oil Pre Heater Block and controls safety feature of not allowing burner to energize unti...

Page 13: ...tat terminals on the Oil Primary Control igure 3 Once the burner is running temporarily jump the F terminals on the Oil Primary not before burner tries to run or operate This will allow the burner to...

Page 14: ...embly requires the removal of the access panel allowing simple entry to the combustion chamber and heat exchanger s to vacuum out the accumulated ash soot hepa ilter recommended igure 10 below Check S...

Page 15: ...TO ENDCONE BURNER TUBE Tip of nozzle must be ahead of inside radius of end cone If nozzle is behind inside radius of end cone coking will occur and end cone can become clogged igure 8 below IMPORTANT...

Page 16: ...odes Nozzle Thermocouple Figure 11 Pre Heater Block Detail Removed From Burner for Clarity Figure 10 Electrode Adjustment Detail When cleaning inspect all three pieces thoroughly When disassembling an...

Page 17: ...I by EconoHeat Figure 13 Oil Filter Pancake Style Filter Remove 4 bolts for access to strainer ilter CAUTION must be careful not to destroy the inner gasket during removal of the housing Figure 12 Pum...

Page 18: ...and replace either i needed Figure 1 Back dra t in combustion chamber may be present Check dra t lue pipe over ire at vision port Air band open too ar Close air band while viewing lame open air band...

Page 19: ...ials and workmanship for the durations speciied below which duration begins on the date of delivery to the customer Customer is responsible for maintaining proof of date of delivery If return is deeme...

Page 20: ...g cost unless prior authorization in writing has been obtained NOTE Combustion Chamber Warranty is speciic to material and workmanship Workmanship means EconoHeat warranties the welds are good and wil...

Page 21: ...out tear off and return to manufacturer within sixty 60 days of purchase or warranty will not be valid Please print or type Date of Purchase Serial Model Customer Company Name Address City State Zip C...

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