OmniWare 330 User Manual
By
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.
Econo Heat♦5714 1st Avenue♦Spokane Washington 99212.♦(509)534-1022♦www.econoheat.com
100270 Rev A3
TABLE OF CONTENTS
WASTE OIL BURNER........................................................................5
OIL BURNER TECHNOLOGY ..........................................................8
OIL BURNER/PUMP TECHNICAL DATA.......................................10
BOILER SPECIFICATIONS ...............................................................11
STANDARD EQUIPMENT.................................................................12
COMBUSTION AIR SUPPLY ............................................................14
CHIMNEY OR VENT REQUIREMENTS..........................................16
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
BOILER STARTUP AND ADJUSTMENTS ......................................42
WASTE OIL BURNER STARTUP.....................................................43
WATER TREATMENT.......................................................................43
FREEZE PROTECTION......................................................................43
MAINTENANCE.................................................................................44
TROUBLE SHOOTING GUIDE .........................................................46
WARRANTY .......................................................................................47
2
Installation, Operation, And Service Instructions
PRECAUTIONS
Waste oil may contain many foreign materials. Waste oil may also contain
gasoline. Therefore, specific precautions on the handling and storage of waste
oils are to be observed when using, cleaning and maintaining this heater. Use a
screen in a funnel when pouring oil into storage tank to catch foreign
material, i.e., gasket material and sealant fibers, etc. WARNING: This
appliance is not designated for use in hazardous atmospheres containing
flammable vapors or combustible dust, or atmospheres containing
chlorinated or halogenated hydrocarbons. Do not expose this unit to rain
or moisture. If installed in high moisture atmosphere, a special cover for
the integrated air compressor must be obtained from factory to avoid
rusting of internal raw metals. If this occurs, see trouble-shooting guide for
remedy. Uses only crank case oil, gear oil, hydraulic oils, auto trans. Fluid or #1
and #2 furnace oil. Do not use old, contaminated oils that have been stored in
underground tanks 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 service of Omni Waste oil fired boiler. The following instructions
should be carefully followed for obtaining the best possible installation, operation
and service conditions. Specifications are subject to change without notice. This
product was designed to provide an economical disposal of waste oil. Proper
operation depends on the consistency of the oil. Any water or foreign material in
the oil may cause the unit to shut down.
This appliance is designed for commercial or industrial use only.
UNCRATING: Immediately upon uncrating units, check rating plate for certainty
of electrical and mechanical characteristics. Also check the unit for any damage
that may have been incurred in shipment, if any damage is found, file a claim
with the transporting agency. The unit has been tested and inspected at the
factory prior to crating and was in perfect condition at that time. If anything is
missing check packing slip for indications of possible backorder of those parts or
components. Otherwise a claim must be for those missing parts.
Installation, Operation, And Service Instructions 3
IMPORTANT
NOTICE TO OWNER
AND INSTALLER
To enjoy the long term benefits of burning your used oil in an Omni Waste Oil Boiler, it is
necessary to become familiar with the correct installation operation and maintenance of your new
boiler. Before installing or operating this appliance, make sure you read and understand this
manual.
IMPROPER INSTALLATION OR LACK OF
MAINTENANCE
WILL VOID THE WARRANTY
------------WARNING------------
Improper Installation, adjustment, alteration service or
maintenance can cause property damage, injury, or loss
of life. For assistance or additional information consult
a qualified installer or service agency. Read these
instructions carefully before 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
combustion chamber. Even if the heater is installed correctly and adequate draft achieved, a
flue passage blockage will affect the draft. Burning used oil is similar to burning wood. A fine gray
ash accumulates in the chamber and flue passage. This accumulation of ash will eventually affect
the draft. It is important to remove this ash before the draft is affected.
Note:
All illustrations and specifications contained herein are based on
the latest information available at time of publication approval.
Econo Heat reserves the right to make changes at any time
without notice, in material and specifications.
4
Installation, Operation, And Service Instructions
ONLY Authorized Technicians strictly complying with the manufacturer’s instructions
and the local standards should perform installation, maintenance and service on the
unit’s internal components. Installation and use of this used oil burning appliance shall
be in accordance with 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.
WASTE OIL BURNER
WARNING
Igniter
Transformer
Oil Primary
Control
Air Band
(Combustion Air
Supply Adjustment)
Power Switch
Figure 1 – Oil Burner (Back View Closed)
Run
Indicator
Power
Indicator
Oil Pressure
Gauge
Air Pressure
Air
Compressor
Air Pressure
Gauge
Adjuster
Installation, Operation, And Service Instructions 5
Oil Pre-Heater
Block
Photo Eye
Flame Sensor
Transformer
Igniter Springs
Pre-Heater Control
Circuit Board
Air
Muffler/Filter
Electrical
Terminal
Block
Heater
Electrical
Schematic
Figure 2 – Oil Burner (Back View Opened)
Oil Valve
Burner
Motor
Flame Cone
Electrodes
Nozzle
Figure 3 – Oil Burner (Front View)
6
Installation, Operation, And Service Instructions
t
Oil Outle
Oil Inlet
Figure 4 –Oil Pump Diagram
Figure 5 –Oil Pump Assembly
Installation, Operation, And Service Instructions 7
Omni’s patented burner technology improves the efficiency of the oil burn process by continuous
stabilization of the oil viscosity. Optimum atomization (spray) is accomplished by precisely preheating the oil and air prior to introduction to the combustion chamber. The waste oil enters into
the Oil Pre-Heater Block (figure2) and is pre-heated to operating thermo setpoint, then
compressed air from the air compressor (figure1) is mixed with the oil prior to spraying out the
nozzle similar to fuel injection, by breaking up the oil droplets into a finer mist or spray
(atomization). Electrodes mounted just above the nozzle (figure3) provides continuous electrical
arc across electrode to electrode igniting the fine oil mist as it sprays out of the nozzle. Once
ignited the flame is forced into a swirl caused by the burners blower and specially designed flame
cone (figure3) providing a very efficient and thorough burn of the waste oil.
Burner Components
• Igniter Transformer: (figure1) Supplies high voltage to the electrodes generating
electrical arc igniting the oil.
• Oil Valve: (figure3) energizes when burner is running and de-energizes when burner is
not running eliminating bleed back of oil out of the Pre-heater block.
• Air Band: (figure1) Adjusts amount of air introduced into the combustion chamber.
• Oil Primary Control: (figure1) Controls the oil burner ignition. 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 BURNER TECHNOLOGY
• Oil Pre-Heater Block: (figure2) Pre-heats the oil and air before entering combustion
chamber.
• Photo Eye: (figure2) Senses flame in combustion chamber and signals oil primary when
no flame is present.
• Igniter Springs: (figure2) Transfers the high voltage from the igniter transformer to the
electrodes (when door is closed)
• Air Pressure Gauge: (figure1) Displays air pressure supplied by onboard air
compressor.
• Air Compressor: (figure1) Supplies air used within pre-heater block to aid in atomization
of the oil.
• Air Muffler/Filter: (figure2) Filters air and muffles the sound generated by the
compressor.
• Pre-Heater Control Circuit Board: (figure2) Precisely controls temperature of the Oil
Pre-Heater Block and controls safety feature of not allowing burner to energize until oil
has established operating thermo setpoint or shutdown burner if Pre-Heater Block
temperature falls below shutdown thermo setpoint.
• Electrodes: (figure3) Provides continuous high voltage electrical arc from electrode to
electrode igniting the waste oil as it is being sprayed out of the nozzle.
• Nozzle: (figure3) Low pressure nozzle for oil spray pattern.
• Flame Cone: (figure3) Specially engineered flame cone forces the flame into a swirl
pattern improving the burn thoroughness.
• Burner Motor: (figure3) Multitask motor turns the burner blower and integrated air
compressor.
8
Installation, Operation, And Service Instructions
• Air Pressure Adjuster: (figure1) Adjusts the air pressure going to the pre-heater block.
Should be adjusted between 12 PSI and 13PSI as indicated on the Air Pressure Gauge
on the burner for thorough burn of the waste oil.
Note: In order to insure proper air adjustment, air gauge must read 0 when burner
is cycled off or powered down.
• Oil Pressure Gauge: (figure1) Displays oil 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
OWB-9 1 PSI
OWB-15 2 PSI
OWB-25 4 PSI
OWB-35 6 PSI
OWB-50 11 PSI
Oil Pressure Reading At
Burner
• Power Indicator: (figure1) Indicates when power is present at the burner.
• Run Indicator: (figure1) Indicates that the burner is ready for operation after the initial
pre-heat time of approx. 5 minutes from initial power up.
• Power Switch: (figure1) Switches power off and on to the burner.
Installation, Operation, And Service Instructions 9
OIL BURNER/PUMP TECHNICAL DATA
BURNER ASSEMBLY
Performance Ratings
Voltage - 115 VAC
Cycles - 60Hz
Total Operating Amperage (Burner Only) Amp 8.4
Total Operating Amperage (Burner and Oil Pump) Amp 10.5
Electrical Operating Consumption (Burner Only) Watts 970
Electrical Operating Consumption (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 3.6
PUMP ASSEMBLY
Performance Ratings
Voltage - 115Vac
Cycles - 60Hz
Total Operating Amperage (Pump Assy Only) Amps 2.1
Electrical Operating Consumption (Pump Assy Only) Watts 241.5
Weight Lbs 16
Oil Valve Amps 0.075
Pump Motor Amps 2.0
10
Installation, Operation, And Service Instructions
BOILER SPECIFICATIONS
Figure 6 –Boiler (OWB-35 & OWB-50)
OWB series boilers are three pass Scotch Marine design with fully water backed transfer
surfaces. Boilers 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–Burner units operate with no less than 0 to –0.01WC over fire and may
be vented using a conventional chimney.
Installation, Operation, And Service Instructions 11
CODE REQUIREMENTS
Installations must comply with all state, local, and utility codes, laws, regulations, and
ordinances, and CSA standard B139. Where required by the authority having
jurisdiction, the installation must conform to American society of Mechanical Engineers
Safety Code for Controls and Safety Devices for Automatically Fired Boilers, No. CSD-
1.
All electrical wiring must be done in accordance with the National Electrical codes latest
edition and all state and local codes.
* Factory Assembled Cast Iron Sections * Refractory Insulated Hinged front
* Flow Control Oil Supply Pump Door With Sight Glass
* Insulated Jacket * ASME Relief Valve 30 PSI
* Theraltimeter Gauge * Draft Inducer (optional)
* Boiler Drain * High Limit Aquastat Relay Combination
* Circulator – Except Models 35 and 50 (L-8148°) Except Models 35 and 50
* Relay – Models 35 and 50 Only * Serviceable Oil Filter
* Pre-built Control Manifold * Low Water Cut-off Control
Models 35 and 50 Only * Manual Reset High Limit Aquastat Control
STANDARD EQUIPMENT
12
Installation, Operation, And Service Instructions
A
r
A
Centerline Of Burner Plate
36”
17”
33”
pprox. 14”
OWB-35 and OWB-50 Specifications
26”
12-1/4”
L
3/4”
Circulato
9-3/8”
8”
1-1/2” Supply Connection
2-1/2 M.P.T. Supply Connection
29-1/2”
21-1/2”
15-1/2”
4”
2-1/2 F.P.T. Return Connection
20”
25”
OWB-9, OWB-15, and OWB-25 Specifications
pprox. 14”
L
1-1/2”
Return
Connection
Boiler
Model
OWB-9 .60 90,000 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 2.4 350,000 297,500 258,600 2,030 1654 10 52 28.5 75PSI
OWB-50 3.3 500,000 425,000 369,500 2,900 1831 10 57 31.7 75PSI
Burner
GPH
Input
BTU’s
Output
Capacity
BTU’s
NET
Rating
Water
BTU/HR.
Table 1.
NOTES:
1. Net ratings shown are based on a piping and pick-up allowance of 1.15.
2. Net ratings in sq. ft. are based on 170 deg F average water temperature in radiators. For
higher water temperatures, select boiler on basis of net ratings in BTU/HR.
3. Firing rate in G.P.H. is based on oil having heat value of 150,000 BTU/GAL.
4. 4% reduction of output for every 1,000 ft. of elevation.
NET
Rating
Water
SQ.FT.
Approx.
Dry
Weight
Lbs.
Vent
Connect
Dia.
Inches
Dim
“L”
Inches
Water
Content
Gal.
Max.
Water
Working
Pressure
Installation, Operation, And Service Instructions 13
COMBUSTION AIR SUPPLY
WARNING
Failure to provide an adequate supply of fresh air for combustion will result in hazardous
operating conditions.
Note
If you use a fireplace or a kitchen or bathroom exhaust fan, you should install an outside
air intake. These devices will rob the boiler and water heater of combustion air.
1. In unconfined spaces in buildings infiltration may be adequate to provide air for
combustion and ventilation. However, in buildings of unusually tight
construction, additional air must be provided as described in Item2. (b) below.
2. Boiler located in confined space:
[Note: Confined space may 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 rest of the building is adequate, the
confined space may be provided with two permanent openings
communicating directly with another room or rooms of sufficient
volume that the total volume of all spaces meets the criteria for
unconfined space. One opening must be within 12 inches of the
bottom of the enclosure. See Figure 7.
Chimney
Opening
Note: Each opening
shall have a free
area of not less than
one square inch per
1,000 Btu per hour of
the total input rating
of all equipment in
the enclosure, but
not less than 100
square inches.
Figure 7.
14
Opening
Installation, Operation, And Service Instructions
(b) All Air From Outdoors:
A
The confined space shall be provided with two permanent openings,
one within 12 inches of the top and another within 12 inches of the
bottom of the enclosure. The openings shall communicate directly, or
by ducts, with the outdoors or crawl or attic spaces which
communicate freely with the outdoors.
Direct To Outdoors, See Figure 8.
Chimney
Ventallation Louvers
(each end of attic)
lternative
Ventallation Louvers for Unheated Crawl Space
Figure 8.
With Vertical Ducts See Figure 9.
Chimney
Outlet Air
Outlet Air
Inlet Air
Ventallation Louvers
(each end of attic)
Note: The inlet
and outlet shall
each have a free
area of not less
than one square
inch per 4,000
Btu per hour of
the total input
rating of all
equipment in the
enclosure.
Note: The 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.
Inlet Air Duct
(ends 1 ft. above floor)
Figure 9.
Installation, Operation, And Service Instructions 15
Loading...