PRE-ASSEMBLED
INSTALLATION INSTRUCTIONS
EARTHSTONE OVENS-6717 SAN FERNANDO RD GLENDALE CA 91201
TELEPHONE: 800-840-4915 818-553-1134
FAX: 818-553-1133
A MAJOR CAUSE OF OVEN RELATED FIRES IS FAILURE TO MAINTAIN
REQUIRED CLEARANCES (AIR SPACES) TO COMBUSTIBLE MATERIALS. IT IS
OF UTMOST IMPORTANCE THAT THIS OVEN BE INSTALLED ONLY IN
ACCORDANCE WITH THESE INSTRUCTIONS
12/4/2002
INSTRUCTIONS FOR LIFTING AND MOVING OVEN
ATTENTION:
machinery and handling equipment should be
used for unloading, moving and installing the
Only proper heavy lifting
3-
INSTALLING OVEN
Slowly lower oven into proper location. Oven
should be set on a level floor. Shim as
necessary to assure that oven is level. Remove
horizontal front angle when oven is in place.
Insert ramset red heads, min. of 3 inches in
length, through base plates. (See fig 17-A pg. 7
in installation instructions)
oven.
This duty should be performed by
professionals trained in this kind of work.
Improper handling of the equipment could result
in damaging the oven or personal injury.
1-
USING A FORKLIFT
Determine if forklift capacity is sufficient to lift
oven. (6000 lb for models 90 and 110, and
8000 lb for models 130 and 160)
Prior to lifting, make sure forks are long enough
to reach both horizontal steel tubes on
underside of oven (Without touching oven
shell). Approach oven from front entrance side
or rear side. Keep forklift straight. Carefully
place forks through inside of tube steel supports
legs and position under horizontal tube steel
members.
Slowly lift and move oven as
needed. (See dia. A)
DIA. A
2-
USING A PALLET JACK
Determine if pallet jack capacity is sufficient to
lift oven. (4500 lb for models 90, 110, 130 and
6000 lb for model 160)
Prior to lifting, make sure pallet jack is long
enough to reach both horizontal angles at lower
end of steel tube support legs. Place pallet jack
between tube steel support legs
under
horizontal angles. (See dia. B) Carefully lift
oven and move slowly.
CAUTION: OVEN IS TOP HEAVY MOVE
WITH CARE.
DIA. B
EARTHSTONE OVENS PRE-ASSEMBLED INSTALLATION INSTRUCTIONS---U.L. LISTED
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LIST OF SUPPLIED ITEMS
OVEN
ADDITIONAL ITEMS
ꢀ METAL DOOR
ꢀ DIGITAL THERMOMETER (REQUIRES 120V AC OUTLET)
120 V AC, 60 HZ, 1 AMP POWER SUPPLY (SUPPLIED)
ꢀ TRAINING VIDEO
EARTHSTONE OVENS PRE-ASSEMBLED INSTALLATION INSTRUCTIONS---U.L. LISTED
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PRE-ASSEMBLED INSTALLATION INSTRUCTION GUIDE
READ ALL INSTRUCTIONS CAREFULLY BEFORE INSTALLING AND USING THE APPLIANCE.
If this oven is not properly installed, a fire may result. To reduce the risk of fire, follow the installation
instructions. Please read this entire manual before you install the oven. Failure to follow instructions may
result in property damage, bodily injury, or even death.
The installer should contact the local building or fire officials concerning any installation restrictions and
the need for inspection(s) of the oven and venting applications before beginning installation.
Obtain the necessary permit to construct. In most areas this will include a permit to construct the oven
and a permit for the exhaust system. Sometimes an electrical permit is also necessary for connecting the
exhaust fan. All construction must comply with local building codes. There are some portions of these
instructions which are more restrictive than the building codes. Whichever is most restrictive must be
followed.
The diagram below indicates the minimum floor space required.
(ALL DIMENSIONS ARE TO OUTSIDE FACE OF STEEL ENCLOSURE)
OUTSIDE DIAMETER DIMENSIONS
MODEL 60 33” W X 32” D - MODEL 90 50" - MODEL 110 58"
MODEL 130 70"
-
MODEL 160 86"
IMPORTANT REMINDER
After reading this installation guide it is important to determine which venting application method will be
used.
Most cities accept the U.L. listed chimney installation (direct venting) however a few cities will require the
use of a Type I grease hood over the oven opening. Check with your local building department to
determine which is acceptable.
To maintain the U.L. listing of the oven the venting application needs to be installed in accordance with
the guidelines specified in this installation instruction guide.
SAVE THESE INSTRUCTIONS
EARTHSTONE OVENS PRE-ASSEMBLED INSTALLATION INSTRUCTIONS---U.L. LISTED
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INSTALLATION. OPERATING AND MAINTENANCE PREFACE
Refer to pages 9, 10 and 11 for complete instructions.
1) On daily basis, and after the oven temperature is at least 500 at F: (a) Ashes are to be removed by a
metal ash scoop/shovel or by a suitable fire-safe vacuum cleaner with long metal wand extensions
provided by the user.; (b) the oven interior is then to be mopped down with a clean, damp cloth.
2) Direct food contact with hearth is restricted to pizzas and bread products only. Refer to manufacture
for other foods.
3) The manual recommends the use of untreated wood only, no more than four pieces at a time.
4) “Burn-in” conditioning instructions are provided on page 30 and are to be followed prior to initial use
unless “burn-in” is conducted by the manufacturer.
5) Field applied enclosures, paint, brickwork, panels, or other construction necessary to “finish off” the
oven must be in accordance with local public health requirements.
6) Cooking shall only take place when the oven hearth is at least at 500OF.
7) The mantle shelf joint shall be sealed with an NSF Listed sealant after final installation.
EARTHSTONE OVENS PRE-ASSEMBLED INSTALLATION INSTRUCTIONS---U.L. LISTED
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A.
INSTALLATION PROCEDURES
1.
Mark an outline on the floor of the location desired. This is to assure that you have adequate
space. Refer to Fig. 1, pg. 6.
2.
3.
Check that there is adequate clearance at the ceiling for the hood. There must be a minimum of
3 inches of clearance between the top of the hood and/or oven and the surface of the drywall
above. A height of 105 inches is needed for a basic installation (Including hood). If direct
venting is used then 83 inches will be sufficient (Model 60 – 65”). (Refer to Fig. 2 & 3 pg. 6)
Check that there is a minimum clearance of 1 inch to any adjacent sidewall construction
containing combustibles. Any adjacent combustible sidewalls which projects beyond the front
of the oven opening must be a minimum of 48 inches, measured from the side of the oven
opening closest to the wall to the surface of the wall. (Refer to Fig. 4, pg. 6). If the distance is
less than 48 inches a wall shield must be mounted on the wall. Refer to the U.L. listed wall
shield installation instructions for the allowable clearance reduction.
Any adjacent combustible floor which projects in front of the oven opening must be a minimum
of 30 inches away from each side of the door opening and 36 inch from the front of the door
opening.
WARNING: DO NOT PACK REQUIRED AIR SPACES WITH INSULATION OR OTHER
MATERIALS
A minimum of 3 inches must be maintained between any combustibles and the top of the
metal covering over the oven enclosure. Refer to Fig 2 & 3 pg. 6.
4.
5.
Once the oven is in the desired position, drill holes for the anchor bolts (Min 3 inches deep) using
the base plates as a guide. Insert ramset red heads to fasten oven base
concrete floor. (Fig 17-A pg. 8)
plates to
The outside surface of the oven enclosure may be faced with non-combustible facing
material if desired. This might include but not limited to: Brick, Ceramic tiles, Stainless
steel, Marble or any other decorative metals. DO NOT FACE WITH COMBUSTIBLE
MATERIALS OR USE COMBUSTIBLE ADHESIVES. Allow for access to top of the
oven for servicing.
NOTE: FOR HEALTH DEPARTMENT REQUIREMENTS ANY 1-INCH AIR GAP
ADJACENT TO A COMBUSTIBLE WALL MUST BE SEALED WITH A NON
COMBUSTIBLE STRIP. i.e. ALUMINUM, STAINLESS STEEL OF TILE.
B.
VENTING APPLICATIONS
THERE ARE TWO METHODS OF VENTING THAT ARE ACCEPTABLE TO USE WITH THE OVEN.
THE METHODS ARE A U.L. LISTED GREASE DUCT/BUILDING HEATING APPLIANCE CHIMNEY
INSTALLATION (DIRECT VENTING) AND TYPE-I EXHAUST HOOD INSTALLED PER NFPA 96 AND
THE UMC. DETERMINE WHICH METHOD OF VENTING IS ACCEPTED BY THE LOCAL BUILDING
DEPT. BEFORE BEGINNING INSTALLATION OF THE OVEN. RESIDENTIAL APPLICATIONS WILL
USE THE DIRECT VENTING METHOD. IT IS NEVER APPROPRIATE TO USE “CLASS A” OR “B
VENT” IN ANY PART OF THE EXHAUST SYSTEM. EXHAUST SYSTEMS SERVING SOLID-FUEL
EQUIPMENT MAY NOT BE COMBINED WITH EXHAUST SYSTEMS SERVING OTHER (NON-SOLID
FUEL) COOKING EQUIPMENT
Important: Chases should be made of non-combustable materials.
EARTHSTONE OVENS PRE-ASSEMBLED INSTALLATION INSTRUCTIONS---U.L. LISTED
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I
TYPE-I EXHAUST HOOD-Installed per NFPA 96, standard for ventilation control
and fire protection of commercial cooking operations. (For commercial
applications only)
1.
If required, a Type 1 hood must be placed above the cooking opening and set on the top
of the oven. The minimum exhaust hood dimensions are 36 in. wide 37 in. deep,
22in. high for models 90 and 110, and 40 in. wide, 37 in. deep and 22 inches
high for models 130 and 160. Refer to Fig. 16 & 17, PG. 7 & 8. Duct velocity must be
800-1200FPM.
2.
3.
The grease filters must be positioned at the rear of the exhaust hood and must be of the
steel baffle type (Mesh type grease filters must not be used).
The front of the exhaust hood is to set forward 10 inches from the front of the oven face.
The face of the filter must be a minimum of 42 inches from the oven heath per the
Uniform Mechanical Codes. (UMC) or 48 inches per NFPA 96. When the exhaust hood is
fabricated, it is recommended that the bottom portion which is set on the oven(sheet
metal lid) be closed for ease of cleaning. Refer to Fig 16 & 17, pg. 7 & 8.
4.
5.
6.
The sides of the exhaust hood must extend a minimum of 6 inches to either side of the
oven door opening.
There must be a minimum of 3 inches of clearance between the hood and any
combustible surface.
The exhaust duct is to be constructed as vertical as possible, free of offsets and
horizontal runs. If a horizontal run is needed then refer to the Grease Duct/Building
Heating Appliance installation section.
II.
U.L. LISTED GREASE DUCT/BUILDING HEATING APPLIANCE CHIMNEY
INSTALLATION (DIRECT VENTING)
1..
A U.L. listed Grease Duct/Building Heating Appliance Chimney may be connected
to the opening in the primary hood of the oven. Refer to Fig. 18, pg. 9 (10 for
residential applications). For specific installation requirements refer to Selkirk
Metalbestos Model PS and IPS Grease Duct Installation Instructions (Numbers 8 or
9) or Metal-Fab IPIC Installation Insructions.
Models:
Metal-Fab IPIC (mtlfab.com)
or Selkirk Metalbestos Model IPS (selkirkusa.com)
WOOD STORAGE
Wood storage shall not exceed a one-day supply where stored in the same room as the
oven. Refer to NFPA 96 for wood storage requirements.
OVEN CURING
Oven is pre-cured, however the first two fires should be small in order to properly cure the
masonry in the unit. One fire each day for one hour, for a total of two days..
EARTHSTONE OVENS PRE-ASSEMBLED INSTALLATION INSTRUCTIONS---U.L. LISTED
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ALL CLEARANCES SPECIFIED ARE
THE MINIMUM REQUIRED AIR SPACES
COMBUSTIBLES
3"MIN.
HOOD
3"MIN.
105"
80"
OUTSIDE DIAMETER
MODEL 60 - 33” X 32”
MODEL 90 - 50", MODEL 110 - 58"
MODEL 130 - 70”, MODEL 160 - 86"
FOR COMMERCIAL USE ONLY
Figure 2
U.M.C. & N.F.P.A.
Figure 1
3"MIN.
COMBUSTIBLES
1"MIN.
1"
MIN.
HOOD
COMBUSTIBLES
FEED
OPENING
1"MIN.
48"
MIN.
48"
MIN.
1" MIN.
Any adjacent combustible floor which projects
in front of the oven opening must be a minimum
of 30 inches away from each side of the door
opening and 36 inches from the front of the
door opening.
FOR COMMERCIAL USE ONLY
Figure 3
U.M.C. & N.F.P.A.
Figure 4
WARNING: DO NOT PACK REQUIRED AIR SPACES
WITH INSULATION OR OTHER MATERIALS.
EARTHSTONE OVENS PRE-ASSEMBLED INSTALLATION INSTRUCTIONS---U.L. LISTED
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GREASE HOOD
MODELS 130 AND 160
MODELS 90 AND 110
7”
7”
FIGURE 16
EARTHSTONE OVENS PRE-ASSEMBLED INSTALLATION INSTRUCTIONS---U.L. LISTED
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ALL MODELS
22"
10”
37”
OVERALL EXHAUST HOOD DIMENSIONS ARE MINIMUMS.
SECTION
FIGURE 17
Oven stand
Base plate
Ramset red
heads (typ.)
Embed 2 1/2”
min.
4” to 6”
conc. Floor
slab
FIGURE 17-A
EARTHSTONE OVENS PRE-ASSEMBLED INSTALLATION INSTRUCTIONS---U.L. LISTED
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DIRECT VENTING
FOR ORDERING PARTS MENTIONED ON THIS PAGE CONTACT EARTHSTONE OR YOUR
SUPPLIER. Tel: 800-840-4915- 818-553-1134
MODELS 90 & 110 USE 6 INCH INSIDE DIAMETER GREASE DUCT
MODELS 130 & 160 USE 8 INCH INSIDE DIAMETER GREASE DUCT
30” min.
FIGURE 18
GREASE DUCT HEATING APPLIANCE CHIMNEY ATTACHED TO PRIMARY HOOD
THIS DIAGRAM GENERALLY DEPICTS THE INSTALLATION REQUIRED TO MAINTAIN THE U.L. LISTING OF THE OVEN
FOR THIS TYPE OF VENTING APPLICATION.
FOR SPECIFIC INSTALLATION REQUIREMENTS REFER TO SELKIRK METALBESTOS MODEL IPS GREASE DUCT
INSTALLATION 8. MODEL PS AND IPS GREASE DUCT COMPLIES WITH NFPA, SBCCI, ICBO AND BOCA WHEN
PROPERLY INSTALLED PER ITS INSTALLATION INSTRUCTIONS.
CONTACT LOCAL AUTHORITY HAVING JURISDICTION REGARDING FIRE RATED DUCT SHAFT.
NOTE: OTHER U.L. LISTED SYSTEMS MAY BE SUBSTITUTED FOR THE METALBESTOS SYSTEM DEPICTED
IN THIS DIAGRAM. TO MAINTAIN THE U.L. LISTING OF THE OVEN THE SYSTEM MUST BE A U.L. LISTED
GREASE DUCT WHICH IS ALSO A U.L. LISTED BUILDING HEATING APPLIANCE CHIMNEY INSTALLED IN
ACCORDANCE WITH THE MANUFACTURER'S GREASE DUCT INSTALLATION INSTRUCTIONS.
EARTHSTONE OVENS PRE-ASSEMBLED INSTALLATION INSTRUCTIONS---U.L. LISTED
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RESIDENTIAL DIRECT VENTING
FOR ORDERING PARTS MENTIONED ON THIS PAGE CONTACT EARTHSTONE 800-840-4915 OR YOUR
SUPPLIER.
MODELS 60 & 90 & 110 USE 6 INCH INSIDE DIAMETER GREASE DUCT/BUILDING HEATING
APPLIANCE CHIMNEY
CHIMNEY ROUND TOP (P-CT)
STORM COLLAR (SC-C1)
FLASHING
ROOF BRACE KIT (RBK) IF REQUIRED
FIGURE 18
GREASE DUCT HEATING APPLIANCE CHIMNEY ATTACHED TO PRIMARY HOOD
THIS DIAGRAM GENERALLY DEPICTS THE INSTALLATION REQUIRED TO MAINTAIN THE U.L. LISTING OF THE OVEN
FOR THIS TYPE OF VENTING APPLICATION.
FOR SPECIFIC INSTALLATION REQUIREMENTS REFER TO SELKIRK METALBESTOS MODEL IPS GREASE DUCT
INSTALLATION 8. MODEL PS AND IPS GREASE DUCT COMPLIES WITH NFPA, SBCCI, ICBO AND BOCA WHEN
PROPERLY INSTALLED PER ITS INSTALLATION INSTRUCTIONS.
CONTACT LOCALAUTHORITY HAVING JURISDICTION REGARDING FIRE RATED DUCT SHAFT.
NOTE: OTHER U.L. LISTED SYSTEMS MAY BE SUBSTITUTED FOR THE METALBESTOS SYSTEM DEPICTED
IN THIS DIAGRAM. TO MAINTAIN THE U.L. LISTING OF THE OVEN THE SYSTEM MUST BE A U.L. LISTED
GREASE DUCT WHICH IS ALSO A U.L. LISTED BUILDING HEATING APPLIANCE CHIMNEY INSTALLED IN
ACCORDANCE WITH THE MANUFACTURER'S GREASE DUCT INSTALLATION INSTRUCTIONS.
EARTHSTONE OVENS PRE-ASSEMBLED INSTALLATION INSTRUCTIONS---U.L. LISTED
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WOOD-FIRED PIZZA OVEN
OPERATING INSTRUCTIONS
WARNING:
READ ALL INSTRUCTIONS CAREFULLY. IMPROPER USE OF THIS APPLIANCE MAY RESULT IN A
BUILDING FIRE OR PERSONAL INJURY. INSTRUCTIONS MUST BE READ AND THOROUGHLY
UNDERSTOOD BY ALL OPERATING AND SUPERVISING PERSONNEL. WATCH TRAINING VIDEO
FOR VISUAL OPERATION INSTRUCTIONS.
THIS OVEN IS INTENDED FOR ATTENDED OPERATION BY TRAINED AND QUALIFIED
PERSONNEL ONLY.
THIS OVEN IS A HEAT PRODUCING APPLIANCE AND MAY CAUSE SEVERE BURNS IF TOUCHED.
DO NOT OVERFIRE. IF FLAME SPILLS FROM THE DOOR OPENING OR OVEN TEMPERATURE
EXCEEDS 1000 DEGREES FAHRENHEIT, YOU ARE OVERFIRING.
THIS UNIT IS DESIGNED AS A WOOD-FIRED OVEN. DIRECT FOOD CONTACT WITH HEARTH IS
RESTRICTED TO PIZZA AND BREAD PRODUCTS ONLY. FOR OTHER FOODS REFER TO
MANUFACTURE.
KEEP A PROPER FIRE EXTINGUISHER CLOSE TO THE OVEN AT ALL TIMES. EXTINGUISHER
MUST BE RATED FOR USE ON WOOD FIRES. INSTRUCT ALL PERSONNEL ABOUT LOCATION
AND USE OF THE FIRE EXTINGUISHER AND PROPER FIRE EMERGENCY PROCEDURES.
1.
The first six fires should be small in order to properly cure the masonry in the unit. One fire each day for
one hour, for a total of six days. DO NOT USE PRODUCTS NOT SPECIFIED FOR USE WITH THIS
OVEN. Maintain a minimum clearance of 36 inches in front of oven to combustible materials.
2.
In case of out of control fire close door tightly. Model No. 130.
CAUTION--AVOID POSSIBLE HAZARDOUS FLARE-UPS AND SMOKE SPILLAGE.
WHEN
REMOVING DOOR FROM IN FRONT OF DOOR OPENING, SLIDE DOOR OUT 2-3 INCHES FROM
OPENING AND THEN WAIT 15 SECONDS BEFORE REMOVING DOOR COMPLETELY. FLARE-UPS
CAN OCCUR WHEN DOOR IS OPENED SUDDENLY. KEEP FACE AND HANDS AWAY FROM
DOOR OPENING.
3.
4.
Burn only seasoned or dried untreated solid wood fuel in the oven. DO NOT BURN OTHER FUELS IN
THE OVEN. DO NOT BURN CHARCOALS, COALS, TRASH/GARBAGE OR MANUFACTURED
LOGS (PROCESSED SOLID FUEL).
Firewood stored in the vicinity of the oven must be kept in a tightly-closed metal container; see
maintenance Instructions and NFPA 96. Keep firewood container closed at all times when not adding or
removing firewood. Keep container a considerable distance from the oven and far away from sources of
heat or ignition. DO NOT store matches, paper or other easily ignited items with firewood.
5.
Provisions must be made to supply sufficient combustion air into the structure when using this appliance.
Combustion air must be supplied in accordance with local codes and the Uniform Mechanical Code and
NFPA 96.. Exhaust hood and make-up air blowers must be "ON" at all times during firing of the oven. If
the exhaust hood power ventilator fails, close oven door to extinguish the fire and prevent temperature
buildup in the hood duct which can activate the emergency fire suppression system.
6.
7.
Use only non-combustible hearth tools and cooking implements inside the oven. Store implements well
away from all combustible materials in a proper fixture which will capture any ashes or hot coals which
may be carried out of the oven on the implements.
The fire should be built directly on the hearth; DO NOT elevate fire.
FIRING OVEN- NOTE: OVEN DOOR SHOULD BE REMOVED WHEN FIRING THE OVEN.
EARTHSTONE OVENS PRE-ASSEMBLED INSTALLATION INSTRUCTIONS---U.L. LISTED
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8.
a-
b-
Before starting, turn "ON" exhaust fan and make-up air blowers.
Place a small amount of wood and kindling on the hearth over a fire-starter block. Light fire-
starter. At any time do not use more than four pieces of wood,
c-
CAUTION: NEVER USE GASOLINE TYPE LANTERN FUEL, KEROSENE, CHARCOAL
LIGHTER FLUID OR SIMILAR PRODUCTS TO START OR "FRESHEN UP" A FIRE IN
OVEN. KEEP ALL SUCH LIQUIDS WELL AWAY FROM THE OVEN WHEN IN USE.
THIS
d.
e-
f-
When the kindling is burning well, add larger pieces of firewood. USE WELL-SEASONED OR
DRIEDWOOD ONLY.
Continue to add fuel as needed to maintain the desired heated rate, being careful to never
overfire the unit.
Whenever fuel is added, the fire may be poked and stirred with a wood handling tool. This will
allow air to move through the fuel bed for proper combustion.
g-
When oven is heated to cooking temperature, move wood and ash to the rear and sides of the
oven to clear the hearth for cooking product. Insert ash barrier in front of burning wood. This is
to separate the cooking area from the ash and wood. Clean cooking area as described in the
DISPOSAL OF ASHES section before commencing cooking procedures. Food must be placed
on an appropriate cooking pan before being set into the oven.
h-
When finished cooking, spread remaining embers on the floor of the oven hearth. Close door
against door opening. This will clean the oven floor.
9.
CAUTION: Many structure fires have resulted when a fire has been left unattended for an extended
period of time such as when "Banking" a fire for a long overnight burn. This oven is intended for
attended operation only. Trained personnel must attend and closely supervise the oven at all times
during firing.
DO NOT LEAVE AN UNATTENDED FIRE IN THE OVEN. CLOSE DOOR TIGHTLY AND WAIT UNTIL
FIRE IS EXTINGUISHED BEFORE LEAVING UNIT UNATTENDED.
10.
11.
12.
Always keep the area around the unit clear of combustible objects.
Read Maintenance Instructions.
File these instructions for future reference.
MAINTENANCE INSTRUCTIONS
WARNING:
READ ALL INSTRUCTIONS CAREFULLY. IMPROPER USE OR MAINTENANCE OF THIS APPLIANCE
MAY RESULT IN A BUILDING FIRE OR PERSONAL INJURY.
1. Always keep area around the unit clean and clear of all combustible materials. Keep all furnishings, fuel and
other combustible objects a considerable distance away from the oven hearth.
2. DISPOSAL OF ASHES—Ashes from Ash Pan should be placed in a metal container with a tight-fitting lid. The
closed container should be placed on a non-combustible floor or on the ground, well away from all combustible
materials, pending final disposal. If the ashes are disposed by the burial in soil or otherwise locally dispersed,
they should be retained in the closed container until all cinders have thoroughly cooled. After ashes have been
removed mop down hearth with clean damp cloths.
EARTHSTONE OVENS PRE-ASSEMBLED INSTALLATION INSTRUCTIONS---U.L. LISTED
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3.
4.
Store wood in a cool, dry place well away from any source of flame or heat. If stored outside, keep the
fuel covered to protect from rain or snow. If stored inside, fuel should be kept in a covered metal
container at least 6 inches above the floor. Keep paper, rags and other easily ignited materials away
from wood fuel. Refer to NFPA 96 for wood storage procedures.
At least at the end of each shift the area around the unit must be thoroughly cleaned of all wood, wood
shavings, embers, ashes and other refuse. All mats (if present, mats must be non-combustible) must be
picked up and carefully swept along with the floor during this clean up. After clean up around the unit,
brooms should be thoroughly wet down to extinguish hot coals, then stored well away from combustible
materials.
5.
Creosote - Formation and need for removal
When wood is burned slowly, it produces tar and other organic vapors, which combine with expelled
moisture to form creosote. The creosote vapors condense in the relatively cool oven flue and exhaust
hood of duct, particularly a slow burning fire. As a result, creosote residue accumulates on the flue lining
and exhaust hood. When ignited, this creosote makes an extremely hot fire.
The oven flue, exhaust duct and power ventilator should be inspected at least twice monthly during
normal use to determine if creosote buildup has occurred. If creosote and/or grease has accumulated, it
should be removed to reduce the risk of fire. Experienced chimney and duct servicing personnel who
are qualified in the removal of both creosote and grease from flues and ducts should be contracted to do
the inspection and cleaning. The inspection and cleaning schedule must be adjusted as needed to
prevent the buildup of creosote and/or grease. More frequent inspections and cleanings are indicated
when excessive buildup occurs between regular inspections. The rate of accumulation can increase
whenever 1) there is a change in the use of the oven 2) when the type or moisture content of the
firewood changes 3) when other variables change.
The oven, exhaust hood and grease filters should be cleaned on a daily basis. The Grease filters can be
removed and cleaned in a dishwasher or sink. Refer to the NFPA 96 requirements and the Exhaust
Hood or Grease Duct manufacturer's instructions for inspection, maintenance and cleaning of the venting
system.
DO NOT CLEAN UNIT, HOOD OR VENT WHILE HOT OR WHILE OVEN IS BEING FIRED.
6.
The entire unit and vent system should be inspected frequently for proper fit, operation and soundness of
parts. If any malfunctioning parts, leakage, deterioration, or other problems are noted, contact your
dealer to inspect and repair the unit, or qualified ventilation repair service to inspect and repair the vent
system. DO NOT OPERATE THE UNIT IF INSTALLED OR FUNCTIONING IMPROPERLY.
7.
8.
9.
All maintenance must be performed by qualified personnel.
Refer to NFPA 96 for procedures for inspection, cleaning and maintenance for solid fuel cooking.
SERVICE OF OVEN TEMP. MONITORING EQUIPMENT
0
0
A)
B)
C)
Replace with Temp. gauge rated 6-14 VDC, Temp. range -58 F to 932 F. (Ex. Tech
Instrumentation Model D-35)
Replace AC adapter with U.L. listed plug-in class 2 transformer rated input 120 VAC, 60 HZ,
9 Watts, output 9 VDC, 200 Ma.
Replace Thermocouple with a metal sheathed Type-"K" thermocouple, Min. 6 ft.
10. Save these instructions for future reference.
EARTHSTONE OVENS PRE-ASSEMBLED INSTALLATION INSTRUCTIONS---U.L. LISTED
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Type-I Exhaust Hood Installed per NFPA 96
**IT IS NEVER APPROPRIATE TO USE “CLASS A” OR
“B VENT” IN ANY PART OF THE EXHAUST SYSTEM
EXHAUST SYSTEMS SERVING SOLID-FUEL
EQUIPMENT MAY NOT BE COMBINED WITH
EXHAUST SYSTEMS SERVING OTHER
For Models 90 and 110
36” MIN
For Models 130 and 160
40” MIN
(NON-SOLID FUEL) COOKING EQUIPMENT
Grease filters must be placed at the rear of the hood
and must be of the steel baffle type (No mesh filters).
22”
Front of hood must be at least 10 inches from
the front of the oven face.
Face of the filter must be 42 inches from oven
hearth per UMC or 48 inches per NFPA 96
Sides of the hood must extend a min. of 6 inches to
either side of the oven door opening.
3 inch min. clearance between the hood and any
combustible material.
37”
Grease filters
10”
EARTHSTONE OVENS PRE-ASSEMBLED INSTALLATION INSTRUCTIONS---U.L. LISTED
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CLEARANCE INFORMATION FOR FACADES
1 inch minimum clearance to combustibles
Facade
Flue Collar
Models 90 and 110 - 6 inch diameter
Models 130 and 160 - 8 inch diameter
Air gap must be sealed with a non
combustible strip. e.g. Aluminum or s/s
Any adjacent combustible floor which projects
in front of the oven opening must be a
minimum of 30 inches away from each side of
the door opening and 36 inches from the front
ofthe door opening.
36”
30”
On/off switch for gas burner
Temperature gauge
Do not block the notch exhaust port or the
underside of the primary hood.
1 inch minimum
clearance to
combustibles
Granite mantle
Burner control box, for PAGW models only. Adequate
clearance must be provided for air openings into the
combustion chamber for servicing and proper
operation. Minimum 24” x 24” located on the bottom half
of the oven. Installing a sealed enclosure around the oven
shell may also cause improper operation by starving the
burner system of combustion air. Also the use of return air
or other venting systems located within sealed enclosures
which surround the oven maycause negative pressure.
If this area is to be covered with a facade it
must be of a non-combustable material.
Temperature gauge and On/off switch can be
extended to attach over facade.
EARTHSTONE OVENS PRE-ASSEMBLED INSTALLATION INSTRUCTIONS---U.L. LISTED
16
IMPORTANT: PLEASE READ
FOR GAS FIRE OR GAS/WOOD COMBINATION OVENS ONLY
Combustion air intake procedures and installation
Proper installation:
Roof
Roof
Air flow
Air flow
Air flow
Air flow
False Ceiling
False Ceiling
24”x24” opening needed for
combustion air. Only one intake
should be installed located in the
front or back of oven.
24”x24” opening needed
for combustion air. Only
one intake should be
Air flow
Air flow
Gas Burner system
Gas Burner system
Improper Installation:
1) No air intake opening for burner
Roof
Air flow
Air flow
Ceiling
Blocked air intake
Air flow
In this case a 24”x24” opening will be needed for proper air combustion.
EARTHSTONE OVENS PRE-ASSEMBLED INSTALLATION INSTRUCTIONS---U.L. LISTED
17
Improper Installation (cont)
2) Oven is not closed to plenum/attic and is open to HVAC airflow.
Roof
Air flow
Air flow
Ceiling
Installing a sealed enclosure around the oven
shell may cause improper operation by
starving the burner system of combustion air.
The air flow which travels above will cause
“negative pressure” below where the gas
burner is located. The air underneath will travel
towards the air flow above creating a suction
which will force the gas flame downwards. To
prevent this a non-combustable lid must be
placed above the oven.
Air flow
3) Altered airflow from air intake in a separate room with low pressure.
Roof
Air flow
Air flow
Ceiling
Low pressure is created
by HVAC or any air moving
equipment outside oven
room
Air flow to oven is altered as air
moves from normal to low
pressure
Air Intake
Air Intake
Air flow
In this case the air intake located on the rear of the oven should be closed.
EARTHSTONE OVENS PRE-ASSEMBLED INSTALLATION INSTRUCTIONS---U.L. LISTED
18
NOTICE
Expansion cracks, due to the refractory mass, are normal in the front
entrance and on any interior surface. This will not effect the
performance, efficiency and longevity of the oven in any way.
Cut view of inside oven
Expansion crack
Wall pieces
Dome
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