EarthStone Indoor Fireplace woofire oven User Manual

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  
14  
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  
15  
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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