Mugnaini PRIMA 100 AOS Construction Manual
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Mugnaini PRIMA 100 AOS Construction Manual

Italian wood-fired oven
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Masonry Assembled
MODEL: PRIMA 100 AOS
RESIDENTIAL WOOD FIRED OVEN
PRIMA 100 ASSEMBLY ON SITE/MASONRY
CONSTRUCTION MANUAL
I TA L I A N WO O D - F I R E D OV E N
Includes: Venting and Oven Curing Instructions
Mugnaini Residential Wood-Fired Ovens have been tested
to: UL 737–2007 / ULC S629
UL 737
ANSI-Z21.89
UL 737
ANSI-Z21.89
ANSI/NSF-4
ANSI/NSF-4
ULC S629
CAN/CGA-1.18
ULC S629
CAN/CGA-1.18
Mugnaini Imports, Inc. • 1530 Grove Street, Healdsburg, CA 95448
main: (707) 416-4106 • toll free: (888) 887-7206 • fax: (707) 857-7177
mugnaini.com • mugnaini@mugnaini.com

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Summary of Contents for Mugnaini PRIMA 100 AOS

  • Page 1 UL 737–2007 / ULC S629 UL 737 ANSI-Z21.89 UL 737 ANSI-Z21.89 ANSI/NSF-4 ANSI/NSF-4 ULC S629 CAN/CGA-1.18 ULC S629 CAN/CGA-1.18 Mugnaini Imports, Inc. • 1530 Grove Street, Healdsburg, CA 95448 main: (707) 416-4106 • toll free: (888) 887-7206 • fax: (707) 857-7177 mugnaini.com • mugnaini@mugnaini.com...

  • Page 2: General Information

    This construction manual contains information regarding the construction of a support base and assembly of your PRIMA 100 AOS Oven. The foundation and base provide a support structure for the oven and serve as a wood storage compartment. Concrete masonry units (CMU’s), cast-in-place concrete or similar materials are typically used to construct the base on a poured-in-place, reinforced concrete foundation.

  • Page 3: Table Of Contents

    Fire Starting Tools ..............................23 Using The Door ............................... 24 How to Measure Oven Temperature ....................... 25 Starting a Fire ................................26 Curing The Oven ..............................26 Curing Schedule ..............................30 6. LIMITED WARRANTY ............................... 31 Prima 100 AOS Manual Mugnaini Imports, Inc.

  • Page 4: Introduction

    INTRODUCTION The following is intended to be used as a general reference for the installation of the Mugnaini “PRIMA 100” wood-burning oven, and more specifically for those individuals (like yourself, your architect, or your contractor) who will be involved with the design and the construction of your oven.

  • Page 5: Constructing The Oven Base

    5’9” in height. If elevation adjustments are desired, modify the height of the lower base only (the wood storage area). Contractor to verify height of final installation with the owner. (wood storage area) Prima 100 AOS Manual Mugnaini Imports, Inc.
  • Page 6 #4 rebar for a front shelf 10” deep x 32 ½” wide (minimum--wider if preferred) as support for shelf. Pour a leveled 3” concrete slab on top of the rosin paper and sand base. Once cured, go to Section 3 — Oven Assembly. Prima 100 AOS Manual Mugnaini Imports, Inc.
  • Page 7 Method: Install the burner sleeve within the first form above the block work (Step 3 above). The burner box & tube extends through the first concrete slab, through sand bed (Step 4 above), secondary slab (Step 5 above) and ultimately the firebrick floor. 14” 30” Prima 100 AOS Manual Mugnaini Imports, Inc.

  • Page 8: Oven Assembly

    DO NOT mortar or grout in between the floor element joints. Due to the handmade characteristics of this product, a 1/8” gap may exist between floor elements. The natural gap between floor elements is designed to allow for thermal expansion. Prima 100 AOS Manual Mugnaini Imports, Inc.

  • Page 9: Step 3 - Crown Assembly

    A small gap of roughly ¼”– ½” will also exist between the oven floor and crown elements. STEP 4 – MORTARING CROWN BASE Wet sponge joints. Apply refractory mortar to the outside base of crown elements. (Approximately 3” wide x ½” thick over the outside perimeter). Prima 100 AOS Manual Mugnaini Imports, Inc.

  • Page 10: Step 5 - Mortaring Crown Joints

    Place flue manifold on arch and mark fro screws. Drill 2 holes with masonry bit (1/8”w – 1 ¼”d). Attach flue manifold with provided screws. Mortar base of metal manifold (½” – 2”). Note: Ensure the flue manifold is level on top of crown elements. Prima 100 AOS Manual Mugnaini Imports, Inc.

  • Page 11: Step 7 - Insulation

    STEP 8 – OVEN VENTING Based on the overall oven design and architecture, each chimney system will vary. Contact your local licensed chimney or mechanical contractor. See pg. 17 for “Oven Venting Instructions”. Prima 100 AOS Manual Mugnaini Imports, Inc.

  • Page 12: Enclosing The Oven

    ENCLOSING THE OVEN Your Mugnaini Oven is now ready for the final step of the construction process – which relies entirely on your level of creativity and desired architectural effect. The oven enclosure protects the oven from atmospheric moisture, supplies ventilation to the oven (so that condensation does not occur within the compartment), and retains the insulating materials placed over and around the oven crown itself.

  • Page 13: Gable Shaped Enclosure

    ½” plywood. Place a 2” diameter metal weatherproof air vent on the back near the top of your structure. You may use nonflammable roofing materials of your choice. (e.g. Slate, Roof Tiles, Metal etc.) Prima 100 AOS Manual Mugnaini Imports, Inc.
  • Page 14 #4 cont. Sample footing – check with local building codes for 12” required footing size. min. 4” aggregate base P RI MA 100 S EC T IO N S AMPLE DIMENS IO NS Prima 100 AOS Manual Mugnaini Imports, Inc.

  • Page 15: Dome Shaped Enclosure

    Perlite granules. Place a 2” diameter metal weatherproof air vent on the back near the top of your structure at the chimney to prevent condensation within the oven enclosure. Prima 100 AOS Manual Mugnaini Imports, Inc.
  • Page 16 After second coat of stucco has cured, you may now paint or use finished stucco coat. NOTE: If placing the oven under an overhang or patio structure follow local Building Codes and Fire Marshall requirements for passing the chimney through combustible ceilings. Prima 100 AOS Manual Mugnaini Imports, Inc.
  • Page 17 PRI MA 100 D OME S EC TI ON S AMP L E D I M EN S I ON S The intent of the enclosure is to ensure that the oven components and the insulation materials are kept dry. Please follow required local building practices. Prima 100 AOS Manual Mugnaini Imports, Inc.

  • Page 18: Oven Venting Instructions

    OVEN VENTING INSTRUCTIONS Residential Model Wood-Fired Ovens OVERVIEW Your Mugnaini wood-fired oven has been listed to the UL Standard for Safety for Fireplace Stoves, UL 737 8th edition. These requirements cover fireplace stoves that are freestanding assemblies having fire chambers intended to be operated open to the room with the door either open or closed.

  • Page 19: Recommended Chimney Pipe

    • Direct vent by connecting the oven flue outlet to a 8-inch diameter listed chimney rated for use as a 2100° F chimney system. Chimney must terminate to an approved spark arrestor. • Your Mugnaini wood-fired oven was evaluated to meet the fire safety standards of UL 737-Eighth Edition by Intertek Testing Laboratories, ETL Listing Report #J20020124 www.interteksemco.

  • Page 20: Elbow Offset Chart

    48” + 6” 29 3/4” 60 1/2” 30° 63 1/8” 48“+ 9” 31 1/4” 30° 48“+ 12” 32 3/4” 65 3/4” 30° 71” 48“+ 18” 35 3/4” 30° 48“+ 24” 38 3/4” 76” 30° Prima 100 AOS Manual Mugnaini Imports, Inc.

  • Page 21: Precautions

    • UL 103 chimneys are available in double wall or triple wall pipe and various lengths in 6” increments. • Only 15° or 30° elbows are available. • An anchor plate is used as the starter piece and is to be installed per Mugnaini oven installation instructions.

  • Page 22: Curing A Wood-Fired Oven

    CURING YOUR MUGNAINI WOOD-FIRED OVEN This section covers the following Mugnaini series models: Piccolo 80 Medio 100 Medio 110 Prima 100 Prima 120 ♦ ♦ ♦ ♦ READ ALL INSTRUCTIONS BEFORE STARTING A FIRE AND CURING YOUR OVEN FOR USE WITH SOLID WOOD FUEL ONLY WARNING FOLLOW THE COMPLETE CURING SCHEDULE BEFORE COOKING IN THIS OVEN.

  • Page 23: Instructions

    OVEN CURING INSTRUCTIONS Your Mugnaini wood-fired oven is made from Refrattari Cotto or refractory clay. The water used to form the clay must be cooked out before your oven can be put into use. Curing is the process of slowly heating an oven to first drive out the moisture from the oven components and surrounding mass, and then to temper the oven dome.

  • Page 24: Using The Door

    Exteriorly this will help keep the melted snow or excessive rainfall from draining into the oven. Storm doors are available through Mugnaini. See video for oven door usage under “Resources” on Mugnaini website. Prima 100 AOS Manual Mugnaini Imports, Inc.

  • Page 25: How To Measure Oven Temperature

    HOW TO MEASURE OVEN TEMPERATURE Mugnaini wood-fired ovens will self regulate based on the size of the flame and the floor temperature. We measure temperature inside a wood-fired oven with an infrared thermometer for accuracy. By checking the floor temperature, using visual cues and flame size we can create distinct repeatable oven environments for different styles of cooking.

  • Page 26: Starting A Fire

    Prior to starting the next fire, open the door slowly and measure the temperature of the sides of the dome paying attention to use the same spot each time you measure. Average left and right side temperatures and record on the chart. Prima 100 AOS Manual Mugnaini Imports, Inc.
  • Page 27 After the fire goes out, place the door through the arch into the fully closed position. The door should stay in place unit the next day’s fire. Piccolo 80 Medio 100 Medio 110 Prima 100 Prima 120 ♦ ♦ ♦ ♦ Prima 100 AOS Manual Mugnaini Imports, Inc.

  • Page 28: Do Not Over Fire

    IF FLAMES EXTEND BEYOND THE OVEN DOOR OPENING AND UP THE EXHAUST FLUE – YOU ARE OVER FIRING THE OVEN. CONGRATULATIONS —you have fully cured your pizza oven! You can now fire your oven as per the operating instructions and start cooking. Prima 100 AOS Manual Mugnaini Imports, Inc.

  • Page 29: Helpful Tips

    Use the metal peel to shovel the ashes out of the oven. TECHNICAL ASSISTANCE We want your experience to be rewarding. Please call the office at 888.887.7206 if you have any questions or need help understanding these steps. Prima 100 AOS Manual Mugnaini Imports, Inc.

  • Page 30: Curing Schedule

    DAY 1 DAY 2 Time Temperature Time Temperature Target 250° F maximum Target 400° F maximum DAY 3 DAY 4 Time Temperature Time Temperature Target 600° F maximum Target Burn off all soot Prima 100 AOS Manual Mugnaini Imports, Inc.

  • Page 31: Limited Warranty

    Oven, related equipment, and accessories; (b) To any Oven, or related equipment or accessory, that is improperly installed or maintained; (c) To products resold in other than Mugnaini original packaging or to Ovens modified or altered by the Original Purchaser;...
  • Page 32 Warranty Period by Mugnaini or its authorized representative. Any and all rights under this warranty or at law of Original Purchaser against Mugnaini shall terminate and be void in the event Warranty Claims are not submitted within the time set forth in the immediately preceding sentence. Such Warranty Claims must be in writing and include the Oven type, the model and serial number of the Oven, the purchase date and a full description of the circumstances giving rise to the Warranty Claim.
  • Page 33 Original Purchaser can be reached. Mugnaini will review each notice and respond to the Original Purchaser in an effort to settle such dispute. Under federal law, no lawsuit may be initiated unless and until the dispute settlement procedures outlined in this warranty have been exhausted.

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