Stuv 21-95 SF Installation Manual
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Stuv 21-95 SF Installation Manual

Stuv 21-95 SF Installation Manual

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Important: UNLOCK the door and remove all items before installing
These products are tested in accordance with AS/NZS 2918:2001. All installations must be carried out by an S.F.A.I.T (Solid Fuel Authorised Technician).
In New Zealand, the Stûv 21 must be bolted to the base to comply with the seismic restraint provisions of AS/NZ 2918:2001
REQUIRED TOOLS
Grinder
Hammer
Knife with
Measuring
retractable blade
tape
Level
Impact driver
STÛV 21
INSTALLATION MANUAL
Keep these instructions for future reference
REQUIRED HARDWARE
5
mm
Crowbar
5 mm
hex socket
#2
No. 2
Cutting pliers
square bit
T20
Flat screwdriver
Torx 20 bit
8
10
mm
mm
8 mm
10 mm
hex socket
hex socket
PH2
5
mm
No. 2
5 mm
phillips bit
hex bit
T25
T30
Torx 25 bit
Torx 30 bit
REQUIRED MATERIAL
12mm or 18mm non
Metal framing
combustible board e.g
Promatect H
75mm Hebel or
Floor and wall
finishing
40mm Skamotec
Stûv handle
No. 8
Wood screws
NZ
Protective fabric
or cardboard
Construction wood
Flue kit

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Summary of Contents for Stuv 21-95 SF

  • Page 1 STÛV 21 INSTALLATION MANUAL Keep these instructions for future reference Important: UNLOCK the door and remove all items before installing These products are tested in accordance with AS/NZS 2918:2001. All installations must be carried out by an S.F.A.I.T (Solid Fuel Authorised Technician). In New Zealand, the Stûv 21 must be bolted to the base to comply with the seismic restraint provisions of AS/NZ 2918:2001 REQUIRED TOOLS REQUIRED HARDWARE...
  • Page 2 COMBUSTION TECHNIQUE & AIR CIRULATION STÛV 21 1. Combustion air. Illustration with direct air intake under the stove. The outside air intake can also be located at the rear of the stove. 2. Combustion. The air intake, the combustion chamber and smoke exhaust form an airtight system.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS REQUIRED HARDWARE REQUIRED HARDWARE CERTIFICATION INSTALLATION Wood selection Safety Instructions Unpacking Marking labels Option: Adjustable stands Do not use Firescreen Option: Airtight box Door and pulleys Starting the fire Reloading the fire Preparing for convection Ash Removal Leveling the unit Interior of combustion chamber Convection installation...

  • Page 4: Certification

    CERTIFICATION SAFETY INSTRUCTIONS ........................5 TECHNICAL SPECIFICATIONS ......................6 MARKING LABELS ..........................7...

  • Page 5: Safety Instructions

    SAFETY INSTRUCTIONS Tested by Australian Solid Fuel Testing Test Report No - ASFT18044 The Stûv 21 Inbuilt appliance installed with a triple skin flue system, conforms to the requirements of Australian/New Zealand Standard 2918:2001, with respect to floor, side wall and rear wall surface temperatures, when tested in accordance with Appendix B of AS/NZS2918:2001.
  • Page 6 1200mm season). exceed the single burn rate of this unit from the unit’s glass face. TECHNICAL SPECIFICATIONS SINGLE FACE 21-95 SF 21-105 SF 21-125 SF 21-135 SF DOUBLE FACE 21-95 DF 21-125 DF...

  • Page 7: Components

    COMPONENTS L I S T OF COMPONENTS ........................ 9 CONVECTION KIT ........................12 OPTIONAL KITS .......................... 13...
  • Page 8 L I S T OF COMPONENTS SINGLE FACE (SF) DOUBLE FACE (DF) Included Included Option Option STÛV 21 COMPONENTS...
  • Page 9 L I S T OF COMPONENTS 21-95 SF 21-105 SF PRODUCT INCLUDED PRODUCT INCLUDED DESCRIPTION DESCRIPTION CODE OR OPTION CODE OR OPTION Fireplace 10021009 Included Fireplace 10021007 Included Extended Gather 120115047 Included Extend Gather – 250mm Included 12015057 Hebel* Included...
  • Page 10 L I S T OF COMPONENTS 21-95 DF 21-95 DF 21-125 DF FW1002103100 FW1002103000 PRODUCT PRODUCT INCLUDED INCLUDED DESCRIPTION DESCRIPTION CODE CODE OR OPTION OR OPTION Fireplace 10021008 Included Fireplace 10021011 Included Extended Gather- 250mm Extended Gather - 300mm 12015057 Included Included 12015009...
  • Page 11 OPTIONAL ACCESSORIES ADJUSTABLE STAND - 13002000 AIR DAMPER -120020022 To raise the unit For outside air intake Follow the instructions supplied with the air damper. Follow the instructions supplied with the stand. 1" Ø This part is inside 185mm the fireplace 630mm 150mm NOTE...

  • Page 12: Dimensions

    DIMENSIONS SIMPLE FACE ..........................12 DOUBLE FACE ..........................13 CAVITY VENTILATION ........................ 14 FLOOR PROTECTION ........................ 15 FRAMEWORK CHARACTERISTICS ..................16 NON-COMBUSTIBLE MATERIAL CUT-OUT PLAN ..............17 AIR SUPPLY ..........................20 FITTED TELEVISION ........................22 SHELF MADE OF COMBUSTIBLE MATERIAL ................. 22 HEARTH EXTENSION ........................

  • Page 13: Simple Face

    SIMPLE FACE FRONT VIEW SIDE VIEW TOP VIEW BASE VIEW FRONT VIEW 21-95 SF 590 1455 960 683 221 250 1430 21-105 SF 1050 496 1040 1060 515 469 201 200 1245 21-125 SF 1250 563 1295 1260 585 1184 603 221 300 1320 1070 535...

  • Page 14: Double Face

    DOUBLE FACE FRONT VIEW SIDE VIEW TOP VIEW BOTTOM VIEW FRONT VIEW 21-95 DF 1445 1430 21-125 DF 1295 1184 1320 1070 * Masonry only STÛV 21-NZ DIMENSIONS...
  • Page 15 Cavity Venting (REQUIRED) NOTE The cavity must be vented. 2 x 100mm dia. vents or equivalent. Refer to Section 5. pg. 46 for chimney details. STÛV 21-NZ DIMENSIONS...

  • Page 16: Floor Protection

    FLOOR PROTECTION (REQUIRED) FLOOR PROTECTION For the Stûv 21, all materials installed under an d in front of the fireplace must In order to be compliant with AS/NZS2918:2001 floor protection is mandatory. The surface of the floor in front of the unit must be protected by non-combustible be non-combustible to a height of 165mm see below for additional information.

  • Page 17: Framework Characteristics

    2 x cement min. board 12mm * From the bottom of the unit Without the adjustable stand 150mm MODEL A (mm) B (mm) min.* 21-95 SF 1300 1800 NOTE 21-105 SF 1400 1600 D min. 21-125 SF ** C Height Dimension...
  • Page 18 Hebel Cell Dimensions MODEL No. of Hebel Panels Base * Sides Rear Face NOTE 21-95 SF 1300 x 865 1650 x 865 RHS 1650 x 1150 1300 x 865 800 x 1150 No. of Skamotec panels 1650 X 865 LHS...
  • Page 19 No. of Hebel Panels Base* Sides Rear Face MODEL 21-125 SF 1600 x 850 1555 x 850 RHS 1555 x 1450 1600 x 850 1450 x 800 1555 x 850 LHS 21 -135 SF 1700 x 800 1430 x 800 RHS 1430 x 1550 1700 x 800 1550 x 800...
  • Page 20 Hebel Cell Dimensions MODEL No. of Hebel Panels Base Side Rear Face 21-95 DF 1300 x 870 1650 x 870 RHS 1650 x 1150 1300 x 870 800 x 1150 1650 X 870 LHS 21-125 SF 1600 x 870 1555 x 870 RHS 1555 x 1450 1600 x 870 1450 x 800...

  • Page 21: Air Supply

    AIR SUPPLY It is essential to install two Poor airflow in your convection system room air intakes and two should be avoided. Installing the hot hot air outlets in order to 350mm MIN. air outlet in an enclosed or restricted have a natural, functional space, such a s a cabinet box or shelf, is and efficient convection.
  • Page 22 AIR SUPPLY CONVECTION AIR The fireplace is supplied with two types of air: convection air and combustion air. Hot air outlet Heating efficiency is determined by the convection air. COMBUSTION AIR Flue outlet Constant air eva- The air gets warmer cuation prevents The air passes near the back drafts...

  • Page 23: Fitted Television

    FITTED TELEVISION SHELF MADE OF COMBUSTIBLE MATERIAL It is possible to install/fit a TV above the unit, wall hung with mantel is It is possible to install a shelf or decorative object made of combustible material recommended. If a recess is created for this purpose a maximum depth of from 400mm of the top of the unit's opening.
  • Page 24 The adjustable stand an d the two layers of cement board panel under the fireplace are mandatory for this type of installation. MODEL - Hearth A (mm) B (mm) ** C (mm) NOTE 21-95 SF 1170 Two layers of 12mm NCB or 1 x 21-105 SF 1270 18mm are also mandatory under the...

  • Page 25: Risk Area

    RISK AREA The radiation from the firebox is significant. Any combustible object must be placed at a minimum distance of 1200mm by 90° from the face of the firebox to avoid any fire risk. Risk area 45° 45° 1200mm CAUTION - FIRE HAZARD To avoid major da mage , no combustible material should be placed in front of a hot air outlet.

  • Page 26: Installation

    INSTALLATION UNPACKING ..........................25 OPTION: ADJUSTABLE STANDS ................... 28 OPTION: AIRTIGHT BOX ......................30 DOOR AND PULLEYS ........................ 32 PREPARING FOR CONVECTION ....................34 LEVELING THE UNIT ........................37 INTERIOR OF COMBUSTION CHAMBER ................. 38 CONVECTION INSTALLATION ....................42 FINISHING WITHOUT A FRONT PANEL .................. 44...

  • Page 27: Unpacking

    UNPACKING IMPORTANT The paint is not cured. It is therefore fairly fragile, but it will harden after being heated several times. Handle the unit with care when installing. Step 1 Remove the cardboard from the front of the stove [photos 1 & 2]. Step 2 Remove protective strip from window [photo 4].
  • Page 28 [photo 9] for upper baffle kit for lower baffle kit baffle kit L x W x D 21-95 SF 394 x 194 x 29.5 21-105 SF 294 x144 x 29.5 1.5m 304 x 144 x 29.5 21-125 SF 367 x 179 x 29.5...
  • Page 29 UNPACKING Step 10 We recommend that you remove all items from within the combustion chamber to make the stove lighter and easier to move. Step 11 Insert the Stûv handles on the sides of the insulated shell to manipulate the insulated shell. [photo 10]. Once the handles are in place, remove the insulated shell backwards by lifting it up slightly.

  • Page 30: Option: Adjustable Stands

    OPTION: ADJUSTABLE STANDS SECTION NOTE VIEW Follow these instructions for the installation of the adjustable stands. Adjustable stands are highly recommended when installing outside air or simply to raise the unit. fireplace and To calculate the height of the adjustable stands, you will need to know the thickness insulated sheel of all floor components in front an d under the fireplace.
  • Page 31 OPTION: ADJUSTABLE STANDS OPTION : Adjustable Stand Step 17 Cut the adjustable stand with a disc cutter according to the cut-off dimension calculated on the previous page. Step 18 Using a flathead screwdriver, remove the four access squares for the adjustable stands.

  • Page 32: Option: Airtight Box

    OPTION: AIRTIGHT BOX COMBUSTION AIR Linear access to the front of the fireplace feeds the combustion air that will be expelled through the chimney. Option 1 Without airtight box Option 2 The airtight box with an external air inlet an d air damper. NOTICE Refer to the damper manual if this option have been selcted.
  • Page 33 OPTION: AIRTIGHT BOX Step 22 Affix the self-adhesive gasket of the airtight box on the upper rim. Step 23 Using the 3 self-drilling M6 screws provided, secure the short flange to the chosen side. Clamping collar Step 24 Attach the duct to the short flange using a clamping collar.

  • Page 34: Door And Pulleys

    DOOR AND PULLEYS NOTE To avoid d a m a g e to the airtight box, no pressure should be put on it when the fireplace is raised. Step 28 Raise the fireplace to a vertical position on the adjustable stands. Step 29 Hold the door.
  • Page 35 DOOR AND PULLEYS Step 32 Visually inspect the pulley cable to validate it is resting onto the recess of the pulley on both sides (left/right) of the fireplace. This ensures ea se of movement of the glass. Step 33 If it is displaced, replace it onto the recess of the pulley.

  • Page 36: Preparing For Convection

    PREPARING FOR CONVECTION STANDARD INSTALLATION Step 37 Open the box containing the convection kit: 5 x4 CONTENT 2x Aluminium insulated duct 3 x2 2x Aluminium non-insulated duct 2x Flange Ø6’’ X 24 1/2’’ 2x Flange Ø6’’ X 3’’ 4x Maxclip 8x Gear clamp 12x Self-drilling screw 2 x2...
  • Page 37 PREPARING FOR CONVECTION Step 38 Install the two cement boards on the floor in the opening where the fireplace will be installed. Step 39 Even out the surface in front of the fireplace with cement board cuttings so that the fireplace can b e later pushed into the opening.
  • Page 38 PREPARING FOR CONVECTION TOP CONVECTION AIR Step 44 Using a hammer, remove the pre-cut pieces of the top rear openings of the fireplace. Step 45 Using a hammer, remove the pre-cut pieces of the top rear openings of the fireplace. Step 46 Connect a Ø150mm x 620mm long flange to both upper rear exit of...

  • Page 39: Leveling The Unit

    LEVELING THE UNIT Step 59 Using a level, make adjustments a s indicated in the following steps. Step 60 With the adjustable stands, the height adjustment is ma de with a 5 mm Allen key. Turning clockwise raises the fireplace. Step 61 Without the adjustable stands, legs cans be adjusted at the four corners inside the combustion chamber.

  • Page 40: Interior Of Combustion Chamber

    INTERIOR OF COMBUSTION CHAMBER Refractory tightening clips to be installed 21-95 SF 21-105 SF 21-125 SF 21-135 SF PW5010101100 x14 PW5010100800 x20 PW5010100200 (179 x 367 mm) x14 PW5010100800 x23 PW5010213600 (283 x 265mm) x4 (194 x 394 mm) (144 x 294 mm )
  • Page 41 INTERIOR OF COMBUSTION CHAMBER NOTE Refractory brackets an d tightening clips are only provided for the 21-105 SF, 21- 125 SF, and 21-135 SF models. These should only be installed if the back refactory bricks are not tight enough. Step 65 Raise the glass to access the inside of the combustion chamber in order to install refractory bricks 1 an d 2.
  • Page 42 Step 76 Place all vermiculites. If there are three vermiculites, finish with the centre one. MODEL VERMICULITES PW5010203300 x2 21-95 SF (369mm X 307mm) 21-105 PW5010202100 x3 (276mm x 236mm) 21-125 PW5010202300 x3 (346mm X 277mm) STÛV 21...
  • Page 43 INTERIOR OF COMBUSTION CHAMBER NOTE For DF models only. Step 77 Enter the two pointy ends of the baffle support into the notches located on the inside of the fireplace near the doors. The small lip must be torwards the inside of the fireplace.

  • Page 44: Convection Installation

    CONVECTION INSTALLATION Insulated duct NOTE Hose clamp The insulated duct shall be used Grille for the hot air outlets an d the un- insulated duct shall be used for the cold air intakes. Otherwise, it could pose a fire hazard. Step 83 Non-insulated Open the 2 convection air kit...
  • Page 45 CONVECTION INSTALLATION COLD combustible non combustible NOTE framing framing The linear grille is installed differently than standard grilles. installation manual provided with the linear grill. Step 85 Position the framing so that the grille boxes can be installed according to the clearance instructions in the AIR SUPPLY section.

  • Page 46: Finishing Without A Front Panel

    FINISHING WITHOUT A FRONT PANEL NOTE In order to prevent cracks, it is recom- mended to use a single piece of cement board instead of multiple pieces. Protect the fireplace door! Step 89 Cut the 12mm cement board to right size indicated DIMENSIONS section (cavity opening)

  • Page 47: Chimney

    CHIMNEY DIMENSIONS …………………………..................46 INSTALLATION TYPE ........................ 47 FLUE TERMINATION ........................48...
  • Page 48 Minimum height is 4.6M. Flue comes in 1.2M lengths. MODEL Ø int. Ø ext.† MODEL Ø int. Ø ext. † 21-95 SF 21-95 DF 250mm 300mm/350mm 250mm 300mm/350mm 21-105 SF 21-125 DF 200mm...
  • Page 49 INSTALLATION TYPE INSTALLATION DIAGRAM INSTALLATION PROCEDURE WARNING IMPORTANT THE APPLIANCE AND FLUE-SYSTEM SHALL BE INSTALLED IN ACCORDANCE WITH AS/NZS 2918 AND THE APPROPRIATE REQUIREMENTS The following must be adhered to: OF THE RELEVANT BUILDING CODE OR CODES. MIXING OF APPLIANCE OR AS/NZ 2918:2001:4.9.1 FLUE-SYSTEM COMPONENTS FROM DIFFERENT SOURCES OR MODIFYING THE DIMENSIONAL SPECIFICATION OF COMPONENTS MAY RESULT IN...

  • Page 50: Flue Termination

    FLUE TERMINATION CAUTION If fitting a cladding system to the double sided models creating a freestanding installation, please use THE FLUE TERMINATION POSITIONS ARE THE MINIMUM REQUIRED AS PER NZS the following freestanding flue system. 2918:2001. IT IS POSSIBLE THAT FLUE HEIGHTS MAY NEED TO BE INCREASED AS A RESULT OF CONFLICTING AIR PRESSURE ENVELOPES THAT MAY DEVELOP OVER SOME ROOFLINE SHAPES AND SURROUNDING OBSTRUCTIONS.
  • Page 51 WOOD SELECTION ........................50 DO NOT USE ..........................51 STARTING THE FIRE ........................52 RELOADING THE FIRE........................ 53 ASH REMOVAL ........................... 53...

  • Page 52: Use

    WOOD SELECTION WOOD TYPES Humidity level Wood types Ash and beech are recommended a s firewood a s they dry quickly an d are easy to find. They must be stored under a shelter immediately after being cut an d split, otherwise they rot very quickly an d lose their calorific value.

  • Page 53: Do Not Use

    DO NOT USE CAUTION - NOT TO BE USED Burn only firewood. Do not burn: • Garbage • Lawn clippings, garden waste or unseasoned wood • Materals containing plastic, petroleum-based products, gasoline, liquid fuel or rubber, including tires • Waste petroleum products, paints or paint thinners, or asphalt products •...

  • Page 54: Starting The Fire

    STARTING THE FIRE outside temperature In case of a chimney fire CAUTION higher than inside Read the safety instructions on p ages Call the fire department temperature, load more paper 5 an d 6 before using your fireplace. Put out the fire with a type A or an d more kindling to properly Upon first use, some smoke or odours ABC extinguisher (powder, foam...

  • Page 55: Reloading The Fire

    RELOADING THE FIRE Step 1 Slowly slide the glass upwards to prevent a back draft. Step 2 Add wood using the Stûv glove supplied with the unit. Step 3 Close the glass door an d enjoy the fire.* *It is normal to feel resistance when lifting the glass door when the fire is burning.
  • Page 56 MAINTENANCE REGULAR MAINTENANCE ......................55 ANNUAL MAINTENANCE......................56 CREOSOTE AND CHIMNEY-SWEEPING .................. 57 PULLEYS AND COUNTERWEIGHTS ..................58 COMPONENTS REPLACEMENT ....................59...

  • Page 57: Maintenance

    REGULAR MAINTENANCE ANNUAL MAINTENANCE CAUTION During the heating season, have your chimney regularly inspected by a profes- sional. Soot removal (sweeping) is recommended every two months to avoid Before carrying out maintenance, wait until the unit has cooled down creosote build-up. completely.

  • Page 58: Annual Maintenance

    ANNUAL MAINTENANCE Step 4 Place a support and/or a cloth to remove the door an d avoid d a m a g i n g the paint Step 5 Unhook the cables from the door an d attach them in standby mode. CAUTION The cable must be held tight to make sure not to lose it!

  • Page 59: Creosote And Chimney-Sweeping

    CREOSOTE AND CHIMNEY-SWEEPING PULLEYS AND COUNTERWEIGHTS Creosote is a thick, black, brittle or Before carrying complete The Stûv 21 range of fireplaces is equipped with a guillotine door that works with a sweeping, smooth (vitrified) residue resulting from Stûv recommends using system of pulleys and counterweights.

  • Page 60: Components Replacement

    COMPONENTS REPLACEMENT DISASSEMBLY Step 1 Using the fireplace handle open the glass door an d tilt it open like an oven. It is recommended to use some kind of support on which the door will rest to avoid damage. Step 2 Use rags to make sure the paint is protected Step 3 Carefullyunhook thecounterweight cables in both bottom corners an d attach...

  • Page 61: Components Replacement

    COMPONENTS REPLACEMENT Step 7 Find the side of the frame that has 2 perforated flat sections, these need to be facing up towards the philips screw ports Step 8 Slide the new seal onto the underwire make sure they are of equal length both sides,...
  • Page 62 COMPONENTS REPLACEMENT GLASS AND SLIDES After disassembly, follow these steps: Step 13 Using an 8 mm open-end wrench, unscrew the damper cover. Step 14 Close the door an d remove the damper panel cover. Step 15 Using the fireplace handle remove the keys freeing the innersprings.
  • Page 63 COMPONENTS REPLACEMENT Step 17 Remove the (damaged) glass. Stûv recommends the use of original replacement parts. The glass must be made of 4 mm ceramic and be able to withstand high temperatures. MODEL DIMENSIONS 21-85 554 mm x 692 mm 21-95 634 mm x 790 mm 21-105...
  • Page 64 COMPONENTS REPLACEMENT REASSEMBLY To reassemble, proceed in reverse order. Centre the spacer. Step 22 Screw the slide back in place using the 2 screws on each side of the sliding door frame. Make sure all seven holes are facing upwards (they must be visible).

  • Page 65: Warranty

    WARRANTY WARRANTY DETAILS ........................ 64 WARRANTY FORM ........................65...

  • Page 66: Warranty Details

    WARRANTY DETAILS WARRANTY COVERAGE WARRANTY TERMS Stûv appliances are guaranteed against: This document must be returned to us, duly completed, within one month of the date of the dealer's invoice to the buyer. • manufacturing defects • paint defects on the visible parts of the unit Duration of the warranty: •...

  • Page 67: Warranty Form

    APPLIANCE DETAILS THE APPLIANCE THE DEALER Serial no. : Company: Model: Name: Invoice date : Address : Installation date : Tel no.: *The serial number can be found on the marking label at the bottom of the combustion chamber. The location of the label is indicated on the first p a g e of the CERTIFICATION section..
  • Page 68 Stûv fireplaces are designed and manufactured by : Stûv s a – Belgique stuv.com Rue Jules Borbouse n°4 B-5170 Bois-de-Villers And distributed in New Zealand by : The Fireplace Ltd 12 Tawari St, Mt Eden, Auckland, 1024 Ph. 09 623 6990...

This manual is also suitable for:

21-105 sf21-125 sf21-135 sf21-95 df21-125 df

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