Tarlan Technical Little Cracker Manuel utilisateur
Page 1 of 23 Rev B Mar 2012
The “Little Cracker”
Installation Guide
Manufactured by Tarlan Technical Ltd
Salt Water Creek, New Zealand
Phone 03 3136271 Fax 03 3132814
www.littlecracker.co.nz
Thank you for purchasing a “Littlecracker” multi-fuel Fire.
We are sure this fire will give you years of warmth from its professional design and
construction and of course it carries a 2 year warrantee.
For any assistance in fitting of this unit we are only a phone call away.
Page 2 of 23 Rev B Mar 2012
Installation of this fire is critical to ensure adequate ventilation,
We offer a complete install service should you require this.
If you should find any of these instructions incorrect or confusing please tell us!
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Recommended Clearances
For safe operation the following clearances must be used when installing this fire.
Due to the installation being carried out by a variety of tradesman and owners is it imperative
the operator must check for hot spots when the fire is operating.
If any combustible surface such as wood reaches such a temperature that you cannot hold
your hand on, then remedial action must be taken.
This can be by installing heat deflectors or increasing the clearance to the fire.
Custom heat deflectors can be made on request by contacting Tarlan Technical Ltd.
Minimum Recommended clearances:
Rear of Fire:
Combustible Surface:
From Fire to a combustible surface –i.e. wood or polystyrene insulated wall without any heat
deflectors - wood to be 250mm -polystyrene insulated panel 300mm.
Polystyrene panel temperature must not exceed 65 °C
If an additional metal sheet is placed on the wall, use spacers to hold off the wall 25mm, at
the bottom of sheet the gap from sheet to floor must be at least a 25mm as well as the top gap
must be open, and then recommended clearance can be reduced to 100mm
Sides of Fire:
Clearance from stainless heat shield to any combustible surface is 250 mm; closer clearances
are possible but please consult us.
Pedestal or base of fire:
150mm Pedestal: - A non combustible sheet such as cement board 6mm thick must be placed
between the mounting base and the floor.
75mm Pedestal: A non combustible sheet under mounting plate and tiles must be placed to
extend 100mm past each side of the fire (do not tile under the pedestal or they will crack
when bolts are drawn up)
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When operating the fire if any surface that is combustible i.e. wood, lining or furniture gets to
the temperature where it is hot to touch then you should be looking at improving the heat
reflectors for greater margin of safety.
Installation Instructions
The correct installation of your new fire is important to ensure both safety and performance.
We recommend installing your fire on the driver’s side of your vehicle to reduce the risk of
the chimney cowl fouling overhanging trees etc. Tarlan can manufacture cowl protectors on
request which is a frame that is affixed to the roof of the bus and allows any branches etc to
ride up and over the flue cap.
However fit where you want it!
For other areas please consult us for tech support- for dwellings a plumber is the best man for
this but we can supply the flue kit if given drawing of roof detail.
Our Motor Home installation method is:
1. We use a modified expandable awning pole- place it in centre of fire outlet and extend to
roof, align the pole by eye with a vertical cabinet or door way on your interior, you can
use a spirit level but check a near surface to compare bus vertical level.
hint: remove anything that may allow you to check what is in the roof cavity, we
removed a speaker to check for wires or roof beams.
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2. Once you have settled on the fire position and are confident the 150mm hole for the
sleeve will be clear of roof beams and wiring, and are confident you can reach the bolts
when they protrude through the floor( to get the nuts etc on) , mark the 4 holes for the
fire.
3. Drill the 4 holes and use M10 high tensile bolts, if the floor is thin ply etc then fit some
flat steel straps on the bottom side for the nuts to pull up on, make sure it is secured a
strong floor, if in doubt add a chain to a protruding bolt and bolt other end of chain to the
chassis.
4. Mark the centre and drill a ¼ “ pilot hole through the two layers of the roof, you may
need a long drill (make sure drill is kept straight with the line the pole was, get an
assistant to watch drill and make corrections if needed)
5. Use any access such as the removed speaker in this photo to check what is in the roof
lining, i.e. wires or beams.
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6. Use a 150mm hole saw or a jig saw to cut both surfaces for a Dektite fitting.
Remove as much polystyrene as possible –at least 50mm from hole edge all way around.
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Insert pink batts where the poly was removed
7. Slide the 150mm liner though the holes, a tip is to temporarily drop flue through the
sleeve and lower into fire. Use spacer as per step 11 to help centralize sleeve (Do not fit
maniseal yet)
8. Fix sleeve to top roof by three metal tabs (not included - made up of any sheet metal
40mm x 15mm wide is sufficient size, bend at centerline 90 deg) –check the sleeve it
should be central and protrude approx. 150mm above roof.
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9. Apply sealant to outside joint around the 150mm liner. We recommend Simson ISR70-
03, available in black or grey
10. On inside surface if hole is a neat fit then apply a bead of sealant –white if it suits roof
lining for a neat finish –enclosed is a ceiling plate in case hole needs covering up .
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11. We have a new spacer to hold the flu and 150mm liner parallel to each other –fit this to
flue and position it around 20mm from bottom edge of the 150mm sleeve. (In this
picture we assemble it, then slide it up inside the sleeve and then tighten bolt) spacer
comes as a flat unbent piece which needs to be bent by hand.
(insert bent spacer pic)
9. Cut the Dektite at the 140mm mark and fit, once positioned lift it up, put sealant under
the top lip and pull back down, then proceed to put sealant under the edge and rivet edge
flange to roof.
Page 10 of 23 Rev B Mar 2012
Make sure sealant shows at edges, if it doesn’t apply a bead on the edge of it to the roof.
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