Arriva/Evolve flue installation guide: 10726-I 09-21
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For installations where the unit is mounted directly on the inside of an external wall.
This installation requires a 2° fall from the heater connection to the wall terminal to
drain condensate and wind blown rain—the Arriva Direct A and B flue kits have an
inbuilt 2° fall.
Direct flueing using the Direct A and B flue kits - ARRIVA models only
Before starting, create the wall penetration. The minimum diameter required is 80 mm to non-
combustible surfaces such as brick, and 100 mm to combustible surfaces such as plaster.
Connection
Sleeve
Terminal
Direct flueing - mushroom flue kits
The flue consists of three parts;
sleeve, inside connections and
tube, and outside terminal.
Disassemble by pulling hard on
the outside terminal and inner
connections, then pull the sleeve
off the outer terminal.
1. Disassemble manifold
Fixing Screw
2°
"TOP"
5-10mm
Don't remove green plastic covering from sleeve.
Fix the sleeve to the wall using the
three screws provided. The flange
is marked ‘TOP’. The sleeve must
be fitted with this mark up. Check
sleeve protrudes 5-10 mm on the
outside.
4. Fix sleeve
Cut (leave 20mm free)
Pull hard
Fixing tie Lug
Sleeve
Terminal
Pull hard on the LH and RH ties,
and clip ties over the lugs inside the
sleeve. You should be able to pull
the ties two or three slots past the
starting point. Cut the ties approx.
20 mm past the lugs and bend so
they are parallel with the wall.
7. Attach ties
Do not extend beyond red line
Extension joint under plastic
Extension
(A flue only)
Adjust length by turning sleeve
Measure the wall length through
the drilled hole. Adjust the sleeve
length to the wall thickness
plus 5-10 mm (required sleeve
protrusion from wall).
2. Adjust flue length
Adjust length by turning sleeve.
Extension joint
under plastic
Extension
("A" flue only)
Do not extend
beyond red line
For ‘A’ flues, depending on wall
thickness, the flue extension may
need to be removed. There is no
extension on the ‘B’ flues, they can
be fully adjusted by turning the
threaded section.
3. Remove flue extension
Terminal seal
(add weatherboard
seal here)
Check the rubber seal is in place
on the terminal. For weatherboard
walls, add the spare rubber seal
provided to compensate for the
weatherboard angle.
5. Check and add rubber seal
Label
Fixing tie
Terminal
"TOP" mark "A"
From the outside insert the terminal
into the sleeve with the ‘A’ mark at
the top.
The LH fixing tie is marked ‘LEFT’
(from the inside)
6. Install terminal
lnner
connections
Screw
Top mark
Push the inner connection
assembly into the terminal tube.
Ensure correct positioning—refer
‘TOP’ mark. Fix with the three
screws provided.
8. Insert inner connection
Outlet
Rubber cap
Inlet
Adjust the manifold as required.
The manifold can still be turned
after attaching.
9. Adjust manifold
