Rinnai RHFE-750ETR Manuel d'installation télécharger pdf (Page 26)

Rinnai 26 RHFE-750ETR Flue Installation Manual

• Ground excavation is not recommended to meet clearance or space requirements unless

there is sufficient drainage provision.

d.) Mark the centre of the heater flue pipe on the rear

wall (see photo).

e.) Using the mounting brackets supplied, mount the

‘On Wall’ kit with so that the centre of the flue

pipes aligns with the markings on the wall using

the stand off clips supplied. The condensate trap

should be pointing towards the floor.

Mark centre of hole through floor directly beneath

centre of condensate trap. Cut 100 mm dia. hole

through floor.

• In ‘Down and Out’ applications only, the ‘up’ marking on the condensate trap will point

‘down’. This is normal. In a ‘Down and Out’ application, the positioning and direction of the

condensate trap do not matter as no condensate will be collected & drained. Condensate

drainage is ensured by the two degree ‘fall’ towards the terminal.

• Condensate trap must still be fitted.

f.) Fit 2 x 45° bends (ESBEND) together and fit the

resulting bend assembly to the ‘free’ (non

socketed) end of a Co-axial flue pipe

(ESPIPE900) - see photo.

g.) Mount the ESPIPE900 and bends temporarily in

the horizontal plane beneath the floor, using the

stand off clip for correct spacing under bearers

etc. so that the free end of the bend assembly

faces vertically up towards the condensate trap

(see photo).

• A small amount of ‘O’ ring lubricant on rubber seals will assist assembly.

h.) Measure the vertical distance ‘Y’ between the free

end of the ESBEND’s and the condensate trap.

This distance will be used to cut a Co-axial pipe

(ESPIPE900) to the correct length to join

between the free end of the ESBEND and

condensate trap - see photo.

i.) Cut an ESPIPE900 to length as follows:

Length of outer pipe is distance ‘Y’ plus 60 mm to

allow for connection penetration to mating part.

Ensure the inner pipe extends 12 mm past the

outer pipe - (‘Y’ plus 72).

NOTE

378m

567mm

+/-

25mm

Floor level

Centre line of

appliance

Centre flue connection

to align with centre

mark on wall

NOTE

bend

assembly

bend

assembly

free end

NOTE

12mm

‘Y’+ 60mm

‘Y’+ 72mm

‘Y’

DOWN & OUT FLUE INSTALLATION

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Rinnai RHFE-750ETR Manuel d'installation Page 26

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