Immergas EOLO Maior, Instruction And Recomendation Booklet

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1.10 OUTDOOR INSTALLATION IN A 

PARTIALLY PROTECTED AREA.

N.B.:

a partially protected location is one in which 

the appliance is not exposed to the direct action of 

the weather (rain, snow, hail, etc..).
This type of installation is only possible when 

permitted by the laws in force in the appliance’s 

country of destination.

• Configuration type B, open chamber and 

forced draught.

Using the special coverage kit one can achieve 

direct air intake (Fig. 1-10) and fumes exhaust in 

a single flue or directly outside. In this configura-

tion it is possible to install the boiler in a partially 

protected place. In this configuration the boiler 

is classified as type B.

With this configuration:

- air intake takes place directly from the envi-

ronment in which the appliance is installed 

(outside);

-  the fumes exhaust must be connected to its own 

single flue (B

23

) or ducted directly outside via a 

vertical terminal for direct exhaust (B

53

) or via 

an Immergas ducting system (B

53

).

The technical regulations in force must be 

respected.

Flue gas separator adjustment.

 For correct 

functioning of the boiler in configuration with 

direct air intake it is necessary to regulate the flue 

gas shutter according to that stated in the relative 

tables (page 10).
• 

Coverage kit assembly (Fig. 1-11).

 Remove 

the two plugs and the gaskets present from 

the two lateral holes with respect to the central 

one. Now cover the right intake hole using the 

relevant plate, fixing it onto the left side using 

the 2 previously-removed screws. Install the 

Ø 80 outlet flange on the central hole of the 

boiler, taking care to insert the gasket supplied 

with the kit and tighten by means of the screws 

provided. Install the upper cover, fixing it using 

the 4 screws present in the kit, positioning the 

relevant gaskets. Engage the 90° Ø 80 bend with 

the male end (smooth) in the female end (with 

lip seal) of the Ø 80 flange unit until it stops. 

Introduce the gasket, making it run along the 

bend. Fix it using the metal sheet plate and 

tighten by means of the clips present in the kit, 

making sure to block the 4 gasket flaps. Fit the 

male end (smooth) of the exhaust terminal into 

the the female end of the bend 90° Ø 80, mak-

ing sure that the relevant wall sealing plate is 

already fitted; this will ensure hold and joining 

of the elements making up the kit.

Max. length of exhaust duct.

  The flue pipe 

(vertical or horizontal) can be 

extended to a 

max. length of 12 linear metres, using insulated 

pipes (Fig.

 1-27). To prevent problems of flue 

gas condensate in the exhaust pipe Ø 80, due to 

flue gas cooling through the wall,

the length of the 

pipe (not insulated) must be limited to just 5 m.

•  Configuration without cover kit in a partially 

protected location (type C boiler).

By leaving the side plugs fitted, it is possible 

to install the appliance externally, in partially 

covered places, without the cover kit. Installation 

takes place using the Ø 60/100 and Ø 80/125 

concentric horizontal intake/ exhaust kits. Refer 

to the paragraph relative to indoor installation. In 

this configuration the upper cover kit guarantees 

additional protection for the boiler. It is recom-

mended but not compulsory.

The cover kit includes:

  N°  1  Thermoformed cover

  N°  1  Gasket locking plate

 N° 1 Gasket

  N°  1  Gasket tightening clip

  N°  1  Intake hole covering plate

The terminal kit includes:

 N° 1 Gasket

  N°  1  Discharge flange Ø 80

  N°  1 Bend 90° Ø 80

  N°  1  Drain pipe Ø 80

  N°  1 Wall sealing plate