Bosch Greenstar 12i Service Manual download pdf (Page 30)

INSTALLATION

6 720 644 743b (2011/08)

4.5 FLUE INSTALLATION

HORIZONTAL FLUE (60/100mm diameter)

For vertical flues and 80/125mm horizontal flues, please

refer to separate instructions supplied with the flue kit.

Basic instructions for the 60/100mm diameter flue are

shown below.

Fig. 37 Flue turret centre

4.5.1 MEASURING THE FLUE (STANDARD FLUE):

B Measure from the outside of the wall to the centre line

of the flue turret to determine length L.

B Subtract 50mm from the length L to give the correct

dimension to the flue elbow connection.

B If the length L falls within the telescopic range of 350

to 570mm or 570 to 790mm using the longer

telescopic flue, then no cutting will be required.

B If the required length is less than 350mm the standard

telescopic flue can be modified, refer to fig. 39.

B If the required length is greater than 570mm, then the

longer telescopic flue, giving a range of 570 - 790mm,

can be used

B If the required length is greater than 790mm, then flue

extensions will have to be used. Refer to the 60/100

Horizontal Flue Instruction manual provided in the

telescopic flue kit.

B Refer to section 3.8 for flue options.

Adjusting the telescopic flue length:

Fig. 38 Standard telescopic flue

Extend tube (1) by withdrawing from tube (2) to achieve

the flue length required, between 350 - 570mm.

Secure with screw provided and seal joint with the

aluminium tape supplied.

4.5.2 REDUCING THE TELESCOPIC FLUE LENGTH:

The flue terminal MUST be fitted with the 'TOP' label

uppermost to allow the correct fit and use of the plume

management system.

Fig. 39 Reducing the standard terminal

B Remove securing screws (3) to detach the terminal

assembly from the turret.

B Slide terminal section (2) from the terminal assembly

and discard.

B To use terminal (1) without cutting remove the

location lug (4) on the inner flue tube (5) and remove

any burrs.

To reduce the flue length further:

Fig. 40 Further reduction

B Mark the length required for the terminal as shown

(min. 130mm) and cut square, taking care not to

damage the tubes.

B Remove any burrs and chamfer the outer edge of the

tubes to assist ease of connection and prevent seal

damage.

To ease assembly of flue components, apply

silicone lubricant to sealing surfaces.

200 mm

189 mm

Edge

case

WALL

6720643895-29.1Wo

6720643895-30.1Wo

570 mm

350 mm

Ensure that the “TOP” label is facing up

before securing the flue section to the

turret.

The aluminium tape is not required when

reducing the terminal.

6720643895-31.1Wo

130 mm

265 mm

MIN

6720643895-32.2Wo

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Bosch Greenstar 12i Service Manual Page 30

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