THEMA F - Saunier Duval

Catalogue THEMA F

www.saunierduval.com

Page

/ 28

/ 28

See other catalogues for Saunier Duval

Text version of the page

TOP OUTLET FLUE INSTALLATION

Top outlet flue - kit 86151 see diagram 18, is 1000 mm long and comprises:

- Outer pipe.......................................................................A

- Inner pipe........................................................................B

- External rubber sealing collar........................................C

- Flue elbow.......................................................................D

- Internal flange................................................................ E

- 'O' rings.............................................................................F

- Screws............................................................................G

- Rubber collar..................................................................H

- Clamp and seal...............................................................I

- Gasket..............................................................................J

A - Flue to rear of boiler

• Mark correct position of hole from template.

B - Flue to side of boiler

• Mark horizontal centre line for hole on rear wall. Extend horizontal centre line to side wall and mark vertical centre line of flue hole as shown in diag. 12.

Under normal circumstances, it will be possible to gain access to the outside of the building to fit the flue terminal assembly. Where outside access is not possible e.g. high rise buildings, the flue terminal can be fitted from inside the building only if required.

Note : When cutting flue hole and when extending flue centre line to a side wall, remember that the flue system must have a fall of about 35 mm per metre of flue DOWNWARD AWAY FROM the boiler. There must NEVER be a downward incline towards the boiler.

Cutting the flue hole

• Making allowance for the slope of the flue, cut hole in external wall, preferably using a core drill.

For installations with internal and external access - Use a

105 mm diameter core drill.

For installations with internal access only - Use a 125 mm

diameter core drill.

Important: Before cutting hole for flues to rear of boiler, always cover fixing jig to make sure it is not damaged.

Table 1:

Flue Cutting length (mm)

■Q D

Diagram 17

Diagram 18

Table 2: Number of extension kits required


Flue option	Dimension 'X'	No. of
		extension kits
Side flue	1081 to 1811 mm	1
(left or right)	1812 to 2542 mm	2

Table 3 :

Extended Flue Cutting length (mm)


Flue option	outer pipe	inner pipe	Comments
Top outlet Side flue to (left or right)	e + a + 125	e + a + 202	maximum distance 'X' without extension 1080 mm


Flue option	outer pipe	inner pipe	Comments
Top outlet Side flue to (left or right)	e + a + 877	e + a + 800	maximum distance 'X' without extension 1080 mm

Calculation of flue cutting lengths

• Measure wall thickness e (mm), see diagram 17.

• For side flues, measure distance from inside face of side wall to centre line of flue and subtract 205 mm for both right and left hand flues to get dimension a (mm).

• Refer to table 1 for cutting lengths of both inner and outer flue pipes for each of the various flue options available. Important: All flue cutting lengths must be measured from the terminal end of the flue pipes, see diag. 15.

When the dimension X measured on site is greater than that given in table 1, a flue extension kit will be required, refer to table 2 for details. Extended flue

The horizontal flue is extended by using one or more of the 1000 mm extension pipes, Saunier Duval part number 85091. These are connected together by push fit type joints, clamps and seals.

Calculation of flue cutting lengths for extended flue

• Using the correct number of extension kits as table 3, measure dimensions a and e, see diagram 17.

Important: All cutting lengths should be measured from the push fit end of the extension pipe. Do not leave any burrs or sharp edges on the cut ends of the pipes.

Installation of flue assembly

• Fit rubber sealing collar (C) into groove at the outer end of pipe (A), see diagram 18.

• Fit outer pipe (A) into wall with the groove to the outside.

• Pull pipe inwards to bring rubber sealing collar hard up against external wall, see diagram16.

• Fit internal plastic flange (E) onto outer pipe. Push along the pipe until engaged against internal wall.

• From inside, insert inner pipe (B) into outer pipe.

• Fit both 'O' rings (F) into the flue elbow (D), one at the inlet, one at the outlet. By necessity, they are a loose fit, apply a small amount of silicone grease to each 'O' ring when fitting.

Important: If the flue has been cut, ensure that there are no burrs that could damage the 'O' ring.

• Remove the backing from the self adhesive gasket (J) and carefully fit gasket to base of flue elbow.

• Fit elbow onto boiler and secure with the four screws

(G).

• Take hold of inner flue, twist clockwise and push gently onto the elbow outlet taking care not to tear the 'O' ring.

• Fit clamp and seal (I) onto outer pipe ensuring a good seal.