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10

FLUE INSTALLATION

The boiler is only suitable for top outlet flue con-
nection.

A - Flue to rear of boiler

• Mark correct position of hole from template.

B - Flue to side of boiler

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

diagram 9.

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 re-
quired.

Important: 

When cutting the flue hole and when

extending the flue centre line to a side wall, remem-
ber 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 in-
cline 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 the hole for flues to the

rear of boiler, always cover fixing jig to make sure it
is not damaged.

Calculation of flue cutting lengths

• Measure wall thickness

 e

 (mm), 

see

 

diagram 9.

• For side flues, measure distance from inside face
of side wall to centre line of flue and subtract 260
mm for right and left hand flue 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 meas-

ured from the terminal end of the flue pipes, 

see

diagram 10

.

When the dimension 

measured on site is greater

than that given in 

table 1,

 a flue extension kit will

be required, refer to

 table 2

 for details.

Diagram 9

Flue option

Dimension "X"

N

°

 of

extension kits

Side flue

522 to 1478 mm

1

left or right

1479 to 2479 mm

2

Table 2

e

e

a

a

X

X

L1

L2

L1

L2

Flue option

Cutting length (mm)

Comments

outer pipe

inner pipe

Rear flue

e + 145

e + 228

maximum wall

thickness "e" without

extension 522 mm

Side flue left e + a + 188

e + a + 271

maximum

distance  "X" without

extension 739 mm

Side flue right e + a + 188

e + a + 271

maximum

distance "X" without

extension 739 mm

Table 1

Diagram 10

Cutting length

Outer pipe

Inner pipe

Cutting length

Terminal end

V

en 089

Summary of Contents for Thelia 30 E

Page 1: ...1 THIS IS A CAT II 2H3 APPLIANCE 01773 828100 I N W A R R A N T Y T E C H N I C A L H E L P L I N E 01773 828400 THELIA 30 E ...

Page 2: ...INSTRUCTIONS THELIA 30 E Note The boiler serial number is marked on the label attached to the top of the inner bulkhead Refer to the Introduction section page 3 for a description of the basic functions of the boiler The Users section describes how to safely operate the boiler Mandatory warning for CEE countries Warning This appliance was designed approved and inspected to meet the requirements of ...

Page 3: ...d on the outside wall face The installation must be carried out by a compe tent person in accordance with the relevant re quirements of The Building Regulations The Water Byelaws The Building Standards Scotland Regu lations and any applicable local regulations These instructions should be carefully followed for the safe and economical use of your boiler Ancillary equipment A range of flue accessor...

Page 4: ...m 1 To obtain domestic hot water open a hot water tap Hot water always has priority over central heating DRAINING Setting to WINTER mode Heating and hot water Turn the OFF Summer Winter selector switch to K to the Winter position see diagram 1 Turn the central heating temperature control J to the desired setting see diagram 1 Turn the domestic hot water temperature con trol I to the desired settin...

Page 5: ...alve 19 Safety valve 3 bar 20 Domestic hot water expansion vessel A Heating return B Cold water inlet C Heating flow D Domestic hot water flow E Gas supply The boiler is delivered in three separate packages The boiler itself The fixing jig The flue system Hab 036 260 80 Ø 100 520 217 393 889 between 0 5 and 1 5 m fit diaphragm a a diaphragm seal Net weight 55 kg Gross weight 57 kg For flue systems...

Page 6: ... hot water flow 12 l min Expansion vessel effective capacity 0 5 l Electrical supply 230 V Maximum absorbed power 165 W Natural Nas Butane Propane G20 G 30 G 31 Burner injector 1 2 mm 0 75 mm 0 75 mm Inlet pressure 20 mbar 28 mbar 37 mbar Burner pressure 2 6 12 0 mbar 5 4 25 5 mbar 7 2 34 6 mbar Gas rate maximum 3 54 m3 h 2 64 kg h 2 6 kg h Gas rate minimum 1 56 m3 h 1 16 kg h 1 15 kg h Available ...

Page 7: ...uted to a position so that any discharge of water possibly boiling or steam can not create any danger to persons damage to property or external electrical components and wiring Tighten all pipe connection joints Connect the safety valve discharge pipe to the boiler the discharge must be extended using not less than 15 m o d pipe to discharge in a visible position outside the building facing downwa...

Page 8: ...ng suitable screws Check that both the hook and connecting plate are level If the boiler is not installed immediately protect the various couplings to prevent any ingress of foreign materials e g plaster paint etc Terminal position The minimum acceptable spacings from the ter minal to obstructions and ventilation openings are shown in diagram 8 The boiler must be installed so that the terminal is ...

Page 9: ... the lowest point of the system Where thermostatic radiator valves are fitted not all radiators must be fitted with this type of valve and in particular where the room thermostat is installed In the case of an existing installation it is ESSENTIAL thatthesystemisthoroughlyflushedpriortoinstalling the new boiler Filling the system Provision must be made for filling the system at low level The use o...

Page 10: ...s with internal access only Use a 125 mm diameter core drill Important Before cutting the hole for flues to the rear of boiler always cover fixing jig to make sure it is not damaged Calculation of flue cutting lengths Measure wall thickness e mm see diagram 9 For side flues measure distance from inside face of side wall to centre line of flue and subtract 260 mm for right and left hand flue to get...

Page 11: ...r P into groove at the outer end of pipe N see diagram 11 Fit outer pipe N into wall with groove to the outside Pull pipe inwards to bring rubber sealing collar hard up against external wall see diagram12 Fit internal plastic flange Q onto outer pipe Push along the pipe until engaged against inter nal wall From inside insert inner pipe O into outer pipe Fit both O rings T into the flue elbow V one...

Page 12: ...N THE HEATING CONTROLS CONNECTION PLUG Warning This appliance must be wired in accord ance with these instructions Any fault arising from in correct wiring cannot be put right under the terms of the Saunier Duval guarantee External controls The boiler will work for heating without a room ther mostat and or timeswitch being connected provid ed that the wire link fitted between the top two ter minal...

Page 13: ...s if fitted are calling for heat Allow the temperature to rise to the maximum value with all radiator valves open The temperature rise will cause release of the gases contained in the water of central heating system Gases driven towards the boiler will be automati cally released through the automatic air vents The gases trapped at the highest point of the sys tem must be released by bleeding the r...

Page 14: ...tem Persistent air in the heating system may indicate leaks in the system or corrosion taking place Call your Installation Servicing company Overheat safety In the event of a problem the overheat safety devices cause safety shutdown of the boiler If this happens call your Installation Servicing company The THELIA 30 E boiler has a built in frost protection device that protects the boiler from free...

Page 15: ... the pressure ANTICLOCKWISE To decrease the pressure After adjustment refit the cover to the gas valve adjuster Bypass The THELIA 30 E has a built in bypass This must be adjusted according to the requirements of the sys tem refer to the flow rate pressure curve diagram 4 The boiler is supplied with the built in bypass open a half a turn It is adjusted by turning the by pass screw see diagram 19 Tu...

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