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Saunier Duval Thelia 30 E, Installation And Operating Instructions Manual

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Saunier Duval Thelia 30 E Installation And Operating Instructions Manual Download Page 15

15

Gas valve setting

All boilers are tested and factory set during manu-
facture. Should it be necessary to reset a gas valve,
for example after replacement, proceed as follows:
• Shut down boiler.

Minimum setting

• Remove one electrical connector from the
modulating gas valve coil, 

see diagram 18

.

• Connect a suitable pressure gauge as described
in '

Commissioning

'.

• Turn the OFF/Summer/Winter switch to the 'Sum-
mer' position.
• Turn the domestic hot water temperature ad-
juster to maximum setting.
• Remove the protective cover from the gas valve
adjuster.
• Turn nut '

A

' , 

see diagram 18

:

CLOCKWISE: To increase the pressure.
ANTICLOCKWISE: To decrease the pressure.

Maximum setting

• Reconnect the electrical connector removed
from the modulating gas valve coil.
• Remove the protective cover from the gas valve
adjuster.
• Turn nut '

B

' , 

see diagram 18

:

CLOCKWISE: To increase 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

. Turn the screw clock-

wise to close the bypass.
When using thermostatic radiator valves (TRV's), it
is recommended that an additional, adjustable
bypass of 15 mm minimum diameter is fitted be-
tween the flow and return of the heating circuit,

see diagram 6

. Any bypass must be fitted before

system controls.

Diagram 18

Should it become necessary to change the gas type, a modification kit will be required.
This modification must only be carried out by a suitably qualified engineer.

Conversion: Natural Gas (G20) to G30/G31

Part No.

85402

Conversion: Natural Gas (G20) to G130

Part No.

85205

CHANGING GAS TYPE

Diagram 19

➞

Diagram 19

SETTINGS

Reg 020

Reg 046

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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