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1

1 Technical features and dimensions

1.1

DESCRIPTION OF BOILER

“MURELLE - MURELLE BF”

boilers are gas-fired ther-

mal appliances for central heating and D.H.W. produc-
tion. They are equipped with all safety and control devi-
ces required by the law and their technical and operating
features meet the requirements of the specifications on
the safety and use of combustible gas. In addition, they
are designed and built in accordance with the European
Directives EN 297 - EN 483. 
These appliances can be fired by natural gas (methane)
and butane gas (G30) or propane gas (G31). This book-
let provides instructions for the following boiler models:

“MURELLE 20 R CE IONO”

with electronic ignition

and modulation (central heating only);

“MURELLE 20 CE”

with electronic modulation;

“MURELLE 20 TX CE IONO”

with electronic ignition

and modulation, forced draught;

“MURELLE 20 CE IONO - 25 CE IONO”

with electronic

ignition and modulation;

“MURELLE 20 BFR CE IONO”

with electronic ignition

and modulation (central heating only), forced-draught
sealed-room;

“MURELLE 20 BF CE”

with electronic modulation, for-

ced-draught sealed-room;

“MURELLE 20 BF CE IONO - 25 BF CE IONO”

with

electronic ignition and modulation, forced-draught
sealed-room.

We advise the user to follow all the instructions contai-
ned in this manual for the correct and operation of the
equipment;

1.2

BOILER IDENTIFICATION

An adhesive data plate is attached on the inside of the
front panel. This contains the technical identification data
and the feeding gas of the boiler has been equipped with.

1.3

DIMENSIONS

1.3.1

“MURELLE” version

1.3.2

“MURELLE BF” version

CONNECTIONS
R C.H. return

3/4”

M C.H. flow

3/4”

G Gas connection

3/4”

E  Domestic water inlet

1/2”

U  Domestic water outlet

1/2”

20

25

A ø mm

130

150

L  mm

450

500

CONNECTIONS
R C.H. return

3/4”

M C.H. flow

3/4”

G Gas connection

3/4”

E  Domestic water inlet

1/2”

U  Domestic water outlet

1/2”

20 BF

25 BF

L mm

130

150

B mm

450

500

Fig. 1

Fig. 1/a

Содержание MURELLE 20

Страница 1: ...Heating Equipment Murelle user instructions GB...

Страница 2: ......

Страница 3: ...DENTIFICATION 1 3 DIMENSIONS 1 4 TECHNICAL FEATURES 2 2 USE AND MAINTENANCE 2 1 BOILER IGNITION 3 2 2 LOCK OUT RESET OF ELECTRONIC EQUIPMENT 4 2 3 TURNING OFF BOILER 2 4 WATER FAILURE SAFETY DEVICE 2...

Страница 4: ......

Страница 5: ...25 CE IONO with electronic ignition and modulation MURELLE 20 BFR CE IONO with electronic ignition and modulation central heating only forced draught sealed room MURELLE 20 BF CE with electronic modul...

Страница 6: ...values must be kept to in the D H W production The gas consumptions refer to the calorific value at standard conditions at 15 C 1013 mbar Power Smokes Smokes D H W D H W flow rate Minimum D H W pressu...

Страница 7: ...eed Otherwise the pilot flame could go out owing to lack of air For the MURELLE 20 TX CE IONO 20 25 CE IONO 20 25 BF CE IONO boilers just turn on the switch 1 and choose the position on the Summer Win...

Страница 8: ...ater system whether the mixing system is of the mechani cal or of the thermostat controlled type 2 the thermal output is dosed according to the tempera ture required which means a considerable saving...

Страница 9: ...he pressure exceed 3 bar causing the safety valve to open call in the Authorized Technical Service Centre to carry out a check 2 5 SMOKE SAFETY DEVICE MURELLE 20 R CE IONO 20 CE 20 25 CE IONO This is...

Страница 10: ......

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Страница 12: ...Heating Equipment Fonderie Sime S p A via Garbo 27 37045 Legnago Vr Tel 0442 631111 Fax Serv Commerciale 0442 631293 Fax Serv Tecnico 0442 631292 Cod 6151112...

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