Sime MURELLE HE 25 Guía del usuario

MURELLE EV HE

25-30-35-12 T-20 T-25 T-30 T-35 T

199838

INSTALLATION AND SERVICING INSTRUCTIONS

ENSURE THAT THESE

INSTRUCTIONS ARE LEFT

FOR THE USER AFTER

COMPLETION OF THE

BENCHMARK SECTION

PLEASE READ THE

IMPORTANT NOTICE

WITHIN THIS GUIDE

REGARDING YOUR BOILER

WARRANTY

UK Cod. 6316194 - 08/2013

All descriptions and illustrations provided in this manual have been carefully prepared but we reserve the right to make changes and

improvements in our products that may affect the accuracy of the information contained in this manual.

This boiler may require 2 or more operatives to move it into its installation site, remove it from its packaging and

during movement into its installation location. Manoeuvring the boiler may include the use of a sack truck and

involve lifting pushing and pulling.

Caution should be exercised during these operations.

Operatives should be knowledgeable in handling techniques when performing these tasks and the following

precautions should be considered:

– Grip the boiler at the base

– Be physically capable

– Use personal protective equipment as appropriate e.g. gloves, safety footwear.

During all manoeuvres and handling actions, every attempt should be made to ensure the following unless

unavoidable and/or the weight is light.

– Keep back straight

– Avoid twisting at the waist

– Always grip with the palm of the hand

– Keep load as close to the body as possible

– Always use assistance

WARNING

Caution should be exercised when performing any work on this appliance.

Protective gloves and safety glasses are recommended.

– Avoid direct contact with sharp edges.

– Avoid contact with any hot surfaces.

NOTICE

Please be aware that due to the wet testing of the appliance, there may some residual water in the hydraulic circuit.

– Protect any surfaces, carpets or floorings.

– Use a suitable container to catch any water that escape when removing the protective caps from the connections.

SAFE HANDLING

IMPORTANT NOTICE

For the first year all of our appliances are protected by our manufacturer’s guarantee which covers both parts and

labour.

As you would expect from Sime Ltd, it is our aim to provide our valued customers with the best in after sales and

service.

To take advantage of any extended warranty offered, all you have to do is to adhere to these 3 simple conditions:

• The installation must be carried out to Manufacturers/Benchmark Standards by a Gas Safe Registered

Engineer, and recorded in the installation manual.

• The appliance must be registered with both Sime Ltd and Gas Safe within 30 days of installation.

• The appliance must be serviced annually, by either Sime Ltd or a Gas Safe registered engineer- ensuring that the

Benchmark service record in the installation manual is completed.

Failure to comply with the above will result in only the 12 month warranty being offered.

In the absence of any proof of purchase, the 12 month warranty period will commence from the date of manufacture

of the boiler as shown on the appliance data plate.

Sime Ltd is a licensed member of the Benchmark Scheme which aims to improve the standards of installation and

commissioning of domestic heating and hot water systems in the UK and to encourage regular servicing to optimise

safety, efficiency and performance.

Benchmark is managed and promoted by the Heating and Hotwater Industry Council.

For more information visit www.centralheating.co.uk

THE BENCHMARK SCHEME

Please refer to commissioning instructions for filling in the checklist at the back of this installation guide.

Note: All Gas Safe registered installers carry a ID Card.

You can check your installer is Gas Safe Registered by calling 0800 408 5577

CONTENTS

1 DESCRIPTION OF THE BOILER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . pag. 6

2 INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . pag. 10

3 CHARACTERISTICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . pag. 23

4 USE AND MAINTENANCE, BENCHMARK AND COMMISSIONING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . pag. 29

5 FAULT FINDING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . pag. 36

6 REPLACEMENT OF PARTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . pag. 37

7 EXPLODED VIEWS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . pag. 39

8APPENDIX 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . pag. 54

9APPENDIX 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . pag. 66

SIME COMBINATION BOILERS

Installer checklist

Please remember to carry out the following checks after installation. This will achieve complete customer

satisfaction, and avoid unnecessary service calls. A charge will be made for a service visit where the fault

is not due to a manufacturing defect.

– Has a correct by-pass been fitted and adjusted?

– Has the system and boiler been flushed?

– Is the system and boiler full of water, and the correct pressure showing on the pressure gauge?

– Is the Auto Air Vent open?

–Has the pump been rotated manually?

– Is the gas supply working pressure correct?

– Is the boiler wired correctly? (See installation manual).

–Has the D.H.W. flow rate been set to the customer requirements?

– Has the customer been fully advised on the correct use of the boiler, system and controls?

–Has the Aqua Guard Filter been cleaned (see 4.5.2)?

– Has the Benchmark Checklist in the use and maintenance section of this manual, been completed ?

IPX4D

IMPORTANT INFORMATION:

IT IS A STATUTORY REQUIREMENT THAT ALL GAS APPLIANCES ARE INSTALLED BY COMPETENT PERSONS, IN

ACCORDANCE WITH THE GAS SAFETY (INSTALLATION AND USE) REGULATIONS (CURRENT EDITION). The

manufacturer’s instructions must not be taken as overriding any statutory requirements, and failure to comply with these

regulations may lead to prosecution.

No modifications to the appliance should be made unless they are fully approved by the manufacturer.

GAS LEAKS: DO NOT OPERATE ANY ELECTRICAL SWITCH, OR USE A NAKED FLAME. TURN OFF THE GAS SUPPLY AND

VENTILATE THE AREA BY OPENING DOORS AND WINDOWS CONTACT THE GAS EMERGENCY SERVICE ON 0800111999.

These appliances comply with the S.E.D.B.U.K. scheme, band “A”

Murelle EV HE 25: Gas Council number 47-283-17

Murelle EV HE 30: Gas Council number 47-283-18

Murelle EV HE 35: Gas Council number 47-283-19

Murelle EV HE 12 T: Gas Council number 41-283-19

Murelle EV HE 20 T: Gas Council number 41-283-20

Murelle EV HE 25 T: Gas Council number 41-283-21

Murelle EV HE 30 T: Gas Council number 41-283-22

Murelle EV HE 35 T: Gas Council number 41-283-23

135

350

125

42,5

450

170

¿ 60/100

125

125 60

700

215

85 70 70

92,5

385

760

GR M

450

124 60

350 70 70 70 70

42.5

65 700 125

760

215

385

60/100

135

170

RMGEU

TABLE 2 - Minimum clearances

For servicing

Above the appliance casing 300 mm

At the R.H.S. 15 mm

At the L.H.S. 15 mm

Below the appliance casing 200 mm

In front of the appliance 500 mm

TABLE 1 - Connections

RC.H. return 22 mm Compression

MC.H. flow 22 mm Compression

GGas connection 15 mm Compression

ED.H.W. inlet 15 mm Compression

UD.H.W. outlet 15 mm Compression

S3 Condensation outlet ø 25

1.1 INTRODUCTION

MURELLE EV HE - MURELLE EV HE T

are premixed gas condensation thermal

modules that employ a microprocessor-

based technology to control and manage

all the functions.

All modules are compliant with European

Directives 2009/142/CE, 2004/108/CE,

2006/95/CE and 92/42/CE. For optimum

installation and operation, always follow

the instructions provided in this manual.

The products manufactured and sold by

Sime do not contain any banned

materials or substances (ie they comply

with ISO9000:2000).

The Murelle EV HE T is a system boiler

which is designed to be directly

connected to a domestic hot water

cylinder. When it is not directly connected

to a cylinder the two connections at the

left hand side, R3 and M2, need to be

capped off, and the cylinder sensor SB

disconnected from the PCB.

1 DESCRIPTION OF THE BOILER

Fig. 1

1.2 DIMENSIONS (fig. 1)

MURELLE EV HE 25-30-35

ATTENTION:

The “T” version is designed for the connection of a remote cylinder,

to use it as a boiler ONLY FOR HEATING it is necessary:

– to disconnect the D.H.W. sensor (SB)

– set the PAR 2 to 4

MURELLE EV HE 12-20-25-30-35 T

Models MURELLE EV HE 25 30 35 12 T 20 T 25 T 30 T 35 T

Heat output

Nominal (80-60°C) kW 23.9 28.9 34.1 11.7 19.0 23.9 28.9 34.1

Nominal (50-30°C) kW 26.2 31.6 37.2 12.8 20.9 26.2 31.6 37.2

Reduced G20 (80-60°C) kW 4.7 5.9 7.9 2.8 4.2 4.7 5.9 7.9

Reduced G20 (50-30°C) kW 5.4 6.6 8.8 3.2 4.8 5.4 6.6 8.8

Reduced G31 (80-60°C) kW 7.5 7.6 8.7 3.7 7.5 7.5 7.6 8.7

Reduced G31 (50-30°C) kW 8.5 8.5 9.6 4.2 8.5 8.5 8.5 9.6

Heat input Nominal kW 24.5 29.5 34.8 12.0 19.5 24.5 29.5 34.8

Heat input Reduced G20/G31 kW 5.0/8.0 6.2/8.0 8.2/9.0 3.0/4.0 4.5/8.0 5.0/8.0 6.2/8.0 8.2/9.0

Max/min useful yield (80-60°C) % 94/97.5 95/98 96/98 94/97.5 94/97.5 94/97.5 95/98 96/98

Max/min useful yield (50-30°C) % 107/107 107/107 107/107 107/107 107/107 107/107 107/107 107/107

Useful yield at 30% of the load (40-30°C) % 107 107 107 107 107 107 107 107

Termal efficiency (CEE 92/42 directive)        

Losses after shutdown to 50°C (EN 483) W8590958085859095

Supply voltage V-Hz 230-50 230-50 230-50 230-50 230-50 230-50 230-50 230-50

Adsorbed power consumption W 125 130 140 110 120 125 130 140

Electrical protection grade IP X4D X4D X4D X4D X4D X4D X4D X4D

C.H. setting range °C 20/80 20/80 20/80 20/80 20/80 20/80 20/80 20/80

Water content boiler l 4.9 5.5 6.0 4.4 5.0 5.0 5.6 6.1

Maximum water head bar 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5

Maximum temperature °C 85 85 85 85 85 85 85 85

Capacity of the heating expans. vessel l 8 10 10 8 8 8 10 10

Pressure of the heating expans. vessel bar 1 1 1 1 1 1 1 1

D.H.W. setting range °C 10/65 10/65 10/65 -- -- -- -- --

D.H.W. flow rate (EN 625) l/min 11.2 13.6 16.1 -- -- -- -- --

Continuous D.H.W. flow rate ∆t 30°C l/min 11.4 13.8 16.3 -- -- -- -- --

Continuous D.H.W. flow rate ∆t 35°C l/min 9.8 11.8 14.0 -- -- -- -- --

Minimum D.H.W. flow rate l/min 2 2 2 -- -- -- -- --

D.H.W. pressure min/max bar 0.2/6.0 0.2/6.0 0.2/6.0 -- -- -- -- --

D.H.W. pressure min. nom. power bar 0.5 0.65 0.8 -- -- -- -- --

Exhaust fumes temperature

At max flow rate (80-60°C) °C 70 70 70 70 70 70 70 70

At max flow rate (50-30°C) °C 40 40 40 40 40 40 40 40

At min. flow rate (80-60°C) °C 65 65 65 65 65 65 65 65

At min. flow rate (50-30°C) °C 35 35 35 35 35 35 35 35

Smokes flow min/max kg/h 9/42 11/50 14/60 5/21 8/33 9/42 11/50 14/60

CO2at max/min flow rate G20 % 9.0/9.0 9.0/9.0 9.0/9.0 9.0/9.0 9.0/9.0 9.0/9.0 9.0/9.0 9.0/9.0

CO2at max/min flow rate G31 % 10.0/10.0 10.0/10.0 10.0/10.0 10.0/10.0 10.0/10.0 10.0/10.0 10.0/10.0 10.0/10.0

CE certification n° 1312BU5312

Category II2H3P

Type B23P-53P/C13-33-43-53-83

NOx emission class 5 (<30 mg/kWh)

Weight when empty kg 43 57 69 31 42 42 56 68

Main burner nozzle

Quantity nozzles n° 2 2 2 1 2 2 2 2

G20 nozzle diameter diversified ø 2.4/3.3 2.8/3.8 3.5/4.0 3.3 2.4/3.3 2.4/3.3 2.8/3.8 3.5/4.0

G31 nozzle diameter diversified ø 1.9/2.6 2.2/2.9 2.8/3.0 2.6 1.9/2.6 1.9/2.6 2.2/2.9 2.8/3.0

Consumption at max./min. flow rate

Maximum G20 m3/h 2.59 3.12 3.68 1.27 2.06 2.59 3.12 3.68

Minimum G20 m3/h 0.53 0.66 0.87 0.32 0.48 0.53 0.66 0.87

Maximum G31 kg/h 1.90 2.29 2.70 0.93 1.51 1.90 2.29 2.70

Minimum G31 kg/h 0.62 0.62 0.70 0.62 0.62 0.62 0.62 0.70

Gas supply pressure G20/G31 mbar 20/37 20/37 20/37 20/37 20/37 20/37 20/37 20/37

1.3 TECHNICAL FEATURES

1.4 FUNCTIONAL DIAGRAM (fig. 2)

KEY

1 Fan

2 Limit thermostat

3 Primary exchanger

4 Gas valve

5 D.H.W. exchanger

6 Aqua Guard Filter System

7 C.H. sensor (SM)

8 Safety thermostat 100°C

9 Diverter valve

10 Pump with air release vent

12 D.H.W. sensor (SS/SB)

13 D.H.W. flowmeter

14 Hot water inlet filter

16 3 BAR safety valve

17 Pressure transducer

18 By-pass

19 Drain vent

20 Expansion vessel

21 Condensate trap

23 D.H.W. isolation valve

24 Gas isolation valve

25 C.H. flow isolation valve

26 C.H. return isolation valve

CONNECTIONS

R C.H. return

M C.H. flow

G Gas connection

E D.H.W. inlet

U D.H.W. outlet

S3 Condensation outlet

Fig. 2

14 15

23 24 25 26

19 21

MURELLE EV HE 12-20-25-30-35 T

KEY

1 Fan

2 Limit thermostat

3 Primary exchanger

4 Gas valve

6 Aqua Guard Filter System

7 C.H. sensor (SM)

8 Safety thermostat 100°C

9 Diverter valve

10 Pump with air release vent

12 D.H.W. sensor (SS/SB)

16 3 BAR safety valve

17 Pressure transducer

18 By-pass

19 Boiler discharge

20 Expansion vessel

21 Condensate drain trap

24 Gas isolation valve

25 C.H. flow isolation valve

26 C.H. return isolation valve

CONNECTIONS

R C.H. return

M C.H. flow

G Gas connection

E D.H.W. inlet

U D.H.W. outlet

S3 Condensation outlet

OPTIONAL

MURELLE EV HE 25-30-35

Fig. 3

KEY

1 Control panel

2 Aqua Guard Filter System

3 Condensate trap

4 Air pressure test point

5 Ignition transformer

6 Safety thermostat

7 C.H. sensor (SM)

8 Ignition electrode

9 Primary exchanger

10 Exhaust fumes sensor (SF)

11 Flue manifold

12 Expansion vessel

13 Ionisation electrode

14 Fan

16 Diverter valve

17 Automatic vent

18 Pump

19 Valve cover (optional)

1.5 MAIN COMPONENTS (fig. 3)

MURELLE EV HE 25-30-35

MURELLE EV HE 12-20-25-30-35 T

KEY

1 Control panel

2 Aqua Guard Filter System

3 Condensate trap

4 Air pressure test point

5 Ignition transformer

6 Safety thermostat

7 C.H. sensor (SM)

8 Ignition electrode

9 Primary exchanger

10 Exhaust fumes sensor (SF)

11 Flue manifold

12 Expansion vessel

13 Ionisation electrode

14 Fan

16 Diverter valve

17 Automatic air vent

18 Pump

19 Valve cover (optional)

The boiler must be installed in a fixed

location and only by specialized and

qualified person in compliance with all

instructions contained in this manual. The

installation of this boiler must be in

accordance with the relevant requirements

of the current Gas Safety (installation and

use), the local building regulations, and

and I.E.E. wiring regulations.

PLEASE NOTE: Before fitting the flue to

the boiler, the condensate trap should be

filled, see 2.4.1

2.1 VENTILATION REQUIREMENTS

Detailled recommendations for air

supply are given in BS5440:2. The

following notes are for general guidance:

It is not necessary to have a purpose

provided air vent in the room or

compartment in which the appliance is

installed.

2.2 ANTI-FREEZE FUNCTION

The boilers are equipped with anti-freeze

function which activates the pump and

the burner when the temperature of the

water contained inside the appliance

drops to below 6°C. The anti-freeze

function can only operate if:

– the boiler is correctly connected to the

gas and electricity supply circuits;

– the boiler is constantly fed;

– the boiler ignition is not blocked;

– the essential components of the boiler

are all in working order

In these conditions the boiler is protected

against frost down to an environmental

temperature of -5°C.

ATTENTION: In the case of installation in

a place where the temperature drops

below 0°C, the connection pipes must be

protected.

2.3 FIXING THE WALL

MOUNTING BRACKET (fig. 4)

– Mark the position of the two wall

mounting bracket fixing holes and the

flue/air duct hole on the appropriate

wall(s).

– Drill a top two fixing holes using a 10

mm masonry drill and fit the plastic

plugs provided.

– Accurately measure the wall

thickness, and note this dimension for

later use.

– Secure the wall mounting bracket in

position using the screws provided.

Ensure that it is the correct way up, as

indicated in fig. 4.

2.4

CONNECTING UP SYSTEM (fig. 4/a)

Before connecting the boiler it is

ø 15

MSR

2.5 BAR

safety valve

ø 22

2 INSTALLATION

KEY

1 Wall mounting bracket

2 Plastic wall plug (2 Off)

3 Woodscrew (2 Off)

4 Washer (2 Off)

Fig. 4

Fig. 4/a

model “MURELLE EV HE” (combi)

(optional kit code 5189042)

ø 22

ø 15

ø 22

model “MURELLE EV HE T”

(optional kit code 5189046)

KEY

1 Bracket

2 Fixing bracket

3 Isolation valves

4 Gas isolation valve

8 Gas tail

9 C.H. and tank tails

11 Gasket ø 17.5 x 23.9 x 1.5

NOTE: Connect the safety

discharge using the connector

in the valve kit supplied with

the boiler.

KEY

1 Bracket

2 Fixing bracket

3 C.H. isolation valve

4 Gas isolation valve

5 D.H.W. elbow

6 D.H.W. inlet isolation valve

7 D.H.W. tail 15 mm

8 Gas tail 15 mm

9 C.H. flow/return tail 22 mm

10 Gasket ø 13 x 18.6 x 1.5

11 Gasket ø 17.5 x 23.9 x 1.5

12 Safety valve

discharge pipe 15 mm

3.0 BAR

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