Page 1
PLEASE LEAVE THIS INSTRUCTION WITH THE USER MURELLE EV HE 25/55 - 30/55 Installation and servicing instructions...
Page 2
SAFE HANDLING 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.
Page 4
The Benchmark Scheme 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 optimi- se safety, efficiency and performance.
Murelle EV HE 25/55: Gas Council number 47-283-20 IPX4D Murelle EV HE 30/55: Gas Council number 47-283-21 CONTENTS DESCRIPTION OF THE BOILER ............. . . pag.
1. 1 INTRODUCTION UNPACK AND CHECK THE 1.2.3 Unpacking the boiler CONTENTS, AND PACKAGING MURELLE EV HE 25-30/55 are premixed REMOVAL. The boiler is supplied fully assembled, the gas condensation thermal modules that kit includes : employ a microprocessor-based technology - boiler to control and manage all the functions.
D.H.W. - the boiler is correctly connected to the – Sime Ltd recommend only the use of gas and electricity supply circuits; tank. Any additional D.H.W. drain down FERNOX products for the flushing and - the boiler is turned on;...
Page 11
DS 7 DS 3 No isolation valve should be fitted between the cylinder and the expansion valve. 1 Gasket ø 11,5/18,5 x 2 6 Gasket ø 17/24 x 2 8 Brass olive for 22 mm pipe 9 Locking nut 1-1/8” 10 Cock 3/4”...
Page 12
Note: it is permitted to connect dischar- ge pipes together provided that the joint pipe is sized to accommodate the combi- ned flow. 2.4.4 Expansion Vessel (C.H. only) C.H. EXPANSION VESSEL – The integral expansion vessel is pre-charged to a pres- sure of 1.0 bar, which should be checked before the C.H.
Page 13
2.4.6 Dealing with condensate (fig.6/a) To reduce the possibility of condensate across flow between other Branch pipes. being trapped in the pipe, the number of Five suitable drainage points bends should be kept to a minimum. Soakaways Five suitable drainage points: Pipework must be angled down from the Any soakaways have to be purpose-made boiler with a fall of at least 2.5°.
Page 14
2.4.7 Filter on the gas pipe INSTALLATION OF COAXIAL DUCT connect twin 80mm pipes. See fig 8. (ø 60/100 - ø 80/125) The maximum overall length of the flue is The gas valve is supplied ex factory with an determined by the head losses of the indivi- inlet filter, which, however, is not adequate The axial suction and discharge pipes are dual components and must not exceed...
Page 15
The boiler is supplied with an electric cable. earth connection. tions, Table 2 gives the minimum distances Should this require replacement, it must be NOTE: SIME declines all responsibility for TABLE 2 Terminal position Minimum spacing Directly below an openable window, air vent...
Page 16
injury or damage to persons ,animals or to be controlled by the boiler keypad. trol, follow the instructions in the package. property, resulting from the failure to pro- NOTE: Reset parameter 10 to 2 (PAR 10 NOTE: Ensure PAR 10 set to 1 (PAR 10 = vide for proper earthing of the appliance.
Page 17
BASIC SYSTEM MULTI-ZONE SYSTEM WITH PUMP, ROOM THERMOSTAT AND EXTERNAL SENSOR (Code 8094101) BASIC SYSTEM MULTI-ZONE SYSTEM WITH PUMP, ROOM THERMOSTAT AND EXTERNAL SENSOR (Code 8094101) BASIC SYSTEM MULTI-ZONE SYSTEM WITH VALVE, ROOM THERMOSTAT, REMOTE CONTROL CR 73 (Code 8092226) AND EXTERNAL SENSOR (Code 8094101) PARAMETERS SETTINGS To use the remote control...
Page 18
BASIC SYSTEM MULTI-ZONE SYSTEM WITH VALVE, ROOM THERMOSTAT, REMOTE CONTROL CR 73 (Code 8092226) AND EXTERNAL SENSOR (Code 8094101) PARAMETER SETTING To use the remote control (CR) as room reference for a zone, set: PAR 7 = 1 Set the opening time of the zone valve VZ: PAR 33 = “OPENING TIME” BASIC SYSTEM MULTI-ZONE SYSTEM WITH PUMP, ROOM THERMOSTAT, REMOTE CONTROL CR 73 (Code 8092226) AND EXTERNAL SENSOR (Code 8094101)
Page 19
SYSTEM WITH DOUBLE TEMPERATURE OUTPUT MULTI-ZONE SYSTEM WITH VALVE, ROOM THERMOSTAT INTERNAL TIME CLOCK AND EXTERNAL SENSOR (Code 8094101) ZONA ZONA NIGHT GIORNO NOTTE ZONE ZONE (70°C) (50°C) (70°C) (50°C) DURING NIGHT TIME THE BOILER USES A LOWER OUTPUT TEMPERATURE IF DIFFERENT TIMES HAVE BEEN SET FOR DAY AND NIGHT AREAS: - with external sensor, set the climatic curve of the day zone 1 with PAR 25 and the night zone at PAR 26.
Page 20
SYSTEM WITH MIXER VALVE SYSTEM WITH ONE DIRECT ZONE AND ONE MIXED ZONE PARAMETERS SETTINGS To use the remote control (CR) as remote control panel for the boiler rather than as room reference, set: PAR 7 = 0 SYSTEM WITH MIXER VALVE SYSTEM WITH TWO DIRECT ZONES AND TWO MIXED ZONES SYSTEM WITH MIXER VALVE SYSTEM WITH TWO MIXED ZONES INDEPENDENT AND TWO KITS ZONA MIX (Code 8092234)
Page 21
BOILER ELECTRICAL CONNECTOR SPARE Remote control CR 73 (optional) PART CODES: F1-2 Fuse (4 AT) External sensor (optional) Ignition transformer Programming clock (optional) CN1/CN13 code 6316231 Pump Expansion card code 6316233 AR/PR Recirculation pump control code 6316276 Ignition electrode or remote alarm code 6316203 Ionisation electrode Zone valve...
ON/STANDBAY PC CONNECTION = The boiler is on To be used only with the SIME programming kit and only STANDBAY = The boiler is off, but the protection func- by authorised personnel. Do not connect other electro- tions are active.
Page 23
ACCESS TO INSTALLER'S INFORMATION For access to information for the installer, press the key (3 fig. 14). Every time the key is pressed, the display moves to the next item of information. If the key is not pressed, the system automatically quits the function. List of information: 1.
Page 24
17. Display of D.H.W. flowmeter load (i.e. 18 l/min and 0.3 l/min) or flow 27. Indicator of pump with board Mixed Zone 2 25. Visualizzazione pompa con schedino ZONA MIX 2 17. Visualizzazione portata sanitaria flussimetro (es. 18 l/min (rispettivamente ON e OFF) switch (respectively ON and OFF) e 0,3 l/min) o stato flussostato (rispettivamente ON e OFF) (respectively ON and OFF)
Page 25
ACCESS TO INSTALLER'S PARAMETERS INSTALLER PARAMETERS Only qualified persons should alter any of FAST CONFIGURATION the settings or parameters. Incorrect adjustment would cause defective opera- PAR DESCRIPTION RANGE UNIT OF INC/DEC DEFAULT tion and damage the boiler and would MEASUREMENT UNIT SETTING invalidate the warranty.
Page 26
BOILER PAR 2 PARAMETERS INSTALLER Instantaneous boiler with diverter valve microswitch and flow switch EXPANSION CARD Instantaneous boiler with diverter valve microswitch, PAR DESCRIPTION RANGE UNIT OF INC/DEC DEFAULT MEASUREMENT UNIT SETTING flow switch and solar combining Number of expansion boards 0 ...
Page 27
EXTERNAL SENSOR If there is an external sensor, the heating settings SET can be taken from the climatic curves according to the external tempera- ture and, in any case, limited to with the range values described in point 3.3 (para- meters PAR 25 for zone 1 and PAR 26 for zone 2).
Page 28
Check also that the cable is not shorted, WATER FLOW SWITCH HEAD AVAILABLE badly worn or distorted. TO SYSTEM The water flow gauge (4 fig. 3) intervenes, blocking burner operation in the case of low Residual head for the heating system is In the case of a sudden lack of voltage, the pressure or pump failure.
This operation must be performed by The standard display will automatically stion seals have been verified, and the inlet authorised personnel using original Sime return after 10 seconds. gas pressure has been verified then adjust- components.
Page 30
Before removing or refitting the front panel of the boiler, open the small upper plastic door. SIME Code 8102750 Model MURELLE EV HE 25/55 Serial n. 9999999999 GC No 47-283-15 PAR 1 = 20 (G20) / 22 (G31) PAR 2 = 3...
Page 31
seconds, the Chimney sweep icon will illumi- nate. The boiler will ignite and continue for 15 minutes in heating mode. The burner will turn off at 80 degrees and reignite at 70 degrees. (Warning! Ensure adequate circulation around heating system before activating the Chimney sweep function).
Page 32
FUNCTIONING ERRORS that the filling loop is disconnected. If the panel (2) to restart the boiler. problem persists, seek technical advice. If the problem persists seek technical Where there is a functioning error an advice. alarm appears on the display. The blue –...
Page 33
tes. The boiler will then attempt to – FAN ERROR 15 (Fig. 23/n) When the mixed zone board is connec- restart. Possible causes of this error If the fan speed is not within the rated ted to the boiler, intervention of the are faulty or jammed pump, blocked speed range,the display will show “ALL safety thermostat switches the pump,...
Page 34
(and gas rate) have gas sampling point as shown in the dia- Remove small cover retaining screw and been verified, contact Sime Ser vice gram and check combustion as described remove the cover. department.
Page 35
Failure to install and commission according to the manufacturer’s instructions and complete this Benchmark Commissioning Checklist will invalidate the warranty. This does not affect the customer’s statutory rights. If yes, and if required by the manufacturer, has a water scale reducer been fitted? CONDENSING BOILERS ONLY The condensate drain has been installed in accordance with the manufacturer’s instructions and/or BS5546/BS6798 If the condensate pipe terminates externally has the pipe diameter been increased and weatherproof insulation fitted?
Page 36
Service Record It is recommended that your heating system is serviced regularly and that the appropriate Service Interval Record is completed. Service Provider Before completing the appropriate Service Record below, please ensure you have carried out the service as described in the manufacturer’s instructions.
Page 37
MAINS PRESSURE HOT WATER STORAGE SYSTEM COMMISSIONING CHECKLIST This Commissioning Checklist is to be completed in full by the competent person who commissioned the storage system as a means of demonstrating compliance with the appropriate Building Regulations and then handed to the customer to keep for future reference. Failure to install and commission this equipment to the manufacturer’s instructions may invalidate the warranty but does not affect statutory rights.
Page 38
SERVICE RECORD It is recommended that your hot water system is serviced regularly and that the appropriate Service Record is completed. Service Provider Before completing the appropriate Service Record below, please ensure you have carried out the service as described in the manufacturer’s instructions.
FAULT FINDING If an electrical fault occurs on the appliance SHORT CIRCUIT approx.: 240 V ac. the preliminary electrical system checks CHECK – Test leads from L to E “ ” meter reads must be carried out first. approx. 240 V ac. Switches turned FULL ON - meter set on Ω...
REPLACEMENT OF PARTS 6. 1 EXPANSION VESSEL – Isolate gas supply – Isolate flow and return valves – Isolate flow and return valves – Drain boiler using drain vent – Turn off power supply – Drain boiler using drain vent –...
Page 41
the display and the boiler runs – Refit in reverse using new gasket. at minimum power. 4. With the SHUTTER (5 fig. 25) fully 6. 1 4 DHW EXPANSION VESSEL open, adjust the OFF-SET (6 fig. 25) to obtain the first pressure Turn off power supply value shown in Table 1 - OFF-SET Remove boiler covers...
EXPLODED VIEWS COD. 3830050/617 TYPE MURELLE EV HE 25-55/30-55 DATE 18.06.2009 PAGE...
Page 43
3830050/617 MURELLE EV HE 25-55/30-55 18.06.2009 COD. TYPE DATE PAGE...
Page 46
Dealing with Condensate Five suitable drainage points 1. Internal drain stack pipe 2. Waste water pipe * 3. External drain or gully * 4. Rainwater hoppers that carry both rain water and foul water * 5. Purpose-made soakaways * Care should be taken not to contaminate any “Grey Water Systems” Pipework Condensate pipework should be plastic, same as used for standard wastewater plumbing.
Need help?
Do you have a question about the MURELLE EV HE 25 and is the answer not in the manual?
Questions and answers