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- Page 1 Cod. Condensing wall mounted boiler MURELLE.HT T USER, INSTALLATION AND SERVICING INSTRUCTIONS To consult the documentation, visit our website www.sime.it Fonderie SIME S.p.A. 6330338B - 11/2022 - R9 TRANSLATION OF THE ORIGINAL INSTRUCTIONS...
- Page 2 (80-60°C) (Pn min - Pn max). Example for MURELLE.HT 25 T boiler: – default heating power range: 1,65 - 24,2 setting of PAR 19 = 100 – “reduced” heating power range: 1,65 - 19,7 setting PAR 19 = 80 MURELLE.HT T...
- Page 3 It must therefore be kept for – The appliance must be used as intend- future reference and must always ac- ed by Sime who is not responsible for company the appliance in the event the any damage caused to persons, animals...
- Page 4 RESTRICTIONS IT IS FORBIDDEN IT IS FORBIDDEN – To allow children under the age of 8 to – To block the condensate drain (if present). use the appliance. The appliance can be – To pull, detach or twist the electrical ca- used by children no younger than 8 years bles coming out of the appliance even if old, by people with physical or cognitive...
- Page 5 RANGE MANUAL STRUCTURE This manual is organized as follows. MODEL CODE MURELLE.HT 25 T (Methane) 8115111 MURELLE.HT 35 T (Methane) 8115113 MURELLE.HT 25 T (GPL) 8115116 USER INSTRUCTIONS MURELLE.HT 35 T (GPL) 8115118 TABLE OF CONTENTS COMPLIANCE Our company declares that MURELLE.HT T boilers comply with the...
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Page 7: Table Of Contents
USER INSTRUCTIONS TABLE OF CONTENTS USING THE BOILER MURELLE.HT T MAINTENANCE Control panel ........8 Adjustments. -
Page 8: Using The Boiler Murelle.ht T
USING THE BOILER MURELLE.HT T Control panel 13 14 Menu Modo Zona 12 11 Fig. 1 Measured outdoor temperature “ESC” button: go back to the previous screen Presence of external sensor (SE) LOCKOUT NOTIFICATION: when the boiler is locked, the button Heating circuit “1”... -
Page 9: Start-Up
1.2.2 Ignition Start-up After having carried out the preliminary checks, perform the follow- 1.2.1 Preliminary checks ing to start the boiler: – set the main system switch to "ON" – after a few seconds, the “Main screen” is shown WARNING –... -
Page 10: Settings Using The Mode Function
Settings using the MODE function – turn the encoder to select the desired zone e.g. Zone 1 From the “Main screen”: (Zone 1) or Zone 2 (Zone 2) Mon 01.01.2018 10:30 – press the click encoder to confirm the highlighted zone and go to the row Zone 1 Information... -
Page 11: Fault Warnings
Time Programming – turn the encoder to modify the “Data/value” in the permit- The control panel allows up to a maximum of four daily time bands ted field (e.g. OFF - ECO - MAN - AUTO) to be managed for the domestic hot water function and the heating function described below. -
Page 12: Shutdown
CAUTION If the user is away temporarily, for a weekend, short trip etc and if the outside temperature is at ZERO: If NO time band is required, set the start and stop times of that band to the same value (e.g. [3] 14:00-14:00). –... -
Page 13: Maintenance
MAINTENANCE DISPOSAL Adjustments Disposal of the equipment (European Direc- tive 2012/19/EU) For the appliance to operate correctly and efficiently it is recom- mended that the User calls upon the services of a Professionally Qualified Technician to carry out ANNUAL maintenance. IT IS FORBIDDEN dispose of the product with urban waste. - Page 15 DESCRIPTION OF THE APPLIANCE TABLE OF CONTENTS Main water circuit ......20 DESCRIPTION OF THE APPLIANCE Sensors.
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Page 16: Description Of The Appliance
The MURELLE.HT T boilers can be identified by means of: MURELLE.HT T ers which Sime has produced for heating and domestic hot water this is located on the outside of the packaging Packaging label: production when combined with a storage tank. -
Page 17: Technical Data Plate
5.3.1 Technical Data Plate NAME APPLIANCE TYPE SERIAL NUMBER CODE ... -
Page 18: Structure
Structure Heat exchanger bleed point System relief valve Heat exchanger Boiler drain Combustion chamber door System pump Oversleeve Water pressure transducer Flame viewing window Automatic bleed valve Ignition/detection electrode Return sensor (SR) Air-gas mixer Heat safety thermostat Expansion vessel Delivery sensor Air inlet pipe Condensate siphon Air-smoke chamber... -
Page 19: Technical Features
Technical features MURELLE.HT T DESCRIPTION CERTIFICATIONS Country of intended installation IT - ES - PT - EN - FR - DE - NL - CZ - RU Fuel G20 / G31 PIN number 1312CS6249 Category II2H3P Appliance classification B23P - B53P - C(10)3 - C13 - C33 - C43 - C53 - C83 - C93 Class NO 6 (<... -
Page 20: Main Water Circuit
MURELLE.HT T DESCRIPTION TEMPERATURE PRESSURE Max operating temperature (T max) °C Heating adjustment range °C 20÷80 Domestic hot water adjustment range °C 10÷60 Max operating pressure (PMS) Water content in boiler Lower Heat Output (Hi) 9.45 kW/m (15°C, 1013 mbar) - G31 Hi. 12.87 kW/kg (15°C, 1013 mbar) G20 Hi. -
Page 21: Expansion Vessel
The flow-head performance curve available for the remote hot water Expansion vessel tank coil is shown in the graph below. The expansion vessel installed on the boilers has the following char- acteristics: RESIDUAL HEAD (mbar) MURELLE.HT T Description Total capacity 10,0 Prefilling pressure Useful capacity... -
Page 22: Control Panel
5.10 Control panel 13 14 M e n u M o d o Z o n a 12 11 Fig. 29 Measured outdoor temperature “ESC” button: go back to the previous screen Presence of external sensor (SE) LOCKOUT NOTIFICATION: when the boiler is locked, the button Heating circuit “1”... -
Page 23: Wiring Diagram
5.11 Wiring diagram TA2* (PT1000) GREEN VIOLET MBUS BLACK +24Vdc 4 5 6 10 11 12 13 14 15 16 17 18 WIFI WHITE GREEN YELLOW ORANGE GREEN GREEN CN20 CN19 CN23 BROWN BLUE BLACK CN22 BLUE CN17 BLUE CN11 CN13 CN12 CN21... - Page 24 CAUTION CAUTION Users must: Users must: – To mount an omnipolar residual-current circuit breaker – Connect the earth wire to an effective earthing system. conforming to EN standards that allows for complete- The manufacturer is not responsible for any damage ly disconnecting the system in overvoltage category III caused by failure to earth the appliance or failure to ob- conditions (that is, with a gap of at least 3 mm between...
- Page 25 INSTALLATION AND SERVICING INSTRUCTIONS TABLE OF CONTENTS 7.3.7.5 SETTINGS menu ..... . 54 INSTALLATION 7.3.7.6 CONFIGURATION menu ....55 Receiving the product .
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Page 26: Installation
INSTALLATION CAUTION Dimensions and weight The appliance must only be installed by the Sime Techni- cal Service or by qualified professionals who MUST wear suitable protective safety equipment. Receiving the product MURELLE.HT T appliances are delivered in a single unit protected by cardboard packaging. -
Page 27: Installation Room
Installation room New installation or installation of a replace- ment appliance The room where the appliance is to be installed must comply with the When MURELLE.HT T boilers are installed on old systems or sys- Technical Regulations and Legislation in force. It must be equipped tems requiring updating, it is recommended the installer checks with suitably sized ventilation openings when the installation is a that:... -
Page 28: Water System Treatment
Water system treatment Plumbing connections When filling and restoring the system it is good practice to use water The plumbing connections have the following characteristics and with: dimensions. – aspect: clear if possible – Ph: 6÷8 – hardness: < 25°f. If the water characteristics are different from those indicated, it is recommended that a safety filter is used on the water delivery pipe to retain impurities, and a chemical treatment system to protect... -
Page 29: Condensate Outlet/Collection
G20 gas or G31. The G20 models can be converted to function with – a neutralising device is prearranged G31 using the "specific nozzle kit" (optional) provided by Sime on – the outlet incline is >3% . request separately from the boiler. -
Page 30: Smoke Outlet And Combustion Air Inlet
flue ducts and combustion air inlet ducts. These ducts are considered an integral part of the boiler and are provided by Sime as an accessory kit, to be ordered separately from the appliance on the basis of the type permitted and the system requirements. -
Page 31: Coaxial Duct (Ø 60/100Mm And Ø 80/125Mm)
6.12.1 Coaxial duct (Ø 60/100mm and Ø 80/125mm) Accessory 8089912 for Ø 80 mm is supplied with an INLET DIA- PHRAGM NOT TO BE USED Accessory 8089913 for Ø 60 mm is supplied with an inlet collar which Coaxial accessories must be replaced with the one on the boiler. - Page 32 Combustion air inlet Load loss accessory Ø 80 mm The combustion air inlet, with separate ducts, is assembled as fol- Load loss (mm H lows: MURELLE.HT MURELLE.HT Description Code – remove the air outlet cap (5); choose your preferred air vent from 25 T 35 T the two available...
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Page 33: Electrical Connections
Example: calculation of the load loss of a MURELLE.HT 25 T boiler. To facilitate introduction of the connection wires of the optional components into the boiler: Load loss (mm H Accessories Ø 80 Code Quantity – remove the screws (1), pull the front panel (2) forwards and re-... -
Page 34: External Temperature Sensor
– Wireless room probes ; with this configuration the adjustment of the values is located in the menu: ZONES ZONE no._ ADJUSTMENT → → – SIME HOME PLUS ; with this configuration the adjustment of the values is located in the menu: TECHNICAL → ZONE HEATING Climatic curve Delivery temperature °C... -
Page 35: Chrono-Thermostat Or Air Thermostat
Delivery temperature – turn the encoder to select “Heating” (Heating) °C 27,5 22,5 – press the click encoder to confirm “Heating” (Heating) and open the submenu 17,5 Heating 12,5 Zone 1 [...] Summer Winter Zone 2 [...] Hot water °C Heating Fig. -
Page 36: System Solutions
6.14 System solutions 6.14.1 Quick boiler system type configuration Parameter “TSP 02 = Hydraulic configuration” is used to quickly configure the type of system installed after the boiler. According to the value set for this parameter, one of the following system solutions is selected: –... -
Page 37: Plant Solution Diagrams With Zone Room Thermostat
6.14.2 Plant solution diagrams with zone room thermostat Solution 4: System with two direct multi-zone circuits and a remote hot water tank R1 = PC1 R2 = PC2 SE = SE SB = SB TA1 = TZ1 TA2 = TZ2 Boiler delivery Hot water tank delivery Zone thermostat... - Page 38 Solution 11: System with instant boiler with one direct multi-zone circuit, a mixed multi-zone circuit and a remote solar hot water tank for preheating domestic hot water PT1000 S2 AUX = PC1 = PC2 = PS = SC PT1000 = SE = SB S2 AUX = SBS...
- Page 39 Solution 13: System with one direct multi-zone circuit, a remote hot water tank and a hot/cold mode system S1 AUX SHP M PRO CONNECTIONS TO TERMINALS = ON/OFF PdC = TZ2 = VD AP = SE SHP ECO EV SHP M PRO = VD CH = SB ON/OFF PdC...
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Page 40: Plant Solution Diagrams With Wireless Room Probes And Radio-Frequency Receiver
6.14.3 Plant solution diagrams with wireless room probes and radio-frequency receiver Solution 4: System with two direct multi-zone circuits and a remote hot water tank = PC1 = PC2 = SE = SB Boiler delivery Hot water tank delivery Hot water tank sensor Boiler return Hot water tank return Hydraulic separator... - Page 41 Solution 11: System with instant boiler with one direct multi-zone circuit, a mixed multi-zone circuit and a remote solar hot water tank for preheating domestic hot water PT1000 S2 AUX = PC1 = PC2 = PS = SC PT1000 = SE = SB S2 AUX = SBS...
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Page 42: Displaying The Set System Solution
6.15 Displaying the set system solution 6.16 Refilling or emptying From the “Main screen”: Before carrying out the operation described below, make sure that the main system switch is set to "OFF". – turn the encoder to select the “Menu” (Menu) function and press the click encoder to enter the “Menu”... -
Page 43: Emptying Operations
6.16.2 EMPTYING operations Heating circuit: – open the isolation and air bleeding valves in the highest points of the system Domestic hot water circuit (storage tank): – loosen the automatic bleed valve (3) – close the domestic hot water circuit isolation valve (prearranged –... -
Page 44: Commissioning
– Should it be necessary to access the areas in the bot- not to alter optimal appliance operation. For any specif- tom part of the appliance, make sure that the system ic support, please contact the Sime Technical Assistance components and pipes are not hot (risk of burning). Service. -
Page 45: Fault Warnings
– turn the encoder to select the desired zone e.g. Zone 1 – turn the encoder to modify the “Data/value” in the permit- (Zone 1) or Zone 2 (Zone 2) ted field (e.g. OFF - ECO - MAN - AUTO) –... -
Page 46: Time Programming
7.3.3 Time Programming – continue in this way until all the necessary modifications have been made for each day of the week or group of days. The control panel allows up to a maximum of four daily time bands to be managed for the domestic hot water function and the heating : The user must work in a CIRCULAR manner, meaning AL- NOTE function described below. -
Page 47: Navigating From The Mode Function
7.3.4 Navigating from the MODE function Mon 01.01.2018 10:30 MENU Mode Zones Hot water Program. Time Day/s Monday Function Mode Summer Winter Summer Winter Hot water setting 45°C Hot water Hot water °C °C 0246 Program. Time [...] [1] 06:00 - 08:00 Heating Heating [2] 11:00 - 13:00... -
Page 48: Settings Under The Menu Function
7.3.5 Settings under the MENU function – turn the encoder and modify the “data/value” in the field 7.3.5.1 GENERAL SETTINGS menu allowed (e.g. from ENG to ITA) From the “main screen”, proceed as follows: GENERAL SETTINGS Mon 01.01.2018 10:30 Language Date and time [...] Display... - Page 49 – the first modifiable “Data/value” is highlighted (e.g. 06) The “Display" menu allows the user to adjust: – display contrast – turn the encoder to modify the “Data/value” (e.g. from 06 – duration of the display back-lighting to 12) The operating procedure is as has been described so far. –...
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Page 50: 7.3.5.2 Information Menu
We recommend not changing the factory settings so as Version SCP 1.00 not to alter optimal appliance operation. For any specif- Version MB 1.00 ic support, please contact the Sime Technical Assistance Version BC 1.00 Service. Fig. 90 From the “Main screen” : Mon 01.01.2018... - Page 51 – press the encoder to confirm the highlighted “Row” and – turn the encoder to select the “Menu” (Menu) function and click access the modifiable area press the click encoder to enter the “Menu” (Menu) selection screen Plant solution – turn the encoder to select the “TECHNICAL”...
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Page 52: Navigating From The Menu Function
7.3.6 Navigating from the MENU function Mon 01.01.2018 10:30 MENU Mode Zones Menu GENERAL SETTINGS GENERAL SETTINGS [...] Language INFORMATION [...] Date and time [...] TECHNICAL [...] Display [...] Factory settings [...] GENERAL SETTINGS Date and time Language MONTH YEAR Date and time [...] Date:... - Page 53 Menu Information TECHNICAL TECHNICAL GENERAL SETTINGS [...] Flow temperature 25°C Information [...] INFORMATION [...] Return temperature 49°C Plant solution [...] TECHNICAL [...] External probe 0°C Technician param. [...] Confirm operation Fan speed Chimney sweeper [...] Modulation level [...] Exhaust temp. 41°C Confirm Hot water temp.
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Page 54: Settings Under The Zone Function
7.3.7 Settings under the ZONE function 7.3.7.5 SETTINGS menu From the “Main screen”: 7.3.7.4 INFORMATION menu The INFORMATION menu is read-only and the data cannot be mod- Mon 01.01.2018 10:30 ified. From the “Main screen”: Mon 01.01.2018 10:30 Menu Mode Zones Fig. -
Page 55: 7.3.7.6 Configuration Menu
– press the encoder to confirm the highlighted “Row” and click Zone 1 access the modifiable area Information [...] Settings [...] Room 1 - Settings Config [...] Function Mode AUTO Set AUTO comfort 20.5°C Set AUTO reduced 17.0°C Set MAN 19.2°C Fig. - Page 56 The full list of configuration parameters can be found in the tables Water circuit parameters (hydraulic) below. Parameter Description = Zone and circuit not present or not controlled Room sensor parameters = Circuits integrated in the boiler (fixed: Circuit 1 CALD Type for Zone 1 and Circuit 2 for Zone 2)
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Page 57: Navigating From The Zone Function
7.3.8 Navigating from the ZONE function Mon 01.01.2018 10:30 MENU Mode Zones Zones Zone 1 Room 1 - Information Zone 1 [...] Information [...] Room temperature 20°C Zone 2 [...] Settings [...] Room setting 23°C Zone 3 [...] Config [...] Room Program AUTO Zone 4... -
Page 58: Parameter Setting And Display
– where the “Parameter index” (Parameter Index:)refers to the ta- Parameter setting and display ble found in section “List of parameters” To access the parameters menu from the “Main screen” : – Turn the encoder to scroll through the list of parameters Mon 01.01.2018 10:30 and check the value... -
Page 59: List Of Parameters
List of parameters Parameter PAR 01 is factory set according to the table “A” below and automatically generates the settings for parameters PAR 05 and PAR 09. IT IS FORBIDDEN Use settings other than those shown in table “A” as this could generate a serious boiler malfunction. TABLE “A”... - Page 60 PAR. Description Range Step Default 0 = not used 1 = solar pump 2 = direct zone 1 3 = N.O. boiler ON/OFF status output 4 = N.C. boiler ON/OFF status output 5 = N.O. alarm output 6 = N.C. alarm output 7 = direct zone 2 8 = mix valve (position A) 9 = mix valve (position B)
- Page 61 PAR. Description Range Step Default 0 = not used 1 = solar pump 2 = direct zone 1 3 = N.O. boiler ON/OFF status output 4 = N.C. boiler ON/OFF status output 5 = N.O. alarm output 6 = N.C. alarm output 7 = direct zone 2 8 = mix valve (position A) 9 = mix valve (position B)
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Page 62: Fault / Malfunction Codes
Fault / malfunction codes Type Description If a fault occurs, the screen “Anomaly in progress” (FAULT IN PRO- Maximum number of consecutive resets reached GRESS) will appear in place of the “main screen”. For the main fault Return sensor fault (boiler sensor fault for T models) codes, a brief description and suggestions for the user are dis- played, based on the seriousness and the frequency with which the PT1000 sensor fault... -
Page 63: Checks And Adjustments
– close the gas valve Checks and adjustments – loosen the screw of the "mains pressure" point (5) and connect a After checking that the boiler is operating correctly, you must take pressure gauge combustion readings as well as maximum and minimum power readings, and check the combustion efficiency by activating the chimney sweeper function 7.7.1... -
Page 64: Gas Conversion
Gas conversion – turn the encoder to select “En. Chimney Sweeper” (En. MURELLE.HT T models can be converted from operating with G20 to G31 by installing the “Nozzle kit for G31” code 5185138 (for MUR- Chimney Sweeper) row and press the click encoder to enter ) and code 5185140 (for MURELLE.HT 35 T ) to be or-... - Page 65 – unscrew the screws (3) and remove the cover (4) – unscrew the screw (5) and remove the plate (6) Fig. 137 – replace the two distinct nozzles (7) and (8) and the related O-ring (9) with those provided in the conversion kit. Having two distinct nozzle heads avoids them being inverted during assembly –...
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Page 66: Maintenance
MAINTENANCE Adjustments Cleaning the inside of the appliance For the appliance to operate correctly and efficiently it is recom- 8.3.1 Removing components mended that the User calls upon the services of a Professionally Qualified Technician to carry out ANNUAL maintenance. To access the internal parts of the boiler: –... -
Page 67: Cleaning The Burner And The Combustion Chamber
CAUTION – loosen the clips (6) and extract the air inlet pipe (7) – unscrew the swivel joint (8) Work carefully when removing the assembly (13) to pre- – extract the connectors (9) from the fan and disconnect the elec- vent any damage occurring to the internal insulation of trode cable (10) the combustion chamber and the door seal. -
Page 68: Unscheduled Maintenance
- Set the parameter PAR 04 system type sensor fault in tank boiler (Combustion configuration) to 0 mode MURELLE.HT 25 T (Methane) MURELLE.HT 35 T (Methane) Smoke probe - Check the sensor is working MURELLE.HT 25 T (GPL) intervention - Replace the smoke probe MURELLE.HT 35 T (GPL) - Page 69 Type Fault Solution Type Fault Solution Solar hot water tank - Check the sensor connection Configuration error - Check the Zone 1 settings in sensor fault - Check the sensor is working with Zone 1 the ZONE menu - Check that the system solution Configuration error - Check the Zone 2 settings in Solar system...
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Page 70: Product Data Sheet
PRODUCT DATA SHEET MURELLE.HT T C.H. energy efficiency class Heat output (kW) C.H. annual energy consumption (GJ) C.H. seasonal energy efficiency (%) Sound power dB(A) Specific precautionary measures to be adopted at the time of assembly, installation or maintenance of the equipment are contained in the boiler instruction manual Conforming to Annex IV (item 1) of the Delegated Regulations (EU) No. -
Page 71: Boiler Technical Sheet
Qfuel Contact details Fonderie Sime S.p.A. Via Garbo 27, 37045 Legnago (VR) ITALIA a. High-temperature regime means 60°C return temperature at heater inlet and 80°C feed temperature at heater outlet. b. Low-temperature regime means for condensing boilers 30°C, for low-temperature boilers 37°C and for other heaters 50°C return temperature. - Page 72 Qfuel Contact details Fonderie Sime S.p.A. Via Garbo 27, 37045 Legnago (VR) ITALIA a. High-temperature regime means 60°C return temperature at heater inlet and 80°C feed temperature at heater outlet. b. Low-temperature regime means for condensing boilers 30°C, for low-temperature boilers 37°C and for other heaters 50°C return temperature.
- Page 76 Fonderie Sime S.p.A - Via Garbo, 27 - 37045 Legnago (Vr) Tel. +39 0442 631111 - Fax +39 0442 631292 - www.sime.it...
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