Table of Contents
Advertisement
Quick Links
Advertisement
Table of Contents
Subscribe to Our Youtube Channel
Related Manuals for Strebel S-FX Series
Summary of Contents for Strebel S-FX Series
- Page 1 STREBEL S-FX Boiler Range Models 70 – 125 – 220 - 320 Floor Standing High Efficiency Condensing Boiler Installation, Operating & Maintenance Manual Please read and understand before commencing installation and leave the manual with the customer for future reference.
-
Page 3: Table Of Contents
TABLE OF CONTENTS INTRODUCTION ..........................6 SAFETY GUIDELINES ......................... 6 TECHNICAL DATA for S-FX BOILERS ....................8 ...................... 8 UNCTIONAL INTRODUCTION 3.1.1 Technical specifications datasheet ................9 ................... 10 PECIFICATIONS ATASHEET BOILER DIMENSIONS ........................11 S-FX 70 ..........................11 S-FX 125 ..........................11 S-FX 220 .......................... - Page 4 9.6.3 1 x Direct heating circuit & 1 x dhw primary circuit with three way valve ....33 9.6.4 1 x Direct heating circuit & 1 x dhw primary circuit with pump (with phe) ....33 9.6.5 3 x S-FX in cascade: 1 x Direct heating circuit & 1 x dhw primary circuit with pump . 34 9.6.6 Remote on / off control, remote reset &...
- Page 5 18.1 ........................ 66 AFETY GUIDELINES 18.2 ..................66 O TURN OFF GAS TO THE APPLIANCE 18.3 ....................66 AINTENANCE AND INSPECTION...
-
Page 6: Introduction
▪ The User. Strebel Ltd are not accountable for any damage caused by incorrect following these instructions. For service and repair purposes use only original Strebel Ltd spare parts. All documentation produced by the manufacturer is subject to copyright law 2 SAFETY GUIDELINES Carefully read all the instructions before commencing installation. - Page 7 These instructions are written for the installer of Strebel products and contain all necessary information on the installation and adjustment of S-FX ranges of boilers. Please read these instructions fully before installation to ensure that all work is carried out correctly.
-
Page 8: Technical Data For S-Fx Boilers
3 TECHNICAL DATA FOR S-FX BOILERS 3.1 Functional introduction The S-FX boilers is a high efficiency, low emissions premix condensing heat generator for heating, running on natural gas or LPG and equipped with a microprocessor control system. The boiler body consists of a patented stainless-steel helical tube heat exchanger and a premix burner in stainless steel, equipped with electronic ignition with ionisation flame control, modulating fan and modulating gas valve. -
Page 9: Technical Specifications Datasheet
3.1.1 ECHNICAL SPECIFICATIONS DATASHEET GENERAL Product identification number: CE 0085CL0441 Gas Appliance Type Boiler Model S-FX 70 S-FX 125 S-FX 220 S-FX 320 Classification II2H3P II2H3P II2H3P II2H3P Water Content litre Weight (empty) R 1 ¼” R 1 ¼” R 2” Flow Connection inch / F DN65 PN16... -
Page 10: Erp Specifications Datasheet
NOTES Using propane (LPG), LPG conversion kit to be fitted and parameter change required Min. and max. gas supply pressures. p nominal [mbar] p min [mbar] p max [mbar] requirement of the unit – 0.1% tolerance either way The CO Maximum allowed combined resistance of flue gas piping at high fire Power consumption is measured without circulation pump 3.2 ErP Specifications Datasheet... -
Page 11: Boiler Dimensions
4 BOILER DIMENSIONS 4.1 S-FX 70 4.2 S-FX 125... -
Page 12: S-Fx 220
4.3 S-FX 220 4.4 S-FX 320... -
Page 13: Installation Of The S-Fx Boilers
5 INSTALLATION OF THE S-FX BOILERS 5.1 General Notes The S-FX boiler is mounted on a pallet with a wooden “support” frame around it. The boiler is wrapped in shrink warp before the wooden support frame is mounted. After the frame is placed the whole pallet, boiler and frame package is shrink wrapped again. -
Page 14: Connections
6 CONNECTIONS 6.1 Boiler connections S-FX S-FX 70 S-FX 125 S-FX 220 S-FX 320 Flow Connection Size 1 ¼" Threaded 1 ¼" Threaded 2" Threaded DN65 Flanged PN16 Primary Return Connection Size 1 ¼" Threaded 1 ¼" Threaded 2" Threaded DN65 Flanged PN16 Secondary Return Connection Size 1 ¼"... -
Page 15: Gas Connection
6.2 Gas Connection Before making the connection, make sure the S-FX applaince can operate with the type of fuel available. Clean all the pipes of the gas system to remove any residues that could affect correct functioning of the boiler. Connection of the S-FX appliance to the fuel supply must comply with current installation standards. -
Page 16: Flow & Return Connections
6.3 Flow & Return Connections Before making the connection, carefully flush all the pipes of the system to remove residues or impurties that could affect the operation of the unit. See “water quailty” and “chemical water treament” chapters. S-FX S-FX 70 S-FX 125 S-FX 220 S-FX 320... -
Page 17: Water Quality
6.4 Water quality The system water must be checked periodically (at least twice a year during the seasons of use, as required by UNI8065) and possibly have a clear appearance and must be within the following parameters: • Water PH: From 7 to 8.5. -
Page 18: Expansion Vessel
6.7 Expansion Vessel The capacity of the expansion vessel must be selected and based on the capacity of the central heating system and the static pressure. Suggested is to fit the expansion vessel in the return pipe of the central heating system. 6.8 Pressure relief valve The S-FX boiler has no internal pressure relief valve, it is required to be installed as close to the boiler on the flow pipe of the heating system. -
Page 19: Installing A Strainer And/Or Dirt Separator
6.14 Installing a strainer and/or dirt separator Always install a strainer (water filter) SYSTEM WITH DIRT SEPARATOR and/or a dirt separator in the return pipe WATER of the boiler; in such a way that the water DIRT SEPARATOR WATER FLOW TO RETURN FROM going to the boiler is free of any BOILER(S) -
Page 20: Boiler Shunt Pump
7 BOILER SHUNT PUMP The S-FX boilers do not have an internal shunt pump therefore using the following graphs, select a pump that is compatible with the hydraulic resistance of the boiler and the system against the required flow rate. 7.1 S-FX 70 &... -
Page 21: Flue Gas And Air Supply System
8 FLUE GAS AND AIR SUPPLY SYSTEM 8.1 General The S-FX boiler range is a B23 type with combustion air drawn from the place of installation, and exhaust fumes discharged by means of a combustion fan (operation with flue pressurised) direct to outside air via a flue system. S-FX Boiler Range Description Flue Pressure the Fan can Overcome... -
Page 22: S-Fx Exhaust Flue Connection
A few examples of flue gas material suitable for the S-FX boilers: CE String for Plastic PPs: EN14471 T120 P1 W 2 O(30) I C/E L CE String for Stainless Steel: EN1856-1 T250 P1 W V2-L50040 O (50) When selecting flue gas systems, be aware that the minimum requirements are met. So only select flue gas materials having the same or better properties than this table. -
Page 23: Plantroom Combustion Air
8.3 Plantroom Combustion Air Being a type B23 type, combustion air is brought into the S-FX boiler from the installation room. The following conditions and considerations must be followed. • The equipment room MUST be provided with properly sized openings to assure adequate combustion air in accordance with the BS / IGEM standards. -
Page 24: Boiler Categories - Types Of Flue Gas Systems
8.4 Boiler categories - types of flue gas systems. CE string flue gas material min. req. PP EN 14471 T120 I of E min. req. SS EN 1856-1 T120 L20040 Flue Terminal Never use aluminum containing flue gas materials for this boiler range The flue terminal duct can be made of: •... -
Page 25: Horizontal Flue Terminal Risk Assessment
8.6 Horizontal Flue Terminal Risk Assessment Using the below risk assessment as per IGEM/UP/10 appendix 9 to work out if the horizontal flue terminal position is suitable or not. Appliances with net heat input exceeding 70kW and not exceeding 333kW low level flue discharge risk assessment (including net heat input for groups of appliances) Flue Position Is the suggested flue terminal location within the distance of the formula shown in chapter... -
Page 26: Other Flue Terminal Minimum Distances
8.7 Other Flue Terminal Minimum Distances All measurements are in mm Boiler Manufacturers & IGEM-UP-10 Boilers Rated >70kW Terminal Location <333kW Net Input (Fan Draught) Directly below an opening into the building 2500 Below gutter soil pipes etc. Below Eaves Below balconies or car port roof Not Recommended ** From vertical drain or soil pipe etc. -
Page 27: Electrical Installation
9 ELECTRICAL INSTALLATION 9.1 General • For operation, the boiler needs a power supply of 230 VAC 50Hz. • The boiler main supply connection is phase/neutral sensitive. • The wiring for the connections can be entered at the bottom of the boiler through the cable glands. •... -
Page 28: Electrical Schematics
9.4 Electrical Schematics S-FX 70... - Page 29 S-FX 125...
- Page 30 S-FX 220 & 320...
-
Page 31: Drawing Number Legend
9.5 Drawing Number Legend Drawing Number Part Description Combustion Fan Boiler Central Heating Shunt Pump Gas Valve Room Thermostat 1 Zone Room Thermostat 2 Zone Ignition Electrode Detection Electrode On / Off Switch Water Pressure Switch DHW Primary Circulating Pump Outside Sensor Remote Control 1 Zone... -
Page 32: Schematic & Wiring Examples
9.6 Schematic & Wiring Examples 9.6.1 IRECT HEATING CIRCUITS Legend 72 – Room Thermostat 1 72b – Room Thermostat 2nd Zone 138 – Outside Sensor Zone 307 – Heating Pump 1 306 – Heating Pump 2 I – ISPESL Safety Devices Zone Zone Required Parameter Changes... -
Page 33: Direct Heating Circuit & 1 X Dhw Primary Circuit With Three Way Valve
9.6.3 & 1 IRECT HEATING CIRCUIT X DHW PRIMARY CIRCUIT WITH THREE WAY VALVE Legend 32 – Common Heating Pump 72 – Room Thermostat 138 – Outside Sensor 155 – DHW Tank Sensor 348 – 3 Way Valve I – ISPESL Safety Devices Required Parameter Changes Every system requires different parameter settings, for the above system change the following parameters. - Page 34 9.6.5 S-FX & 1 IN CASCADE IRECT HEATING CIRCUIT X DHW PRIMARY CIRCUIT WITH PUMP Legend 72 – Room Thermostat 138 – Outside Sensor 155 – DHW Tank Sensor 298 – Cascade Flow Temp Sensor 130 – DHW Primary Pump 306 –...
-
Page 35: S-Fx In Cascade: 1 X Direct Heating Circuit & 1 X Dhw Primary Circuit With Pump . 34 9.6.6 Remote On / Off Control, Remote Reset & Bms Outputs Per S-Fx Boiler
9.6.6 & S-FX EMOTE ON OFF CONTROL REMOTE RESET BMS OUTPUTS PER BOILER Legend Drawing Number Description Remote Control: It can be installed in place of the room thermostat (72). Burner On Indication: Volt Free Contact – The example shows a 230v connection. Fault Indication: Volt Free Contact –... -
Page 36: Burner Controller And Display
10 BURNER CONTROLLER AND DISPLAY. 10.1 Display and buttons Legend Drawing Number Description Contextual Button 1 Contextual Button 2 Contextual Button 3 LCD Display Menu Navigation Button – Up Confirm / Menu Access Button Menu Navigation Button – Down Automatic / Manual Operation of CH & DHW Summer / Winter Selection Mode Economy / Comfort Mode Selection Mode Menu Exit Button... -
Page 37: Powering Up & Down
10.2 Powering Up & Down 10.2.1 T URNING ON THE S FX BOILER FOR THE FIRST TIME Once all the electrical wiring has been completed, the S-FX boiler is turned on by pressing the on / off button as per drawing number 14 shown in chapter 10.1. The screen will load as shown to the left. -
Page 38: User Menu Structure
10.3 User Menu Structure To access the User Menu Structure, from the home screen press the main menu button (number 12) and then the contextual button 1 as shown in the below diagram. The following chapters will explain each of the above settings. -
Page 39: Heating Parameter
10.3.1 H EATING ARAMETER Adjustment Temperature This parameter can be accessed by “USER MENU” > “HEATING” > AJUSTMENT TEMPERATURE.” Using the contextual buttons 1 and 2, the maximum CH setpoint and the minimum setpoint can be set. Once both settings have been set, press OK to confirm. Reduction Adjustment Temperature This parameter can be accessed by “USER MENU”... - Page 40 This parameter can be accessed by “USER MENU” > “HEATING” > “SLIDING TEMPERATURE” > “CURVE 1” Using the contextual buttons 1 and 2, the OTC curve can be set. This ranges from 1 to 10 and corresponds with curve numbers as shown on the “outside temperature graph”...
-
Page 41: Dhw Parameter
10.3.2 DHW P ARAMETER Adjustment Temperature This parameter can be accessed bu “USER MENU” > “DHW” > “ADJUSTMENT TEMPERATURE.” Using the contextual buttons 1 and 2, the DHW setpoint can be set. Once set, press OK to confirm. Reduction Adjustment Temperature This parameter can be accessed by “USER MENU”... -
Page 42: Holiday Function
The time program can be set using the up and down navigational buttons as: Individual day program. 5 day / 2 day program. 7 day program. Once you have selected the appropriate program, press the OK button. There are 6 independent time bands for each day of the week. -
Page 43: Technical Menu Structure
Once set, press OK to confirm. 10.4 Technical Menu Structure To access the Technical Menu Structure, from the home screen press the main menu button (number 12) and then the contextual button 2 as shown in the below diagram. The code required to enter the technical menu is “4 1 8” – Enter the code using the contextual buttons 1 & 2 one by one and press the OK button to confirm each number. -
Page 44: Configuration Parameterb
10.4.3 C ONFIGURATION ARAMETER There is a total of 16 parameters within the configuration parameter. Each parameter is listed in the below table along with what they are set to as standard. Index Description Range S-FX 70 S-FX 125 S-FX 220 S-FX 320 Type of Gas 0 = Natural Gas... -
Page 45: Transparent Parameter - P
– P 10.4.4 T RANSPARENT ARAMETER There is a total of 31 parameters within the transparent parameter. Each parameter is listed in the below table along with what they are set to as standard. Index Description Range S-FX 70 S-FX 125 S-FX 220 S-FX 320 0 –... -
Page 46: System Parameter - P
– P. 10.4.5 S YSTEM ARAMETER There is a total of 23 parameters within the system parameter. Each parameter is listed in the below table along with what they are set to as standard. Index Description Range S-FX 70 S-FX 125 S-FX 220 S-FX 320 P.01... -
Page 47: S-Fx Information Menu
10.4.6 S-FX I NFORMATION To enter the information menu, press the contextual button number 2 from the home screen. Then using the navigational buttons (number 5 & 7), you can scroll through each parameter. This menu consists of the following information. Heating Demand OT - means Open Therm control demand. -
Page 48: Fx Cascading
11 S-FX CASCADING 11.1 System setup The S-FX boiler controller can control manage up to 6 boilers in a cascade (1 x master & 5 x slaves) setup. An additional system temperature sensor is necessary to measure the cascade system supply temperature. Make all electronical connections (terminal 1 to 30) on the master boiler such as any sensors, system pumps, heat demand control. -
Page 49: Natural Gas To Lpg Conversion
12 NATURAL GAS TO LPG CONVERSION To convert the S-FX boilers from natural gas (G20) to LPG (G31), there is two parts to this conversion which must be completed before firing the boiler. Part 1 – Fitting the LPG Conversion Kit 12.1 Each model has their own LPG conversion kit so please ensure the correct kit is ordered. -
Page 50: Commissioning The Boiler
13 COMMISSIONING THE BOILER 13.1 First: Flushing the Boiler with Water After installation of the boiler the first step, before commissioning, is to flush the boiler and the whole heating installation with fresh water to remove pollution, debris and other materials that might cause a blocking. This must also be done with heating installations, where only the boiler is replaced. -
Page 51: Adjusting And Setting The Boiler
14 ADJUSTING AND SETTING THE BOILER Before carrying out any adjusting of the burner, carefully read this complete chapter. The initial lighting of the appliance must be performed by a licensed Gas Technician. Failure to follow these instructions may result in property damage, serious injury or death. As soon as the appliance has been fully installed (with regard to hydraulics, filling and de- WARNING aeration of installation, gas, flue gas, air intake, wiring etc.) according to the preliminary... -
Page 52: Adjustment Values
14.1.2 A DJUSTMENT ALUES To make adjustments easier, values of table 1 & 2 are presented in the following figures. The CO values should always be between the values set in this figure. Nominal values can be found in the Technical specifications datasheet at the beginning of this manual. Gas Type G20: The CO level may never be in the hatched area. - Page 53 adjust 9.1 % max load O.K. 8.9 % S-FX 320 adjust adjust 8.6 % min load O.K. 8.4 % adjust ____________________________________________________________________________ LPG G31: The CO level may never be in the hatched area. adjust 10.4 % max load O.K. 10.2 % S-FX 70 adjust adjust...
-
Page 54: Putting The Burner Into High & Low Fire
14.2 Putting the Burner into High & Low Fire This is done through the user menu under the maintenance chapter under test mode. To enter this mode, navigate through the following path: “USER MENU” > “MAINTENANCE” > “TEST MODE” > “TEST MODE” Once in this mode the S-FX boiler will ignite and modulate up to a high fire. -
Page 55: Location Of Adjustment Screws
14.3.3 L OCATION DJUSTMENT CREWS S-FX 70 & 125 Gas Valve Low Fire Adjustment (Offset) : Located in the middle of the gas valve, turn clockwise to increase CO2. High Fire Adjustment (Throttle) : Located at the bottom of the gas valve within a red coloured fitting. -
Page 56: Cascade Test Mode
14.5 Cascade Test Mode This test mode allows for all boilers connected in cascade to be activated at the same time operating up to the same power. This will need to be selected through the master boiler which can be identified by the master icon shown on the display = To enter this mode, navigate through the following path: “USER MENU”... -
Page 57: Start Up Checklist
Model Serial number Installation date Cascade installation (Y/N) (YES/NO) After filling in form please send a copy by e-mail to: Number of boilers salesoffice@strebel.co.uk. Type of boilers in cascade Exhaust Flue Installation Information Diameter Total length Length horizontal Length vertical Length sloped at …..°... - Page 58 Water circulation & temperature regulation (for DHW) Piping diameter Total length of straight pipe between boiler & tank Number of elbows Number of tees Temperature rise between inlet and outlet after 5 min. cold-start operating max. power °C / °F Water temperature setpoint Test of Water Flow Switch (DHW)? (Yes/NO)
-
Page 59: Inspection, Maintenance And Service
15 INSPECTION, MAINTENANCE AND SERVICE. 15.1 General For a good, safe and long-time operation of the boiler and to maintain warranty it is mandatory to carry out inspection, maintenance and service on the boiler at least once a year. Inspection, maintenance and service of the boiler should also be carried out on the following occasions: •... - Page 60 Removing the Top Casing Step 1: Undo the 4 screws shown in the picture on the right. This will allow the top panel A to be removed. Step 2: Undo the 6 screws as shown in the picture on the left. This will both the upper front panel B and the lower front panel C to be removed.
- Page 61 Gas Supply & Safeties The gas pipes must be checked for gas tightness. Also check if the mounting of these pipes is correct, safe and not damaged. Any built-in safeties should be checked for a correct functioning. Any gas pipe or fitting that have been opened or adjusted should be checked for leaks.
- Page 62 Gas/air ratio With every service check and/or maintenance of the boiler always check the gas/air ratio by measuring the CO percentage (flue gas) at the maximum and minimum load of the boiler. If necessary, adjust these values. For the values see chapter 14.1.1. Circulating Pumps (if wired directly into the S-FX boiler) Check the electrical wiring inside the boiler for any abnormalities and flow through the boiler is correct.
-
Page 63: Maintenance Checklist
15.3 Maintenance Checklist Allowing the boiler to operate with a dirty combustion chamber will hurt operation. Failure to clean the heat exchanger as required by the manual and dictated by the operating location could result in boiler failure, property damage, personal injury, or death. Such product failures ARE NOT covered under warranty WARNING Periodic maintenance should be performed once a year by a qualified service technician to assure that all the... -
Page 64: Fault Codes / Troubleshooting
16 FAULT CODES / TROUBLESHOOTING The S-FX boiler is equipped with an advanced self-diagnosis system. In the case of a boiler fault, the display will light up indicating the fault code and in case of connection in cascade, the number of the boiler module in fault. There are faults that cause a permanent shutdown (A fault codes) –... -
Page 65: Temporary Faults - F Codes (Automatically Reset)
– F C 16.1.2 T EMPORARY AULTS ODES UTOMATICALLY ESET Fault Code Fault Description Possible Causes Cure Flue Sensor Partially Blocked Exhaust Flue. Check flue for partial blockages. Tripped on Incorrect Combustion. Check combustion on high/low fire. High Temperature Flue Gas Sensor Fault. Check the flue gas sensor. -
Page 66: User Instructions
18 USER’S PART. This section is written for the user. Strebel Ltd is not accountable for any damage caused by incorrect following these instructions. For service and repair purposes use only original Strebel Ltd spare parts. All documentation produced by the manufacturer is subject to copyright law. - Page 67 (BLANK PAGE)
- Page 68 01276 685405 info@strebel.co.uk www.strebel.co.uk STREBEL LTD RESERVE THE RIGHT TO CHANGE ANY SPECIFICATIONS ON THIS BOILER RANGE WITHOUT NOTICE Further information on our complete product range is available from our website. CAST IRON – CONDENSING – STEEL SHELL – WATER HEATERS – RENEWABLES...
Need help?
Do you have a question about the S-FX Series and is the answer not in the manual?
Questions and answers