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PLEASE LEAVE THIS MANUAL WITH THE OSO UNIT AFTER INSTALLATION
This cylinder is manufactured and approved in accordance with EN 12897 : 2006
OSO Super S front view
Thank-you for purchasing the OSO Super S unvented hot water cylinder.
Designed to be simple and neat to install, the Super S differs from other unvented cylinders in that all of the
principle connections, including hot and cold water pipes, expansion vessel and primary heating pipes on indirect
units are connected to the top of the cylinder. Full size template is provided to facilitate pipe positioning.
OSO advise that the connecting pipes and electrical cables are fixed in place prior to the positioning of the cylinder. Moving
the cylinder into position should be the last thing done before connection of pipes and commissioning of the cylinder.
This manual gives detailed advice for installation and should be read carefully prior to fitting any unvented unit. Where
components are supplied only for indirect units, this is clearly shown. OSO Super S cylinders are not suitable for gravity
fed primary systems. In known hard water regions, precautions should be taken to prevent limescale formation in hot water
cylinders, in accordance with Building Regulation Part L, Domestic Heating Compliance Guide.
This OSO cylinder must be installed by a competent person and be installed in compliance with the OSO Installation and
Maintenance Instructions, all current legislation, codes of practice and regulations governing the installation of unvented hot
water cylinders in force at the date of installation.
PLEASE READ THIS MANUAL BEFORE INSTALLATION AND LEAVE UNDER THE CYLINDER TOP LID. THE
MANUAL AND ATTACHED LOGBOOK SERVE AS THE CYLINDER GUARANTEE.
OSO Hotwater UK Ltd.
Installation Manual
For Super SXD, SX, SCI & SC
Super S
Contents
1. General information ........................... 2
2. Cylinder Specifications ...................... 3
3. Preparation of installation area .......... 3
4. Connection of Pipework ..................... 4
5. Commissioning and filling up ............. 5
6. Electrical connection .......................... 5
7. Safety and Servicing ........................ 10
8. Fault finding ..................................... 11
10. Benchmark Logbook........................ 13
Top view 120-250
Page no.
Top view 300
Super S
1
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Summary of Contents for OSO HOTWATER Super S Series
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Page 1: Table Of Contents
Maintenance Instructions, all current legislation, codes of practice and regulations governing the installation of unvented hot water cylinders in force at the date of installation. PLEASE READ THIS MANUAL BEFORE INSTALLATION AND LEAVE UNDER THE CYLINDER TOP LID. THE MANUAL AND ATTACHED LOGBOOK SERVE AS THE CYLINDER GUARANTEE. OSO Hotwater UK Ltd. Super S... -
Page 2: General Information
1. General information 1.1 Health and Safety regulations. Handling Operations Regulations 1992 defines manual handling as: “any transporting or supporting of a load (including the lifting, putting down, pushing, pulling, carrying or moving thereof) by hand or bodily force” The Regulations set no specific requirements such as weight limits. -
Page 3: Cylinder Specifications
2. Cylinder Specifications Front Fig. 1 Pressure reducing valve 3 bar Expansion relief valve 8 bar - 1/2” Temp.&pressure relief valve 90°C /10 bar - 1/2” Hot water blending valve Expansion vessels (120-250 only) Flexible hose and T-piece (120-250 only) Fig. -
Page 4: Connection Of Pipework
4. Pipe Connection & Commissioning Before connecting the cold supply, flush the cold supply pipework of all flux and debris. Lift off the cylinder lid allowing access to the combination valve and other connections. 4.1 Super S 120-250: Check the expansion vessels and hose connections are tight. S 300: Fit the expansion vessel and bracket on a suitable wall close to the cylinder. -
Page 5: Commissioning And Filling Up
1” BSP V4043H on either circuit the white wire is not needed and must be made electrically safe. OSO Hotwater (UK) Limited can not be responsible if alternative wiring plans are used. Important: Before resetting the safety cut-out or altering the thermostat setting isolate electrical supply to the unit before removal of the lid. - Page 6 S Plan Wiring Layout ST9400...
- Page 7 S Plan System Schematic 2 Port Valve (supplied) Auto- Automatic by-pass matic bypass Pump flow ST9400 00071259 00071259...
- Page 8 Y Plan Wiring Layout ST9400...
- Page 9 Y Plan System Schematic 2 Port Valve Mid Position Valve (supplied) (not supplied) Automatic bypass Pump flow ST9400...
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Page 10: Safety And Servicing
7. Safety and Servicing Maintenance must be carried out by a competent person. Safety Cut-out 1. The safety cut-out operates if: a. Wiring is incorrect. b. The immersion heater thermostat or cylinder thermostat fails. Thermostat is set too high. 2. Remember before resetting the safety cut-out or altering the thermostat setting, isolate electrical supply to the unit prior to removal of the electrical box lid. -
Page 11: Fault Finding
8. OSO Fault Finding Guide FAULT POSSIBLE CAUSE SOLUTION No water flow from hot taps. 1. Mains supply off. 1. Check and open stopcock. 2. Strainer blocked. 2. Turn off water supply. Remove strainer and clean (see Servicing Procedure page 10). Water from hot taps is cold. -
Page 12: Technical And Performance Specs
Phone: (0191) 482 0800 • Fax: (0191) 491 3655 Expansion vessel flexible hose 91911 300 l. only E-mail technical.uk@oso-hotwater.com Gasket for expansion vessel 73870 E-mail spareparts.uk@oso-hotwater.com E-mail sales.uk@oso-hotwater.com All replacement parts should be supplied by OSO HOTWATER (UK) LIMITED. www.oso-hotwater.com... -
Page 13: Benchmark Logbook
IT IS THE RESPONSIBILITY OF THE INSTALLER TO COMPLETE THIS LOG BOOK AND PASS IT ON TO THE CUSTOMER. FAILURE TO DO SO MAY INVALIDATE THE CYLINDER GUARANTEE The code of practice for the installation, commissioning & servicing of mains pressure hot water storage Installation,Commissioning and Service Record Log Book CUSTOMER DETAILS... - Page 14 Open at least one hot water tap once per week, during a period of at least 4 weeks. 6. The OSO unvented cylinder has not been modified in any way other than by OSO Hotwater and is only used for the storage of potable water.
- Page 15 APPLIANCE & TIME CONTROL DETAILS MANUFACTURER OSO HOTWATER (UK) MODEL litres CAPACITY SERIAL No. TYPE UNVENTED TIME CONTROL PROGRAMMER TIME SWITCH COMMISSIONING PROCEDURE INFORMATION BOILER PRIMARY SETTINGS (INDIRECT HEATING ONLY) ALL BOILERS IS THE PRIMARY A SEALED OR OPEN VENTED SYSTEM?
- Page 16 SERVICE INTERVAL RECORD It is recommended that your hot water system is serviced regularly and that your service engineer completes the appropriate Service Interval Record below. SERVICE PROVIDER Before completing the appropriate Service Interval Record below, please ensure you have carried out the service as described in the manufacturer’s instructions and in compliance with all relevant codes of practice.
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