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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 SX120IQ and SC120
www.osohotwater.co.uk
Super S
Contents
1. General information ........................... 2
2. Cylinder Specification ...................... 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 ........................ . 14
8. Fault finding..................................... ..15
9.Technical and Performance specs ... . 16
10. Benchmark Logbook........................ . 17
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Super S
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Summary of Contents for OSO HOTWATER Super S
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Page 1: Table Of Contents
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. -
Page 2: General Information
The cylinder should not be positioned until the connecting pipework and cables are fitted. There are few restrictions on the siting of the OSO Super S, however it should not be sited anywhere open to frost attack. The unit should be placed on a stable flat surface capable of withstanding the weight of the cylinder when full (see table on page 16) and access must be allowed for maintenance purposes. -
Page 3: Cylinder Specification
3.1 Pipework. The OSO Super S has all pipework connections at the top of the cylinder with these pipes secured to the rear wall. A template is provided to assist in the placement of these pipes. Decide where the cylinder is to be positioned and secure the wall template (using supplied adhesive) with the cross on the back wall at least 326mm from the left wall. -
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 Check the expansion vessels and hose connections are tight. 4.2 Remove the template and position the cylinder to meet the heating and domestic water pipes. -
Page 5: Commissioning And Filling Up
5. Commissioning and filling up 1. Check all connections for tightness. Open hot water tap furthest away from the OSO water heater. 2. Open the mains stop cock to fill the water heater . When water flows evenly from tap, allow to run for a few minutes to flush through any dirt, swarf or residue, then close the tap Open successive hot taps to purge any remaining air. - Page 6 6.3 Wiring for immersions Direct SXD 120 The 80323 Smart Thermostat with embedded iQ Smart Technology has been designed for compliance with European regulations newly introduced for Electric Storage Water Heater (ESWH) efficiency and energy saving. The thermostat has a wide range of configurations to provide the maximum flexibility with the OSO Sole 109 blending valve. The 80323 Smart Thermostat configuration maximises efficiency improvement provides all mandatory smart control features.
- Page 7 6.3.2 Smart Control Settings The rotating knob allows selection of desired comfort level, factory default setting is Smart +.
- Page 8 Position Label Description Temperature Antifrost Prevent water freezing 6°C Energy saving : Automatically adjust volume of hot From 45°C Smart - water availability based on past consumption To 60°C Energy saving : Automatically adjust volume of hot From 45°C Smart water availability based on past consumption To 65°C (Default factory position)
- Page 9 6.3.6 Anti Legionella Cycle The anti-legionnella cycle reduces the risk of development of bacteria in the water stored inside the tank. When the water heater is installed and in operation a process will permanently monitor the water temperature. The process is applicable in all modes. Whenever risk conditions are detected that might cause the development of bacteria, 80323 Smart Thermostat standalone will automatically perform full water heat cycle above 65°C.
- Page 10 6.3.9 Smart Control Technical Data Items Description Product purpose Energy controller for Electric Storage Water Heater including thermal safety cut-off Hybrid control including electronic regulation and mechanical safety cut-out: 2-pole Product construction bimetal cut-out Terminal Type Power terminals: screw pillar terminal Method of connection Faston connector to Heating Elements and disconnection...
- Page 11 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 12 S Plan Wiring Layout ST9400 S Plan System Schematic 2 Port Valve (supplied) Auto- matic bypass Pump flow...
- Page 13 Y Plan Wiring Layout A Honeywell 10 way Junction Box must be used in a Y plan system. No other wiring centre is acceptable. ST9400 Y Plan System Schematic 2 Port Valve Mid Position Valve (supplied) (not supplied) Automatic bypass Pump flow...
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Page 14: 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 15: 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 14). 1. -
Page 16: Technical And Performance Specs
Trading Estate, Gateshead, Tyne & Wear, NE11 0RU Phone: (0191) 482 0800 • Fax: (0191) 491 3655 E-mail technical.uk@oso-hotwater.com E-mail spareparts.uk@oso-hotwater.com All replacement parts should be supplied by OSO HOTWATER (UK) LIMITED. E-mail sales.uk@oso-hotwater.com www.osohotwater.co.uk This OSO product is approved to building and water regulations by KIWA Watertec Ltd. Tel: 01495 308 185 • Email:... -
Page 17: Benchmark Logbook
Rating kWh/a setting °C eff. % √ OSO Hotwater AS 10802651 SX 120 - 3 kW/1x230VIQ 1336 √ OSO Hotwater AS 10802652 SX 150 - 3+3 kW/1x230VIQ 2670 √ OSO Hotwater AS 10802653 SX 180 - 3+3 kW/1x230VIQ 2559 √... - Page 19 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 20 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 othe than by OSO Hotwater and is only used for the storage of potable water.
- Page 21 °C °C...
- Page 22 Notes:...
- Page 23 Notes:...
- Page 24 SERVICE 1 SERVICE 2 DATE: DATE: ENGINEER NAME ENGINEER NAME COMPANY NAME COMPANY NAME TEL No. TEL No. COMMENTS COMMENTS SIGNATURE SIGNATURE SERVICE 3 SERVICE 4 DATE: DATE: ENGINEER NAME ENGINEER NAME COMPANY NAME COMPANY NAME TEL No. TEL No. COMMENTS COMMENTS SIGNATURE...
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