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OSO HOTWATER Delta Twincoil DTC 200 User Manual

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SAFETY INFORMATION
O&M INFORMATION
INSTALLATION MANUAL
TDS - TECHNICAL DATA SHEET
Manufactured by OSO Hotwater AS
Industriveien 1 - 3300 Hokksund - Norway
Tel: + 47 32 25 00 00 / Fax: + 47 32 25 00 90
E-mail: oso@oso.no / www.osohotwater.com
142225-01 - 12-2018
Delta Twincoil - DTC
200-250-300 l.
EN

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Summary of Contents for OSO HOTWATER Delta Twincoil DTC 200

  • Page 1 O&M INFORMATION INSTALLATION MANUAL TDS - TECHNICAL DATA SHEET Manufactured by OSO Hotwater AS Industriveien 1 - 3300 Hokksund - Norway Tel: + 47 32 25 00 00 / Fax: + 47 32 25 00 90 E-mail: oso@oso.no / www.osohotwater.com...

  • Page 2: Table Of Contents

    CONTENTS 1. Safety instructions ..........3 1.1 General information ........3 1.2 Safety instructions for users ...... 4 1.3 Safety instructions for installers ....4 2. Product description ..........5 2.1. Product identification ........5 2.2. Intended use ............ 5 2.3 CE marking ............5 2.4 Technical data ..........

  • Page 3: Safety Instructions

    1. SAFETY INSTRUCTIONS 1.1 General information • Read the following safety instructions carefully before installing, maintaining or adjusting the water heater. 60 70 • Personal injury or material damage may °C result if the product is not installed or used in the intended manner.

  • Page 4: Safety Instructions For Users

    1.2 Safety instructions for users WARNING Safety valve overflows must NOT be sealed or plugged (safety valve not included). The product must NOT be covered over the cover on the front. The product must NOT be modified or changed from its original state. Children must NOT play with the product or go near it without supervision. The product should be filled with water before the power is switched on. Maintenance/settings should only be carried out by persons over 18 years of age, with suf- ficient understanding CAUTION The product must not be exposed to frost, over-pressure, over-voltage or chlorine treatment.

  • Page 5: Product Description

    Trade mark Model / identifier item No. Rating loss W OSO Hotwater AS 10211600 DTC 200 - 2.8kW @ 230V/3.0kW @ 240V+HX 0.7+0.7m² OSO Hotwater AS 10211700 DTC 250 - 2.8kW @ 230V/3.0kW @ 240V+HX 0.7+0.7m² OSO Hotwater AS 10211800 DTC 300 - 2.8kW @ 230V/3.0kW @ 240V+HX 0.7+0.7m²...

  • Page 6: Installation Instructions

    3. INSTALLATION INSTRUCTIONS 3.1 Products covered by these instructions CAUTION 800 0306 Delta Twincoil - DTC 200 Pipe stubs, valves etc. should not be used to lift 800 0308 Delta Twincoil - DTC 300 the product as this could cause malfunctions. 3.1.1 Health and safety regulations Handling Operations Regulations 1992 defines manual handling as: “any transporting or support-...
  • Page 7 3.5 Component check list Components supplied with the unit in a separate accessory kit for site fitting: • Multibloc valve, includes pressure reduc- ing valve, line strainer, balanced cold water take off,(for shower or bidet only) check and expansion valve. • Tundish • 3/4’’ x 22mm Elbow / Drain Cock •...
  • Page 8 3.7 General layout 3.7.1 Reference chart Ref no. Key Part No. Ref no. Key Part No. Flow 3/4” BSP Solar Motorized valve (not factory fitted) 92000 Return 3/4” BSP solar Expansion vessel AX18, AX24 Flow 3/4” BSP Solar Secondary Return Return 3/4” BSP solar Pressure Reducing Valve Multibloc 355030 3/4”...

  • Page 9: Pipe Installation

    3.8 Pipe installation The product is designed to be permanently the unit with an uninterrupted supply. connected to the mains water supply. Before connecting to the multibloc, flush the Approved pipes of the correct size should be cold supply pipework of all flux and debris. used for installation. The relevant standards and Locate the water heater in a suitable posi- regulations must be followed.
  • Page 10 3.9.6 Discharge pipe Connect the tundish outlet to the discharge pipe. The Solar flow and return connections should be Install the Tundish in a vertical position within made to the lower connections 1 & 2. Tempera- a maximum of 600 mm from the Temperature ture control from the Solar circuit is achieved us- and Pressure Relief Valve drain connection and ing a differential solar controller. This controller away from electrical components.
  • Page 11 3.10.2 Fitting recommendation RECOMMENDATION Allow clearance to the floor. Screw the feet out a minimum of 15 mm from the bottom of the prod- uct. Mains cable for wall socket (1) should be hidden under one of the channels in the bottom of the product. If the non-return valve is tight, a reduction valve and expansion vessel should be fitted (to stop dripping from the safety valve). If the maximum water pressure exceeds 6 bar in a 24-hour period, a reduction valve and expansion vessel should be fitted.
  • Page 12 3.14 Piping Diagrams 3.14.1 S-plan piping diagram 2-port valve (supplied) Radiators/ Automatic bypass Pump flow Heat source 3.14.2 Y-plan piping diagram 2-port valve Mid pos. valve (supplied) (not supplied) Radiators/ Automatic bypass Pump flow Boiler...

  • Page 13: Electrical Installation

    4. ELECTRICAL INSTALLATION All wiring must conform to current IEE regulations A) Blue wire (R) – Neutral – connected to point Any fixed electric fittings must be installed by an ‘A’ on the thermostat. authorised electrician. The relevant standards and B) Brown wire (S) – Live – connected to point ‘B’ regulations must be followed.
  • Page 14 4.3 Immersion heater thermostat The immersion heater is designed as an auxiliary ment guidelines. Lowering the temperature will heater as an emergency back-up. Power to immer- substantially reduce the amount of usable hot sion heaters should not be switched on until the water available on a daily basis and could result unit is filled with water.
  • Page 15 4.5 Adjusting the 1 hour boost The thermostat has user defined settings where hear an audible click will restart the Electron- the duration of the legionella Override/Boost can ic Dual Cylinder Thermostat, the display will be adjusted from 1 to 7 days or completely disa- show the cylinder temperature and the weekly bled to operate as a conventional dual cylinder “boost “...
  • Page 16 A thermistor temperature sensor is supplied with the WARNING boiler to attach to the cylinder. Temperature infor- OSO Hotwater (UK) Limited can not be held responsible mation is relayed back to the boiler control system. if alternative wiring plans are used.
  • Page 17 A thermistor temperature sensor is supplied with the WARNING boiler to attach to the cylinder. Temperature infor- OSO Hotwater (UK) Limited can not be held responsible mation is relayed back to the boiler control system. if alternative wiring plans are used.

  • Page 18: Handover To End-User

    4.11 Cylinder thermostat as high limit th.stat only Coil the grey temperature probe wire (1) inside the thermostat box and insert black probe (2) into thermostat pocket of cylinder (3). Turn dial (4) on the front of thermostat to position 5. Safety Type: TSR Cables are run through cable channel from cyl-...

  • Page 19: User Guide

    5. USER GUIDE 5.1 Settings 5.1.1 Thermostat setting WARNING The thermostat on the product is adjustable from Constant voltage present in the junction box. Be- 5-70°C. The thermostat should not be set lower fore any electrical work is done, the power sup- than 65°C to prevent bacteria growth.

  • Page 20: Maintenance

    6. SAFETY AND SERVICING Maintenance must be carried out by a competent must be restored to the original value. An annual person. visual inspection is recommended. Important: To check the precharge the expansion vessel must 6.1 Safety Cut-out be completely empty of water. If the precharge The safety cut-out operates if: pressure is different from the value shown on Wiring is incorrect.

  • Page 21: Troubleshooting

    (see type plate on the product) If the problem is not shown in the troubleshoot- or OSO Hotwater AS. TROUBLESHOOTING Problem Possible cause of fault Possible solution Check that the fuse is set and the earth Power supply interrupted.
  • Page 22 7.2 Alternative discharge Discharge pipes should be in metal and dedicat- wire cage or similar guard is positioned to pre- ed to the unvented cylinder. The pipe should have vent contact, whilst maintaining visibility. a continuous fall and should terminate in a safe and visible place.
  • Page 23 For spares: www.oso-spares.co.uk 7.4.1 Obtaining spare parts To obtain the address of a local stockist contact: OSO HOTWATER (UK) LIMITED Endeavor House, Seventh Avenue, Team Valley Trading Estate, Gateshead, Tyne & Wear, NE11 0EF Phone: (0191) 482 0800 • Fax: (0191) 491 3655 E-mail technical.uk@oso-hotwater.com...
  • Page 24 8. TECHNICAL DATA 8.1 Data table Delta DTC Description Unit DTC 200 DTC 250 DTC 300 Part number 10211600 10211700 10211800 Product number GTIN 7070644004385 7070644004392 7070644004408 Actual capacity of the water tank at 20°C Outer diameter of the tank 1270 1540 1750 Height of the appliance Gross weight of the appliance 45.5 Net weight of appliance...
  • Page 25 Data table - continued Description Unit DTC 200 DTC 250 DTC 300 10211600 10211700 10211800 Part number Product number GTIN 7070644004385 7070644004392 7070644004408 Electrical characteristics Supply voltage and frequency V/Hz 230/50 230/50 230/50 Current Power of the electrical resistance 3000 3000 3000 IEEE regs...
  • Page 26 NOTES...
  • Page 27 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 28 (IF APPLICABLE) COMMISSIONING ENGINEER (IF DIFFERENT) NAME DATE ADDRESS TEL No. REGISTRATION DETAILS REGISTERED OPERATIVE ID CARD No. (IF APPLICABLE) APPLIANCE & TIME CONTROL DETAILS MANUFACTURER OSO HOTWATER (UK) MODEL CAPACITY litres SERIAL No. TYPE UNVENTED TIME SWITCH TIME CONTROL PROGRAMMER IT IS THE RESPONSIBILITY OF THE INSTALLER TO COMPLETE THIS LOGBOOK AND PASS IT ON TO THE CUSTOMER.
  • Page 29 COMMISSIONING PROCEDURE INFORMATION BOILER PRIMARY SETTINGS (INDIRECT HEATING ONLY) ALL BOILERS IS THE PRIMARY A SEALED OR OPEN VENTED SYSTEM? SEALED OPEN WHAT IS THE BOILER FLOW TEMPERATURE? ALL MAINS PRESSURISED SYSTEMS WHAT IS INCOMING STATIC COLD WATER PRESSURE AT THE INLET TO THE PRESSURE REDUCING VALVE? HAS STRAINER (IF FITTED) BEEN CLEANED OF INSTALLATION DEBRIS? HAS A WATER SCALE REDUCER BEEN FITTED?

  • Page 30: Customer Service

    GUARANTEE - OSO UNVENTED HOTWATER CYLINDER 1. Scope OSO Hotwater UK Ltd. (hereinafter called OSO) warrants for 2 years levels exceeding 10°dH (180 ppm CaCO3). A water softener from the date of purchase, that the Product will: i) conform to OSO is recommended in such cases.
  • Page 31 SERVICE 9 SERVICE 10 DATE: DATE: ENGINEER NAME ENGINEER NAME COMPANY NAME COMPANY NAME TEL No. TEL No. COMMENTS COMMENTS SIGNATURE SIGNATURE When all the above services have been completed, please contact OSO Hotwater for an additional service interval record sheet.
  • Page 32 OSO Hotwater (UK) Limited Endeavor House, Seventh Avenue, Team Valley Trading Estate, Gateshead, Tyne & Wear, NE11 0EF Phone: (0191) 482 0800 Fax: (0191) 491 3655 E-mail technical.uk@oso-hotwater.co.uk E-mail spareparts.uk@oso-hotwater.co.uk E-mail sales.uk@oso-hotwater.co.uk Factory and HQ: OSO Hotwater AS Industriveien 1 3300 Hokksund - Norway Tel.: +47 32 25 00 00...

This manual is also suitable for:

Delta twincoil dtc 250Delta twincoil dtc 300

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