OSO HOTWATER Delta Twincoil DTC 200 User Manual Download Page 1

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142225-01 - 12-2018

Manufactured by OSO Hotwater AS

Industriveien 1 - 3300 Hokksund - Norway

Tel: + 47 32 25 00 00 / Fax: + 47 32 25 00 90

E-mail: [email protected] / www.osohotwater.com

Delta Twincoil - DTC

200-250-300 l.

SAFETY INFORMATION

O&M INFORMATION

INSTALLATION MANUAL

TDS - TECHNICAL DATA SHEET

Summary of Contents for Delta Twincoil DTC 200

Page 1: ...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 Delta Twincoil DTC 200 250 300 l EN SAFETY INFORMATION O M INFORMATION INSTALLATION MANUAL TDS TECHNICAL DATA SHEET ...

Page 2: ...ents for installation location 7 3 5 Pipe installation 8 3 6 Electrical installation 10 4 Initial commissioning 12 4 1 Filling with water 12 4 2 Turning on the power 12 4 3 Setting the mixer valve 12 4 4 Control points 12 4 5 Emptying of water 12 4 6 Handover to end user 12 5 User Guide 13 5 1 Settings 13 5 2 Maintenance 13 6 Troubleshooting 14 6 1 Faults and fixes 14 7 Warranty conditions 15 7 1 ...

Page 3: ...ted hot water cyl inder for use with solar installations available in capacities 200 250 and 300 litres Its energy effi ciency as defined by standing heat losses is the best in its class due to the use of vacuum insulated Panels VIP and will save the householder signifi cant energy costs over the lifetime of the cylinder This manual gives detailed advice for installation and should be read careful...

Page 4: ...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 treatmen...

Page 5: ... at www osohotwater com for more information OSO products are designed and manufactured in accordance with Pressure vessel standard EN 12897 2016 Safety standard EN 60335 2 21 Welding standard EN ISO 3834 2 OSO Hotwater AS is certified for Quality ISO 9001 Environment ISO 14001 Work environment OHSAS 18001 2 2 Intended use Delta Twincoil is designed to supply homes with hot running water The produ...

Page 6: ...e siting of the OSO DELTA Twin Coil VIP 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 data plate and access must be allowed for maintenance purposes Provision should also be allowed for the routing of the discharge pipe away from the cylinder to an outside point accord...

Page 7: ...nd a flow rate of 20 litres per minute with a 1 bar dynamic pressure is recom mended The cylinder will operate at lower pres sures and flow rates however the performance will be compromised The OSO unvented unit is designed for use with supply pressure up to 10 bar For pressures over 10 bar an additional pressure reducing valve must be fitted in the supply pipe to the unit 3 6 1 Expansion vessels ...

Page 8: ...er 71242 10 Immersion heater control thermo stat 80314 11 Digital Dual Thermostat 80345 12 Cold feed tube not supplied see pt 3 7 2 Cold feed tube 13 Hot Water Outlet 3 4 BSP 14 Elbow Drain Cock 250445 15 Discharge Pipe not supplied Ref no Key Part No 16 Motorized valve not factory fitted 92000 17 Expansion vessel AX18 AX24 18 Secondary Return Vessel size Length of tube ø28 mm Expansion vessel pre...

Page 9: ...aining on page 5 3 9 2 Cold water supply 1 To obtain the best performance from your OSO unvented system it is advisable to feed the unit with an uninterrupted supply 2 Before connecting to the multibloc flush the cold supply pipework of all flux and debris 3 Locate the water heater in a suitable posi tion to facilitate the installation of the cold water supply discharge fittings and pipe work Also...

Page 10: ... valve can be connected to either the primary floworreturnpipe Theprimaryflowandreturnfit tings are 3 4 BSP female The valve has 22mm x copperconnections Thedirectionofprimaryflow in the upper coil is bottom to top The maximum operating temperature of the primary flow would typically be 82 C For electrical connection of the motorized valve and immersion heater please read Electrical Installation I...

Page 11: ... then close the tap Open succes sive hot taps to purge any remaining air 3 Check all water connections for leaks and rectify if necessary 4 Manually operate Expansion relief valve 6 see page 8 to ensure free water flow through discharge pipe by turning knob counter clockwise Toclosecontinuetoturn counter clockwise until the valve shuts 5 Manually operate Temperature and Pres sure Relief Valve 7 se...

Page 12: ...14 1 S plan piping diagram 3 14 2 Y plan piping diagram Pump flow 2 port valve supplied Automatic bypass Radiators UFH Heat source Pump flow 2 port valve supplied Mid pos valve not supplied Radiators UFH Boiler Automatic bypass ...

Page 13: ...hermostat C Yellow wire with green stripe Earth connected to the terminal for the heating element hexagonal brass 4 ELECTRICAL INSTALLATION 4 1 Electrical components Component Note Work thermostat 5 70 C adjustable Heating element 1 phase 230 V All wiring must conform to current IEE regulations Any fixed electric fittings must be installed by an authorisedelectrician Therelevantstandardsand regula...

Page 14: ...lled on an S or Y plan system Please follow the wiring instructions carefully 4 4 2 Digital Dual Cylinder Thermostat The Digital Dual Thermostat has real safety and energy saving benefits and provides accurate temperature control It also features a clear and informative LCD display Leave the cylinder ther mostat set at 60 C in line with current govern ment guidelines Lowering the temperature will ...

Page 15: ...e the display is off This feature should only be used when the property is vacant for extended periods and there is no requirement for water heating or for the weekly boost Pressing and holding the holiday switch 1 again for a minimum of 10 seconds until you 5 4 3 2 1 49 1 20 30 40 50 60 7080 90 100 110 10 120 0 C 5 4 3 2 1 49 5 4 3 2 1 49 hear an audible click will restart the Electron ic Dual Cy...

Page 16: ...be secured using the supplied clamps in the bottom opening of the channel The suppliedmotorisedvalvemustbeusedinaccordance with Building Regulation G3 This is wired from the supplied cylinder thermostat wired as high limit stat Please follow lower diagram Wiring for Thermistor Controlled Boiler 1 2 E 2 3 1 T6360B B1 Br G O G Y 3 5 7 3 4 N L C NO NC L N E N L E N L ST6400 Boiler Pump 3 2 1 3 2 3 2 ...

Page 17: ...le should be secured us ing the supplied clamps in the bottom opening of the channel The supplied motorised valve must be used in accordance with Building Regulation G3 This is wired from the supplied cylinder thermostat wired as high limit stat Please follow lower diagram Wiring for Thermistor Controlled Boiler 1 2 E 2 3 1 T6360B B1 O G Br G Y 3 3 1 4 N L E N L E N L ST6400 Boiler Pump 3 2 1 3 2 ...

Page 18: ...tric fittings should be used for installation in new homes or when changing an exist ing electrical setup in accordance with regulations The mains cable should withstand 90 C A strain reliever must be fitted supplied CAUTION The product must have a clearance for servicing of 40 cm in front of the cover 10 cm over the top connection If the mains cable is damaged it must be replaced with cable of a ...

Page 19: ...d by turning the dial 3 towards Fit the junction box cover 1 before connecting the power supply 5 1 2 Resetting the safety thermostat The safety thermostat on the product cuts out when there is a risk of overheating This is reset byremovingthecover 1 andpressingthe Safety button 4 If the thermostat cuts out repeatedly contact the installer 5 1 4 Adjusting the feet The product is equipped with thre...

Page 20: ...occurs when water is being heated In this situation maintenance must be carried out by competent person and the precharge pressure 6 SAFETY AND SERVICING must be restored to the original value An annual visual inspection is recommended Important To check the precharge the expansion vessel must be completely empty of water If the precharge pressure is different from the value shown on the label it ...

Page 21: ...and the valve seat because the water is dirty Try to flush with water through the safety valve Open valve for approx 1 minute If the valve still leaks it must be replaced Contact auth installer Leak from heating element Verify as follows a cut the electric supply b unscrewthecover c visuallycheckwhether there is a leak from the heating element If so replace the gasket heating element Contact auth ...

Page 22: ...tering system that would collect such discharges tundish visible 7 2 1 Single pipe discharge Whereasinglepipeservesanumberofdischarges suchasinblocksofflats thenumberservedshould be limited to not more than 6 systems so that any installation discharging can be traced reasonably easily The single common discharge pipe should be at least one pipe size larger than the largest indi vidual discharge pi...

Page 23: ...valve 250445 Immersion heater Incoloy 3 kW 71242 Honeywell 2 port valve 92000 Fittings kit Cylinder thermostat 80345 Immersion thermostat 80314 Expansion vessel AX 24 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 48...

Page 24: ... mBar 50 50 50 Heatuptimeelement min 138 196 246 Reheattime 1 70 1element min 97 137 172 ErPclass Rating B B B Pressureinformation Maximumdesignpressureofcylinder ratedpressure MPa Bar 1 10 1 10 1 10 Maximumdesignpressureofheatingcoil MPa Bar 1 10 1 10 1 10 Maximumdesignpressureofsolarcoil MPa Bar 1 10 1 10 1 10 Operatingpressureofcylinder MPa Bar 3 0 3 0 3 0 Operatingpressureofheatingcoil MPa Bar...

Page 25: ...sioncapacity kW 3 3 3 ImmersionHeater Phase Phase Single Single Single Immersionheater Voltage Volt 230 230 230 Immersionthermostat temprange C 18 70 18 70 18 70 Immersionthermostat settemp C 60 60 60 Indirectthermostat temprange C 25 65 25 65 25 65 Indirectthermostat settemp C 60 60 60 Safety Safetyvalveopeningpressure 5 Bar 6 6 6 T Pvalveopeningpressure Temp Bar C 10 90 10 90 10 90 Safetythermos...

Page 26: ...26 NOTES ...

Page 27: ... Regulations 3 Failure to install and commission this appliance to the manufacturer s instructions may invalidate the guarantee The above does not affect your statutory rights For full details on the HWA charter please visit http www hotwater org uk HEATING AND HOTWATER INFORMATION COUNCIL IT IS THE RESPONSIBILITY OF THE INSTALLER TO COMPLETE THIS LOG BOOK AND PASS IT ON TO THE CUSTOMER FAILURE TO...

Page 28: ...IF DIFFERENT NAME DATE ADDRESS TEL No REGISTERED OPERATIVE ID CARD No IF APPLICABLE REGISTRATION DETAILS IT IS THE RESPONSIBILITY OF THE INSTALLER TO COMPLETE THIS LOGBOOK AND PASS IT ON TO THE CUSTOMER FAILURE TO DO SO MAY INVALIDATE THE CYLINDER GUARANTEE APPLIANCE TIME CONTROL DETAILS MANUFACTURER OSO HOTWATER UK MODEL CAPACITY TYPE TIME CONTROL UNVENTED PROGRAMMER litres SERIAL No TIME SWITCH ...

Page 29: ... IS THE PRESSURE REDUCING VALVE SETTING IF FITTED WHERE IS OPERATING PRESSURE REDUCING VALVE SITUATED NO YES NO YES NO bar HAS THE EXPANSION VESSEL OR INTERNAL AIR SPACE BEEN CHECKED YES NO WHAT IS THE HOT WATER TEMPERATURE AT THE NEAREST OUTLET C bar ALL PRODUCTS YES DOES THE HOT WATER SYSTEM COMPLY WITH THE APPROPRIATE BUILDING REGULATIONS HAS THE SYSTEM BEEN INSTALLED AND COMMISSIONED IN ACCORD...

Page 30: ...s water supply in compliance with the European Drinking Water Directive EN 98 83 EC or latest version The water should not be aggressive i e the water chemistry shall comply with the following Chloride 250 mg L Electric Conductivity EC 25 C 750 uS cm Saturation Index LSI 80 C 1 0 0 8 pH level 6 0 9 5 The immersion heater has not been exposed to hardness levels exceeding 10 dH 180 ppm CaCO3 A water...

Page 31: ...o COMMENTS SIGNATURE DATE ENGINEER NAME SERVICE 5 COMPANY NAME TEL No COMMENTS SIGNATURE DATE ENGINEER NAME SERVICE 7 COMPANY NAME TEL No COMMENTS SIGNATURE DATE ENGINEER NAME SERVICE 9 COMPANY NAME TEL No COMMENTS SIGNATURE DATE ENGINEER NAME SERVICE 2 COMPANY NAME TEL No COMMENTS SIGNATURE DATE ENGINEER NAME SERVICE 4 COMPANY NAME TEL No COMMENTS SIGNATURE DATE ENGINEER NAME SERVICE 6 COMPANY NA...

Page 32: ... 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 oso oso no www osohotwater com This installation manual and all its content is protected by copyright and may be reproduced or distributed only with written consent from the manufacturer We reserve the right to make changes without notice ...

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