Table of Contents
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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
Thank-you for purchasing the Delta HP VIP unvented hot water cylinder.
Delta HP VIP is an unvented hot water cylinder in capacities 200, 250 and 300 litres. Its energy
efficiency as defined by standing heat losses is the best in its class due to the use of vacuum insulated Panels
save the hou
(VIP) and will
This manual gives detailed advice for installation and should be read carefully prior to fitting any unvented unit. OSO
Delta HP VIP 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 WITH THE CYLINDER . THE MANUAL
AND ATTACHED LOGBOOK SERVE AS THE CYLINDER GUARANTEE.
OSO Hotwater UK Ltd.
For capacities 200, 250 and 300 litres
seholder significant energy costs over the lifetime of the cylinder.
Delta HP VIP
Installation Manual
Contents
1 . General information ..........................2
2. Preparation of installation area.........4
3. Pipe connections..............................4
4. Commissioning and filling up............5
5. Draining and Flushing......................5
6. Electrical Installation.........................5
7. Safety and Servicing ........................ 9
8. Fault finding.....................................10
10. Log book ........................................13
Page no.
Delta HP VIP
1
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Table of Contents
Related Manuals for OSO DGC 200
Summary of Contents for OSO DGC 200
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Page 1: Table Of Contents
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. -
Page 2: General Information
1.2 Siting the Delta HP VIP . There are few restrictions on the siting of the OSO Delta HP 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 technical data on page 11) and access must be allowed for maintenance purposes. - Page 3 General Layout E SINGLE COIL Part No. Part No. Hot Water Outlet 3/4” BSP Return 3/4” BSP Heat Pump Elbow / Drain Cock 250445 Discharge Pipe (Not supplied) Flow 3/4” BSP Heat Pump Motorised Valve (Not Factory Fitted) 92000 Pressure Reducing Valve AX 18 or 24 Expansion vessel 355030...
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Page 4: Preparation Of Installation Area
3. Pipe Connections 3.1 Cold water supply 3.1.2 To obtain the best performance from your OSO unvented system it is advisable to feed the unit with an uninterrupted supply. 3.1.3 Before connecting to the multibloc, flush the cold supply pipework of all flux and debris. -
Page 5: Commissioning And Filling Up
Switch off the electrical power (Important to avoid damage to element). Isolate Heat Pump from OSO unit. Turn off the cold water supply valve. Open hot water tap. Open drain 12 (see page 3) at base of cylinder . The unit will drain. Draining process may be speeded up by opening the temperature and pressure relief valve. An internal ø18 mm hose can be applied to lead the water to a gully, sink or similar. - Page 6 To comply with regulations governing the installation of indirect unvented cylinders, a motorised valve must be fitted in the primary pipework. Your OSO unit has been supplied with a two port motorised valve, which will act as a positive energy cut-out should the safety cut-out operate. The motorised valve will also control the temperature of the domestic stored water via the cylinder thermostat, which is located in the electrical box.
- Page 7 S Plan Wiring OSO Delta HP VIP cylinders can Wiring for Standard Heat pump be fitted with all types of boilers. Standard Heat pumps operate using room and cylinder OSO Cylinder Zone Valve (Htg) Room Zone Valve (DHW) thermostats. Please follow upper...
- Page 8 Y Plan Wiring OSO Delta HP VIP cylinders can Wiring USING OSO THERMOSTATS be fitted with all types of boilers. Standard boilers operate using room and cylinder thermostats. Mid Position Valve OSO Cylinder Thermostat (supplied) Zone Valve (DHW) Room Please follow upper diagram:...
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Page 9: Safety And Servicing
7. Safety and Servicing Maintenance must be carried out by a competent person. 7.1 Safety Cut-out The safety cut-out operates if: 1. Wiring is incorrect. 2. The immersion heater thermostat or cylinder thermostat fails. 3. Thermostat is set too high. 4. -
Page 10: 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 9). -
Page 12: Secondary Return
Endeavor House, Seventh Avenue, Team Valley Trading Estate, Gateshead, Tyne & Wear, NE11 0EF Phone: (0191) 482 0800 • Fax: (0191) 491 3655 For Spares: www.oso-spares.co.uk E-mail technical.uk@oso-hotwater.com 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-spares.co.uk... -
Page 13: Log Book
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 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 Heat Pump 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.