Vaillant uniSTOR VIH GB 260 S Instructions for and use Instructions For Installation And Use Manual Download Page 1 | Manualshive

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Instructions for Installation and Use

uniSTOR

Unvented hot water storage cylinder

VIH GB 125 S

VIH GB 155 S

VIH GB 180 S

VIH GB 210 S

VIH GB 260 S

VIH GB 310 S

GB

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Summary of Contents for uniSTOR VIH GB 260 S Instructions for and use

Page 1: ...Instructions for Installation and Use uniSTOR Unvented hot water storage cylinder VIH GB 125 S VIH GB 155 S VIH GB 180 S VIH GB 210 S VIH GB 260 S VIH GB 310 S GB ...

Page 2: ...ry System 8 4 2 Secondary Return 8 5 Installation 9 5 1 Installation requirements 9 5 1 1 Siting 9 5 1 2 Mains Water Pressure 9 5 1 3 Pipework Primary Circuit 9 5 1 4 Discharge Pipework 9 5 1 4 1 High Level Termination 10 5 2 Dimensions 11 5 3 Functional diagrams 12 5 4 Installation procedure 14 5 4 1 Primary pipework 14 5 4 2 Secondary system Pipework 14 5 4 3 Safety valve discharge pipework 15 5...

Page 3: ...The external electrical controls should be wired to the 2 port valve and cylinder thermostat in the normal way as shown in the section Electrical Connections and Controls 1 3 Immersion Heater uniSTOR cylinders are also provided with an auxiliary back up 3 kW electric immersion heater including operating thermostat and energy cut out The immersion heater is fitted behind the front panel It is desig...

Page 4: ...3 39 44 49 kg Weight full 145 175 205 245 310 340 kg Height 969 1179 1339 1499 1789 2109 mm Cylinder connections Cold mains inlet 22 mm compression DHW outlet 22 mm compression Balanced pressure cold water outlet 22 mm compression Secondary return G 3 4 Primary flow 22 mm compression on 2 port valve Primary return 22 mm compression Electrical connections 3 kW Immersion heater according ENBS 60335 ...

Page 5: ...mate cylinder heat up time 15 C to 65 C minutes Reheat time for 70 of cylinder contents minutes 50 40 10 20 30 40 60 50 30 20 12 Heat input to cylinder kW Cylinder Heat Up Times 15 20 25 30 38 35 VIH GB 125 S VIH GB 155 S VIH GB 180 S VIH GB 210 S VIH GB 260 S VIH GB 310 S ...

Page 6: ...ld be completed by the installer and or commissioning engineer and handed to the user All CORGI registered installers carry a CORGI ID card and have a registration number Both should be recorded in your Cylinder Commissioning Checklist You can check your installer by calling CORGI direct on 01256 372300 Note Your uniSTOR unvented hot water cylinder must be installed by a competent person in accord...

Page 7: ...anty will become invalid if the damage is due to frost damage transient voltages lightning strikes or any act of vandalism or mis use 2 The proof of purchase must be produced in the event of any warranty claim bill of sale 3 The uniSTOR must be installed by a competent person to the prevailing standards installation book and building regulations at the time of installation 4 The Benchmark Cylinder...

Page 8: ...l Water Undertaking The installation is subject to Building Regulation approval notify the Local Authority of intention to install In the event of parts replacement use only genuine spare parts supplied by Vaillant Ltd 4 1 Secondary System The uniSTOR is provided with all necessary safety and control devices for unvented DHW operation These are as follows A A prefitted temperature and pressure rel...

Page 9: ...ould not be installed Contact Vaillant Ltd for details on alternative hot water supply systems In order to minimise frictional losses minimum 22 mm bore is recommended for new cold mains supply pipework into the dwelling although satisfactory performance can be achieved with 15 mm bore pipework 5 1 3 Pipework Primary Circuit The primary circuit pipework between the Vaillant boiler and the uniSTOR ...

Page 10: ...ty device e g temperature relief valve 500 mm maximum 300 mm minimum providing that where children may play or otherwise come into contact with discharges a wire cage or similar guard is positioned to prevent contact whilst maintaining visibility Do not fit any valves or taps to the discharge pipework Ensure the pipework has at least 1 200 fall continuously from the tundish to the discharge point ...

Page 11: ...384 314 589 903 VIH GB 180 S 1308 1339 454 384 314 589 1038 VIH GB 210 S 1468 1499 454 384 314 589 1118 VIH GB 260 S 1758 1789 454 384 314 589 1408 1376 VIH GB 310 S 2078 2109 454 384 314 589 1648 1376 1 DHW outlet 2 Temperature and pressure relief valve 3 Immersion heater 4 Primary flow 5 Cold water mains inlet 6 Primary return 7 Additional immersion heater for uniSTOR 260 and 310 as accessory ...

Page 12: ...uniSTOR GB 12 1 Boiler 2 uniSTOR cylinder 3 2 port motorised valve provided with the boiler 4 Immersion heater 5 2 port motorised valve A Boiler flow B Boiler return Fig 5 1 A B 2 4 3 5 M M DHW 5 3 Functional diagrams ...

Page 13: ...rature and pressure relief valve 2 Expansion relief valve 3 Pressure limiting valve combined with strainer 4 Secondary return connection 5 Balanced pressure cold water outlet 6 Cold water mains inlet 7 DHW outlet 8 Tundish 9 Cylinder drain point 10 Expansion vessel ...

Page 14: ...alve regularly to prevent from calcination Provide a cold water mains supply to the uniSTOR To ensure optimum performance from the uniSTOR and particularly in installations where the balanced pressure cold water outlet 5 fig 8 is to be used the pipework provided from the building mains stop valve to the uniSTOR cylinder should be minimum 22 mm copper tube B Port A Port A B Install the drain valve ...

Page 15: ...ns are of excessive length or there are several terminal fittings supplied extend the length of pipework in 22 mm Connect the secondary return if required as shown in 4 2 Secondary Return 5 4 3 Safety valve discharge pipework Connect the temperature pressure relief and expansion relief valves to the tundish using 15 mm pipe and install the discharge pipework from the tundish in accordance with sec...

Page 16: ... heater electrical connections a Cylinder Controls 1 Thermostat adjustable b Immersion heater 2 Thermal cut out with Reset button 3 Sensor a b 230 V AC 3 kW 1 2 3 L N 2 1 2 1 3 Important The immersion heater incorporates an energy cut off device and must not under any circumstances be replaced by a standard immersion heater Only a correct genuine Vaillant spare part is permitted All uniSTOR cylind...

Page 17: ...s for electrical installations IEE Wiring Regulations 16th edition Check that the sensors from the immersion heater and the cylinder are positioned correctly in the tubes Note A special accessory is offered for the electrical connections between the uniSTOR and an ecoEURO appliance No 307 215 5 4 5 3 Connection details for control systems utilising 2 x 2 port motorised valves via external wiring b...

Page 18: ... Note Earth not required Link L 2 5 Siemens Landis Staefa RWB2 RWB9 Potterton Myson EP 2002 EP 3002 EP 6002 Note Link L 5 Sunvic Select 207 N L 2 3 4 5 3 7 6 1 E N L 2 3 4 1 E N L 2 3 4 5 3 7 6 1 N 3 5 6 7 5 6 7 4 L 3 8 N L 2 3 4 5 3 7 6 1 N L 2 3 4 5 3 7 6 1 E 5 6 N L 2 3 4 5 3 7 6 1 N L 2 3 4 5 3 7 6 1 N L 2 3 4 5 3 7 6 1 E 5 not used 5 3 7 6 not used Danfoss Randall Set 2E Set 3E Note Earth not...

Page 19: ...in Supply 3 Amp Fused 4 3 1 3 4 5 6 7 8 9 10 2 1 2 3 uniSTOR VIH GB Heating Zone Cylinder Stat E BL BR Spring Return Zone Valve GR OR L N Pump E BL BR Spring Return Zone Valve GR OR L N HW OFF CH OFF HW ON CH ON 2 Channel Programmer L N COM N SW L E Boiler Terminal Designation L 1 Mains Live RS 2 Room Thermostat FS 3 Frost Stat N 4 Mains Neutral E 5 Mains Earth PE 6 Pump Earth PN 7 Pump Neutral PL...

Page 20: ... cylinder has reached temperature and all radiators in the system are hot Then once again drain the complete CH system to remove residues from the pipework and refill and vent again as above Reset the manual operating lever on the 2 port valve to the AUTO position once the system has been refilled and vented 1 2 cylinder control C 3 L N immersion heater C 1 6 Commissioning 6 1 Filling Secondary DH...

Page 21: ...uring frost conditions Advise the user that the immersion heater is provided as a back up means of water heating and is not intended for use at the same time that the boiler is heating the cylinder Finally advise the user that for continued efficient and safe operation the boiler and uniSTOR cylinder should be serviced at least once a year by a qualified servicing company It is important and stron...

Page 22: ...ng to controls instructions Is 2 port valve in correct position DHW position Does cylinder thermostat operate Replace cylinder thermostat Vent heating coil of air H fig 4 Check replace 2 port valve Is operation now OK Fault remedied NO NO YES YES NO NO YES YES YES NO Check reset Thermal cut out 8 Fault finding Note Only genuine spare parts supplied by Vaillant Limited must be used Fault A ...

Page 23: ...pansion vessel Does pressure hold Turn off boiler and immersion heater Is discharge still occuring YES NOT OK Is the discharge occuring only when the cylinder is being heated YES NO Is pressure downstream of pressure limiting valve less than 3 0 bar YES YES NO Exchange pressure limiting valve Exchange expansion vessel NO Is operation now OK YES NO Exchange expansion relief valve OK Fault remedied ...

Page 24: ...lty YES Replace TPRV Replace immersion heater NO YES NO Is operation now OK OK Fault remedied NOT OK Check temperature control of boiler Does 2 port valve change to heating position when cylinder reaches temperature Check operation of cylinder thermostat and thermal cut out YES OK NO Remedy fault according to boiler instructions NOT OK Reset thermal cut out Replace cylinder thermostat NOT OK Check...

Page 25: ...e limiting valve OK Check pressure limiting valve OK Check sytem for blockage OK Symptoms still persisting YES Check system as for discharge from temperature or expansion relief valve Inform customer to have water service checked by water undertaker Poor Clean replace strainer Dirty Replace faulty valve Faulty Replace clear blocked components Blocked Fault remedied NO Fault D ...

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Page 28: ...8_00GB 03 2005 Subject to alteration Printed in Germany Head Office Vaillant Ltd Service Solutions 0870 6060 777 Vaillant House Trident Close Medway City Estate Rochester Kent ME2 4EZ Technical Advice 01634 292392 ...

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