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ZIP

Varipoint III

Models VP303, VP503

VP803, VP953

direct unvented water heaters

Issued August 2008

Installation, Maintenance

and User Instructions

Please read these instructions carefully 

before

commencing installation

of the Varipoint unvented water heater.

Please leave these instructions with the end user after installation.

Zip Heaters (UK) Ltd
14 Bertie Ward Way
Dereham Norfolk NR19 1TE
Telephone 0845 602 4533
Facsimile 01362 692448
www.zipheaters.co.uk
[email protected]

The terms ‘Zip’ and ‘Varipoint’ are registered trademarks.

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Summary of Contents for VP303

Page 1: ...mencing installation of the Varipoint unvented water heater Please leave these instructions with the end user after installation Zip Heaters UK Ltd 14 Bertie Ward Way Dereham Norfolk NR19 1TE Telephon...

Page 2: ...a current Registered Operative Identity card for the installation of unvented domestic hot water storage systems issued by an accredited body The Zip Varipoint must be installed in accordance with the...

Page 3: ...External expansion vessel pre charged to 3 5 bar Expansion vessel capacity 5 litre 30 and 50L Varipoint 8 litre 80 and 100L Varipoint Approvals Zip Varipoint III complies with the LVD and EMC directi...

Page 4: ...water supply To drain via tundish Hot water outlet 1 2 9 3 4 5 6 7 8 1 Temperature and pressure relief valve 2 Combined pressure reducing valve and strainer 3 Expansion relief and check valve 4 Balanc...

Page 5: ...the weather These instructions must be read and fully understood before commencing the installation If in doubt or in need of further guidance please ring Zip on 0845 602 4533 Installation must only b...

Page 6: ...perature and pressure relief valves should drain via a tundish which should be installed in a visible location and away from any electrical devices The discharge pipe from the tundish should terminate...

Page 7: ...rge pipe should be at least one pipe size larger than the largest individual discharge pipe to be connected If unvented hot water storage systems are installed where discharges from safety devices may...

Page 8: ...duct Ensure that the wall where the unit is to be located is sufficiently strong to support the full weight of the unit see dimensions and capable of accepting suitable fixings Position the Zip Varipo...

Page 9: ...board or any concealed location For guidance please ring Zip Heaters on 0845 602 4533 Plumbing 1 The unit should be provided with a cold water supply via 22mm pipework 2 The water connections are at t...

Page 10: ...Connect the hot water supply pipe to the outlet from the heater 12 Connect the discharge pipe from the tundish Refer to Installation Requirements on page 6 and Typical Installation drawing on page 5...

Page 11: ...open until all air has been purged from the system and water is flowing freely from all outlets 8 Check for leaks and rectify as necessary 9 Check the operation of both the T P relief valve and the E...

Page 12: ...the electrical supply to the unit isolate the water supply and contact a competent person familiar with unvented systems 9 Please note that lime scale deposits form more readily at higher temperatures...

Page 13: ...n discharge ceases Replace thermostat if faulty Continuous water Pressure reducing valve Check with pressure gauge and discharge from not operating correctly replace as necessary the tundish P T relie...

Page 14: ...and allow the unit to drain De Installation To de install the heater 1 Switch off and disconnect the electrical supply 2 Close the mains water supply isolating valve 3 Drain the heater as described i...

Page 15: ...moval cartage and re installation of any component of the appliance if it needs to be returned for repair to Zip or its Distributor This warranty does not cover damage resulting from non operation of...

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