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 GUARANTEE 

The iSteel stainless steel vessel carries a 25 year guarantee against faulty materials or manufacture provided that: 
 

 

It has been correctly installed as per this document and all the relevant standards, regulations and codes of practice 
in force at the time. 

 

It has not been modified in any way, other than by ATAG Heating Technology UK Ltd. 

 

It has not been misused, tampered with or subjected to neglect. 

 

It has only been used for the storage of potable water. 

 

It has not been subjected to frost damage. 

 

The unit has been serviced annually. 

 

The benchmark service record has been filled in after each annual service. 

 

The guarantee period starts from the date of purchase and no registration is required. 

 

The extended guarantee is not transferable, and rests with the original householder. 

 

The system is fed from a public mains water supply. 

 

Store temperatures do not exceed 65

°

C. 

 

Installations are made only in the UK & Republic of Ireland. 

 

The water supply does not have a Chloride content greater than 250ppm. 

 

Units are not installed with uncontrollable heat sources (E.g. Wood Burning Stoves). 

 

For commercial / heavy duty installations where constant usage / reheat is required Titanium immersion heaters 
must be fitted in order to comply with the warranty.  

 
Please  note  that  invoices  for  servicing  may  be  requested  to  prove  that  the  unit  has  been  serviced  annually.  All  the 
components fitted to / or supplied with the iSteel carry a 2 year guarantee. The guarantee starts when the cylinder is first 
filled. 

 EXCLUSIONS – THINGS THE GUARANTEE DOES NOT COVER 

The effects of scale build up. Any labour charges associated with replacing the unit or its parts. Any consequential losses 
caused by the failure or malfunction of the unit. 

 GUIDANCE IN THE EVENT OF A PROBLEM 

If you have a problem in the first year contact the plumber who fitted the unit. Thereafter contact the plumber who 
carries out the annual servicing for you. If your iSteel develops a leak we will supply you with a new one. We ask for an 
up-front payment to prevent fraud.  
 
We  will  require  the  original  unit  to  be  returned  to  us  for  inspection  along  with  a  copy  of  your  service  record  and 
commissioning check sheet. If it is confirmed that it has failed within the terms of the warranty your upfront payment 
will be refunded. If a component part fails within the two year guarantee period we will send you a new one again with 
an upfront charge. Credit card details may be taken to prevent fraud. We ask you to post the faulty part back to us within 
one month by recorded delivery. Once the part has been tested and proven faulty a refund will be issued. 

 USER INSTRUCTIONS 

Your stainless system is automatic in normal use and requires only annual servicing. You should employ a competent 
installer to perform the annual servicing. Normally this is timed to coincide with the annual boiler service. 
 

IF WATER IS FLOWING FROM THE SAFETY VALVES THROUGH THE TUNDISH THIS INDICATES A 

FAULT CONDITION AND ACTION IS NEEDED. 

 
If this water is hot turn the boiler and / or the immersion heater off. Do not turn off the water until the discharge runs 
cool. The discharge may also stop. 
 

CALL A COMPETENT PLUMBER OUT TO SERVICE THE UNIT. 

 
Tell them you have a fault on an unvented cylinder. We stock all the spare parts they may need. 

 PLEASE NOTE 

Before making any claim/return on a iSteel Cylinder or Component, please make sure you have run through the following 
fault finding options and check the offending item is less than one year old or the unit has been serviced every 12 months 
in line with the Benchmark Scheme.  
 
Proof of this will be required when returning any part, also note all components are date stamped. Failure to do this will 
result in any credit/claim being rejected. 
 

 

Содержание iSteel 120

Страница 1: ...iSteel INSTALLATION MANUAL ISSUE 2015 V1 FOR MORE INFORMATION GO TO www atagheating co uk...

Страница 2: ...eir G3 unvented qualification The installation of this product is also notifiable under the national Building Regulations ONCE COMPLETED THIS INSTRUCTION MANUAL IN ITS ENTIRETY SHOULD BE LEFT WITH THE...

Страница 3: ...ditional upstream pressure reducing device should be fitted A minimum of 22mm supply pipe work should ideally be provided and existing 1 2 15mm cold mains pipe work may need to be upgraded Hard water...

Страница 4: ...e Sealed or vented primary circuits can be used to comply with normal installation practice the primary pressure should not exceed 3 bar although the coil in the iSteel is suitable for up to 7 bar if...

Страница 5: ...nd maintenance of services supplying water for domestic use within buildings and their curtilages Have a vertical section of pipe at least 300mm long below the tundish before any elbows or bends in th...

Страница 6: ...the solar heat source Either primary coil connection may be used for flow or return The solar cylinder sensor supplied is inserted into the lower thermostat pocket and the energy cut out into the upp...

Страница 7: ...6 N 3 Port Mid Position E HTG ON DHW ON DHW OFF L N E SL 1 2 3 1 2 3 L N E N L N E 2 3 2 Port Heating Cutout combined Duostat 2 Port DHW PUMP Wiring Centre Room Stat Programmer Boiler G Grey Bl Blue...

Страница 8: ...your discharge pipework is free from debris and is carrying the water away without spillage over the tundish and release the valves and check that they re seat properly GENERAL Servicing should only...

Страница 9: ...ou have a problem in the first year contact the plumber who fitted the unit Thereafter contact the plumber who carries out the annual servicing for you If your iSteel develops a leak we will supply yo...

Страница 10: ...n of the boiler and its controls EXPANSION VESSEL Symptoms Possible causes Follow up action Discharge of water from the relief valve Expansion Vessel is too small Vessel needs resizing and installatio...

Страница 11: ...INLET CONTROL GROUP Fault Finding Information...

Страница 12: ...TUNDISH Fault Finding Information...

Страница 13: ...T P RELIEF VALVE Fault Finding Information...

Страница 14: ...DUAL THERMOSTAT Fault Finding Information...

Страница 15: ...IMMERSION HEATER Fault Finding Information...

Страница 16: ...ENERGY CUT OUT Fault Finding Information...

Страница 17: ......

Страница 18: ......

Страница 19: ...to third parties in the normal course of business In this respect the Buyer shall act in the capacity of the Companies commission agent and the proceeds of such sale 6 6 1 shall be held in trust for u...

Страница 20: ...ary Pressure Indirect Only 3 Bar Cylinder Data Table Capacity Weight Kg Empty iSteel 90 Direct 90 21 Indirect 88 27 iSteel 120 Direct 120 25 Indirect 118 31 iSteel 150 Direct 150 30 Indirect 148 35 Tw...

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