Atag iSteel 120 Installation Manual Download Page 1 | Manualshive

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iSteel

INSTALLATION MANUAL

ISSUE 2015 – V1

FOR MORE INFORMATION GO TO:

www.atagheating.co.uk

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Summary of Contents for iSteel 120

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 12: ...TUNDISH Fault Finding Information...

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

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

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

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

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Page 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...

Page 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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