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7.1  Customer service

In case of problems that cannot be resolved 
after consulting the troubleshooting guide in 
this installation manual (section 6.1), please 
contact either:

A)  The installer who supplied the product. 
B)  OSO Hotwater AS: Tel. +47 32 25 00 00 

oso@oso.no / www.oso.no

7. WARRANTY CONDITIONS

8. REMOVING THE PRODUCT

8.1 Removal

A)  Disconnect from the heat source.
B)  Shut off incoming cold water supply.
C)  Empty the product of water – see section 4.4.

100%

1.  Scope

OSO Hotwater AS (“OSO”) warrants for 5 years from the date of 

purchase that the Product will: i) conform to OSO specifications, ii) 

be free from defects in materials and workmanship, subject to the 

conditions below. All components are guaranteed to be free from 

defects in materials and workmanship for 2 years. 

The guarantee is voluntarily extended by OSO to 10 years for the 

stainless steel pressure tank. This extended warranty only applies 

to  Products  purchased  by  a  consumer,  installed  for  private  use 

and distributed by OSO or by a distributor where the Product 

was  originally  purchased  from  OSO  and  installed  by  a  qualified 

plumber.

The warranty on products purchased by commercial entities or 

installed for commercial use is governed solely by the Norwegian 

Sale of Goods Act and the following warranty conditions and 

limitations.

2.  Coverage

If a defect arises and a valid claim is received within the statutory 

warranty period, at its option and to the extent permitted by law, 

OSO will either; i) repair the defect, or; ii) replace the product with 

a product that is identical or similar in function, or; iii) refund the 

purchase price. 

If a defect arises and a valid claim is received after the statutory 

warranty  period  has  expired,  but  within  the  extended  warranty 

period,  OSO  will  supply  a  product  that  is  identical  or  similar 

in  function.  In  such  cases,  OSO  will  not  cover  any  other  costs 

associated with the replacement.

Products or components replaced in connection with warranty 

claims become the property of OSO. The product or component 

being replaced will not result in an extension of the original 

warranty period. 

3.  Assumptions

The product is adapted to the water quality from most public water 

works. However, certain water qualities (see below) may have very 

negative effects (resulting in corrosion) on the expected service life 

of the product. If there are uncertainties regarding water quality, 

the local water supply authority can supply the necessary data.

This warranty applies only if the following conditions are met: 

• 

The product has been installed according to the installation 

instructions supplied and in compliance with all relevant 

regulations, standards and requirements in effect at the date 

of installation. 

• 

The  product  has  not  been  modified,  changed,  subjected 

to abnormal effects, and no factory-fitted or supplied parts 

have been removed.

• 

The product has only been connected to public water 

works, has been in regular use, and the water quality is as 

follows:

- Chlorides  

 

< 75 mg / L*

- Conductivity (EC) at 25°C 

< 230 μS / cm*

*In the case of higher values, the anode should be fitted 

before filling the product with water.

• 

The heating element has not been exposed to water of a 

hardness exceeding 5°DH (90 mg/L CaCO3). 

• 

Any form of disinfection of the piping has been carried 

out without affecting the product. The product should be 

isolated from any form of chlorination.

• 

The product has been in regular use since the date of 

installation. If the Product is not to be used for 60 days or 

more, it must be drained down.

• 

Service and maintenance have been carried out by an 

expert according to the requirements in the accompanying 

installation instructions and all relevant technical 

regulations. Any component used for servicing is an original 

OSO spare part.

• 

Any warranty cost has been approved in writing by OSO 

before it is charged. 

• 

A  purchase  receipt  and/or  receipt  for  the  installation,  a 

water sample and the defective product will be provided to 

OSO on request.

 

If the above conditions are not met, this may result in damage to 

the Product and subsequent water leakage.

4.  Limitations

The warranty does not cover:

• 

Any fault or costs arising from incorrect installation or use, 

lack of maintenance, negligence, misuse, alteration or repair 

carried out incorrectly or any fault caused by changing the 

product from its original form. 

• 

Any consequential damage or any indirect loss caused by 

any failure or malfunction of the Product.

• 

Any damage caused by frost, over-pressure, over-voltage or 

chlorine treatment. 

• 

The effects of stagnant water if the Product has been left 

unused for more than 60 days consecutively.

• 

Any pipework or equipment connected to the Product.

• 

Transport  damage.  The  carrier  should  be  notified  of  any 

such damage upon receipt.

• 

Costs due to the fact that the product is not easily accessible 

for service.

This warranty does not limit the Purchaser’s statutory rights in any 

way.

D)  Disconnect all pipes.
E)  The product can now be removed.

8.2 Returns scheme

This product is recyclable and should be taken to 
the environmental recycling centre. If the product 
is to be replaced with a new one, the installer can 
take the old cylinder away for recycling.

Summary of Contents for Maxi Geocoil MGC 400

Page 1: ... OSO Hotwater AS Industriveien 1 3300 Hokksund Norway Tel 47 32 25 00 00 Fax 47 32 25 00 90 E mail oso oso no www osohotwater com Maxi Geocoil MGC 400 l EN SAFETY INFORMATION O M INFORMATION INSTALLATION MANUAL TDS TECHNICAL DATA SHEET ...

Page 2: ...2 Included in delivery 6 3 3 Product dimensions 6 3 4 Requirements for installation location 7 3 5 Pipe installation 8 3 6 Electrical installation 10 4 Initial commissioning 12 4 1 Filling with water 12 4 2 Turning on the power 12 4 3 Control points 12 4 4 Emptying of water 12 4 5 Handover to end user 12 5 User Guide 13 5 1 Settings 13 5 2 Maintenance 13 6 Troubleshooting 14 6 1 Faults and fixes 1...

Page 3: ...ey are accessible for fu ture reference The manufacturer assumes compli ance by the end user with the safety operating and maintenance instructions supplied and by the installer with the fit ting manual and relevant standards and regulations in effect at the date of instal lation Symbols used in this manual WARNING Could cause serious injury or death CAUTION Could cause minor or moderate injury or...

Page 4: ...fficient understanding CAUTION The product must not be exposed to frost over pressure over voltage or chlorine treatment See warranty provisions Maintenance settings should not be carried out by persons of diminished physical or mental ca pacity unless they have been instructed in the correct use by someone responsible for their safety CAUTION The product should be placed in a room with a drain in...

Page 5: ...th EN 12897 2016 and EN 60335 2 21 as well as other useful data See Declaration of Conformity at www osohotwater com for more information OSO products are designed and manufactured in accordance with Pressure vessel standard EN 12897 2016 Safety standard EN 60335 2 21 Welding standard EN ISO 3834 2 OSO Hotwater AS is certified for Quality ISO 9001 Environment ISO 14001 Work environment OHSAS 18001...

Page 6: ... 1 Products covered by these instructions 800 1852 Maxi Geocoil MGC 400 3 2 Included in delivery Ref no Number of Description 1 1 Buffer tank with electrical peak load coil 2 1 Installation manual this document 3 1 Junction box with 3 elements thermostats 4 1 PT valve 10 bar 99 C supplied loose 5 3 Feet factory fitted 2 4 1 3 5 All dimensions in mm E F B C D ø A ...

Page 7: ... with the wetroom standard latest TEK Alternatively fit an automatic stop valve with sensor and overflow from safety valve to drain The product should be placed in a dry and permanently frost free position The product should be placed on a floor or wall suitable for the total weight of the product when in operation See type plate The product must have a clearance for servicing of 40 cm in front of...

Page 8: ...pe 11 18 mm inside run to PT safety valve Connected to the overflow 10 of the PT safety valve 3 4 internal thread Clear undamaged and frost free with a fall to the drain The product is designed to be permanently con nected to the mains water supply Approved pipes of the correct size should be used for installation The relevant standards and regulations must be followed 1 2 3 4 6 7 5 5 8 9 11 11 10...

Page 9: ...ill prevent possible material damage 3 5 4 Fitting instructions 3 5 5 Fitting recommendation CAUTION The product should be placed in a room with a drain in accordance with the wetroom standard latest TEK Alternatively fit an automatic stop valve with sensor and overflow from safety valve to drain The product should be properly aligned vertically and horizontally on a floor suitable for the total w...

Page 10: ...nternal wires Heat resistant Fixed electrical fittings must be used for instal lation Any electric fittings must be installed by an authorised electrician The relevant standards and regulations must be followed 3 6 2 Electrical connections in the junction box A Supply cable connected to Ensto terminal 1 1 Circuit diagram shows standard connec tion from the fac tory 3x230V and also applies to 3x400...

Page 11: ...wer is switched on Fixed electrical fittings must be used for installation according to the regulations Any electric fittings must be installed by an authorised electrician The mains cable should withstand 90 C A suitable strain reliever must be fitted CAUTION The product must have a clearance for servicing of 40 cm in front of the cover In case of damage to the power supply cable this should be r...

Page 12: ...g firmly ver tically and horizontally 4 5 Handover to end user 4 INITIAL COMMISSIONING THE INSTALLER MUST Brief the end user on safety and maintenance instructions Brief the end user on settings and emptying the product Hand this installation manual over to the end user Enter contact details on the type plate on the product WARNING The water temperature in the product is 75 C and could cause scald...

Page 13: ... off the power supply removing the cover 2 and pressing the red RESET button 4 If the thermostat cuts out repeatedly contact the installer 5 1 3 Adjusting the feet The product is supplied with three factory fit ted feet adjustable from 0 40 mm Screw the feet out a minimum of 15 mm from the bottom of the product Adjust the feet individually un til the product is standing firmly vertically and horiz...

Page 14: ...pted Verify that the fuse is on the plug is plugged in to the wall contact the earth breaker has not tripped Thermostat has cut out Press the RESET button on the safety thermostat see User guide Heating element is defective Replace heating element Contact auth installer Leak in hot water pipe Verify as follows a close the water sup ply b wait 2 3 hours c feel the tank to see whether it is hot If s...

Page 15: ...f the following conditions are met The product has been installed according to the installation instructions supplied and in compliance with all relevant regulations standardsandrequirementsineffectatthedate of installation The product has not been modified changed subjected to abnormal effects and no factory fitted or supplied parts have been removed The product has only been connected to public ...

Page 16: ...el 47 32 25 00 00 oso oso no www osohotwater com This installation manual and all its content is protected by copyright and may be reproduced or distributed only with written consent from the manufacturer We reserve the right to make changes without notice ...

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