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7.1  Customer service

In case of problems that cannot be resolved 

with the aid of the troubleshooting guide in 

this installation manual (section 6.1), contact 

either:

A) The installer who supplied the product. 

B) OSO Hotwater AS: Tel.: +47 32 25 00 00

  [email protected] / 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.

D) Disconnect all pipes.

E)  The product can now be removed.

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 uS / cm*

 

*At higher values, the anode should be fitted before the 

product is filled 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.

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 Press MX 1000

Page 1: ...SO 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 Xpress MX 600 1000 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: ...er 18 years of age with sufficient 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 capacity unless they have been instructed in the correct use by someone responsible for their safety CAUTION The product should be placed ...

Page 5: ...to the product The type plate contains details of the product in accordance with 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 PED 2014 68 EU Safety standard EN 60335 2 21 Welding standard EN ISO 3834 2 OSO Hotwater AS is ce...

Page 6: ...ce 50 0 mm 3 INSTALLATION INSTRUCTIONS 3 1 Products covered by these instructions 800 1653 MX 600 800 1654 MX 1000 3 2 Included in delivery Ref no Num ber of Description 1 1 Buffer tank with electric peak load 2 1 Installation manual this document 3 1 PT valve 10 bar 99 C supplied loose All dimensions in mm 2 3 1 C A B ø ...

Page 7: ... 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 placed in a dry and permanently frost free position The product should be placed on a floor 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 fr...

Page 8: ...ng a pressure reduction valve 3 5 2 Fitting pipes A Run a pipe of suitable size to the connec tions shown and affix with suitable sealant Unused connections must be plugged se curely B The product can connected in series for increased capacity in the system Use OSO prefabricated SRS jointspipes See illustra tion 3 5 3 Fitting of overflow pipe Overflow pipe 9 18 mm inside run to the safety valve Co...

Page 9: ...with sensor This will 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 suitab...

Page 10: ... thermostats to elements are pre connected from the fac tory C Ensure that the earth yellow wire with green stripe is connected to earthing point Cover of junction box should be correctly mount ed before the power is switched on The power must not be switched on until the product has been filled with water 3 6 Electrical installation 3 6 1 Electrical components Component Note Safety thermostat 98 ...

Page 11: ...product should be filled with water before the power is switched on Fixed electrical fittings must be used for installation according to the regulations Any electric fittings must be installed by an authorized 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 ...

Page 12: ...and frost free with a fall to the drain D Check that the product is standing 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 data plate on the product...

Page 13: ... the safety thermostat The safety thermostats on the product cut out when there is a risk of overheating These are re set by switching 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 USER GUIDE RESE T R E S E T M 2 1 2 3 4 THERM O DISC 60 C 90 C 80 C 70 C 1 2 3 4 MAINTENANCE INSTRUCTIONS Maintenance should ...

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 supply b wait 2 3 hours c feel the tank to see whether it is hot If so...

Page 15: ...ply the necessary data This warranty applies only if the following conditions are met Theproducthasbeeninstalledaccordingtotheinstallation 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 remo...

Page 16: ...r beskyttet av åndsverksloven og skal ikke reproduseres eller distribueres uten skriftlig avtale med produsenten Forandringer forbeholdes 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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