Okofen 600 Manual de usuario

Installation

manual

Accumulator 600–2000 liter

ENGLISH

PE590 EN

Title:

Article number:

Installation manual 600–2000 liter

PE590 EN 1.2

Version valid from:

Approved:

03/2021

Christian Wohlinger

Author

ÖkoFEN Forschungs- &

EntwicklungsgesmbH

A-4133 Niederkappel, Gewerbepark 1

Tel.: +43 (0) 72 86 / 74 50

Fax.: +43 (0) 72 86 / 74 50 – 210

E-Mail: oek[email protected]

www.oekofen.com

Subject to modifcations

Contents

1 Dear Customer 4

2 Intended use 5

3 Types of safety warning sign 6

4 Requirements for an accumulator 7

4.1 Guidelines and Standards for an accumulator 7

4.2 Manufacturer's Guidelines 8

4.3 Notices for correct operations 10

4.4 Installation Room 11

5 Product Description 12

5.1 Model Sizes - Technical Data 13

6 Transport and Placement 15

6.1 Transport 15

6.2 Notes on bringing the unit into the building 15

7 Installing the accumulator 16

7.1 Setting Up the accumulator 16

7.2 Mounting the thermowells 16

7.3 Removal of the accumulator tank insulation 17

7.4 Installing the Additional Cylinder 19

8 Connecting up the hydraulics 20

8.1 Connector Arrangement 20

8.2 Hydraulic Connection of the Secondary Return Line 23

9 Starting up for the ﬁrst time 26

9.1 Checking the Leak Tightness 26

9.2 Filling 26

9.3 Settings 26

Contents

1 Dear Customer

Proﬁciency, innovation and quality combined. This is the tradition on which ÖkoFEN

shapes the future. We are very pleased that you too have decided to purchase a

product from ÖkoFEN.

•This manual is intended to help you operate the product safely, properly and eco-

nomically.

•Please read this manual right through and take note of the safety warnings.

•Keep all documentation supplied with this unit in a safe place for future reference.

Please pass on the documentation to the new user if you decide to part with the

unit at a later date.

•Please contact your authorised dealer if you have any questions.

ÖkoFEN attaches great importance to the development of new products. Our R&D

Department repeatedlychallenges the eectiveness of tried-and-tested systems and

works continuously on improvements. In thisway, we secure our technological advant-

age. We have already received many national and internationalawards for our prod-

ucts.

All our products comply with European standards in respect of quality, eciency and

emissions.

4 1 Dear Customer

Installation manual

2 Intended use

The ÖkoFEN hot water tank is designed for the heating and storage of heating and

domestic water in single or multi-family dwellings and commercial buildings. Use of

the ÖkoFEN hot water tank for other purposes is not permitted.

No reasonably foreseeable forms of misuse are known.

2 Intended use 5

Installation manual

3 Types of safety warning sign

The warning signs use the following symbols and texts.

Types of safety warning sign

1.Risk of injury

2.Consequences of risk

3.Avoiding risk

DANGER

Danger - indicates a situation that could lead to death or lifethreatening injury.

WARNING

Warning - indicates a situation that could lead life-threatening or serious injury.

CAUTION

Caution - indicates a situation that could lead to injury.

NOTICE

▶indicates a situation that could lead to property damage.

6 3 Types of safety warning sign

Installation manual

4 Requirements for an accumulator

4.1 Guidelines and Standards for an accumulator

The current versions of the relevant national standards must be observed.

Austria – H 5195-1, published 01/12/2010

Prevention of damage in closed-circuit hot water heating systems.

•Contamination:

Dirt and other contaminants represent signiﬁcant contributory factors to corro-

sion. The introduction of contamination into the heating system must therefore

be prevented. This must be taken into consideration as early as the planning

stage.

•The operator of the heating system is responsible for conducting tests on the

condition of the heating water.

•Such tests must be conducted no less than every 2 years on heating systems with

a water capacity of up to 5000 litres and no less than once a year on systems

with a capacity of over 5000 litres.

•Flushing water:

The water used for ﬂushing the system prior to initial startup or re-commissioning

must be clear, odourlessand free of suspended matter below 25 µm.

•A system report must be prepared for every system after initial startup and re-

commissioning.

•Replenishing water must be odourless and free of suspended matter below 25

µm. If the annual amount ofreplenishing water exceeds the capacity of the expan-

sion tank, the following parameters must be compliedwith.

Water capacity Degree of German hardness

Up to 1000 litres Up to 17

Über 1000 – 5000 litres Up to 6

Über 5000 litres Up to 0,5

4 Requirements for an accumulator 7

Installation manual

•If protective agents are used, compliance must be ensured with the permissible

concentration range in heating water.

Type of protective agent Permissible concentration [mg]

Phosphate P2O5 5 - 30

Polysilicates, SiO2 20 - 60

Polysilicates, 10 - 50

Sulphide denoted as SO3 10 - 30

Molybdate denoted as MoO4 150 - 500

Germany – VDI 2035, published 10/2009

Sheet 1 — Scale formation in DHW and hot water heating systems.

Sheet 2 — Water-side corrosion in DHW and hot water heating systems.

4.2 Manufacturer's Guidelines

Compliance with the manufacturer's guidelines ensures that your system is an

example of state-of-the-art technology and also secures your warranty entitle-

ments.

In all work, you must observe the current applicable legal requirements and the rele-

vant safety regulations:

•for Austria: ÖNORM, EN, ÖVGW-TRF and ÖVE

•for Germany: DIN, EN, DVGW, TRGI, TRF and VDE

•for Switzerland: SEV, SUVA, SVGW, SVTI, SWKI and VKF

You must also observe the connection requirements for the domestic hot water sup-

ply equipment and instructions for the heat generator.

8 4 Requirements for an accumulator

Installation manual

The following points must be observed:

1.Installing the heating system:

•The cylinder may only be connected to closed-circuit heating systems.

•The cylinder may only be connected to approved piping systems.

•ÖkoFEN recommends the installation of a DHW mixer as scalding protection.

•The piping must be insulated suciently to reduce cooling losses.

•The building clearance for installing and removing the cylinder must be

ensured.

•The cylinder must be installed in such a way that it can be shut o and emp-

tied.

•ÖkoFEN recommends use of a pressure regulator in the DHW building con-

nection.

•A ﬁne ﬁlter (backwash ﬁlter) must be installed in the DHW building connec-

tion.

•The pH value must be at least 5.0.

•Materials that emit chlorides (e.g. seals) are prohibited.

•In the case of connection to galvanised pipes, no iron or zinc particles may be

washed into the DHW heat exchanger. It is advisable to install a dirt trap.

•If a corrosion protection additive is employed, it must be compatible with

stainless steel.

2.Loading the accumulator

Optionally, the speed of this pump can be controlled by the boiler controller. Pro-

vision mustbe made for a safety pressure relief valve (3 bar) in the accumulator

loading circuit.

1 heating circuit

Boiler controller terminal àOutput ZW (hot water)

NOTICE

When using 1 heating circuit, at least software version 4.00 is required

2 heating circuits

Boiler controller terminal àOutput UW

Regardless of the software version, a heating circuit controller is required for two

heating circuits.

4 Requirements for an accumulator 9

Installation manual

3.Underﬂoor and wall heating

NOTICE

Material damage

Use of a ﬂow temperature limiter in low-temperature systems. Electrical connec-

tion of the temperature limiter according to manufacturer's guidelines.

The accumulator is connected to an underﬂoor heating system via a mixed heat-

ing circuit.

In the case of underﬂoor heating systems with plastic pipes according to DIN

4727 (PD), DIN 4728 (PP type 2) and DIN 4729 (VPE) (not 100% impermeable to

oxygen diusion), the following is advisable:

•Corrosion-resistant heat exchanger for system separation

•Anti-corrosion agent

Corrosion and sedimentation damage attributable to disregarding these rec-

ommendations will not

be compensated.

In the case of underﬂoor and wall heating systems with plastic piping imper-

meable to oxygen according to DIN 4726 E or with copper piping, there are

no additional requirements.

4.Radiator heating

As standard, the accumulator is connected to a radiator system with a mixed

heating circuit. As standard, the buer tank achieves a temperature of at least

60°C.

5.Solar thermal system

Both ﬂat-plate and tubular collectors can be connected to the buer tank. In

order to prevent damage to the collectors, pay attention to the correct concen-

tration of antifreeze in the heat transfer medium.

NOTICE

A heat exchanger register for connection to a solar thermal system is not provi-

ded. This can be realised by an external plate heat exchanger.

4.3 Notices for correct operations

•The installer must check that the ﬂange bolts are properly tightened before start-

ing up the system. The maximum tightening torque must not exceed 25 Nm.

•A suitably sized expansion vessel must be installed on the hot water circuit.

•Install a suitable, according label and application, safety valve in the cold water

inlet.

•Operation of safety valves must be checked periodically. Periodic control, mainte-

nance and replacement of magnesium anode are prerequisites for the guarantee.

•In case of water with a hardness > 17 ° dH (= 30 ° TH), it is advisable to use spe-

ciﬁc products in order to avoid excess limestone build-ups.

•Grounding connection is mandatory.

10 4 Requirements for an accumulator

Installation manual

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