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Safety instructions
Refl ex diaphragm pressure expansion vessels are classed as pressure
Refl ex diaphragm pressure expansion vessels are classed as pressure
equipment (Pressure Equipment Directive 2014/68/EU). They have
equipment (Pressure Equipment Directive 2014/68/EU). They have
a gas cushion. A diaphragm separates the vessel into a gas and a
a gas cushion. A diaphragm separates the vessel into a gas and a
water space.
water space.
Importance of this document:
Importance of this document:
Carefully read the instructions before installation, commissioning, op-
Carefully read the instructions before installation, commissioning, op-
eration or maintenance and follow the instructions! Always pass the
eration or maintenance and follow the instructions! Always pass the
instructions on to the current system operator and save for later use!
instructions on to the current system operator and save for later use!
Instructions:
Instructions:
The vessels must only be installed, commissioned and maintained
The vessels must only be installed, commissioned and maintained
by skilled, qualifi ed specialists.
by skilled, qualifi ed specialists.
Warnings:
Warnings:
Observe and comply with the warnings in these instructions.
Observe and comply with the warnings in these instructions.
Identifi cation of important warnings:
Identifi cation of important warnings:
Warning.
Warning. Dangers that can result in severe and/or fatal
Dangers that can result in severe and/or fatal
injuries.
injuries.
Caution.
Caution. Dangers that can result in injuries or health risks.
Dangers that can result in injuries or health risks.
Attention.
Attention. Dangers that can result in damage to the
Dangers that can result in damage to the
system or malfunctions.
system or malfunctions.
Note.
Note. Additional notes or information.
Additional notes or information.
General safety instructions:
General safety instructions:
- - National standards and regulations for the operation of pressure
National standards and regulations for the operation of pressure
equipment, as well as for accident prevention, are to be given
equipment, as well as for accident prevention, are to be given
priority and must be followed.
priority and must be followed.
- - Risk of scalding from hot surfaces, hot water or hot steam.
Risk of scalding from hot surfaces, hot water or hot steam.
- - Before working on the system, depressurise it and let it cool down.
Before working on the system, depressurise it and let it cool down.
Make sure that the pressure equipment is depressurised before
Make sure that the pressure equipment is depressurised before
starting work.
starting work.
- The operating pressure (PS) must not fall below/exceed the
- The operating pressure (PS) must not fall below/exceed the
min./max. permissible values. The pre-pressure may not exceed 4 bar
min./max. permissible values. The pre-pressure may not exceed 4 bar
during storage and/or transport. The min./max. permissible operating
during storage and/or transport. The min./max. permissible operating
temperature (TS) must be observed.
temperature (TS) must be observed.
- The actuating pressure of the system-side safety valve (Psv)
- The actuating pressure of the system-side safety valve (Psv)
must be ≤ the permissible operating pressure (PSmax) of the
must be ≤ the permissible operating pressure (PSmax) of the
pressure equipment.
pressure equipment.
- When exchanging parts, only use original spare parts from the
- When exchanging parts, only use original spare parts from the
manufacturer.
manufacturer.
Safety instructions for installation and setup:
Safety instructions for installation and setup:
- Avoid subjecting the pressure equipment to any impermissible forces
- Avoid subjecting the pressure equipment to any impermissible forces
during transport and setup.
during transport and setup.
- Use the factory-fi tted suspension points for setup if present.
- Use the factory-fi tted suspension points for setup if present.
- Ensure that the installation surface offers suffi cient stability and
- Ensure that the installation surface offers suffi cient stability and
load-bearing capacity, taking into account the maximum fi ll level
load-bearing capacity, taking into account the maximum fi ll level
of the vessel.
of the vessel.
- The design does not take into account transverse or longitudinal
- The design does not take into account transverse or longitudinal
acceleration forces.
acceleration forces.
- The pipe connections must be force-free and torque-free and the pipes
- The pipe connections must be force-free and torque-free and the pipes
must be laid in a vibration-free manner. If you have any questions,
must be laid in a vibration-free manner. If you have any questions,
please contact Refl ex After Sales & Service.
please contact Refl ex After Sales & Service.
- The installation location must be a closed-off, dry and frost-free room.
- The installation location must be a closed-off, dry and frost-free room.
- The installation location must be protected against fl ooding.
- The installation location must be protected against fl ooding.
- Install so that inspection is possible from all sides, the gas fi lling valve
- Install so that inspection is possible from all sides, the gas fi lling valve
and the water-side secured shut-off and drain are accessible, and the
and the water-side secured shut-off and drain are accessible, and the
nameplate remains visible.
nameplate remains visible.
- After completion of the installation, it is essential to carry out a leakage
- After completion of the installation, it is essential to carry out a leakage
test, as well as a function test.
test, as well as a function test.
Please also note the safety instructions on pages 6–13
Please also note the safety instructions on pages 6–13
Intended use:
Intended use:
Refl ex diaphragm pressure expansion vessels are used for pres-
Refl ex diaphragm pressure expansion vessels are used for pres-
sure maintenance and volume compensation in stationary, closed
sure maintenance and volume compensation in stationary, closed
heating, solar and cooling water systems. A wear allowance (corrosion
heating, solar and cooling water systems. A wear allowance (corrosion
allowance) is not included. Use is only permitted in atmospherically
allowance) is not included. Use is only permitted in atmospherically
closed systems with non-corrosive, chemically non-aggressive and
closed systems with non-corrosive, chemically non-aggressive and
non-toxic water. The glycol ratio in the water may be between 25%
non-toxic water. The glycol ratio in the water may be between 25%
and 50%. When dosing additives, follow the specifi cations of the
and 50%. When dosing additives, follow the specifi cations of the
manufacturer with respect to the permissible dosing quantity, par-
manufacturer with respect to the permissible dosing quantity, par-
ticularly with regard to corrosion.
ticularly with regard to corrosion.
Refl ex is not suitable for oil and is not approved for media in fl uid
Refl ex is not suitable for oil and is not approved for media in fl uid
group 1 in accordance with Directive 2014/68/EU (e.g. toxic media).
group 1 in accordance with Directive 2014/68/EU (e.g. toxic media).
Information on other media than those indicated will be provided on
Information on other media than those indicated will be provided on
request.
request.
The infl ux of atmospheric oxygen must be minimised reliably in
The infl ux of atmospheric oxygen must be minimised reliably in
the entire system. Non-compliance and any other use is considered
the entire system. Non-compliance and any other use is considered
improper and will lead to the exclusion of liability and void the
improper and will lead to the exclusion of liability and void the
guarantee.
guarantee.
In particular, the following is considered improper use:
In particular, the following is considered improper use:
- Mobile use.
- Mobile use.
- Outside use.
- Outside use.
- Use with oils.
- Use with oils.
- Use with fl ammable media.
- Use with fl ammable media.
- Use with distilled water.
- Use with distilled water.
- Use with media in fl uid group 1
- Use with media in fl uid group 1
in accordance with Directive 2014/68/EU
in accordance with Directive 2014/68/EU
There is no material fatigue in the case of pressure equipment in
There is no material fatigue in the case of pressure equipment in
accordance with EN 13831 (as well as CS-004 and CS-005) due to
accordance with EN 13831 (as well as CS-004 and CS-005) due to
the operating conditions (EN 13831 point 6.1.8). This statement can
the operating conditions (EN 13831 point 6.1.8). This statement can
also be applied to pressure equipment according to AD 2000 due to
also be applied to pressure equipment according to AD 2000 due to
the use of the same operating conditions. There is no consideration
the use of the same operating conditions. There is no consideration
of load changes beyond AD2000 S1 Section 1.4 (ΔPmax = 10 % and
of load changes beyond AD2000 S1 Section 1.4 (ΔPmax = 10 % and
N ≤ 1000).
N ≤ 1000).
Liability:
Liability:
No guarantee or liability in cases of:
No guarantee or liability in cases of:
- Non-compliance with the instructions.
- Non-compliance with the instructions.
- Incorrect installation and/or operation.
- Incorrect installation and/or operation.
- Installation and/or operation of a faulty product.
- Installation and/or operation of a faulty product.
- Independent modifi cation of the product.
- Independent modifi cation of the product.
Maintenance:
Maintenance:
The operator must ensure that maintenance is performed on the
The operator must ensure that maintenance is performed on the
system at least once a year. This maintenance work involves testing
system at least once a year. This maintenance work involves testing
the water quality, performing an external inspection and testing the
the water quality, performing an external inspection and testing the
upstream pressure. The applicable national regulations, laws and
upstream pressure. The applicable national regulations, laws and
standards must be observed.
standards must be observed.
Testing:
Testing:
Pressure equipment is subject to mandatory testing. The operator
Pressure equipment is subject to mandatory testing. The operator
individually defi nes the test intervals based on the national
individually defi nes the test intervals based on the national
regulations and a safety-relevant evaluation, and under
regulations and a safety-relevant evaluation, and under
consideration of the actual operating conditions.
consideration of the actual operating conditions.
Disposal:
Disposal:
Observe the local regulations for recycling or waste disposal.
Observe the local regulations for recycling or waste disposal.
Product may not be disposed of with normal household refuse
Product may not be disposed of with normal household refuse
and must always be disposed of in the correct way.
and must always be disposed of in the correct way.
Standards to be considered:
Standards to be considered:
- VDI 2035 – Prevention of damage in water heating installations
- VDI 2035 – Prevention of damage in water heating installations
- Heating Systems in Buildings DIN EN 12828
- Heating Systems in Buildings DIN EN 12828
- Operational Safety Ordinance (for Germany – you can fi nd
- Operational Safety Ordinance (for Germany – you can fi nd
information on this on our home page)
information on this on our home page)
Applied directive:
Applied directive:
- Pressure Equipment Directive 2014/68/EU
- Pressure Equipment Directive 2014/68/EU
See the nameplate for the selected technical specifi cation.
See the nameplate for the selected technical specifi cation.
© refl ex.de / 10.2020 / 9128815 / Refl ex N, NG, S, C, F, G, SL
© refl ex.de / 10.2020 / 9128815 / Refl ex N, NG, S, C, F, G, SL
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