schmalenberger fluvo NT2 rondo User manual

GB
27211 - F.1
NT2 rondo
D
D
F
I
E

CONTENTS
2NT2 rondo
Version:27211 - F
Schmalenberger GmbH + Co. KG
D-72072 Tübingen / Germany
Contents
1General.................................................................................................3
2Safety Instructions..............................................................................3
3Unit Description / General Technical Data........................................5
4Installation Site Specifications / Installation....................................8
4.1 Planning the pump pit .......................................................................................................8
4.2 Installation Preparations / Concrete pool ..........................................................................9
4.3 Installation Preparations / Pre-fabricated pool ..................................................................9
4.4 Installation Preparations / Wood-liner pool .......................................................................10
4.5 Pump kit Installation / Concrete-tile pool ..........................................................................10
4.6 Pump kit Installation / Concrete-liner pool ........................................................................11
4.7 Installation kit and Pump kit Installation / Pre-fabricated pool ..........................................11
4.8 Installation kit and Pump kit Installation / Wood-liner pool ................................................12
4.9 Non-return air valve Installation .......................................................................................13
4.10 Installation of the face plate assembly - general ...............................................................13
5Electrical Connections .......................................................................16
5.1 Electrical Connections - general........................................................................................16
5.2 Electrical connections three-phase current........................................................................17
5.3 Electrical connections AC..................................................................................................17
6Start-up / Operating ............................................................................18
7Shutdown / Overwintering..................................................................20
7.1 Empty the pool .................................................................................................................20
7.2 Face plate assembly overwintering ...................................................................................20
7.3 Emptying the pump ........................................................................................................20
8Maintenance / Repairs........................................................................21
8.1 General Instructions...........................................................................................................21
8.2 Maintenance / Service .......................................................................................................21
8.3 Repairs ..............................................................................................................................21
9Spare parts ..........................................................................................21
10 Spare parts list an drawing..............................................................22
10.1 Spare parts list.................................................................................................................22
10.2 Drawing............................................................................................................................26

OPERATOR‘S MANUAL
3
NT2 rondo
Version: 27211 - F Schmalenberger GmbH + Co. KG
D-72072 Tübingen / Germany
1 General
1.1 Guarantee notice
If the instructions contained in this operator’s manual are not observed then any
claims under guarantee shall be void.
1.2 General
All parts coming into contact with media are designed for water quality to DIN 19643.
This counter-current swimming system is of state-of-the-art technology.
This manual does not take into account local regulations, the observance of which is the
responsibility of the operator – also on behalf of installation personnel that may be invol-
ved.
The type plate specifies the machine series, the frame size, the most important operating
data and the serial number. Please be sure to quote it in case you require more information
and also when placing subsequent orders or ordering spare parts.
1.3 Usage Instructions
The counter-current system was designed for use in private swimming pools. Consequent-
ly it must not be installed in public swimming pools. Neither the entire unit nor parts thereof
must be used in other systems. You are expressly directed to use it only in accordance with
these instructions.
The counter-current system must not be operated beyond the parameters stated in the
technical data (3.1) . In case of doubt, please contact your customer service or the manu-
facturer.
2 Safety Instructions
2.1 General
• Prior to starting up, make sure that the operators have read and understood the
operator’s manual. Not the operator but the owner is responsible for safety!
• Make sure that the relevant safety regulations and laws are observed in the operating
company and / or country where the counter-current systems are to be used.
• All parts that come into contact with the medium are resistant to an absolute salt con-
tent of up to 0.75% (4,500 mg/l Cl¯). If the salt concentrations are greater than this, the
manufacturer must be consulted.
• Use the counter-current system only if it is in perfect technical condition, in accordance
with the regulations, observing safety requirements and danger conditions and strictly
adhering to all the instructions in the operator’s manual!
• Promptly remedy any faults that could influence safety.
For more details of safety instructions please see the operator´s manual
WK (27220).

OPERATOR‘S MANUAL
4NT2 rondo
Version:27211 - F
Schmalenberger GmbH + Co. KG
D-72072 Tübingen / Germany
2.2 Symbols
In these operating instructions the following symbols are used to draw your special atten-
tion to dangers:
Notices attached directly to the counter-current system , e.g. the arrow indicating the direc-
tion of rotation, must always be observed and maintained in a clearly legible condition.
2.3 Safety Instructions for the Operator
1. Electrical equipment must be installed and maintained by qualified electricians. The ap-
propriate local safety requirements and installation regulations must be observed. The
expression “qualified person” is defined in VDE 0105 and IEC 364 There is no informa-
tion contained in this operator’s manual for unqualified persons. It must be pointed out
that EU regulations prohibit the use of unqualified persons on electrical systems.
2. The details on the type plate must correspond to the electrical supply being connected
to.
3. The counter-current system may only be operated using an earth leakage circuit brea-
ker.
4. Under no circumstances must there be any conducting connection between the metal
parts of the motor and the water.
5. If the counter-current system is built into a pump pit then it must be ensured that there
is enough ventilation (for cooling the motor) and enough drainage facility for leaked wa-
ter (at least DN 40).
6. Prior to carrying out repairs to the counter-current system it must be isolated from the
electrical supply and protected from unintentional switching on.
7. Regardless of what nature they may be, repairs must only be carried out by qualified
persons and the counter-current system must be emptied first.
8. The operator must ensure that
- the operator’s manual is always available for users to read,
- instructions in the operator’s manual are being observed,
- the counter-current system is immediately stopped if abnormal electrical voltages,
temperatures, noises, vibrations, leakages or other faults should arise.
Warning! Danger of injury! / Warning! Risk of damage!
This symbol warns you of dangers through mechanical effects and also warns
of handling that could damage the product.
Warning! Mortal danger!
This sign warns you of the danger from electric shocks.
9. Persons who are likely to be endangered by radio waves (e.g. wearers of
heart pace makers) should not linger close to this counter-current swim-
ming system with radio control. In such cases it is recommended to employ
some other form of control (external or pneumatic).

OPERATOR‘S MANUAL
5
NT2 rondo
Version: 27211 - F
Schmalenberger GmbH + Co. KG
D-72072 Tübingen / Germany
3 Unit Description / General Technical Data
• The counter-current system complies with VDE (Association of German Engineers) re-
gulations.
• The electric motor and the water conducting plastic pump are electrically separated.
• The electric motor complies with protection class IP 55.
• The entire counter-current system complies with protection class I.
The counter-current system is delivered as 3 assemblies:
1. Pump kit 2. Assembly kit 3. Installation kit
3.1 Technical Data
*AC = Alternating current
System type: NT2 rondo
1.5
NT2 rondo
1.5 AC*
NT2 rondo
1.9
NT2 rondo
1.9 AC*
NT2 rondo
3.0
Power 1.5 kW 1.5 kW 1.9 kW 1.9 kW 3.0 kW
Voltage [V] 400 Y /
230 ∆
230 400 Y /
230 ∆
230 400 Y /
230 ∆
Frequency 50 Hz 50 Hz 50 Hz 50 Hz 50 Hz
Current 2,86 A 9.5 A 3.6 A 11.5A 5,75 A
RPM 2840 rpm 2790 rpm 2850 rpm 2820 rpm 2810 rpm
Delivery 42 cbm/h 42 cbm/h 48 cbm/h 48 cbm/h 60 cbm/h
Delivery pressure 1.2 bar 1.2 bar 1.4 bar 1.4 bar 1.9 bar
Max. speed 2 m from the
nozzle
1.15 m/s 1.15 m/s 1.3 m/s 1.3 m/s 1.6 m/s
Max. water temperature 50 °C 50 °C 50 °C 50 °C 50 °C
Expected sound pressure
level
65 + 2 dB (A) 65 + 2 dB (A) 67 + 2 dB (A) 65 + 2 dB (A) 70 + 2 dB (A)
Weight 26 kg 26 kg 27kg 27kg 39 kg

OPERATOR‘S MANUAL
6NT2 rondo
Version:27211 - F
Schmalenberger GmbH + Co. KG
D-72072 Tübingen / Germany
3.2 Device Units
* The item numbers correspond to the numbers in the parts list.
fig. 1
Overview of the Counter-current Sy-
stem
The counter-current system consists
of:
1. Pump kit
2. Assembly kit
3. Installation kit
The installation kit is always different
depending on the pool type.
There are 4 kinds of pool:
- Concrete-tile pool
- Concrete-liner pool
- Pre-fabricated pool (steel, plastic
or similar)
- Wood-liner pool
fig. 2 fig. 3
I - Pump kit
The pump kit consists of:
1. Pump assembly Item 01*
2. Housing Item 10
3. Air line fixing bracket Item 56
4. Aerial Item A
5. Air hose Item 65
*The pump kit is always identical no matter what
sort of pool it is intended for.
II - Assembly kit
The assembly kit includes:
1. Face plate assembly Item 35
2. Mounting screws Item 90
8298
8299
8300

OPERATOR‘S MANUAL
7
NT2 rondo
Version: 27211 - F
Schmalenberger GmbH + Co. KG
D-72072 Tübingen / Germany
fig. 4 fig. 5
The installation kit (Item 20)* consists
of:
C Protection film
G Housing
I Polystyrene filler piece
The housing is concreted into the concre-
te wall of the pool. Details of this can be
found in section 4 of this manual.
III - Installation kit for pre-fabricated
pools
The installation kit (Item 67) consists of:
1. Clamp ring Item 30
2. Clamp gasket Item 39.2
3. Hold-ring Item 62
4. Nuts and washers Items 26/83
fig. 6
III - Installation kit for wood-liner pool
The installation kit (Item 35) consists of:
1. Clamp ring Item 30
2. Clamp gasket Item 39.2
3. Hold-ring Item 67
4. Hold-ring Item 68
5. Mounting screws Item 63
6. Nuts and washers Items 64/
64.1/84/85
8301 8302
8303

OPERATOR‘S MANUAL
8NT2 rondo
Version:27211 - F
Schmalenberger GmbH + Co. KG
D-72072 Tübingen / Germany
4 Installation Site Specifications / Installation
4.1 Planning the pump pit
When planning a pump pit take into account:
1. Clear dimensions min. 600 x 600 x 600
2. Return connection min. 300 mm under the pool water level.
3. Leakage water discharge pipe-end min. DN 40
4. Opening for cooling air min. 2x DN 125
5. Be sure to cover the pump pit if it is installed in the open air.
6. The position of the non-return air valve (L) must always be over the pool water level.
7. In case of leakage from the pump, a suitable water drainage must be provided!
Warning! Mortal danger!
If the motor is to be installed with a metal supporting foot, then it must be fa-
stened insulated against the floor to avoid the transfer of spurious voltages to
the device and swimming pool water.
Warning! Risk of damage!
As the pumps are not self-priming, the installation must be under water level.
Make sure you take this into account during the installation planning phase.
fig. 7: Cross-sectional view of the pump
pit
fig. 8: Top view of the pump pit
BWSP Pool water level (PWL) L Non-return air valve
Warning! Mortal danger!
The mains power supply cable must be equipped with an all-pole separator
with a contact opening of 3 mm.
min DN 40
min 600
300
BWSP L
2 x DN 125
min 600
8304 8305

OPERATOR‘S MANUAL
9
NT2 rondo
Version: 27211 - F
Schmalenberger GmbH + Co. KG
D-72072 Tübingen / Germany
4.2 Installation Preparations / Concrete pool
Tailor the installation kit:
Place the installation kit on the formwork board and transfer the bore holes. Bore the holes
into the pool-side formwork board (Pb).
Screw the installation kit complete with the mounting protection film (C) tightly to the pool-
side formwork board (Pb).
After removing the shuttering take off the polystyrene filling piece (A). Also remove the pro-
tection film (C).
4.3 Installation Preparations / Pre-fabricated pool
fig. 9 fig. 10
A Polystyrene filling piece
C Mounting protection film
P Pool-side formwork board
20 Installation kit
fig. 11: Boring diagram
Tailor the installation kit:
Apply the cavity Ø205 and the mounting
holes Ø9to the pool wall.
Warning! Risk of damage!
The hold-ring (Item 62) must be used as
a template.
For backfilling the pool ensure that there
is a cavity at least the size of the dotted
lines.
600
250
ca.105
BWSP
20
C
P
8306 8307
8308

OPERATOR‘S MANUAL
10 NT2 rondo
Version:27211 - F
Schmalenberger GmbH + Co. KG
D-72072 Tübingen / Germany
4.4 Installation Preparations / Wood-liner pool
4.5 Pump kit Installation / Concrete-tile pool
fig. 12: Boring diagram
Tailor the installation kit:
Apply the cavity Ø260 and the mounting
holes Ø12 to the pool wall.
Warning! Risk of damage!
The hold-ring (Item 68) must be used as
a template.
Take note of the asymmetrical position of
the holes!
fig. 13
G Outer housing
10 Housing
32 Clamp gasket
84 Nut
85 Distance washer
Mount the housing (10) with the clamp
gasket (32) and the nuts (84) and was-
hers (85) on the outer housing (G). The
sealing contact faces must be clean and
smooth.
8309
8310