Wilo Atmos TERA-SCH Series User manual

Pioneering for You
·
Wilo-Atmos TERA-SCH
6088794 • Ed.01/2020-10
en Installation and operating instructions nl Inbouw- en bedieningsvoorschriften

3
English ............................................................................................................... 4
Nederlands ........................................................................................................ 50

en
4 WILO SE 2020-10
Table of contents
1 General information ................................................................................................................................................................. 6
1.1 About these instructions ..................................................................................................................................................................................6
1.2 Copyright ............................................................................................................................................................................................................6
1.3 Subject to change..............................................................................................................................................................................................6
2 Safety......................................................................................................................................................................................... 6
2.1 Identification of safety instructions................................................................................................................................................................6
2.2 Personnel qualifications....................................................................................................................................................................................7
2.3 Electrical work ....................................................................................................................................................................................................7
2.4 Transport.............................................................................................................................................................................................................8
2.5 Installing/dismantling........................................................................................................................................................................................8
2.6 During operation ................................................................................................................................................................................................8
2.7 Maintenance tasks.............................................................................................................................................................................................9
2.8 Drive: IEC standard motor..............................................................................................................................................................................10
2.9 Operator responsibilities................................................................................................................................................................................ 10
3 Application/use....................................................................................................................................................................... 10
3.1 Intended use.................................................................................................................................................................................................... 10
3.2 Improper use.................................................................................................................................................................................................... 10
4 Product description................................................................................................................................................................ 10
4.1 Design............................................................................................................................................................................................................... 10
4.2 Operation with frequency converter............................................................................................................................................................ 11
4.3 Type key........................................................................................................................................................................................................... 11
4.4 Technical data .................................................................................................................................................................................................11
4.5 Connection Details ......................................................................................................................................................................................... 12
4.6 Rotating element ............................................................................................................................................................................................ 13
4.7 Scope of delivery............................................................................................................................................................................................. 14
4.8 Accessories ...................................................................................................................................................................................................... 14
4.9 Anticipated noise levels................................................................................................................................................................................. 14
4.10 Permissible forces and torques on the pump flanges................................................................................................................................ 15
5 Transport and storage............................................................................................................................................................ 16
5.1 Delivery............................................................................................................................................................................................................. 16
5.2 Transport.......................................................................................................................................................................................................... 16
5.3 Storage ............................................................................................................................................................................................................. 18
6 Installation and electrical connection .................................................................................................................................. 19
6.1 Personnel qualifications................................................................................................................................................................................. 19
6.2 Operator responsibilities................................................................................................................................................................................ 19
6.3 Preparing the installation............................................................................................................................................................................... 19
6.4 Setting up the pump by itself (variantB, Wilo variant key) ...................................................................................................................... 19
6.5 Installing the pump unit on a base ............................................................................................................................................................... 20
6.6 Pipework........................................................................................................................................................................................................... 21
6.7 Aligning the unit.............................................................................................................................................................................................. 23
6.8 Electrical connection...................................................................................................................................................................................... 27
6.9 Protective devices........................................................................................................................................................................................... 28
7 Commissioning........................................................................................................................................................................ 28
7.1 Personnel qualifications................................................................................................................................................................................. 29
7.2 Filling and venting........................................................................................................................................................................................... 29
7.3 Checking the direction of rotation...............................................................................................................................................................29
7.4 Switching on the pump..................................................................................................................................................................................30
7.5 Switching frequency....................................................................................................................................................................................... 31
8 Shutdown................................................................................................................................................................................. 31
8.1 Switching off the pump and temporary shutdown.................................................................................................................................... 31
8.2 Shutdown and storage ................................................................................................................................................................................... 31
9 Maintenance/repair ................................................................................................................................................................ 32

en
Installation and operating instructions Wilo-Atmos TERA-SCH 5
9.1 Personnel qualifications................................................................................................................................................................................. 32
9.2 Operation monitoring..................................................................................................................................................................................... 32
9.3 Maintenance tasks.......................................................................................................................................................................................... 33
9.4 Draining and cleaning..................................................................................................................................................................................... 33
9.5 Dismantling...................................................................................................................................................................................................... 34
9.6 Examination of internal components........................................................................................................................................................... 38
9.7 Installation ....................................................................................................................................................................................................... 39
10 Faults, causes and remedies .................................................................................................................................................. 42
10.1 Faults ................................................................................................................................................................................................................ 42
10.2 Causes and remedies......................................................................................................................................................................................43
11 Spare parts............................................................................................................................................................................... 44
12 Disposal.................................................................................................................................................................................... 46
12.1 Oils and lubricants........................................................................................................................................................................................... 46
12.2 Water-glycol mixture..................................................................................................................................................................................... 47
12.3 Protective clothing .........................................................................................................................................................................................47
12.4 Information on the collection of used electrical and electronic products.............................................................................................. 47
13 Appendix.................................................................................................................................................................................. 47
13.1 Examples for typical installation layouts..................................................................................................................................................... 48
13.2 Examples for proper and inappropriate pipework...................................................................................................................................... 49

en General information
6 WILO SE 2020-10
1 General information
1.1 About these instructions These installation and operating instructions are an integral part of the device. Read
these instructions before commencing work and keep them in an accessible place at all
times. Strict adherence to these instructions is a requirement for intended use and cor-
rectly operating the device. All specifications and markings on the device must be ob-
served. These installation and operating instructions correspond to the relevant version
of the device and the underlying safety standards that apply at the time of going to
print.
The language of the original operating instructions is English. All other languages of
these instructions are translations of the original operating instructions.
1.2 Copyright These installation and operating instructions have been copyrighted by the manufac-
turer. The contents, of whatever type, may not be reproduced or distributed, or used for
purposes of competition and shared with others.
1.3 Subject to change The manufacturer reserves the right to make technical modifications to the device or
individual components. The illustrations used may differ from the original and are in-
tended as an example representation of the device.
2 Safety This chapter contains basic information for the individual phases of the life cycle. Fail-
ure to observe this information carries the following risks:
ƒInjury to persons from electrical, mechanical and bacteriological factors as well as
electromagnetic fields
ƒEnvironmental damage from discharge of hazardous substances
ƒProperty damage
ƒFailure of important functions of the product
Failure to observe the information contained herein will result in the loss of claims for
damages.
The instructions and safety instructions in the other chapters must also be ob-
served!
2.1 Identification of safety instruc-
tions These installation and operating instructions set out safety instructions for preventing
personal injury and damage to property. These safety instructions are shown differ-
ently:
ƒSafety instructions relating to personal injury start with a signal word, are preceded
by a corresponding symbol and are shaded in grey.
DANGER
Type and source of the danger!
Consequences of the danger and instructions for avoidance.
ƒSafety instructions relating to property damage start with a signal word and are dis-
played without a symbol.
CAUTION
Type and source of the danger!
Consequences or information.
Signal words
ƒDANGER!
Failure to observe the safety instructions will result in serious injuries or death!
ƒWARNING!
Failure to follow the instructions can lead to (serious) injuries!
ƒCAUTION!
Failure to follow the instructions can lead to property damage and a possible total
loss.
ƒNOTICE!
Useful information on handling the product

Safety en
Installation and operating instructions Wilo-Atmos TERA-SCH 7
Symbols
These instructions use the following symbols:
Danger – high voltage
General warning symbol
Warning – danger of crushing
Warning – risk of cutting injuries
Warning – hot surfaces
Warning – high pressure
Warning – suspended loads
Personal protective equipment: wear a safety helmet
Personal protective equipment: wear foot protection
Personal protective equipment: wear hand protection
Personal protective equipment: wear mouth protection
Personal protective equipment: wear safety goggles
Useful information
2.2 Personnel qualifications Personnel must:
ƒBe instructed about locally applicable regulations governing accident prevention.
ƒHave read and understood the installation and operating instructions.
Personnel must have the following qualifications:
ƒElectrical work: A qualified electrician must carry out the electrical work.
ƒInstallation/dismantling must be carried out by a qualified technician who is trained
in the use of the necessary tools and fixation materials.
Definition of “qualified electrician”
A qualified electrician is a person with appropriate technical education, knowledge and
experience who can identify and prevent electrical hazards.
2.3 Electrical work ƒElectrical work must be carried out by a qualified electrician.
ƒWhen connecting to the mains, comply with the locally applicable laws and regula-
tions of the local energy supply company.

en Safety
8 WILO SE 2020-10
ƒBefore commencing work, disconnect the device from the mains and secure it
against being switched on again without authorisation.
ƒTrain personnel on how to make the electrical connection as well as on the methods
for switching off the device.
ƒObserve the technical information in these installation and operating instructions as
well as on the rating plate.
ƒEarth the device.
ƒObserve the manufacturer’s specifications when connecting to electrical switching
systems.
ƒComply with the specifications on electro-magnetic compatibility when using elec-
tronic start-up controllers (e.g. soft starter or frequency converter). If required, take
into account special measures (shielded cables, filters, etc.).
ƒReplace defective connection cables. Contact customer service.
2.4 Transport ƒWear protective equipment:
–Safety gloves for protection against cuts
–Safety shoes
–Sealed safety goggles
–Safety helmet (when using lifting equipment)
ƒOnly use legally specified and approved lifting gear.
ƒSelect lifting gear based on the available conditions (weather, attachment point,
load, etc.).
ƒAlways attach the lifting gear to the designated attachment points (lifting eyes).
ƒPosition the lifting equipment in a way that ensures stability during use.
ƒWhen using lifting equipment, a second person must be present to coordinate the
procedure if required (e.g. if the operator’s field of vision is blocked).
ƒPersons must not stand underneath suspended loads. Do not move suspended loads
over workplaces where people are present.
Please note the following information during transport and prior to installation:
ƒDo not reach into suction ports, discharge ports or other openings.
ƒAvoid the penetration of foreign objects. To this end, leave the protective covers or
packaging on until they have to be removed for installation.
ƒPackaging and covers may be removed from suction or outlet openings for inspec-
tion purposes. They must be put back on afterwards to protect the pump and ensure
safety.
2.5 Installing/dismantling ƒWear the following protective equipment:
–Safety shoes
–Safety gloves for protection against cuts
–Safety helmet (when using lifting equipment)
ƒComply with laws and regulations on work safety and accident prevention in force at
the site of installation.
ƒThe procedure described in the installation and operating instructions for shutting
down the product/unit must be strictly observed.
ƒDisconnect the device from the mains and secure it against being switched on again
without authorisation.
ƒAll rotating parts must be at a standstill.
ƒClose the isolating valve in the inlet and in the pressure pipe.
ƒProvide adequate aeration in enclosed spaces.
ƒClean the device thoroughly. Disinfect devices that use fluids hazardous to health!
ƒMake sure that there is no risk of explosion when carrying out any type of welding
work or work with electrical devices.
2.6 During operation ƒWear protective equipment:
–Safety shoes
–Safety helmet (when using lifting equipment)
ƒThe work area in which the device is used is not a recreational area. No persons are
allowed in the work area during operation.
ƒThe operator must report any faults or irregularities to a line manager immediately.
ƒIf hazardous defects occur, the operator must immediately deactivate the device.
Hazardous defects include:
–Malfunction of safety and monitoring devices
–Damage to housing parts
–Damage to electrical equipment
ƒOpen all isolating valves in the piping on the suction and pressure side.

Safety en
Installation and operating instructions Wilo-Atmos TERA-SCH 9
ƒOnly carry out the maintenance tasks described in these installation and operating
instructions.
ƒOnly genuine spare parts from the manufacturer may be used for repairs, replace-
ments, add-ons and modifications. Use of parts other than original parts releases the
manufacturer from any liability.
ƒCollect any leakage of fluids and operating fluids immediately and dispose of it ac-
cording to the locally applicable guidelines.
ƒTools and other objects should only be kept in their designated places.
Thermal hazards
Most drive surfaces can become hot during operation.
The surfaces in question also remain hot after switching off the unit. These surfaces
may only be touched with extreme caution. Wear protective gloves if it is essential to
touch hot surfaces.
Make sure that the drained water is not too hot for more intensive contact with skin.
Introduce appropriate equipment to protect components that may become hot against
accidental contact.
Hazard due to articles of clothing or other objects being caught
To avoid the dangers presented by the rotating parts of the device:
ƒDo not wear loose or frayed clothing or jewellery.
ƒDo not dismantle devices for protecting against accidental contact with moving
parts (e.g. coupling guard).
ƒOnly put the device into operation once this protection is in place.
ƒThe devices for protecting against accidental contact with moving parts may only be
removed when the system is at a standstill.
Hazards due to noise
Observe the sound pressure specifications on the motor rating plate. The sound pres-
sure value of the pump is generally about the same value as that of the motor +2dB(A).
Observe the applicable health and safety regulations. If the device is operated under
normal operating conditions, the operator must measure the sound pressure.
Sound pressure levels of 80dB(A) and above must be noted in the work regulations!
The operator must also introduce the following preventative measures:
ƒInform the operating personnel
ƒProvide hearing protection
For a sound pressure level of 85dB(A) and above, the operator must:
ƒMake it a mandatory requirement to wear hearing protection
ƒDemarcate the noisy areas.
ƒTake measures to reduce noise (e.g. insulation, noise barriers)
Leakages
Observe local standards and regulations. Avoid pump leakages to protect persons and
the environment against hazardous (explosive, toxic or hot) substances.
Ensure that a dry run of the pump is not possible. A dry run can damage the shaft seal
and thereby cause leakages.
2.7 Maintenance tasks ƒWear the following protective equipment:
–Sealed safety goggles
–Safety shoes
–Safety gloves for protection against cuts
ƒOnly carry out the maintenance tasks described in these installation and operating
instructions.
ƒOnly original parts from the manufacturer may be used for maintenance and repairs.
Use of parts other than original parts releases the manufacturer from any liability.
ƒCollect any leakage of fluid and operating fluid immediately and dispose of it ac-
cording to the locally applicable guidelines.
ƒStore tools at the designated locations.
ƒAfter completing work, reattach all safety and monitoring devices and check that
they function properly.

en Application/use
10 WILO SE 2020-10
2.8 Drive: IEC standard motor The hydraulics can be coupled with standard IEC B3 motors. To select a motor, see the
technical data for the needed performance data (for example size, construction, hy-
draulic rated power, speed).
2.9 Operator responsibilities The operator must:
ƒProvide the installation and operating instructions in a language which the personnel
can understand.
ƒMake sure that personnel are suitably trained for the specified work.
ƒEnsure that safety and information signs mounted on the device are always legible.
ƒTrain personnel with regard to the operating principles of the system.
ƒEliminate any risk from electrical current.
ƒEquip hazardous components (extremely cold, extremely hot, rotating, etc.) with an
on-site guard.
ƒDemarcate and cordon off the hazardous area.
ƒDefine personnel responsibilities to ensure safe working practice.
Children and persons younger than 16years or with reduced physical, sensory or mental
capacities or limited experience are prohibited from handling the device! Persons under
the age of 18 must be supervised by a technician.
3 Application/use
3.1 Intended use The Wilo-Atmos TERA-SCH pumps may only be used for:
ƒRaw water intake
ƒPressure boosting and general transport in power plants, waterworks and municipal
drinking water supply networks
ƒSupply of cooling water in power plants and industrial facilities
ƒWater supply in professional irrigation/agriculture
ƒPumping of heating water (in accordance with VDI 2035 Germany) and water glycol
mixtures
The pumps are only approved for the fluids specified in the “Technical data” section.
Refer pump data sheet and order confirmation. For any change in pumped fluid refer
Wilo beforehand.
Intended use also includes compliance with this manual. Any other use is regarded as
non-compliant with the intended use.
3.2 Improper use WARNING!Misuse of the pump can lead to dangerous situations and damage.
ƒNever use with fluids that are not approved by the manufacturer.
ƒNon-permitted substances in the fluid can destroy the pump. Abrasive solids (for
example, sand) increase pump wear.
ƒKeep highly flammable materials/fluids at a safe distance from the device.
ƒNever allow unauthorised persons to carry out work.
ƒNever operate the pump beyond the specified limits of use.
ƒNever carry out unauthorised conversions.
ƒUse authorised accessories and genuine spare parts only.
Typical installation locations are technical rooms within residential or industrial building
with other technical installations. The pump is not intended for direct installation in
rooms for other use, like living and working rooms!
Outdoor installation requires a corresponding, special version (motor with anti-con-
densation heater) and protection against:
ƒrain falls
ƒtemperatures above 40°C
ƒforeign particles like sand
4 Product description
4.1 Design The Wilo-Atmos TERA-SCH pump is an axially split case pump mounted on a base
frame for horizontal installation. The pump is designed for in-line connection to the
piping. Regarding customer specifications, the motor can be fitted on the left or right
side of the pump (clockwise or anti-clockwise operation).
Suitable Wilo control devices (for example, Comfort control system, CC-HVAC) can
control the power of the pumps continuously.

Product description en
Installation and operating instructions Wilo-Atmos TERA-SCH 11
Wilo control devices allow
ƒOptimisation of the pump output for the demands of the installation
ƒParticularly economically efficient pump operation
4.1.1 Hydraulics The pump consists of axially divided spiral housing (with replaceable wear rings) and
cast-on pump support feet. The impeller is a double suction closed radial impeller. The
high head hydraulic presents a double volute design to minimise the radial forces on the
shaft assembly. The pump shaft bearings are greased for life lubricated radial ball bear-
ings.
4.1.2 Motor The system is driven by IEC standard motors in a three-phase current version.
NOTICE
Use a heat-resistant mains connecting cable in systems where fluid temperatures
exceed 90°C!
4.1.3 Seal The fluid pump is sealed via mechanical seals in accordance with EN12756 or by stuff-
ing box packings.
4.2 Operation with frequency con-
verter Operation on the frequency converter is permitted. Refer to the documentation from
the motor manufacturer for the relevant requirements and observe its contents.
4.3 Type key Example: Wilo-Atmos TERA-SCH 250/360-75/4-L1
Atmos Product family
TERA Series
SCH Construction (splitcase pump, horizontal)
250 Nominal diameter DN of pressure port
360 Nominal diameter of the impeller in mm
75 Rated motor power P2 in kW
4Number of poles
L1 Material configuration : Bronze impeller
4.4 Technical data General
Date of manufacture [MFY] See rating plate
Mains connection [U/f] See motor rating plate
Power consumption [P1]See motor rating plate
Rated power [P2]See motor rating plate
Rated speed [n] See rating plate
Max. delivery head [H] See rating plate
Max. volume flow [Q] See rating plate
Permissible fluid temperature [t] -20°C to +100°C
Permissible ambient temperature
[t]
+40°C
Permissible operating pressure
[Pmax]
10/16bar (depending on type)
Flanges PN16 in accordance withEN1092-2
Permissible fluids
– Heating water in accordance with VDI2035
– Cooling/cold water
– Water-glycol mixture up to 40% vol.
– Raw water
Protection class IP55

en Product description
12 WILO SE 2020-10
Insulation class [Cl.] F
Motor protection See manufacturer’s documentation
Special version or with auxiliary equipment (at additional charge)
Permissible fluids
– Heating water according to VDI2035 Cooling/
cold water
– Water-glycol mixture up to 40% vol.
Special voltages/frequencies Pumps with motors with different voltages or
other frequencies are available on request
Additional information CH
Approved fluids for heating
pumps
– Heating water (in accordance with VDI2035/
VdTÜV Tch 1466/CH: in accordance with
SWKIBT102-01)
– No oxygen binding agents, no chemical sealant.
– Ensure enclosed system from corrosion per-
spective. In accordance with VDI2035 (CH:
SWKIBT102-01); fix leaky spots.
4.5 Connection Details
*'*''LVFKDUJH3*&''Q[&*&'63*7*9*30$&6XFWLRQ
Fig.1: Additional connections on the housing
Connection Details
No.Pump CG PG PM AC CDS CDD GD VG TG
1SCH 150-555 18 3/8 3/4 – 1/2 1/2 1/4 M8 M8
2SCH 150-230 26 3/8 1 3/8 3/4 3/4 3/4 M8 M8
3SSCH 200-320 24 3/8 3/4 3/8 3/4 3/4 3/4 M8 M8
4SCH 200-500 26 3/8 1 3/8 3/4 3/4 3/4 M8 M8
5SSCH 250-360 21 3/8 1 3/8 1 1 3/4 M8 M8
6SCH 250-380 28 3/8 1 3/8 1 1 1 M8 M8
7SCH 250-470 28 3/8 1 3/8 1 1 1 M8 M8
8SCH 300-430 28 3/8 1 3/8 1 1 1 M8 M8
9SSCH 350-500 28 3/8 1 3/8 3/4 3/4 1 M8 M8
10 SSCH 400-490 32 3/8 1 3/8 1 1 3/4 M8 M8
11 SSCH 400-550 32 3/8 1 3/8 1 1 3/4 M8 M8
CG: Compound Ground; PG: Pressure Gauge; PM: Priming; AC: Air Cock; CDS: Casing
Drain (Suction);
CDD: Casing Drain (Delivery); CD: Casing Drain; GD: Gland Drain; VG: Vibration Gauge;
TG: Temperature Gauge
Table1: Connection Details

Product description en
Installation and operating instructions Wilo-Atmos TERA-SCH 13
4.6 Rotating element
2 3 4 5 6 36 37 38 39 38 34 35 25 27 14 24 21 27 25 3435 38 39 38 37 36 6 30 4 3 31 32 33
Fig.2: Rotating element of gland pack version
No. Part description No. Part description No. Part description
2Bearing housing (Drive end) 38 Gland packing 24 Shaft
3Bearing 39 Logging ring 21 Impeller
4Supporting ring 34 Sleeve 30 Bearing cover (Non-Drive End)
5Bearing cover (Drive end) 35 O-ring for sleeve 31 Lock washer
6Water thrower 25 Wear ring 32 Lock nut
36 Sleeve nut 27 Dowel pin for wear ring 33 Bearing housing (Non-Drive End)
37 Gland cover 14 Impeller key
Table2: Rotating element of gland pack version
2 3 4 5 6 7 8 9 10 26 26 25 24 14 27 21 27 25 26 26 10 9 8 7 6 30 4 3 31 32 33
Fig.3: Rotating element of mechanical seal version without sleeves
No. Part description No. Part description No. Part description
2Bearing housing (Drive end) 9 Logging ring 21 Impeller
3Bearing 10 Abutment ring 30 Bearing cover (Non-Drive End)
4Supporting ring 26 Impeller nut 31 Lock washer
5Bearing cover (Drive end) 25 Wear ring 32 Lock nut
6Water thrower 24 Shaft 33 Bearing housing (Non-Drive End)
7Mechanical seal cover 14 Impeller key
8O-ring 27 Dowel pin for wear ring
Table3: Rotating element of mechanical seal version without sleeves

en Product description
14 WILO SE 2020-10
27 14 21 24 25 35 27 34 10 9 8 7 36 6 30 4 3 31 32 33253534109873665432
Fig.4: Rotating element of mechanical seal version with sleeves
No. Part description No. Part description No. Part description
2Bearing housing (Drive end) 8 O-ring 14 Impeller key
3Bearing 9 Logging ring 21 Impeller
4Supporting ring 10 Abutment ring 24 Shaft
5Bearing cover (Drive end) 34 Sleeve 30 Bearing cover (Non-Drive End)
6Water thrower 35 O-ring for sleeve 31 Lock washer
36 Sleeve nut 25 Wear ring 32 Lock nut
7Mechanical seal cover 27 Dowel pin for wear ring 33 Bearing housing (Non-Drive End)
Table4: Rotating element of mechanical seal version with sleeves
4.7 Scope of delivery Complete unit
ƒAtmos TERA-SCH pump
ƒBase frame
ƒCoupling and coupling guard
ƒWith or without electric motor
ƒInstallation and operating instructions
Pump by itself:
ƒAtmos TERA-SCH pump
ƒBearing bracket without base frame
ƒInstallation and operating instructions
4.8 Accessories Accessories have to be ordered separately. For a detailed list, consult the catalogue and
spare parts documentation.
4.9 Anticipated noise levels
Pump unit with three-phase motor, 50Hz
without speed control
Motor power PN [kW] Measuring surface sound-pressure level Lp, A [dB(A)] 1)
2-pole
(2900rpm)
4-pole (
1450rpm)
6-pole
(980rpm)
0.75 62 47 48
1.1 62 52 48
1.5 65 52 47
2.2 65 56 51
370 56 55
467 59 55
5.5 70 59 55
7.5 70 59 59
9.2 70 59 59
11 70 64 59
15 70 64 59

Product description en
Installation and operating instructions Wilo-Atmos TERA-SCH 15
Motor power PN [kW] Measuring surface sound-pressure level Lp, A [dB(A)] 1)
2-pole
(2900rpm)
4-pole (
1450rpm)
6-pole
(980rpm)
18.5 70 64 63
22 70 64 63
30 72 66 64
37 72 66 64
45 77 66 68
55 77 67 68
75 80 72 70
90 80 72 70
110 80 74 70
132 80 74 70
160 80 74 76
185 80 74 76
200 81 76 76
220 81 76 76
250 81 76 76
280 83 77 76
315 83 77 76
355 83 77 78
400 81 77 78
450 81 77 81
500 81 77 81
560 81 77 81
630 81 77 81
710 - 77 8/1
800 - 77 81
900 - 77 81
1000 - 77 -
1) Spatial mean value of sound-pressure levels within a cube-shaped measuring area at
a distance of 1m from the surface of the motor
Table5: Anticipated noise levels for standard pump (50Hz)
4.10 Permissible forces and torques on
the pump flanges
Fig.5: Permissible forces and torques on the
pump flanges–pump made of grey cast iron
DN Forces F [N] Torques M [Nm]
FXFYFZΣ Forces F MXMYMZΣ Torques M
Each nozzle
100 1200 1340 1080 2100 525 375 435 780
125 1420 1580 1280 2480 630 450 570 915
150 1800 2000 1620 3140 750 525 615 1095
200 2400 2680 2160 4180 975 690 795 1440
250 2980 3340 2700 5220 1335 945 1095 1965
300 3580 4000 3220 6260 1815 1290 1485 2670
250 4180 4660 3760 7300 2325 1650 1905 3420
400 4780 5320 4300 8340 2910 2070 2385 4290
450 5380 5980 4840 9380 3585 2550 2940 5280

en Transport and storage
16 WILO SE 2020-10
DN Forces F [N] Torques M [Nm]
FXFYFZΣ Forces F MXMYMZΣ Torques M
500 5980 6640 5380 10420 4335 3075 3540 6390
550 6580 7300 5920 11460 5130 3660 4215 7590
600 7180 7960 6460 12500 6060 4320 4980 8970
Values in acc. with ISO/DIN5199–class II (2002)–AppendixB, Family no. 1A.
Table6: Permissible forces and torques on the pump flanges
If not all working loads reach the maximum permitted values, one of these loads may
exceed the normal limit value. This is under the condition that the following additional
conditions are fulfilled:
ƒAll force and torque components are limited to 1.4times the maximum permitted
value.
ƒThe forces and torques acting on each flange meet the requirements of the com-
pensation equation.
Fig.6: Compensation equation
Σ Feffective and Σ Meffective are the arithmetic sums of the effective values of both pump
flanges (inlet and outlet). Σ Fmax. permitted and Σ Mmax. permitted are the arithmetic sums of the
maximum permitted values of both pump flanges (inlet and outlet). The algebraic signs
of Σ F and Σ M are not taken into consideration in the compensation equation.
5 Transport and storage
5.1 Delivery The pump is secured to a pallet ex works and is protected against dirt and moisture.
Check the shipment immediately on receipt for defects (damage, completeness). De-
fects must be noted on the freight documentation. Any defects must be notified to the
transport company or the manufacturer immediately on the day of receipt of shipment.
Subsequently notified defects can no longer be asserted.
5.2 Transport
DANGER
Risk of fatal injury due to suspended loads!
Never allow anyone to stand under suspended loads! Danger of (serious) injuries
caused by falling parts. Loads may not be carried over work places where people are
present!
The safety zone must be marked so that there is no danger when the load (or part of
it) slips away or if the lifting device snaps or is ripped off.
Loads must never be suspended for longer than necessary.
Accelerations and braking during the lifting operation must be performed in a way
that rules out any danger to people.
WARNING
Hand and foot injuries due to lack of protective equipment!
Danger of (serious) injuries during work. Wear the following protective equipment:
• Safety shoes
• Safety gloves for protection against cuts
• Sealed safety goggles
• Safety helmet must be worn if lifting equipment is used!

Transport and storage en
Installation and operating instructions Wilo-Atmos TERA-SCH 17
NOTICE
Use only properly functioning lifting equipment!
Use only properly functioning lifting equipment to lift and lower the pump. Ensure
that the pump does not become jammed during lifting and lowering. Do not exceed
the maximum bearing capacity of the lifting equipment! Check that lifting equip-
ment is functioning properly before use!
CAUTION
Property damage due to incorrect transport
To ensure proper alignment, all equipment is pre-assembled. If dropped or if im-
properly handled, there is a risk of misalignment or deficient performance due to de-
formations. The pipes and valves will not withstand loads and should not be used to
secure loads in transit.
• Only use permitted lifting gear for transport. Ensure the stability of the load since,
with this particular pump design, the centre of gravity is shifted to the top (top-
heavy).
•Never attach lifting gear to shafts in order to lift the unit.
• Do not use the transport lugs on the pump or motor to lift the entire unit. They are
only meant for transporting the individual components during installation or dis-
mantling.
Only remove the outer packaging at the place of utilisation to ensure that the pump is
not damaged during transport.
CAUTION
Risk of damage due to incorrect packaging.
If the pump is transported again at a later date, it must be packaged so that it cannot
be damaged during transport. Use the original packaging for this, or choose equival-
ent packaging.
5.2.1 Attaching the pump
CAUTION
Incorrect lifting can damage the pump! Risk of falling!
Never lift the pump with slings engaged below the bearing housing. The eye bolts on
the pump top housing are only for lifting top housing during maintenance. Do not lift
complete pump with the eye bolts. Safe working load of wire ropes reduces with in-
crease in included angle. Never put down or pick up the product when it is not se-
cured.
Fig.7: Do not lift at housing eye bolts
ƒComply with applicable national safety regulations.
ƒUse legally specified and approved lifting gear.
ƒSelect the lifting gear based on the prevailing conditions (weather, attachment
point, load...).
ƒNever feed the lifting gear over or through transport lugs without protection.
ƒNever feed the lifting gear over sharp edges without protection.
ƒUse lifting equipment with sufficient bearing capacity.
ƒThe stability of the lifting equipment must be ensured during operation.
ƒTo lift the bare shaft pump, pass the lifting slings beneath the hydraulic housing at
suction and discharge flanges (see lifting drawing).
ƒIf chains are used, they must be secured against slipping along with protective cover
to prevent damage to the product, paint and/or injury to personnel!
ƒWhen using hoisting gears, ensure that a second person is present to coordinate the
procedure if necessary. For example, if the operator's field of vision is blocked.
ƒWhen lifting, make sure that the load limit of the lifting gear is reduced when pulling
at an angle. The safety and efficiency of the lifting gear is best guaranteed when all

en Transport and storage
18 WILO SE 2020-10
Fig.8: Attaching the pump
load-bearing elements are loaded vertically. If necessary, use a lifting arm, to which
the lifting gear can be vertically attached.
ƒEnsure that the load is lifted vertically!
ƒPrevent the suspended load from swinging!
5.2.2 Attaching the unit
Fig.9: Attaching the unit
ƒComply with applicable national safety regulations.
ƒUse legally specified and approved lifting gear.
ƒSelect the lifting gear based on the prevailing conditions (weather, attachment
point, load...).
ƒOnly attach the lifting gear to the attachment point. Fix in place with a shackle.
ƒNever feed the lifting gear over or through transport lugs without protection.
ƒNever feed the lifting gear over sharp edges without protection.
ƒUse lifting equipment with sufficient bearing capacity.
ƒThe stability of the lifting equipment must be ensured during operation.
ƒWhen using hoisting gears, ensure that a second person is present to coordinate the
procedure if necessary. For example, if the operator's field of vision is blocked.
ƒThe safety and efficiency of the lifting gear is best guaranteed when all load-bearing
elements are loaded vertically. If necessary, use a lifting arm, to which the lifting
gear can be vertically attached.
ƒEnsure that the load is lifted vertically!
ƒPrevent the suspended load from swinging!
5.3 Storage
NOTICE
Improper storage can lead to damage to the equipment.
Damage caused by improper storage is not covered by the guarantee or warranty.
ƒRequirements at the storage location:
–dry
–clean
–well-ventilated
–free from vibrations
–free from humidity
–free from rapid or extreme changes in temperature
ƒStore the product somewhere safe against mechanical damage.
ƒProtect the bearings and couplings from sand, gravel and other foreign objects.
ƒLubricate the unit to prevent rust and bearing seizing.
ƒManually rotate the drive shaft several times once a week.

Installation and electrical connection en
Installation and operating instructions Wilo-Atmos TERA-SCH 19
Storage for more than three months
Additional precautionary measures:
ƒAll rotating parts must be coated with a suitable protective medium to protect them
from rust.
ƒIf the pump is to be stored for more than a year, consult the manufacturer.
6 Installation and electrical con-
nection
6.1 Personnel qualifications ƒElectrical work: A qualified electrician must carry out the electrical work.
6.2 Operator responsibilities ƒObserve locally applicable accident prevention and safety regulations of professional
and trade associations.
ƒObserve all regulations for working with heavy loads and under suspended loads.
ƒProvide protective equipment and ensure that the protective equipment is worn by
personnel.
ƒAvoid pressure surges!
Pressure surges can occur in long pressure pipes. These pressure surges can lead to
the destruction of the pump!
ƒStructural components and foundations must be of sufficient stability in order to al-
low the device to be fixed in a secure and functional manner. The operator is re-
sponsible for the provision and suitability of the building/foundation!
ƒCheck that the available consulting documents (installation plans, design of the op-
erating space, inflow conditions) are complete and correct.
6.3 Preparing the installation
WARNING
Risk of personal injury and property damage due to improper handling!
• Never set up the pump unit on unfortified surfaces or surfaces that cannot bear
loads.
• The pump should only be installed after completion of all welding and soldering
work.
• Flush the pipe system if required. Dirt can cause the pump to fail.
ƒThe pumps (in the standard version) must be protected from the weather and in-
stalled in a frost/dust-free, well-ventilated environment that is not potentially ex-
plosive.
ƒMount the pump in a readily accessible place. This makes it easier to complete in-
spections, maintenance (e.g. mechanical seal change) or replacement in the future.
ƒA travelling crane or a device for attaching hoisting gear should be installed above
the set-up site of large pumps.
6.4 Setting up the pump by itself
(variantB, Wilo variant key) When installing a pump by itself, the required coupling guard and base frame of the
pump manufacturer should be used. In any case, all components must meet the CEreg-
ulations. The coupling guard must be compatible with EN953.
6.4.1 Selecting the motor Select a motor with sufficient power.
Shaft power <4kW 4kW <P2
<10kW
10kW <P2
<40kW
40kW <P2
Required addi-
tional power to
determine mo-
tor rating value
P2
25% 20% 15% 10%
Table7: Motor/shaft power
Example:
ƒDuty point water: Q=100m3/h; H=35m
ƒEfficiency: 78%
ƒHydraulic power: 12.5kW

en Installation and electrical connection
20 WILO SE 2020-10
The required motor power for this duty point lies at 12.5kWx1.15=14.3kW. A motor
rated with a P2 of 15kW would be the correct choice.
Wilo recommends using a B3motor (IM1001) with base installation, which is compatible
with IEC34-1.
6.4.2 Selecting the coupling ƒTo establish the connection between the pump with bearing bracket and motor, use
a flexible coupling.
ƒSelect the coupling size according to the recommendations of the coupling manu-
facturer.
ƒFollow the instructions of the coupling manufacturer.
ƒAfter installation on the base and connecting the pipes, check the coupling align-
ment and correct it if necessary. The procedure is described in the chapter “Coupling
alignment”.
ƒAfter reaching the operating temperature, the coupling alignment must be checked
again.
ƒAvoid accidental contact during operation. The coupling must be protected in ac-
cordance with EN953.
6.5 Installing the pump unit on a base
CAUTION
Danger of property and material damage!
A missing foundation or incorrect installation of the unit on the base can lead to a
malfunction of the pump. Incorrect installation is not covered by the warranty.
• Only have the pump unit installed by qualified personnel.
• A professional from the concrete sector must be hired for all base work.
6.5.1 Base
Fig.10: Installing the unit on a base
The base must be able to support the unit installed on the base frame indefinitely. The
base must be level to ensure there is no tension on the base frame or unit. Wilo recom-
mends using premium, non-shrink concrete of an adequate thickness for manufactur-
ing. This would prevent vibrations from being transmitted.
The base must be able to accommodate the forces, vibrations and impact that occur.
Guidance values for dimensioning the base:
ƒApprox. 1.5to 2x heavier than the unit.
ƒThe width and length should each be about 200mm greater than the base frame.
The base frame must not be strained or pulled down on the surface of the base. It must
be supported so that the original alignment is not changed.
Prepare drilled holes for the anchor bolts. Position pipe sleeves vertically in the base at
the corresponding points. Diameter of the pipe sleeves: Around 2½x the diameter of
the screws. This allows the screws to be moved in order to achieve their final positions.
Wilo recommends initially pouring the base up to about 25mm below the planned
height. The surface of the concrete base must be well contoured before curing. Remove
the pipe sleeves after the concrete cures.
When the base frame is poured out, insert steel rods vertically into the base at regular
intervals. The required number of steel rods is dependent on the size of the base frame.
The rods must project into the base frame by up to 2/3.
6.5.2 Preparing the base frame for an-
choring
Fig.11: Shims on the base surface
ƒThoroughly clean the base surface.
ƒPlace shims (approx. 20–25mm thick) on every screw hole on the base surface.
Alternatively, levelling screws can also be used.
ƒFor a length spacing of the fixation bores ≥800mm, shims should be additionally
placed in the middle of the base frame.
ƒApply the base frame and level in both directions with additional shims.
ƒAlign the unit when installing on the base using a spirit level (at the shaft/pressure
port).
The base frame must be horizontal; tolerance: 0.5mm per metre.
ƒFit anchor bolts in the provided drilled holes.