Speck Normblock Multi 65/250 User manual

Operation manual
Normblock Multi
Block Multi
65/250, 100/250, & 125/250
VW61.21.030

2 EN 04/2019
8125 Bayberry Rd
Jacksonville, FL. 32256 USA
Phone: [phone]
Fax: [phone]
[email protected]
www.speck-pumps.com
All rights reserved.
Contents may not be distributed, duplicated, edited or
transferred to third parties without the written
permission of SPECK Pumps.
This document and all attached documents are not
subject to update service!
Subject to technicalmodifications!

Table of contents
04/2019 EN 3
Table of contents
1About this document....................................................................... 7
1.1 Using this manual...................................................................... 7
1.2 Target group.............................................................................. 7
1.3 Other applicable documents...................................................... 7
1.3.1 Symbols and means of representation .................................. 7
2Safety................................................................................................ 9
2.1 Intended use ............................................................................. 9
2.1.1 Possible misuse .................................................................... 9
2.2 Personnel qualification .............................................................. 9
2.3 Safety regulations ................................................................... 10
2.4 Protective equipment .............................................................. 10
2.5 Structural modifications and spare parts ................................. 10
2.6 Signs....................................................................................... 10
2.7 Residual risk............................................................................ 10
2.7.1 Falling parts......................................................................... 10
2.7.2 Rotating parts...................................................................... 11
2.7.3 Stability ............................................................................... 11
2.7.4 Electrical energy.................................................................. 11
2.7.5 Hot surfaces........................................................................ 11
2.7.6 Hazardous materials ........................................................... 11
2.7.7 Suction danger .................................................................... 11
2.8 Faults ...................................................................................... 12
2.9 Preventing material damage ................................................... 12
2.9.1 Leakage and pipe breakage................................................ 12
2.9.2 Dry running.......................................................................... 12
2.9.3 Cavitation ............................................................................ 12
2.9.4 Overheating......................................................................... 13
2.9.5 Pressure surges .................................................................. 13
2.9.6 Blockages in the pump........................................................ 13
2.9.7 Drainage.............................................................................. 13
2.9.8 Risk of frost ......................................................................... 13
2.9.9 Water temperature .............................................................. 13
2.9.10 Deformation of the pump................................................. 14
2.9.11 Safe use of the product ................................................... 14

Table of contents
4 EN 04/2019
3Description..................................................................................... 15
3.1 Function .................................................................................. 15
3.2 Designation ............................................................................. 16
3.3 Name plate.............................................................................. 16
3.4 Design..................................................................................... 16
3.4.1 Normblock Multi................................................................... 16
3.4.2 BADU Block Multi................................................................ 16
4Transport and intermediate storage............................................. 17
4.1 Transport................................................................................. 17
4.1.1 Transporting the pump without the motor ............................ 17
4.2 Lifting the pump....................................................................... 17
4.3 Storage ................................................................................... 19
4.4 Returns ................................................................................... 20
5Installation...................................................................................... 21
5.1 Installation site ........................................................................ 21
5.1.1 Installation surface .............................................................. 21
5.1.2 There must be ground drainage .......................................... 21
5.1.3 Ventilation and aeration....................................................... 21
5.1.4 Structure-borne and airborne noise transmission ................ 21
5.1.5 Reserve space .................................................................... 21
5.1.6 Fasteners ............................................................................ 21
5.2 Pipes....................................................................................... 22
5.2.1 Pipe sizing........................................................................... 22
5.2.2 Laying pipes........................................................................ 22
5.3 Installation............................................................................... 23
5.3.1 Installing the pump and connecting it to the pipework ......... 23
5.4 Electrical connection ............................................................... 24
5.5 Check the direction of rotation................................................. 25
6Commissioning/Decommissioning .............................................. 26
6.1 Commissioning........................................................................ 26
6.1.1 Pre-requisites for commissioning......................................... 26
6.1.2 Filling pump/unit with pumped fluid and ventilating.............. 26
6.1.3 Checking how easily the pump rotates................................ 27
6.1.4 Switching the pump on ........................................................ 27
6.1.5 Switching the pump off ........................................................ 27

Table of contents
04/2019 EN 5
6.2 Decommissioning.................................................................... 28
6.2.1 Pump/unit remains assembled ............................................ 28
6.2.2 Pump/unit is dissembled and stored.................................... 28
7Faults.............................................................................................. 29
7.1 Overview ................................................................................. 29
8Maintenance................................................................................... 34
8.1 Maintenance during operation................................................. 34
8.2 Maintenance work................................................................... 34
8.2.1 Cleaning the BADU Block Multi strainer basket................... 35
8.2.2 Cleaning the BADU Block Multi acrylic lid ........................... 35
8.3 Draining/Cleaning.................................................................... 36
8.4 Disassembling of the pump/unit .............................................. 36
8.4.1 Preparation.......................................................................... 36
8.4.2 Dismantling pump/unit......................................................... 36
8.4.3 Dismantling the motor ......................................................... 37
8.4.4 Dismantling motor unit......................................................... 37
8.4.5 Dismantling pump housing .................................................. 37
8.4.6 Dismantling the impeller and mechanical seal..................... 38
8.5 Assembling pump/unit............................................................. 38
8.5.1 Pre-requisites ...................................................................... 38
8.5.2 Assembling meachanical seal ............................................. 39
8.5.3 Assembling impeller ............................................................ 39
8.5.4 Assembling motor unit......................................................... 39
8.5.5 Assembling motor................................................................ 40
8.6 Screw torque........................................................................... 41
8.7 Spare parts ............................................................................. 42
8.8 Warranty ................................................................................. 42
9Disposal.......................................................................................... 43
10 Technical data ............................................................................ 44
10.1 Dimensional drawing............................................................... 44
10.2 Characteristics ........................................................................ 52
10.3 Exploded drawing.................................................................... 54
11 Index............................................................................................ 56

6 EN 04/2019
Glossary
Unit
Pump built into the system.
Pressure line
Pipe connected to the pressure discharge.
Motor unit
Pump without housing.
Item number
The item numbers contained in the text e.g. (210) can be found in
the exploded drawing.
Pump
Machine with motor.
Suction line
Pipe connected to the suction discharge.
Declaration of clearance
A declaration of clearance is a statement from the customer
confirming that the product has been drained correctly should it
need to be returned to the manufacturer. This is to certify that
wetted parts do not pose a danger to health or the environment.

About this document
04/2019 EN 7
1 About this document
1.1 Using this manual
This manual is a component of the pump/unit. The pump/unit was
manufactured and tested according to the generally accepted
rules of technology. However, if the pump/unit is used incorrectly,
not serviced enough or tampered with, danger to life and limb or
material damage could result.
Read the manual carefully before use.
Keep the manual during the service life of the product.
Provide access to the manual for operating and service
personnel at all times.
Pass the manual on to any future owners or operators of the
product.
1.2 Target group
This instruction manual is intended for qualified professionals.
See point 2.2 on page 9
1.3 Other applicable documents
• Packing list
• Supplier documentation
1.3.1 Symbols and means of representation
Warnings are used in this manual to warn you of personal injury.
Always read and observe warnings.
DANGER
Danger for people.
Non-observance results in death or serious injury.
WARNING
Danger for people.
Non-observance can result in death or serious injury.
CAUTION
Danger for people.
Non-observance can result in light to moderate injury.
NOTICE
Notes to prevent material damage, for better understanding or to
optimise the workflow.

About this document
8 EN 04/2019
Important information and technical notes are specially marked to
explain correct operation.
Symbol Meaning
Instructions for a one-step action.
1.
2.
Directions for a multi-step action.
Observe the order of the steps.

Safety
04/2019 EN 9
2 Safety
2.1 Intended use
The pump/unit is intended for the circulation of swimming pool
water.
Observing the following information is vital for intended use:
• This manual
• Supplier documentation
The pump/unit may only be operated within the application limits
and characteristics, as specified in this manual.
Any other use or use exceeding this is not an intended use and
must first be authorised by the manufacturer/supplier.
2.1.1 Possible misuse
• Installing the pump/unit with stress on the pipes.
• Using the pump/unit beyond the operating limits specified in
the pump data sheet, e.g. excessive system pressure or
pressure surges in the unit.
• Opening and servicing of the pump/unit by unqualified
personnel.
• Operating the pump/unit in a partly assembled state.
• Operating the pump/unit without pumped fluid.
• Incorrect installation of the pump/unit.
2.2 Personnel qualification
This unit can be used by persons with limited physical, sensory or
mental capacity or by people with a lack of experience or
knowledge, provided that they are supervised or have been
instructed in the safe use of the unit and understand the resulting
dangers.
Ensure that the following work is only performed by trained
professionals with the following qualifications:
– For mechanical work, for example replacing ball bearings
or mechanical seals: qualified mechanics.
– For work on the electric system: electricians.
Ensure that the following requirements are fulfilled:
– Personnel who do not yet have the appropriate
qualifications must receive the required training before
being allowed to work on the system.
– The personnels' responsibilities, for example working on
the product, electric equipment or hydraulic systems, are
set based on their qualifications and the job description.

Safety
10 EN 04/2019
– The personnel have read this manual and understand the
necessary working steps.
2.3 Safety regulations
The operator of the system is responsible for the adherence to all
relevant statutory regulations and guidelines.
Observe the following regulations when using the pump/unit:
– This manual
– Warning and information signs on the product
– Other applicable documents
– The valid national regulations for accident prevention
– The internal occupational, operational and safety
regulations of the operator
2.4 Protective equipment
Reaching into moving parts, e.g. coupling and/or impeller fan, can
cause serious injury.
Never operate the pump/unit without protective covers.
2.5 Structural modifications and spare parts
Alterations or modifications can affect operational safety.
Never modify or alter the pump/unit without the
manufacturer's permission.
Only use original spare parts and accessories authorised by
the manufacturer.
2.6 Signs
Ensure that all the signs on the complete pump/unit remain
legible.
2.7 Residual risk
2.7.1 Falling parts
The lifting hooks on the motor are designed for the weight of the
motor. The lifting hooks can break if the complete pump unit is
attached.
Attach the pump unit consisting of motor, pump and filter
housing (where necessary) on both the motor and the pump
sides. See point 4.2 on page 17
Only use hoisting and load-bearing equipment which is
suitable and technically sound.
Do not stand under suspended loads.

Safety
04/2019 EN 11
2.7.2 Rotating parts
There is a risk of shearing and crushing due to exposed rotating
parts.
Only perform servicing when the pump/unit is not in
operation.
Prior to servicing, ensure the pump/unit cannot be switched
back on.
Immediately after finishing servicing, reattach or reactivate all
protective equipment.
2.7.3 Stability
Ensure sufficient stability of the pump/unit. There is a danger
of crushing due to tilting or falling over.
2.7.4 Electrical energy
There is an increased risk of electric shock when working on the
electrical system due to the humid environment.
Electrical protective earth conductors which were not installed
correctly can also result in electric shocks, for example due to
oxidation or cable breakage.
Observe VDE and utility company regulations.
Build swimming pools and their protection according to
DIN VDE 0100-702.
Before working on the electrical system, take the following
measures:
– Disconnect system from the power supply.
– Attach a warning sign: “Do not switch on! The system is
being worked on.”
– Ensure that the system is free of voltage.
Check the electrical system regularly to ensure it is in proper
working condition.
2.7.5 Hot surfaces
The electric motor can reach temperatures of up to 70 °C. There
is a risk of being burned.
Do not touch the motor during operation.
Allow the pump/unit to cool down before servicing it.
2.7.6 Hazardous materials
Ensure that leaks of dangerous pumped fluids/gases are led
away without endangering people or the environment.
Decontaminate the pump completely during disassembly.
2.7.7 Suction danger
Ensure that the suction openings conform to current guidelines,
standards and instructions.

Safety
12 EN 04/2019
2.8 Faults
In case of a fault, immediately switch the pump off and
remove it from operation.
Have all faults repaired immediately.
Seized pump
If a pump seizes, and is switched on several times repeatedly, the
motor can be damaged. Observe the following points:
Do not switch the pump/unit on repeatedly.
Turn the motor shaft by hand. See point 6.1.3 on page 27.
Clean pump.
2.9 Preventing material damage
2.9.1 Leakage and pipe breakage
Vibrations and thermal expansion can cause pipes to break.
Install the pump/unit in a manner which reduces structure-
borne and airborne noise transmission. When doing so,
observe relevant regulations.
If the pipe forces are exceeded, leaks can occur at the screwed
connection or the pump itself.
Do not use the pump as a fixed point for the pipe line.
Connect pipes free of load and mount them elastically. Install
compensators.
If the pump leaks, the unit may not be operated and must be
disconnected from the mains power supply.
2.9.2 Dry running
If run dry, mechanical seals and synthetic parts can be destroyed
within only a few seconds.
Do not allow the pump to run dry. This also applies to
checking the rotation direction.
Purge air from pump and suction line prior to start-up.
2.9.3 Cavitation
Pipes which are too long increase resistance. This results in risk
of cavitation.
Ensure that the suction line does not leak.
Observe the maximum pipe length.
Only switch the pump on when the valve on the delivery side
is opened halfway.
Open the valve on the suction side completely.

Safety
04/2019 EN 13
2.9.4 Overheating
The following factors can result in the pump overheating:
• Excessive pressure on the delivery side.
• Motor overload switch set incorrectly.
• Ambient temperature which is too high.
Do not operate the pump with the valves closed, minimum
flow rate 10 % of Qmax.
For pumps with a three-phase motor and no motor
protection, install an overload switch and set it correctly.
Do not exceed the permitted ambient temperature of 40 °C.
2.9.5 Pressure surges
The pressure in the filter housing or pump housing (BADU Block)
must not exceed 2.5 bar or 3.0 bar for the Normblock. Otherwise
damage may occur to the acrylic glass lid or other pump parts.
Install a non-return valve.
The use of a frequency converter or a smooth start is
recommended in order to rule out pressure surges on the unit
side.
2.9.6 Blockages in the pump
Pieces of dirt in the suction line can clog and block the pump.
Do not operate the pump without a strainer basket.
Check how easily the pump rotates before starting it up and
after longer idle or storage periods.
Remove any impuritites from the suction line.
2.9.7 Drainage
An insufficient drain gap can damage the motor.
Do not block or seal the drain gap between the pump
housing and the motor.
Never assemble the unit with the motor positioned
underneath.
2.9.8 Risk of frost
Drain the pump/unit and pipes at risk of freezing in plenty of
time.
Remove the pump/unit during periods of frost and store it in a
dry room.
2.9.9 Water temperature
The water temperature must not exceed 40 °C.

Safety
14 EN 04/2019
2.9.10 Deformation of the pump
Deformation of the pump must be avoided.
Adhere to the assembly torques stipulated for the screws.
The pump must be set up completely on the foundation.
2.9.11 Safe use of the product
Safe use of the product is no longer guaranteed in the following
instances:
If the pipework is not in proper condition.
If the pump seizes. See point 2.8 on page 12
If protective devices are damaged or missing, e.g. protection
against accidental contact.
If there is stress on the pump/unit or pipes during installation.
If the pump/unit is not installed correctly.
If there is a technical fault.

Description
04/2019 EN 15
3 Description
(1)
(2)
(3)
(4)
(5)
B
VW61.21.021
(3)
(1)
(2)
A
(5)
Fig. 1
A Normblock Multi B BADU Block Multi
(1) Suction discharge (2) Pressure discharge
(3) Motor (4) Filter housing with strainer
basket
(5) Drive lantern
3.1 Function
The pump draws the swimming pool water in via a shut-off valve
in the suction line and suction discharge (1). A strainer basket is
integrated in the filter housing (4) of the BADU Block Multi which
filters out rough impurities. The water is pumped to the filter unit
via the discharge outlet (2) and a shut-off valve in the pressure
side. The drive shaft in the motor (3) is connected to the pump
shaft. The motor (3) is connected to the pump with the drive
lantern (5).

Description
16 EN 04/2019
3.2 Designation
Example: Normblock Multi 100/250
Code Description
Normblock Multi Series
100 Nominal dischar
g
e nozzle diameter [mm]
250 Nominal impeller diameter [mm]
Example: BADU Block Multi 100/250
Code Description
BADU Block Multi Series
100 Nominal dischar
g
e nozzle diameter [mm]
250 Nominal impeller diameter [mm]
3.3 Name plate
Verkaufsgesellschaft GmbH
91233 Neunkirchen am Sand, Germany
SPECK Pumpen
S-Nr.
Type
WØ
Q
n
m³/h
min-1
H
Bj.
mm
m
VW61.21.020
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
Fig. 2
(1) Serial number (2) Series/construction size
(3) Material version (4) Flow rate
(5) Motor speed (6) Other
(7) Impeller diameter (8) Dynamic head
(9) Construction year
3.4 Design
3.4.1 Normblock Multi
The Normblock Multi is a non-self-priming, single stage centrifugal
pump, developed in a monoblock design.
A mechanical seal is used to seal the shaft.
3.4.2 BADU Block Multi
The BADU Block Multi is a non-self-priming, single stage
centrifugal pump, developed in a vertical monoblock design. The
pump and the pre-filter housing are joined together via the pump
flange.
A mechanical seal is used to seal the shaft.

Transport and intermediate storage
04/2019 EN 17
4 Transport and intermediate storage
4.1 Transport
Check the delivery conditions.
– Check the packaging for transport damage.
– Determine damages and contact the manufacturer and
the insurance company.
NOTICE
Damage to the mechanical seal due to improper transportation.
Protect the pump shaft against displacement during transport
with transport insurance.
4.1.1 Transporting the pump without the motor
The pump shaft (210) must be fixed.
Dissemble the coupling protection (681) from the drive
lantern.
Loosen screws (901.3).
Push the lock washers (931) into the shaft groove.
Tighten screws (901.3).
4.2 Lifting the pump
DANGER
Goods being transported can fall and result in death or crushing of
limbs!
The lifting hooks on the motor are designed for the weight of the
motor. The lifting hooks can break if the complete pump unit is
attached.
Attach the hoisting equipment to both the motor and pump
sides if hooks are provided.
Use only hoisting and load-bearing equipment which is
suitable, technically sound and can bear enough weight.
Only transport the pump/unit in the correct position.
Do not stand under suspended loads.
The motor is the heaviest part of the pump.

Transport and intermediate storage
18 EN 04/2019
VW61.21.027
Fig. 3
VW61.21.029
Fig. 4

Transport and intermediate storage
04/2019 EN 19
VW61.21.028
Fig. 5
4.3 Storage
NOTICE
Corrosion is possible due to storage in humid conditions with
fluctuating temperatures!
Condensation can corrode windings and metal parts.
Store the pump/unit in a dry environment at a temperature
which is as constant as possible.
NOTICE
There is a risk of damage to the winding and entry of foreign
matter due to open ports!
Do not remove the port covers until the pipes are ready to be
connected.
The shaft must be turned by hand once a week, for example via
the motor fan or pump shaft.
New pumps/units are treated in the factory so that they are
protected for 12 month when stored correctly.
For storage of units which have already been operated, See point
6.2.2 on page 28

Transport and intermediate storage
20 EN 04/2019
4.4 Returns
– Drain the pump completely.
– Clean the pump and rinse it with clear water, especially with
hazardous or risky pumped fluids.
– Complete the declaration of clearance and return it with the
pump.