Grundfos FireSAFE Series User manual

FireSAFE Residential Range

Installation and Operating instructions

For use in Residential properties

www.grundfos.co.uk Page 2 of 40

EC/EU Declaration of Conformity

Name of manufacturer: Grundfos Manufacturing Limited.

Address: Ferryboat Lane,

Castletown,

Sunderland.

SR5 3JL.

We, Grundfos, declare under sole responsibility that the product FireSAFE, to which the

declaration below relates, are in conformity with the Council Directives listed below on the

approximation of the laws if the EC/EU member states.

Machinery Directive (2006/42/EC).

Standards used: EN ISO 12100:2010

Low Voltage Directive (2014/35/EU).

Standard used: EN 61439-1:2011

EMC Directive (2014/30/EU)

Standard used: EN 61000-6-1:2007 and EN 61000-6-3:2007+A1:2011

Construction Products Regulation EU no. 305/2011

Standard used: EN 12845:2004+A2:2009

This EC/EU declaration of conformity is only valid when published as part of the Grundfos

Installation and Operating instructions (publication number 98952970).

Authorised signature:

John Austin –Engineering Manager

(Name) (Position)

Date of issue: 30/04/2016

The Grundfos FireSAFE (Safe Active Fire Equipment) range is designed to comply with the

recommendations of British Standard, BS9251:2014.

(BS9251:2014 Fire sprinkler systems for domestic and residential occupancies. Code of practice)

www.grundfos.co.uk Page 3 of 40

Table of Contents

1.0 How and when to use this

Installation and Operating Manual

2.0 Symbols used in this document

3.0 Scope of these Instructions

4.0 Product Identification

5.0 Product Introduction, Description

and Application

6.0 Key Product Components

6.1 Pump

6.2 Pressure gauge

6.3 Pressure Switch

6.4 Non-return valve

6.5 Flow Switch

6.6 BS 9251:2014 Test line

connection

6.7 Controller

7.0 Description of functions

7.1 Modes of Operation

7.2 Integration of Digital Signals

7.3 Mains Power monitoring

7.4 Semi-Automatic weekly pump

self-test

7.5 Automatic Pump Health Test

7.6 Manual Testing of Pump Health

7.7 Setting of weekly test time

7.8 Annual Maintenance reminder

7.9 Excessive Pump Operation

8.0 General Information

8.1 Delivery and Handling

8.2 Delivery Inspection upon receipt

8.3 Warranty

8.4 Site Storage

8.5 Frost Protection

8.6 Operating Environment

8.7 Installation Location

8.8 Breaktanks and Mains water

connection

8.9 Installation General requirements

8.10 Operating Conditions

9.0 Installation and Commissioning

9.1 Pressure switch setting

9.2 Electrical Power connections

9.3 Digital Input and Output connections

9.4 Pump Prime/Vent

9.5 Installation checklist

9.6 Commissioning checklist

9.7 System Verification Test Checklist

10.0 Operation

11.0 User Inspection

11.1 User Inspection checklist

12.0 User Maintenance

13.0 Service and Annual Test

13.1 Servicing and Annual checklist

14.0 Technical Information

14.1 Product Range –FireSAFE CRi

14.2 Product Range –FireSAFE CR

15.0 De-commissioning, Dismantling and

Disposal

15.1 De-commissioning

15.2 Dismantling

15.3 Disposal

16.0 Fault Finding checklists

17.0 History Log

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1.0 How and when to use the FireSAFE Installation & Operating Manual

Prior to Installation, Commissioning and System verification of this product, the

installer should fully read this Installation and Operating manual.

The Installation and operation must also comply with local regulations and accepted

codes of good practice.

Use the Installation checklist, when installing the product, Section 9.4

Use the Commissioning checklist, when installing the product, Section 9.5

Use the System verification checklist, when installing the product, Section 9.6

Prior to Operation of this product, the user should fully read this Installation and

Operating manual fully. The user is responsible for periodic inspection of the product, at

a recommended interval of every 6 months.

Use the User inspection checklists, Section 11.1

Prior to Fault finding on this product, read this Installation and Operating manual fully.

Use the Fault finding checklists, Section 17.0

Prior to Servicing and the annual test on this product, read this Installation and

Operating manual fully.

Use the Service and annual test checklist, Section 13.1

The use of this product requires experience with and knowledge of the product.

Persons with reduced physical, sensory or mental capabilities must not use this

product, unless they are under supervision or have been instructed in the use of the

product by a person responsible for their safety.

A product History log is included for the installer to complete and the user to retain.

All activities relating to installation, commissioning, system verification, service, annual test and

any other maintenance performed on the product should be logged.

For quick reference the front page of this Installation and Operating manual should be filled in

with the contact details of the Installer or building supervisor. This manual should stay with the

FireSAFE unit.

www.grundfos.co.uk Page 5 of 40

2.0 Symbols used in this document

WARNING

If these safety instructions are not observed, it may result in personal injury or damage

to property.

WARNING

If these instructions are not observed, it may lead

to electric shock with consequent

risk of serious

personal injury or death.

CAUTION

If these safety instructions are not observed, it may result in malfunction or

damage to the equipment

NOTE

Notes or instructions that make the job easier and ensure safe operation

3.0 Scope of these Instructions

These installation and operating instructions apply to the:

Grundfos FireSAFE Residential unit.

For Technical Information consult the FireSAFE Datasheet and the Technical information

section of this manual.

For CR Pump specific information please consult the CR Installation and Operating manual

supplied with the product documentation.

All of the above documents can also be found on the Grundfos Product Center website at:

www.grundfos.co.uk

4.0 Product Identification

The FireSAFE unit has a silver label attached to the top of the front cover.

This label gives the following key information.

CAUTION

NOTE

Part no

Serial No.

Electrical Data

Hydraulic Data

www.grundfos.co.uk Page 6 of 40

5.0 Product Introduction, Description and Application

The Grundfos FireSAFE (Safe Active Fire Equipment) range of pump packages is designed to

comply with the recommendations of British Standard, BS9251:2014.

(BS9251:2014 Fire sprinkler systems for domestic and residential occupancies. Code of practice)

The product is designed to the highest standards and is intended to give many years of trouble

free service while protecting lives and property.

The FireSAFE at home unit is all contained by a single base plate.

The following components are integrated within the FireSAFE product:

1 x Pressure Gauge

1 x Controller 1 x 1” Test line with lockable Valve

(only available of premier version)

1 x CR Pump

1 x Non-return valve 1 x Flow switch

1 x Suction port with lockable valve 1 x Pressure switch

1 x Discharge port with lockable valve

Lockable test line is only available on non-basic version

The following components are supplied with the FireSAFE product:

2 x AAA batteries*

1 x Installation and Operating Manual**

*It is advisable, when replacing the batteries that the same make and type are

used and only new batteries are used when replacing old ones.

The system does not charge the battery’s so re-chargeable batteries should not be used.

NOTE

www.grundfos.co.uk Page 7 of 40

** It is advisable that the Installation and Operating Manual remains with the

product for the duration of the product lifecycle.

The Grundfos FireSAFE supplies water, usually from a storage tank, via a riser system within

the building to a series of sprinkler heads. When the air temperature around a sprinkler head

reaches a predetermined level, the glass bulb bursts, leading to a loss of system pressure and a

flow of water through the sprinkler head. Only sprinkler heads affected directly by the heat

source will operate.

This loss of pressure is detected by the Grundfos FireSAFE unit, via an internal pressure switch,

activating the pump.

6.0 Key Product Components

6.1 Pump

From the Grundfos high quality CR centrifugal horizontal multi stage range.

Further details on the FireSAFE Data sheet

6.2 Pressure gauge

Providing visual indication of the system pressure and for fine tuning the pressure switch

setting. Depending on pump size the Range of the Gauge is 0 - 10 bar or 0 –16 bar.

6.3 Pressure switches (Primary and Secondary)

The FireSAFE unit operates directly from an integrated pressure switch. This pressure switch is

adjusted to meet the site specific requirements. See the section 9.1 regarding Pressure switch

setting. A secondary back up pressure switch is provided in case of failure of the primary

pressure switch. This activates at a factory set value of 1 Bar.

6.4 Non-return valve

Included within the product to maintain the system pressure.

6.5 Flow Switch

Included within the product and is used to indicate the presence of a fire and give an alarm as

the only device allowable under BS9251:2014. The flow switch provided incorporates an

adjustable delay option. This should be optimised to the site conditions to prevent activating

the Fire Alarm unnecessarily

6.6 BS 9251:2014 test line connection

The FireSAFE unit includes a 1” Test line with lockable ball valve. The FireSAFE CR only includes

provisions (1” blanked BSP port) for this test line. This facilitates the annual system test to be

performed according to BS 9251:2014.

Care should be taken when connecting onto this port, to minimize risk of water spillage and

associated issues this may have with any nearby electrical equipment. The unit should be fully

isolated before using this port.

NOTE

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6.7 Controller

The Controller has been specifically designed by Grundfos to conform with BS 9251:2014,

integrate key system signals, monitor condition and to operate automatically.

The following are features of the FireSAFE controller:

Modes of operation:

oPressure maintenance

oFire

oService

Integration of digital signals:

oLow water level

oFlow switch

Mains power monitoring / Controller internal fuse monitoring

Semi-automatic learning of the pump condition

Automatic weekly pump health test, including:

oPump fault monitoring

oPump health monitoring

Manual pump health test

Setting of the Automatic weekly pump test time

Annual service reminder (12 months from system verification)

Excessive pump operation / Leak detection (> 10 operations in a 7 day period)

7.0 Description of Functions

7.1 Modes of operation

The FireSAFE unit can operate in one of three modes:

Mode 1 –System Pressure Maintenance (or “Jockey Pump”)

Mode 2 –Fire

Mode 3 –Service

Mode 1 –System pressure maintenance (or Jockey Pump) mode

If the system pressure decays enough to activate the integral primary pressure switch, the

FireSAFE unit will run the pump for 20 seconds. This will be sufficient to re-pressurise the

system.

The maximum number of maintenance cycles within a 7 day period before the system registers

this as a fault is ten. This excludes the automatic weekly pump self-tests.

On exceeding this the Fault LED on the Control panel and Fault Digital output (D01) are

activated requiring attendance to reset.

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Mode 2 –Fire mode (or Main pump/Duty pump).

If the system pressure decays enough again within the next 20 seconds following the system

pressure maintenance mode de-activation the FireSAFE unit will immediately switch to Fire

mode and run the pump continuously until stopped by the return of the system set point

pressure and the pressing of the Test/Reset button on the control panel.

Instructions for setting and adjusting the Pressure Switches can be found in section Pressure

switches setting, section 9.1, along with the factory pressure settings of the FireSAFE.

Mode 3 - Service mode

The FireSAFE unit has a Service mode, the functions include:

Fault status reset

Service status reset

Pump run counter reset (>10 operations in 1 week period)

Pump calibration

To access the service mode follow the below procedure

When in service mode, the ALARM!, SERVICE and FAULT lights will illuminate.

When in service mode the following activities can be undertaken:

Pressing the test button for 1 second will reset all Fault and Service requests and return

to the normal operation.

Pressing and holding the test button for >10 seconds will start the pump condition

learning and return to the normal operation. This will also reset all Faults and Service

requests and return to the normal operation.

(Press and hold the test button until a long beep is heard).

Press and

hold the Test

button for

>10 seconds

Pump runs Buzzer beeps

once

Pump stops,

buzzer beeps

for a second

time

release

button

Service and/or Fault LEDs will flash if

previously flashing.

www.grundfos.co.uk Page 10 of 40

7.2 Integration of digital signals (Low water level switch and Fire alarm device)

The FireSAFE unit has been specifically designed with the ability to power and relay digital

signals. The signals could be from any source but Grundfos suggest the following important

signals are used:

Digital input/output (DI2/D02) –Tank low water level switch device, to give a warning once

the water storage capacity has been reduced below the low level mark. The signal needs to be

present for more than sixty seconds before the controller activates the output.

Digital input/output (DI3/D03)–Water flow switch device, the only device allowable under

BS9251:2014 to indicate the presence of a fire and to give an alarm. Water flow switches

normally incorporates an adjustable delay option. This should be optimised to the site

conditions to prevent activating the Fire Alarm unnecessarily.

Consult the documentation supplied with your device.

The digital inputs are “wetted” with a 24 V DC voltage which can be applied to the digital

switching devices. Upon the changeover of the switch condition the digital inputs are relayed to

the volt free digital outputs for integration with an Alarm Control panel, Siren or other device.

The “wetted” inputs supplied by the FireSAFE unit remove the need to supply the signalling

device with power from another source. The inputs are optically coupled to the outputs and

hence voltage/current isolated between each other.

Neither Digital input inhibits the FireSAFE system from operating.

Further details in Electrical Installation section

7.3 Mains power monitoring / Controller internal fuse monitoring

On the application of mains electrical power the Power LED on the controller front panel

illuminates and the Fault relay (D01) to moves to its healthy position.

Upon failure of the mains power or the controllers internal fuse the LED extinguishes, the Fault

relay moves to its unhealthy positon and after more than 2 hours without power the internal

buzzer activates for 1 second every 30 minutes. This will continue until the Test/Reset button

is pressed. Buzzer becomes active again at next weekly test.

7.4 Semi-automatic learning of the pump condition

The FireSAFE controller is factory set to the pump full load current (FLC), and it can be reset in

the field following a change to the pump. Follow the service mode instructions in section 7.1.

This should be done against a closed valve system pressurised condition.

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