FläktGroup Smoke Master SMIA Installation guide

Brand: FläktGroup

Model: Smoke Master SMIA

Type: Installation guide

INSTALLATION, OPERATION AND MAINTENANCE

Smoke Master

SMIA

CONTENTS

Safety aspects 3

System overview 4

Installation 5

Installation of the fan unit 5

Installation in a ﬂat roof insulated

with hard mineral wool 6

Installation in a pitched roof 7

Electrical installations 8

Stairwell smoke detectors 8

Relay unit for smoke detectors 8

Pressure transmitter 9

Control unit 10

Control panel 10

Electrical connections 11

System operation 12

Pressurisation 12

Smoke exhaust 12

Frequency converter 12

Testing and inspections 13

Initial inspection 13

Half-yearly inspections 13

Annual inspections 13

Maintenance 14

Electrical components 14

Fan 14

Connections to external systems (e.g. apartment

air release paths or smoke detector system 14

Troubleshooting 15

Smoke Master SMIA - Installation, operation and maintenance

SAFETY ASPECTS

• The control unit, the control panel and the fan unit use a

dangerously high voltage of 230V. The system should be

made dead before any electrical or maintenance work.

• Electrical installations should only be carried

out by a suitably qualiﬁed electrician.

• Before any maintenance work is carried out on the fan

unit, the safety switches for the fan and for the hatch

opening motors should be turned to position 0.

• If the fan unit is installed in a place where it may cause

danger, access to the unit should be prevented.

• The installer and the operator are jointly responsible for ensuring

that the installation complies with local rules and regulations.

Smoke Master SMIA - Installation, operation and maintenance

SYSTEM OVERVIEW

SMOKE MASTER SMIA is an all-inclusive total solution for stairwell pres-

surisation and smoke exhaust. The system has been designed and the

components have been constructed to the pressurisation standard EN

12101-6, and the smoke extract fans conform to EN 12101-3. The system

has been tested by VTT Technical Research Centre of Finland, and it has

also been subjected to full-scale ﬁre tests, performed in Myllypuro, Hel-

sinki, in a block of ﬂats. SMIA has been designed for use in residential

buildings up to eight storeys high.

The SMIA fan unit is, due to its compact external dimensions, suitable

for use in new build as well as many refurbishment projects. For ease

of design, it is only available in one size with constant air volumes that

works for stairwells of many different heights.

An SMIA total solution comprises integrated smoke hatches, a fan unit,

a control panel, and a control unit. The apartment air release path solu-

tions with the necessary spindle motors, smoke detectors and control

units are supplied by our partners.

Control panel Differential pressure transmitter

Control unit

SMIZ-3 SMIZ-4

SMIZ-2

Compact pressurisation and

smoke exhaust system

SMIA

Smoke Master SMIA - Installation, operation and maintenance

LIFTING SMIA-1 AND SMIZ-1 AT THE INSTALLATION SITE

SMIA-1 SMIZ-1

Remove the lifting lugs after installation.

NOTE!

On the fan unit (SMIA-1), the ﬁxing screws

for the lifting lugs should be screwed in after

the lugs have been removed!

Smoke Master SMIA - Installation, operation and maintenance

INSTALLATION IN A FLAT ROOF INSULATED WITH HARD MINERAL WOOL

*) = included in delivery

**) = not included in delivery

Mounting bracket 80x80 4 pcs

Self-drilling screw 6,3x25 *)

3-5 pcs per mounting bracket

Wedge anchor **)

M6x50 - 2-4 pcs per mounting bracket

NOTE!

Align the upper surface of

the unit’s bottom grille with

the roof’s lower surface.

NOTE!

The opening should be

30–40 mm larger than the

outer casing of the unit.

Seal with grout or a

sealant in compliance

with the type approval.

Compliant waterproof

protection of the penetration

Modiﬁed bitumen

Mineral wool 220 mm

Screed to falls ~50 mm

Hollow-core slab 265 mm or

cast-in-situ concrete 240 mm

Smoke Master SMIA - Installation, operation and maintenance

INSTALLATION IN A PITCHED ROOF

*) = included in delivery

**) = not included in delivery

Range of

adjustment

Self-drilling screw 6,3x25 *)

3-5 pcs per mounting bracket

Wedge anchor **)

M6x50 - 2-4 pcs per

mounting bracket

Mounting bracket 80x80 4 pcs

Compliant waterproof

protection of the penetration

Length of the extension

L=max. 2000 mm, multiples of 100 mm

NOTE!

Align the upper surface of

the unit’s bottom grille with

the roof’s lower surface

NOTE!

The opening should be

30–40mm larger than the

outer casing of the unit.

Seal with grout or a

sealant in compliance

with the type approval.

Cut the ﬁre-resist-

ant mineral wool

slabs (included)

into pieces that ﬁt

between the fan unit

and the extension.

Insulate the joint

between the fan unit’s

inner casing and the

extension’s inner tube

with ﬁreproof sealant.

Cover the joint on the outside

with the two cover plates pro-

vided with the extension. Secure

the plates to the outer casing

of the fan unit / extension with

4.2x13 self-tapping screws.

Secure with 5x40 coach

screws or similar **)

Self-drilling screw 6,3x25 *)

3-5 pcs per mounting bracket

Mounting bracket 80x80 4 pcs

Wooden mounting frame

between rafters

Smoke Master SMIA - Installation, operation and maintenance

ELECTRICAL INSTALLATIONS

STAIRWELL SMOKE DETECTORS

The smoke detectors (FDRC-1-SMIA) allow direct connection to the SMIA

system. There should be stairwell smoke detectors ceiling mounted at

each landing. The detectors should be connected in series, with the last

one connected to a terminator (see wiring diagrams).

The smoke detectors are optical and rated at 24V.

When a smoke detector detects smoke, the red LED on the detector is

lit, and an alarm indication is provided to the control unit.

The alarm remains active until reset at the control unit.

RELAY UNIT FOR SMOKE DETECTORS

The stairwell smoke detectors should be wired to the relay unit incorpo-

rated into the SMIA control unit. The relay unit monitors the operation of

the smoke detectors.

Normal operation: Green LED “Operation” steadily on.

Service alarm: Yellow LED “Service” steadily on.

• Clean the smoke detector: the yellow LED will start ﬂashing slowly.

• Reset the alarm using the Reset button: the yellow LED will go off.

Error: Yellow LED “Short circuit” steadily due to a short-circuited detec-

tor cable.

• Fix the problem: the yellow LED will start ﬂashing slowly.

• Reset the alarm using the Reset button: the yellow LED will go off.

Error: Yellow LED “Broken line” steadily on due to a broken detector ca-

ble.

• Fix the problem: the yellow LED will start ﬂashing slowly.

• Reset the alarm using the Reset button: the yellow LED will go off.

Smoke alarm: Red LED “Smoke alarm” steadily on.

• Reset the alarm using the Reset button: the red LED will go off.

Smoke Master SMIA - Installation, operation and maintenance

ELECTRICAL INSTALLATIONS

PRESSURE TRANSMITTER

• The pressure transmitter should be installed in a sheltered place.

The silicone hoses should not exceed 10m in length and should be

shielded or otherwise replaced with pipes.

• Take the + hose to the stairwell and the – hose outdoors.

• The outdoor hose can be taken through a wall using a wall sleeve

designed for overpressure meters (YM-1 + capped pipe + bend),

available as an accessory.

• The factory setting for the pressure range is 100 Pa. Make sure the

dip switch settings are as shown in the picture.

• The display of the pressure transmitter must be accessible to those

conducting annual inspections.

• The display should be reset once a year. Disconnect the hoses and

open the cover. Press and hold the “Zero” button for ﬁve seconds.

• The factory setting for the response time is 2s to ease off pressure

control. The setting can be checked by placing dip switch PJ3 to the

F position

Smoke Master SMIA - Installation, operation and maintenance

ELECTRICAL INSTALLATIONS

CONTROL UNIT

The control unit should be placed in a sheltered place (e.g. a mechanical

room). It should be easily accessible, as it is where, for example, smoke

detectors are reset.

CONTROL PANEL

The control panel should be placed in the stairwell near the entrance

door where the rescue authorities can easily ﬁnd it.

For testing, the cover must be opened to gain access to the switch-

es. In the event of a ﬁre, ﬁre ﬁghters break the glass and select either

pressurisation or smoke exhaust. The latter is an overriding function:

when the SMOKE EXHAUST switch is turned to position 1, pressurisa-

tion stops, and smoke exhaust starts.

Normally, the PRESSURISATION switch is in position AUT, the SMOKE

EXHAUST switch is in position 0, and the green STANDBY light is on.

PRESSURISATION AND SMOKE EXHAUST

PRESSURI

SA-TION ON

PRESSURISATION

MAN

SMOKE EXHAUST

FAN ON

SERVICE

STANDBY

FläktGroup

Smoke Master SMIA - Installation, operation and maintenance

ELECTRICAL CONNECTIONS

SMIA CONTROL UNIT

FREQUENCY

CONVERTER

EXTERNAL

START OF

PRESSURISATION

SUPPLY CABLE

SHIELDING

'FAULT' SIGNAL

'RUN' SIGNAL

STAR CONNECTION

CONTROL PANEL

PRESSURISATION FAN TF01 LINEAR MOTORS ST01/02 PRESSURE TRANSMITTER

dPT 01

Y/GR

MOTOR–SAFETY SWITCH CABLING IS INCLUDED IN THE PACKAGE SUPPLIED BY FLÄKTGROUP.

OTHER CABLES SHALL BE INSTALLED ON SITE BY AN ELECTRICIAN.

THE CABLES SHOULD BE FIRE RESISTANT OR OTHERWISE PROTECTED FROM FIRE.

STAIRWELL

SMOKE DETECTORS

NOT SUPPLIED BY FLÄKTGROUP

APARTMENT SMOKE EXTRACT WINDOW

CONTROL UNIT 1

APARTMENT SMOKE EXTRACT WINDOW

CONTROL UNIT n

SUPPLY APARTMENT

SMOKE

DETECTOR

'FAULT'

SIGNAL

MANUAL

WINDOW

OPENING

WINDOW

OPENING

MOTOR

SUPPLY APARTMENT

SMOKE

DETECTOR

'FAULT'

SIGNAL

MANUAL

WINDOW

OPENING

WINDOW

OPENING

MOTOR

Smoke Master SMIA - Installation, operation and maintenance

SYSTEM OPERATION

The components for controlling SMIA include:

• fuses and switches in the power supply cable for the control unit

• fuses, frequency converter, relay unit and hatch opening switch in-

side the control unit

• control panel

• pressure transmitter

• smoke detectors

• safety switches for the fan unit

• external systems, if any.

PRESSURISATION

Pressurisation starts

• when an SMIA smoke detector activates, provided that the pressur-

isation switch on the control panel is in position AUT.

• when an external system sends the SMIA control unit a signal to

start pressurisation, provided that the pressurisation switch on the

control panel is in position AUT.

• when the pressurisation on the control panel is turned to position

MAN.

First, the hatches above the fan open. In approximately 20 seconds, the

fan starts running and blowing air into the building. The frequency con-

verter works, based on the pressure difference measured by the pres-

sure transmitter, to maintain the pressure within the stairwell higher, by

50 Pa, than the pressure of the air outside.

Stopping

• When activated by an SMIA smoke detector, pressurisation can be

stopped by resetting the ABAV relay unit incorporated into the con-

trol unit. There must be no smoke left near the smoke detector.

• When activated by an external system, pressurisation can be

stopped from this external system.

• When activated from the control panel, pressurisation can be

stopped by turning the pressurisation switch to position AUT or 0.

SMOKE EXHAUST

Starting

Smoke exhaust can only be started using the smoke exhaust switch on

the control panel. Smoke exhaust is an overriding function: if it is activat-

ed while pressurisation is in progress, the fan stops and switches to the

smoke exhaust mode.

First, the hatches above the fan open. In approximately 20 seconds, the

fan starts running, at full speed, and extracting air from the building.

Stopping

Smoke exhaust can only be stopped using the smoke exhaust switch on

the control panel.

FREQUENCY CONVERTER

The frequency converter controls the pressure during pressurisation. For

smoke exhaust, it makes the fan run in the reverse direction and at full

speed.

The parameters of the frequency converter are factory set. Attached to

this document is a list of the parameters.

CONTROL PANEL

The frequency converter should always be in the Auto/On mode!

TUNING THE PRESSURE CONTROLLER

The pressure (PI) controller is pre-tuned to respond fast but without

causing vibration. In cases where vibrations occur in a building with low

leakage currents, the pressure controller can be made less responsive

by decreasing the gain (7-33) and extending the integral time (7-34).

7-33 Process PI Proportional Gain

0.00 - 10.00 * 0.01

7-34 Process PI Integral Time

0.10 - 9999 s * 9999 s

ERROR CODES

Read the displayed code and address the cause of the problem.

RESETTING AFTER AN ERROR

In the case of an error that has caused the fan to stop, the frequency

converter must be reset by ﬁrst making it dead, using the back-up fuse,

so that the display goes blank. After making the frequency converter

live again, it should be reset by pressing the Off/Reset key and then the

Auto/On key.

SYSTEM OPERATION, PRESSURISATION, SMOKE EXHAUST, AND FREQUENCY CONVERTER

Smoke Master SMIA - Installation, operation and maintenance

TESTING AND INSPECTIONS

INITIAL INSPECTION

1. First measures

Turn the control unit fuses to position 1.

Turn the safety switches to position 1.

Turn the control panel switches to position 0.

Make the control unit live.

Reset the pressure transmitter to read 0 Pa.

Check that only the green “Operation” LED on the relay unit is on.

Check that the frequency converter is in the Auto/On mode and does

not display any error messages.

The yellow “Service” LED on the control panel should now be on.

Turn the PRESSURISATION switch on the control panel to position

AUT. The green STANDBY light should come on.

2. Checking the operation of the hatches

Open the hatches by turning switch S3, inside the control unit, to po-

sition 1. If the hatches will not open, check if the safety switch is in

position 0 or if the cable to the linear motors is connected incorrectly.

Return the switch to position 0: the hatches should close.

3. Checking the operation of smoke exhaust

Open a compensation air hatch or the entrance door e.g. to prevent

windows from being damaged.

Turn the SMOKE EXHAUST switch to position 1.

The red SMOKE EXHAUST light on the control panel should come on.

The hatches of the fan unit open.

In approximately 20 seconds, the fan will start running at full speed.

Check that air starts ﬂowing out of the stairwell. If the air ﬂows in the

wrong direction, the two phase conductors of the fan motor cable

should change places.

Turn the SMOKE EXHAUST switch to position 0. Only the STANDBY

light should come on.

4. Checking the operation of pressurisation

Close all doors to the stairwell.

Start pressurisation by turning the PRESSURISATION switch on the

control panel to position MAN. Alternatively, with the PRESSURISA-

TION switch in position AUT, pressurisation can be activated from an

external system or by triggering a smoke detector using test gas.

The red PRESSURISATION light on the control panel should come on.

The hatches of the fan unit open.

In approximately 20 seconds, the fan will start running and air will

start ﬂowing into the stairwell. If the ﬂow of air is in the wrong direc-

tion, the two phase conductors of the fan motor cable should change

places.

The frequency converter works, based on the pressure difference

measured by the pressure transmitter, to maintain the pressure with-

in the stairwell higher, by 50 (± 5) Pa, than the pressure of the air

outside.

If the pressure will not rise, check the transmitter hoses and make

sure all doors are properly closed.

If there are signiﬁcant ﬂuctuations in pressure, see the instructions

for tuning the pressure controller.

The intended air release path has to be kept open during testing to

reduce vibrating.

With the PRESSURISATION switch in position AUT, reset the relay

unit, in the control unit, using the RESET button. The fan will stop, and

the hatches will close.

HALF-YEARLY INSPECTIONS

• Check the operation of smoke exhaust and pressurisation using the

control panel switches (see Initial inspection).

ANNUAL INSPECTIONS

• Carry out the measures described under Initial inspection.

• Check that the hatches of the fan unit open without trouble. Re-

move any obstructions. On the hatch opening motors, the following

should be checked:

1. Security of motor mountings

2. Protection against moisture

3. Operation (testing) and electrical connections of the motors

• Also check that the hinges of the hatches are properly secured,

that the water drain is clean, and that the seals are tight. Replace

seals as necessary.

• Check the condition of the transmitter hoses. Replace hoses as

necessary.

• For resetting the pressure transmitter the hoses need to be de-

tached from the transmitter. See installation of pressure transmit-

ter.

Smoke Master SMIA - Installation, operation and maintenance

MAINTENANCE AND CONNECTIONS TO EXTERNAL SYSTEMS

MAINTENANCE OF ELECTRICAL COMPONENTS

The maintenance of the automatic system involves:

• Resetting the pressure transmitter once a year

• Cleaning the smoke detector after every error message

• Servicing the control unit fuses as necessary

• Inspecting the fan of the frequency converter once a year and re-

placing it when necessary

• Inspecting the glass cover of the control panel once a year

• Servicing the LEDs on the control panel as necessary

MAINTENANCE OF THE FAN

The hatches of the fan unit can be opened for fan maintenance using

switch S3, located inside the control unit. Before any maintenance work

is carried out, the fan and the linear motors should be made dead by

turning the safety switches on the fan unit to position 0.

After maintenance, return the safety switches to position 1, and close

the hatches using switch S3. The green light on the control panel should

come on.

To gain access to the axial fan, remove the cross member from the fan

unit and detach the motor spindles from the hatches. To remove the

cross member:

1. Remove the four ﬁxing screws (2) of the cross member.

2. Remove the ﬁxing screws (3) of the motor spindle from the hatch.

3. Take out the cross member (1) together with the motor, and place

the assembly where the motor cables are not exposed to pulling.

Reassemble in reverse order.

Fan maintenance is detailed in the instructions for HT series Aerofoil

fans.

CONNECTIONS TO EXTERNAL SYSTEMS (E.G. APARTMENT AIR

RELEASE PATHS OR SMOKE DETECTOR SYSTEM)

Pressurisation can be activated from an external system via a volt-free

normally open contact. The contact must remain closed for the entire

duration of pressurisation. The voltage rating for the circuit is 24VAC.

The control unit gives volt-free Run and Alarm signals. A Run signal is

given on activation of pressurisation or smoke exhaust. This signal can

be used, for example, to activate the emergency stop operation of the

ventilation system.

An Alarm signal is given in the event of a fault that prevents the system

from working.

Smoke Master SMIA - Installation, operation and maintenance

TROUBLESHOOTING

Problem Cause Action

Yellow light on.

Fault in the relay unit for smoke detectors. Check the condition of smoke detectors.

Clean the detectors and reset.

Circuit breaker 1F1 has been tripped. Find out the cause of tripping and reset

the circuit breaker to position 1.

Frequency converter fault.

Read the error code displayed by the

frequency converter and check it in the

frequency converter manual.

Hatch opening switch S3 (in the control unit)

in position 1. Return the switch to position 0.

Safety switch in position 0. Return the switch to position 1.

Pressurisation switch (on the control panel)

in position 0. Return the switch to position AUT.

Fan will not start.

Frequency converter set to Off from the panel. Return the frequency converter to Auto/On

mode.

Frequency converter parameters incorrectly

set.

Check that the parameter settings are as

listed.

Time relays operate incorrectly. Check the correct operation of control unit time

relays in wiring diagrams.

Supply voltage fault. Measure all phase and neutral conductors.

Hatches will not open. Control unit fuse 1F2 blown. Find out the cause of blowing and replace

the fuse.

Pressurisation cannot be activated from

a system external to SMIA.

Control unit fuses 1F3 and 2F1 blown. /

External contact did not close. Find out the cause and replace the fuses.

Pressure will not rise to 50 Pa.

Pressure hoses blocked or disconnected. Check the hoses.

Doors and windows open. Establish standards-compliant test conditions.

Pressure ﬂuctuates widely and will not settle.

Ease off pressure control (see instructions

for tuning the pressure controller).

Open the intended air release path.

Faulty start / Fan will not stop.

Smoke detector fault. Check the smoke detectors.

External system fault. Check if an external system has given

a Start signal

Relay unit for smoke detectors not reset. Reset the unit (in the control unit) using

the Reset button.

Pressurisation switch (on the control panel)

in position MAN. Return the switch to position AUT.

Smoke exhaust switch (on the control panel)

in position 1. Return the switch to position 0.

No lights on.

No voltage. Measure all phase and neutral conductors.

Control unit fuse 1F3 blown. Find out the cause of blowing and replace

the fuse.

No control panel lights on when

a light should be on. LED blown. Replace the LED. Note: 230VAC.

Smoke Master SMIA - Installation, operation and maintenance

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FläktGroup Smoke Master SMIA Installation guide

FläktGroup Smoke Master SMIA Installation guide

FläktGroup Smoke Master SMIA Installation guide

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