Original instructions
Sierra
EN
NL
FI
.... 17
....45
....76
SE
ES
DK
....22
....51
....82
NO
IT
.... 27
.... 57
FR
PL
.... 33
.... 63
DE
RU
.... 39
.... 69
Sierra
EN
SE
NO
FR
DE
The introduction pages consist mainly of pictures. For translation of the English
texts used, see the respective language pages.
Introduktionssidorna består huvudsakligen av bilder. För översättning av de
engelska texter som används, se respektive språksidor.
Introduksjonssidene består hovedsakelig av bilder. For oversettelse av de
engelske tekstene, se de respektive språksidene
Les pages de présentation contiennent principalement des images. Consulter la
page correspondant à la langue souhaitée.
Die Einleitungsseiten bestehen hauptsächlich aus Bildern. Für die Übersetzung
der verwendeten Texte in englischer Sprache, siehe die entsprechenden
Sprachseiten.
NL
ES
IT
PL
RU
De inleidende pagina's bevatten hoofdzakelijk afbeeldingen. Voor een vertaling
van de gebruikte Engelse teksten, zie de pagina's van de resp. taal.
Las páginas introductorias contienen básicamente imágenes. Consulte la
traducción de los textos en inglés que las acompañan en las páginas del idioma
correspondiente.
Le pagine introduttive contengono prevalentemente immagini. Per le
traduzioni dei testi scritti in inglese, vedere le pagine nelle diverse lingue.
Początkowe strony zawierają głównie rysunki. Tłumaczenie wykorzystanych
tekstów angielskich znajduje się na odpowiednich stronach językowych.
Страницы в начале Инструкции состоят в основном из рисунков, схем и
таблиц. Перевод встречающегося там текста приведен в разделе RU.
2
FI
DK
Esittelysivut koostuvat lähinnä kuvista. Suvuilla olevien enlanninkielisten
sanojen käännökset löytyvät ko. kielisivuilta.
Introduktionssiderne består hovedsageligt af billeder. For oversættelse af de
engelske tekster, se siderne for de respektive sprog.
393
M8
SIFEC - E - VR
393
363
SIFEC - E - VR
393
M8
SIFEC - W - VL - A
206
156
62
102
M8
M8
SIFEC - W - VR - A
206
156
62
102
SIFEC - E - VR
Sierra
Vertical mounting
L
[mm]
SIFEC20-V 2108
SIFEC25-V 2608
M8
FC Frico Control
393
363
2108/2608
Inside thread : 1", DN25
Top view of the top
Top view of the bottom
206
206
SIFEC - W - VL - A
156
62
102
SIFEC - W - VL - B SIFEC - W - VR - B
156
M8
FC FC
SIFEC - W - VR - A
M8
62
102
156
156
50
206
206
See Product key.
62
102
FC FC
62
102
3
Vertical mounting
M8
Note! The air curtain
must be secured in the
wall or ceiling.
Sierra
SIFEC- VL - A
FC Frico Control
PC board FC is integrated within the
air curtain at delivery.
Drilling template
Scale 1:1 on www.frico.net
156
206
Ø50
(2x)
254
Minimum distance
56
96
169
R46
(4x)
29040
180 mm
4
80 mm
Vertical mounting
Distance water connections - end
Sierra
D
[mm]
SIFEC20WL-V 50
SIFEC20WH-V 100
SIFEC25WL-V 210
SIFEC25WH-V 260
D
50
Removing the front Removing the inlet grill
3
2
1
5
151
117130
106
4xM8
140
194
L
363
393
Vertical mounting
Accessories
Sierra
Item
number
10234 SIFEH* SIFEC-V 1
10028 AXP300 SIFEC-V 1
330955 FH1025 SIFECW-V 2
Type Used for Consists
*See separate manual.
Extension hood SIFEH
of
SIFEH
AXP300
FH1025
6
Horizontal mounting
151
117130
106
4xM8
140
194
L
Sierra
393
117130
151
106
Inside thread : 3/4", DN20
L
194
140
4xM8
SIFEC10-H 1124
SIFEC15-H 1624
SIFEC20-H 2124
SIFEC25-H 2624
363
L
[mm]
FC Frico Control
SIFEC HL
PC board FC is integrated within the air curtain at delivery.
7
42
307
21
Horizontal mounting
SIFEC E: 200 mm
SIFEC W: 180 mm
Sierra
Removing the frontMinimum distance
Wall bracket SIFWB
140
Ø12
262
51
39
Ø12
36
8
Horizontal mounting
Accessories
Sierra
Item
number
251886 SIFWBB SIFEC-H 1
251887 SIFWBP SIFEC-H 1
251888 SIFWBMP SIFEC-H 1
18059 PA34CB15* SIFEC10/15-H 4
18060 PA34CB20* SIFEC20-H 6
18061 PA34CB30* SIFEC25-H 8
18062 PA34WS15* SIFEC10/15-H 4
18063 PA34WS20* SIFEC20-H 6
18064 PA34WS30* SIFEC25-H 8
18056 PA34TR15* SIFEC10/15-H 4
18057 PA34TR20* SIFEC20-H 6
18058 PA34TR30* SIFEC25-H 8
18065 PA34VD15* SIFEC10/15-H 4
18066 PA34VD20* SIFEC20-H 6
18067 PA34VD30* SIFEC25-H 8
237568 FH1020 SIFECW-H 2
Type Used for Consists
See separate manual.
of
SIFW
PA34TRPA34WS
PA34VDPA34CB
FH1020
Valve systems
Item
number
238293
238294
238295
238296
238297
See separate manual.
Type Dimension
VPFC15LF DN15 0,012-0,068
VPFC15NF DN15 0,024-0,13
VPFC20 DN20 0,058-0,32
VPFC25 DN25 0,10-0,60
VPFC32 DN32 0,22-1,03
valves
Flow range
[l/s]
VPFC
VKF
SDM
9
Sierra
Control systems
The air curtain must be supplemented with a control system.
FCDA - FC Direct FCSA - FC Smart
FCBC05FCDCFCCF
FCBC10FCDCFCCF
FCLAP
FCPA - FC Pro FCBA - FC Building
Item
number
74684
74685
74686
74687
FCBC10FCDCFCCF
Type Name Dimensions
FCDA
FCSA
FCPA
FCBA
FCLAP
FC Direct 89x89x26 mm (FCCF)
FC Smart 89x89x26 mm (FCCF)
FC Pro 89x89x26 mm (FCCF)
FC Building 89x89x26 mm (FCCF)
FCTXRF
Accessories
FCBC10FCDCFCCF
FCBAP
FCRTX
FCSC10
Item
number
74694
74695
74699
74702
17495
74718
74719
74720
74721
74722
74703
Type Dimensions
FCRTX
FCOTX
FCLAP
FCWTA SIFEC W
FCDC
FCBC05 5 m
FCBC10 10 m
FCBC25 25 m
FCSC10 10 m
FCSC25 25 m
FCTXRF for FC Smart, FC Pro
See separate manual for FC.
FCOTX
FCSC10
39x39x23 mm
39x39x23 mm
89x89x26 mm
89x89x26 mm
FCLAP
FCBC10
FCBC05/10/25
FCSC10/25
FCDCFCWTA
FCTXRF
10
SIFEC A
SIFEC10: 2 Motors
SIFEC15: 3 Motors
SIFEC20: 4 Motors
SIFEC25: 5 Motors
Sierra
MMM
ON
GND
BUS 1 BUS 2
+12V
HI
LO
GND
+12V
HI
LO
L PE
230V IN
N
PE
OFF
GND
A1 A2
Termination
GND
B1 B2 D1D2
FCBASEPCB REA
Trafo
Sensor
I1 I2 O1O2
Alarm
PWM
0-10V
Motor
GND
N
L
Motor
H1 H2N
Heating
NL
230V~
Wiring diagrams for control system in the FC manual.
Corinte SIFEC A
246951
11
SIFEC W
SIFEC10: 2 Motors
SIFEC15: 3 Motors
SIFEC20: 4 Motors
SIFEC25: 5 Motors
Sierra
MMM
Inlet sensor
Outlet sensor
ON
GND
BUS 1 BUS 2
+12V
HI
LO
GND
+12V
HI
LO
L
230V IN
N
PE
PE
OFF
GND
A1 A2
Termination
GND
B1 B2 D1 D2
FCBASEPCB RW
Trafo
Sensor
I1 I2 O1O2
Alarm
PWM
0-10V
Motor
GND
N
L
Motor
H1 H2N
Heating
NL
230V~
Wiring diagrams for control system in the FC manual.
12
SIFEC W
246950
Sierra
SIFEC10E / 15E
TS1
TS2
246952
SIFEC 10E/15E
LN
NL3L2L1
400V 3~ 230V 1~
K1
K2
MMM
L
230V IN
N
Tr afo
H1 H2N
PE
Heat ing
PE
Sensor
I1 I2 O1O 2
Inlet sen sor
Outlet sens or
A1 A2
B1B2 D1 D2
GND
GND
ON
Term ination
OFF
HI
LO
HI
+12V
GND
BUS 1 BUS 2
LO
GND
+12V
Motor
GND
0-10V
PWM
Al arm
FCBASEPCB REA
Motor
N
L
SIFEC10: 2 Motors
SIFEC15: 3 Motors
SIFEC20: 4 Motors
SIFEC25: 5 Motors
Wiring diagrams for control system in the FC manual.
13
SIFEC20E / 25E
TS3
TS4
Sierra
246953
SIFEC 20E/25E
K1
K2
LN
230V 1~
NL3L2L1
400 V 3~
MM
M
K1
TS2
TS1
K2
Sensor
I1 I2O1O2
In let sensor
Ou tle t sensor
A1 A2
B1B2 D1 D2
GND
GND
ON
Termination
OFF
Mot or
GND
0-10V
PWM
Alarm
Mot or
N
L
FCBASEPCB REA
Heati ng
H1 H2N
Trafo
HI
LO
HI
+12V
GND
BUS 1 B US 2
SIFEC10: 2 Motor s
SIFEC15: 3 Motor s
SIFEC20: 4 Motor s
SIFEC25: 5 Motor s
LO
GND
+12V
Wiring diagrams for control system in the FC manual.
14
L
230V IN
N
PE
PE
Product key
Sierra
A
B
HL HR
Type - Unit shape - Connections position - Material / Colour
Example: SIFEC20WL - VL - A - P
Type See Technical specications.
HL (Horizontal, connections on the left)
Unit shape
HR (Horizontal, connections on the right)
VL (Vertical left) or
VR (Vertical right) seen from inside
A
B
Connection position* A or B, see sketch
P = Polished stainless steel
B = Brushed stainless steel
Material / Colour
MP = Mirror polished stainless steel
State RAL code = Powder coating RAL
State NCS code = Powder coating NCS
Contact Frico before ordering for more information about the product and special adaptations.
EN Connection position*
SE Anslutningsposition
NO Tilkoblingsposisjon
DE Position der Anschlüsse
RU Место подключений
FR Position du raccord
ES Posición de la conexión
NL Positie aansluitingen
PL Położenie złączy
IT Posizione di collegamento
DK Tilslutningsposition
FI Liitäntöjen sijainnit
15
Technical specications
Sierra
1 Ambient, no heat - SIFEC A (IP20)
Type Output
[kW]
Airow*1
[m3/h]
Sound
power*2
[dB(A)]
Sound
pressure*3
[dB(A)]
Voltage motor: 230V~
Amperage
motor
[A]
Weight
[kg]
SIFEC10A-H 0 900/1850 77 46/61 2,3 44
SIFEC15A-H 0 1400/2750 79 48/63 3,2 54
SIFEC20A-H/V 0 1850/3600 82 48/66 4,1 63
SIFEC25A-H/V 0 2400/4500 83 49/67 5,1 72
3 Electrical heat - SIFEC E (IP20)
Type Output
steps
[kW]
Airow*1
[m3/h]
SIFEC10E8-H 2,7/5,5/8,1 900/1850 26/13 77 46/61 2,3 400V3~/11,7 48
SIFEC15E12-H 3,9/7,8/12 1400/2750 26/13 79 48/63 3,2 400V3~/16,9 62
SIFEC20E16-H/V 5,4/11/16 1850/3600 26/13 82 48/66 4,1 400V3~/23,4 75
SIFEC25E20-H/V 6,6/13/20 2400/4500 25/13 83 49/67 5,1 400V3~/28,6 89
∆t
[°C]
*4
Sound
power*2
[dB(A)]
Sound
pressure*3
[dB(A)]
Amperage
motor
[A]
Voltage [V]
Amperage [A]
(heat)
Weight
[kg]
2 Water heat - SIFEC WL (IP20)
Type Output*
H*
[kW]
5
7
V*8
[kW] [m3/h]
Airow*
SIFEC10WL-H 8,5 - 850/1700 19/15 - 2,0 77 46/61 2,3 63
SIFEC15WL-H 14 - 1250/2600 24/19 - 3,2 79 48/63 3,2 73
SIFEC20WL-H/V 21 21 1650/3300 24/19 24/19 4,3 82 48/66 4,1 82
SIFEC25WL-H/V 28 25 2200/4250 24/20 22/17 5,4 83 49/67 5,1 91
1
∆t
H*7
[°C]
*4,5
V*
[°C]
Water Sound Sound Amperage Weight
8
volume
[l]
power*2
[dB(A)]
pressure*3
[dB(A)]
motor
[A]
[kg]
2 Water heat - SIFEC WH (IP20)
Type Output*
H*
[kW]
6
7
V*8
[kW] [m3/h]
Airow*
SIFEC10WH-H 11 - 850/1700 24/18 - 1,1 77 46/61 2,3 59
SIFEC15WH-H 15 - 1250/2600 23/17 - 1,9 79 48/63 3,2 69
SIFEC20WH-H/V 20 28 1650/3300 24/18 32/25 2,5 82 48/66 4,1 78
SIFEC25WH-H/V 26 32 2200/4250 23/18 29/22 3,3 83 49/67 5,1 87
1
) Low/high airow (2V/10V).
*
*2) Sound power (LWA) measurements according to ISO 27327-2: 2014, Installation type E.
*3) Sound pressure (LpA). Conditions: Distance to the unit 5 metres. Directional factor: 2. Equivalent
absorption area: 200 m². At low/high airow (2V/10V).
*4) ∆t = temperature rise of passing air at maximum heat output and low/high airow (2V/10V).
*5) Applicable at water temperature 60/40 °C, air temperature, in +18 °C.
*6) Applicable at water temperature 80/60 °C, air temperature, in +18 °C.
*7) Horizontal mounting
*8) Vertical mounting
5,6
*
) See www.frico.net for additional calculations.
1
*4,6
∆t
H*7
[°C]
V*
[°C]
Water Sound Sound Amperage Weight
8
volume
[l]
power*2
[dB(A)]
pressure*3
[dB(A)]
motor
[A]
[kg]
16
Sierra
Installation and operating instructions
EN
General Instructions
Read these instructions carefully prior to
installation and use. Keep this manual for
future reference.
The product may only be used as set out in
the assembly and operating instructions. The
guarantee is only valid should the product be used
in the manner intended and in accordance with
the instructions.
Application
Sierra creates an ecient temperature dividing
air barrier in door openings. The recommended
installation width of Sierra is 5 m with air
curtains mounted on both sides of the opening
and its recommended installation height is
3,5 m. The air curtain is available without heat,
with electrical heating and with water heating.
Protection class: IP20.
Operation
Air is drawn in at the top/rear of the unit and
blown downwards/outwards shielding the
door opening and minimizing heat loss. To
achieve the optimum air curtain effect the unit
must extend the full height/width of the door
opening.
The grille for directing the outlet air is
adjustable and is normally angled outwards to
achieve the best protection against incoming
air.
The eciency of the air curtain depends on
the air temperature, the pressure differencial
across the doorway and any wind load.
NOTE! Negative pressure in the building
considerably reduces the eciency of the air
curtain. The ventilation should therefore be
balanced.
Mounting
The air curtain range includes units for vertical
and horizontal installation. The product must
be mounted in such a way to allow future
service and maintenance. Ensure that the
front is accessible and can be fully opened. A
distance of 80 mm is required to remove the
front.
When mounting a product in stainless steel,
the protective plastic shall remain on the
product. The plastic is removed only when
mounting and installation are completed. Be
careful to not damage the surfaces.
Vertical mounting
The air curtain is mounted vertically as close
as possible to the door. For the best effect air
curtains should be placed on both sides of the
opening.
The air curtain is installed on adjustable feet
which makes it possible to compensate for
any surface undulations. The feet are attached
to the oor with fasteners appropriate to the
surface and covered by a frame. Fasteners are
not included. A drilling template for the oor
is included in delivery and also available at
www.frico.net.
Note! The air curtain must be secured in the
wall or ceiling. The M8 press nut on the top of
the unit is used for this, see gure.
The extension hood (accessory) lls the space
between the unit and the ceiling and provides a
neater installation.
See the introduction pages.
Horizontal mounting
The air curtain is installed horizontally with the
outlet air grille facing downwards as close to
the door as possible. Minimum distance from
outlet to oor for electrically heated units is
1800 mm. For other minimum distances, see g.
Mounting with wall brackets
Wall brackets SIFW are available as accessories.
Two brackets are required for each unit.
Horizontal mounting on the ceiling
Threaded rods, wire suspension kits and ceiling
brackets for ceiling mounting are available as
accessories.
Opening the vertical unit
To proceed with electrical and water
connections, the front must be removed. See
the introduction pages. For a better accessibilty,
the inlet grille and the cover panel behind it can
also by removed as well as the back of the unit.
• Disconnect the power supply.
Removing the front
• Remove the 4 screws accessibles through the
outlet grill.
• Open the front and pull it sideways/outwards
to remove it.
17
EN
Sierra
Removing the inlet grille
• Remove the screw at the lower end of the
grille.
• Pull the grille upwards to unhatch it and then
outwards to remove it.
Removing the cover panel behind the inlet grill
• Remove the 2 screws of the panel.
• Remove the panel carefully, not to damage
the sensor attached to it.
Opening the horizontal unit
To proceed with electrical connections, the
front must be removed. See the introduction
pages.
• Disconnect the power supply.
Removing the front
• Remove the screws accessible through the
outlet grill (SIFEC10/15: 2 screws, SIFEC20/25:
4 screws).
• Open the front and pull it outwards/upwards
to remove it.
Removing the inlet grille
• Pull the grille upwards to remove it.
Electrical installation
The installation, which should be preceded by
an isolator switch with a contact separation
of at least 3 mm, should only be wired by a
competent electrician and in accordance with
the latest edition of IEE wiring regulations.
The air curtain has an integrated PC board
which is connected to the selected external
control system FC. FC must be ordered
separately. FC is supplied pre-programmed.
Communication- and sensor cables are
connected to the PC board.
Should more than one air curtain be
controlled by a single FC, an additional
communication cable FCBC per unit will be
required. See manual for FC.
Vertical mounting
Control is supplied by 230V~ to the terminal
block. The PC board is accessed via cable glands
on the top or bottom of the unit. Pierce the
gland with a screwdriver before entering the
cable. If necessary, the cables can be routed
through the unit. Bundle the cables inside the
unit to prevent that they will be drawn into
the fans or get in contact with the heating
elements.
For units with electrical heating, the power
supply for heating (400V3~) is connected to
the terminal block. Power and control must be
supplied separately. The electrical connection
is made on the top or bottom of the unit
depending on selection. See product key.
Connections made from below the unit
must be prepared in the oor according to
the drawing. A drilling template for the oor
is included in delivery and also available at
www.frico.net.
Horizontal mounting
The electrical connection is made on the top
of the unit. Pierce the gland with a screwdriver
before entering the cable. Control is supplied
by 230V~ to the terminal block.
For units with electrical heating, the power
supply for heating (400V3~) is connected to
the terminal block. Power and control must be
supplied separately.
The largest cable diameter for the terminal
block is 16 mm². The cable glands used must
meet the protection class requirements. In the
distribution board, it is to be indicated that ”the
air curtains can be supplied from more than
one connection”.
Type Output Voltage Minimum
Control
SIFEC10E8 8 400V3~ 2,5
SIFEC15E12 12 400V3~ 4
SIFEC20E16 16 400V3~ 6
SIFEC25E20 20 400V3~ 10
*) Dimensioning of external wiring shall comply with
applicable regulations and local deviations may occur.
[kW]
0 230V~ 1,5
[V]
area*
[mm2]
Start-up (E)
When the unit is used for the rst time or after
a long period of non-use, smoke or an odour
may result from dust or dirt which has collected
on the element. This is completely normal and
disappears after a short time.
18
Sierra
EN
Connecting the water coil (W)
The installation must be carried out by an
authorised installer.
The water coil has copper tubes with
aluminium ns and is suitable for connection
to a closed water heating system. The heating
coil must not be connected to a mains pressure
water system or an open water system.
Note that the unit shall be preceded by a
regulating valve, see Frico valve kit.
Valves must be installed outside the unit.
Note that the actuator needs power supply and
control signal from the integrated PC board.
NOTE: Care must be taken when connecting
the pipes. Use a pipe wrench or a similar
tool to grip the air curtain connections to
prevent straining of the pipes and subsequent
water leakage during connection to the water
supply pipe-work.
The connections to the heating coil must be
equipped with shut off valves to allow trouble-
free removal.
A vent valve should be connected at a high
point in the pipe system. Flexible hoses are
available as accessories.
Vertical mounting
The water coil is connected on the top or the
bottom of the unit via connections DN25 (1’’),
internal thread. See product key.
Connections made from below the unit
must be prepared in the oor according to
the drawing. A drilling template for the oor
is included in delivery and also available at
www.frico.net. Note the distance between the
water connections and the end of the unit. See
the introduction pages.
Horizontal mounting
The water coil is connected on the top of the
unit via connections DN20 (3/4’’), internal
thread.
Adjustment of the air curtain and airow
The direction and speed of the airow should
be adjusted considering the load on the
opening. Pressure forces affect the airstream
and force it inwards towards the premises
(when the premises are heated and the
outdoor air is cold).
The airstream should, therefore, be directed
outwards to withstand the load. Generally
speaking, the higher the load, the greater the
angle required.
Basic setting fan speed
The fan speed when the door is open is
set using the control. Note that the airow
direction and the fan speed may need ne
adjustment depending on the loading of the
door.
Filter (W)
The water coil is protected against dirt and
blockage by an internal air lter which covers
the coil face.
Service, repairs and maintenance
For all service, repair and maintenance rst
carry out the following:
1. Disconnect the power supply.
2. See previous section on how to remove front,
inlet grill and cover panel behind it.
3. After service, repairs and maintenance fasten
the parts that have been removed.
Maintenance
Unit with water heating
The appliance lter should be cleaned regularly
to ensure the air curtain effect and heat
emission from the device. How often depends
on local circumstances. A clogged lter is not a
risk, but the appliance function can fail.
1. Disconnect the power supply.
2. Remove the inlet grill to acces the lter.
3. Remove the lter and vacuum clean or wash
it. If the lter is clogged or damaged, it may
need to be changed.
All units
Since fan motors and other components are
maintenance-free, no maintenance other than
cleaning is necessary. The level of cleaning can
vary depending on local conditions. Undertake
cleaning at least twice a year. Inlet and exhaust
grilles, impeller and elements can be vacuum
cleaned or wiped using a damp cloth. Use a
brush when vacuuming to prevent damaging
sensitive parts. Avoid the use of strong alkaline
or acidic cleaning agents.
Temperature control
Temperature control of FC maintains the
exhaust temperature. Should the temperature
exceed the preset value, the overheating alarm
will activate. For more information see the FC
manual.
19
EN
Sierra
Overheating
The air curtain unit with electrical heating is
equipped with an overheat protection. If it is
deployed due to overheating, reset as follows:
1. Disconnect the power supply with the isolator
switch.
2. Allow the electrical coil to cool.
3. Determine the cause of overheating and
rectify the fault.
4. Reconnect the unit.
Replacing heating elements/heating
package (E)
1. Mark and disconnect the cables to the
heating elements/package.
2. Remove the mounting screws securing the
heating elements/package in the unit and lift
the heating elements/package out.
3. Install the new heating elements/package in
reverse order to the above.
Replacing the water coil (W)
1. Shut off the water supply to the unit.
2. Disconnect the connections to the water coil.
3. Remove the mounting screws securing the
coil in the unit and lift out.
4. Install the new coil in reverse order to the
above.
Safety cut-out
All motors are equipped with an integrated
safety cut-out. This will operate, stopping the
air curtain should the motor temperature rise
excessively or the electronics fail or overheat.
The cut-out will automatically reset when the
motor temperature has returned to within the
motor’s operating limits. Failure or damage to
electronics components may require repair or
replacement of such components or the entire
product.
Fan replacement
To access the fans, the L-shaped prole must
be removed by loosening its screws.
1. Determine which of the fans is not
functioning.
2. Disconnect the cables from the relevant fan.
3. Remove the screws securing the fan and lift
the fan out.
4. Install the new fan as above in reverse order.
Replacing the PC board
1. The PC board is located in the terminal box.
2. Mark and disconnect the cables to the PC
board.
3. Unhatch the board from its PCB snap-in
spacers and lift out.
4. Install the new PC board as above in reverse
order.
Troubleshooting
If the fans are not running or do not perform
properly, check the following:
• The power supply.
• That the intake grille/lter is not dirty.
• That the motor's safety cut-out has not been
deployed.
• Functions and settings of the FC control
system, see the FC manual.
If there is no heat, check the following:
• Functions and settings of the FC control
system, see the FC manual.
For units with electrical heating, also check the
following:
• Power supply to electric heater coil; check
fuses and circuit-breaker (if any).
• That the overheat protection has not been
deployed.
For units with a water coil, also check the
following:
• That the water coil is air free.
• That there is sucient water ow and
pressure.
• That incoming water is heated adequately.
If the fault cannot be rectied, please contact a
qualied service technician.
Residual current circuit breaker (E)
When the installation is protected by means of
a residual current circuit breaker, which trips
when the appliance is connected, this may be
due to moisture in the heating element. When
an appliance containing a heater element has
not been used for a long period or stored in
a damp environment, moisture can enter the
element.
20
Sierra
EN
This should not be seen as a fault, but is
simply rectied by connecting the appliance to
the main supply via a socket without a safety
cut-out so that the moisture can be eliminated
from the element. The drying time can vary
from a few hours to a few days. As a preventive
measure, the unit should occasionally be run
for a short time when it is not being used for
extended periods of time.
Packaging
Packaging materials are chosen with
consideration to the environment and are
therefore recyclable.
Handling of product at end of working
life
This product may contain substances necessary
for the functionality of the product but
potentially dangerous for the environment. The
product should not be disposed of mixed with
general household waste but delivered to a
designated collection point for environmental
recycling. Please contact the local authority
for further details of your nearest designated
collection point.
Safety
• For all installations of electrically heated
products a residual current circuit breaker
300 mA for re protection should be used.
• Keep the areas around the air intake and
exhaust grilles free from possible obstructions!
• The unit must not be fully or partially covered as
overheating can result in a re risk!
• Lifting equipment must be used to lift the unit.
• This appliance can be used by children aged
from 8 years and above and persons with
reduced physical, sensory or mental capabilities
or lack of experience and knowledge if they
have been given supervision or instruction
concerning use of the appliance in a safe way
and understand the hazards involved. Children
shall not play with the appliance. Cleaning and
user maintenance shall not be made by children
without supervision.
• Children of less than 3 years should be kept
away unless continuously supervised.
• Children aged from 3 years and less than 8
years shall only switch on/off the appliance
provided that it has been placed or installed
in its intended normal operating position and
they have been given supervision or instruction
concerning use of the appliance in a safe way
and understand the hazards involved.
• Children aged from 3 years and less than 8
years shall not plug in, regulate and clean the
appliance or perform user maintenance.
CAUTION — Some parts of this product can
become very hot and cause burns. Particular
attention has to be given where children and
vulnerable people are present.
21
Main offi ce
Frico AB Tel: +46 31 336 86 00
Industrivägen 41
SE-433 61 Sävedalen mailbox@frico.se
Sweden www.frico.net
For latest updated information and information
about your local contact: www.frico.net.
Art.no 190512, 2021-02-15 CH
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