Flexit EcoNordic WH4 User manual

ASSEMBLY INSTRUCTIONS
Indoor Climate Central
ART.NO. 800501, 800502
116926EN-07
2020-01
INSTALLATION
INSTRUCTIONS
EcoNordic
WH4/W4
INSTRUCTIONS TRANSLATED FROM ORIGINAL LANGUAGE
Flexit
GO

2
ECONORDIC WH4/W4
Contents
1. General ..........................................................................................................................5
1.1. Disclaimer...........................................................................................................5
1.2. Warranty.............................................................................................................5
1.3. Manufacturer .....................................................................................................5
1.4. Service and support ..........................................................................................5
1.5. Disposal ..............................................................................................................5
1.6. Validation............................................................................................................5
2. Safety .............................................................................................................................6
2.1. Symbols and stickers.........................................................................................6
2.2. Warnings in the manual....................................................................................6
2.3. General safety rules ..........................................................................................7
3. Transport.......................................................................................................................9
3.1. Components included.......................................................................................9
3.1.1. Supplied in tank module..................................................................... 10
3.1.2. Supplied in chassis module ................................................................ 10
3.1.3. Supplied in ventilation module .......................................................... 10
3.1.4. Supplied in heat pump module ......................................................... 10
4. Before assembly........................................................................................................ 11
4.1. Checklist........................................................................................................... 11
4.2. System overview W4 ...................................................................................... 12
4.3. System overview WH4.................................................................................... 13
4.4. Overview/diagrams for electricity ................................................................ 14
4.5. Overview/diagrams for water ....................................................................... 15
4.6. Overview/diagrams for ventilation............................................................... 16
5. Assembly ....................................................................................................................17
5.1. Assembly of modules..................................................................................... 18
5.1.1. Prerequisites......................................................................................... 18
5.1.2. Instructions........................................................................................... 18
5.2. Assembly of ventilation ducts ....................................................................... 25
5.2.1. Prerequisites......................................................................................... 25
5.2.2. Instructions........................................................................................... 25
5.3. Electrical installation ...................................................................................... 26
5.3.1. Before you start ................................................................................... 26
5.3.2. Internet access ..................................................................................... 26
5.3.3. If accessories are used ........................................................................ 26
5.3.4. Circuit diagram and conversion, electricity ...................................... 26
5.3.5. Prerequisites......................................................................................... 27
5.3.6. Control and accessories...................................................................... 27
5.3.7. Connection of a frost protection damper......................................... 28
5.3.8. Voltage supply ...................................................................................... 28
5.4. Water and pipe work...................................................................................... 29
5.4.1. Water pressure..................................................................................... 29
5.4.2. Water quality ....................................................................................... 29
5.4.3. Water connections............................................................................... 29
5.4.4. Drainage................................................................................................ 29
5.5. Connecting the heating system WH4........................................................... 30
5.5.1. Installation ............................................................................................ 30
5.5.2. Dimensioning ....................................................................................... 30
6. Commissioning.......................................................................................................... 31
6.1. Prior to commissioning.................................................................................. 31
6.2. Connection ...................................................................................................... 32
6.2.1. No network available........................................................................... 32
6.2.2. Network available ................................................................................ 32
6.3. Connect to the product.................................................................................. 34
6.4. Start-up Guide................................................................................................. 35

3
ECONORDIC WH4/W4
7. Adjustment................................................................................................................. 38
 6\VWHPGL΍HUHQFHVEHWZHHQ$QGURLGDQGL26 ........................................... 38
7.2. Initial adjustment, ventilation ....................................................................... 38
7.3. Settings, heating ............................................................................................. 41
8. Final check.................................................................................................................. 42
9. Technical data............................................................................................................ 43
9.1. Air capacity and sound data.......................................................................... 44
9.1.1. Air intake side....................................................................................... 44
9.1.2. Air outlet side ....................................................................................... 44
9.1.3. Correction factor for Lw...................................................................... 45
9.2. Pump capacity................................................................................................. 46
9.3. Nipple location................................................................................................ 46
10. Dimensions ................................................................................................................ 47
10.1. Tank module ................................................................................................... 48
10.2. Chassis module............................................................................................... 48
10.3. Ventilation module ......................................................................................... 48
10.4. Heat pump module ........................................................................................ 48
11. EU Declaration of Conformity for CE marking....................................................... 49

4
ECONORDIC WH4/W4

1.5. Disposal
The product is covered by warranty as stated in the
current conditions of sale, provided that the product
has been used and maintained correctly. Filters are
consumable material.
The symbol on the product indicates that it
must not be treated as household waste.
Instead, it should be taken to a recycling centre
that accepts electrical and electronic
equipment. By disposing of the product
correctly, you contribute to preventing the negative
consequences to health and the environment that may
result from incorrect treatment. For further information
concerning the recycling of the product, contact your
local authority, recycling centre or place of purchase.
Claims arising from faulty or inadequate installation
should be made to the installation company responsible.
The warranty may be invalidated by incorrect use or
gross negligence in the maintenance of the unit.
1.6. Validation
This user manual applies to EcoNordic WH4 and W4.
1. General
Read these instructions carefully before using the unit.
Keep the instructions for future use.
1.1. Disclaimer
NB
In order for the warranty to be
valid, these instructions must be
followed.
i
FLEXIT’s products are subject to ongoing development
and we therefore reserve the right to modify
FRPSRQHQWVVSHFLȴFDWLRQVDQGWKHFRQWHQWVRIWKHVH
instructions without prior notice.
FLEXIT is not responsible or bound by warranty if
these instructions are not followed during installation,
operation or servicing.
FLEXIT guarantees the correct functioning of the unit
RQO\ZLWKRULJLQDORUVSHFLȴHGFRPSRQHQWV
We are not responsible for any typographical errors
that may arise.
1.2. Warranty
The product must be assembled exactly as instructed,
otherwise the warranty will not be valid.
1.3. Manufacturer
Flexit AS, Televeien 15, N-1870 Ørje, Norway
ZZZȵH[LWFRP
1.4. Service and support
For questions concerning support, contact Flexit.
5
ECONORDIC WH4/W4

2. Safety
2.1. Symbols and stickers
A number of symbols are used for these products.
They are used both for labelling the product itself
and in the installation and user documentation.
Danger - do not touchDanger:
Electrical current
Drainage Outgoing
water
Incoming
water
Stickers in the product
Symbols on the product
Extract air
Outdoor airSupply air
Exhaust air
2.2. Warnings in the manual
The following types of instruction are used in the user
manual.
!
DANGER
$WH[WȴHOGZLWKWKLVFRORXUPHDQV
that life-threatening or serious
injury may result if the instructions
are not observed.
!
WARNING
$WH[WȴHOGZLWKWKLVFRORXUPHDQV
that damage may result if the
instructions are not observed.
!
CAUTION
$WH[WȴHOGZLWKWKLVFRORXUPHDQV
WKDWSRRUHɝFLHQF\RURSHUDWLRQDO
problems with the product may
result if the instructions are not
observed.
NB
$WH[WȴHOGZLWKWKLVFRORXU
means that it contains important
information.
i
6
ECONORDIC WH4/W4

2.3. General safety rules
These safety rules must be followed when you use and
maintain the system. Failure to follow them may result in
injury, death or damage to the equipment.
!
DANGER
It is the responsibility of
the installer to carry out a
comprehensive safety and function
check of the unit.
!
DANGER
All electrical connections must
EHFDUULHGRXWE\DTXDOLȴHG
electrician.
!
DANGER
The product must not be used for
the extraction of combustible or
ȵDPPDEOHJDVHV
!
WARNING
All pipe installation work must be
GRQHE\DTXDOLȴHGSOXPEHU
!
WARNING
The product should be placed
in a room with a drain.
!
WARNING
The incoming water pressure
should not exceed 0.45/4.5 MPa/
bar. If the water pressure exceeds
0.45/4.5 MPa/bar, a pressure
reduction valve (with check valve)
must be installed.
!
CAUTION
Tumble driers must not be
connected to the unit.
7
ECONORDIC WH4/W4

8
ECONORDIC WH4/W4

3. Transport
3.1. Components included
10-628611
2018-04
10-628611
2018-04
10-628611
2018-04
10-628611
2018-04
A
B
C
D
E
F
2017 812/2013
ENERG
енергия
•
ενεργεια
52 dB
A
+
Flexit EcoNordic W4
XL
A
+
dB
1405
1 298
1091
kWh/annum GJ/annum
A
B
C
D
E
F
2017 812/2013
ENERG
енергия
•
ενεργεια
52 dB
A
+
Flexit EcoNordic W4
XL
A
+
dB
1405
1 298
1091
kWh/annum GJ/annum
A
B
C
D
E
F
2017 812/2013
ENERG
енергия
•
ενεργεια
52 dB
A
+
Flexit EcoNordic W4
XL
A
+
dB
1405
1 298
1091
kWh/annum GJ/annum
A
B
C
D
E
F
2017 812/2013
ENERG
енергия
•
ενεργεια
52 dB
A
+
Flexit EcoNordic W4
XL
A
+
dB
1405
1 298
1091
kWh/annum GJ/annum
116819-01
2018-04
VEILEDNING • ANVISNING • INSTRUCTION
EcoNordic
3~230V
• 3-pols lask fjernes.
• SROVODVNȵ\WWHVPRWYHQVWUHWLO
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YLVW
• 7RPHGIºOJHQGHODVNHUVHWWHVS§
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YLVW
• 5HPRYHWKHSROHMXPSHUEDU
• 0RYHWKHSROHMXPSHUEDUWRWKH
OHIWWRWKHRUDQJHDQGJUD\EORFNV
DVVKRZQ
• 7ZRVXSSOLHGMXPSHUEDUVDUH
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EORFNVDVVKRZQ
/DVNȵ\WWHVPRWKº\UHWLORUDQJHRJ
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VKRZQ
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9HWLNHWWHQ
6WLFNWKHEOXH9ODEHORQWKHUHG9
ODEHO
)OH[LW$6
ZZZȵH[LWQR
230 V
MONTERINGSVEILEDNING
Inneklimasentral
EcoNordic WH4/W4
ART.NR. 800501, 800502
NO
116926NO-02
2018-08
Flexit
GO
VEILEDNING PÅ ORIGINALSPRÅK
BRUKERVEILEDNING
Inneklimasentral
EcoNordic WH4/W4
ART.NR. 800501, 800502
NO
116972NO-02
2018-08
Flexit
GO
VEILEDNING PÅ ORIGINALSPRÅK
a) Navn eller varemerke: Flexit
b) Modellbetegnelse: EcoNordic W4 Art.nr. 800502
c) XL
d) A+
(gjennomsnittlig klimaforhold)
e)
oppvarming av vann:
129 %
(gjennomsnittlig klimaforhold)
f) Årlig strømforbruk: 1 298 kWh
(gjennomsnittlig klimaforhold)
g) n.a.
h) Referansetemperatur,
varmtvann: 65°C
i) 52 dB(A)
j) Mulighet for drift kun i perioder
med lav belastning: Nei
k) Forholdsregler:
montering, installasjon og vedlikehold
er beskrevet i bruker- og monterings-
veiledningen.
Les og følg instruksjonene.
l) Intelligent styring: Nei
m)
oppvarming av vann:
119 % (kaldere klimaforhold)
153 % (varmere klimaforhold)
n) Årlig strømforbruk: 1 405 kWh (kaldere klimaforhold)
1 091 kWh (varmere klimaforhold)
Flexit EcoNordic
812/2013 Energimerkingsforordningen
814/2013 Økodesignforordningen
116635NO-01
2018-04
Dettedokumentet beskriver:
KOMISJONSFORORDNING(EU) 812/2013 av 18. februar 2013
omutfylling av europaparlaments- og rådsdirektiv 2010/30/EU når det gjelder energimerking av
varmtvannsberedereog lagringstanker samt kombinasjonsløsninger med varmtvannsbereder og
solfangersystem.
KOMISJONSFORORDNING(EU) 814/2013 av 2. august 2013
omgjennomføring av europaparlaments- og rådsdirektiv 2009/125/EF når det gjelder krav til
miljøvennligutforming av varmtvannsberedere og lagringstanker.
A
B
C
D
E
F
2017 812/2013
ENERG
енергия
•
ενεργεια
52 dB
A
+
Flexit EcoNordic W4
XL
A
+
dB
1405
1 298
1091
kWh/annum GJ/annum
1
12
12
11
9
10
18
14
15
16
19
17
4
6
5
8
7
3
2
3 4
13
9
ECONORDIC WH4/W4

3.1.1. Supplied in tank module
EcoNordic WH4 EcoNordic W4
Item Description Number Item number Item number
1 Circuit diagram, electricity 1 116860 116861
2 Assembly instructions 1 116926 116926
3 User manual 1 116927 116927
4 Eco design document 1 116835 116835
5 Eco design label 1 116826 116826
6 Conversion 3N~400 V-3~230V 1 116819 116819
7 Label 230V 1 100006 100006
8 Jumper 1 116313 116313
3.1.2. Supplied in chassis module
Item Description Number Item number Item number
9 Door 1 116999 116999
10 Side wall 1 116231 116231
11 8SURȴOH 3 116230 116230
12 8SURȴOHZLWKGRRUODWFK 1 116230 / 116905 116230 / 116905
13 Self-tapping screw 17 115593 115593
3.1.3. Supplied in ventilation module
Item Description Number Item number Item number
14 Cable tie 4 110549 110549
3.1.4. Supplied in heat pump module
Item Description Number Item number Item number
15 Drainage plug 1 116622 116622
16 Gasket 1 116623 116623
17 Self-tapping screws 5 115593 115593
18 Venting hose 1 116727 116727
19 Cable tie 2 116986 116986
10
ECONORDIC WH4/W4

4. Before assembly
4.1. Checklist
The following list contains the conditions necessary for
mounting and installation.
Use the checklist to ensure quality.
For further information, see manual:
Planning and preparatory work.
Checklist for installation
Explanation Check
Are all modules in place? Tank module, ventilation module, ventilation chassis and heat pump
ΖVWKHUHVXɝFLHQWVSDFHDURXQGWKHSURGXFWWRDOORZLWWREHDVVHPEOHG"6HHNDS$VVHPEO\
Has the location of all external electrical connections been decided?
Have all ventilation ducts been laid to the product?
+DVDQH[WHUQDOGDPSHUEHHQȴWWHGWRWKHGUDLQDJHRURXWGRRUDLUGXFWWRWKHKHDWSXPS"
Has cabling for the damper been laid to the product?
Is there a drain available in the same room as the product?
If not, is there a drain in an adjacent room that can be used?
Have you checked with the project manager that all applicable installation requirements have been met?
Addition for WH4:
Is there room to install the heating circuit in the product’s installation room or on the exterior of the product?
Installation notes
11
ECONORDIC WH4/W4

4.2. System overview W4
FI1
FI2
B4 B6
P2
F10
F20
B32
B30 B31
P1
M22
B1
EB1
M6
M14
M1
M2
M3
M8
B10
B16
B11
EB10
EB11
M31
B14 B15
M20
F15
M23
B3
HR-R
Pos. Beskrivelse
B1 Temperature sensor, supply air
B3 Temperature sensor, extract air
B4 Temperature sensor, outdoor air
B6 Temperature sensor, exhaust air
B10 Temperature sensor, upper part of
tank
B11 Temperature sensor, middle of tank
B12 (WH4) Temperature sensor, heating
system feed
B13 (WH4) Temperature sensor, heating
system return
B14 Temperature sensor, electric heating
battery (FTH)
B15 Temperature sensor, from tank to
heat pump
B16 Temperature sensor, lower part of
tank
B30 Temperature sensor, HP water outlet
B31 Temperature sensor, HP water inlet
B32 Temperature sensor, HP air inlet
M1 Supply air fan
M2 Extract air fan
M3 Rotor motor
M6 Exhaust air damper
M8 Heat pump damper
M11 (WH4) Regulating valve DHW / heating
system
M12 (WH4) Shuttle valve tank / heat pump
M13 (WH4) Circulation pump heating
system
M14 Frost protection damper
M20 Compressor
M22 Fan HP
M23 Expansion valve HP
M31 Circulation pump primary circuit
F10 Overheating thermostat EB1
F15 Overheating thermostat electric
element (FTH), manual reset
F20 Overheating thermostat EB1
EB Heating battery, electric
EB10/
EB11
Water heater, electric
FI1 2XWGRRUDLUȴOWHU
FI2 ([WUDFWDLUȴOWHU
P1 Pressure sensor, supply air
P2 Pressure sensor, extract air
HR-R Rotary wheel-type heat exchanger
12
ECONORDIC WH4/W4

4.3. System overview WH4
FI1
FI2
B4 B6
P2
F10
F20
B32
B30 B31
P1
M22
B1
EB1
M6
M14
M1
M2
M3
M8
B10
B16
B11
EB10
EB11
B14
B15
B13
B12
M31
M12M11
M13
M20
F15
M23
B3
HR-R
13
ECONORDIC WH4/W4

14
ECONORDIC WH4/W4
4.4. Overview/diagrams for electricity
3
6
5
4
7
1
12
9
10
2
11
13
8
The unit can be converted for 230 V, 3-phase
Item Designation
1 Connection for external control etc.
2 Battery
3 Damper motors
4 Air intake fan
5 Rotor
6 Air outlet fan
7 Control centre for ventilation and water
8 Connection box for module connection
Item Designation
9 Control unit for heat pump
10 Electrical connections for heat pump
11 Voltage connection / control unit
12 Circulation pump primary circuit
13 Flow through heater
14 Regulating valve DHW / heating system
15 Shuttle valve tank / heat pump
16 Circulation pump heating system
Tank module WH4Tank module W4
12
11
13
14
15
16

15
ECONORDIC WH4/W4
4.5. Overview/diagrams for water
3
6
5
2
1
4
7
12
89
10
11
Item Designation
1 Air extraction
2 Water connection for heat pump
3 Connection for drainage hose
4 Pipe system
5 Hot water tank
6 Circulation pump
7 Electric water heater
8 External water connections
Tank module WH4Tank module W4
Item Designation
96KXWR΍YDOYH
10 'UDZR΍YDOYH
11 Safety valve
12 Drainage cup for draining and safety valve
13 Circulation pump heating system
14 Plate heat exchanger
15 Regulating valve DHW / heating system
16 Shuttle valve tank / heat pump
6
9
2
1
4
7
12
8
3
13
14
15
16
10
11
5

4.6. Overview/diagrams for ventilation
1
2
4
5
8
3
7
6
5
Item Designation
1 Air connections
2([WUDFWDLUȴOWHU
3 Post-heating battery
46XSSO\DLUȴOWHU
5 Damper
6 Air intake fan
7 Rotor
8 Air outlet fan
16
ECONORDIC WH4/W4

500 mm
20 mm
20 mm
3
2
4
1
0m
0m
500
0m
0m
0m
5. Assembly
7KHSURGXFWLVDVVHPEOHGRQWKHȵRRU
Assemble in the following order:
17
ECONORDIC WH4/W4

5.1. Assembly of modules
!
WARNING
Risk of cuts.
Wear protective gloves during
assembly.
NB
Before beginning assembly, make
sure that the doors on module 1
and module 3 have been removed.
i
5.1.1. Prerequisites
Number of persons
2
Time
45 min.
Tools
Screwdriver and TX20 bits
Wrench, 24 mm
Wrench, 8 mm
Spirit level
1. 2.
1
3
1.
2.
2.
1
1
2
3
5.1.2. Instructions
18
ECONORDIC WH4/W4

54
76
98
19
ECONORDIC WH4/W4

3
10
12
11
13
1514
20
ECONORDIC WH4/W4