2VV HRFL2 User manual

ver.3 29-04-20
HRFL2
Installation and operation
Manual
EN

23
2 VV. Creating innovative solutions for you and your business since 1995.
ver.3 29-04-20
1. BEFORE STARTING 3
2. UNPACKING 4
3. MAIN COMPONENTS 5
4. DIMENSIONS 6
5. TECHNICAL PARAMETERS 7
6. INSTALLATION 9
7. COMMISSIONING 24
8. MAINTENANCE 25
9. TROUBLESHOOTING 26
10. SERVICE 30
11. WIRING DIAGRAM 31
41. CONCLUSIONS 40

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2 VV. Creating innovative solutions for you and your business since 1995.
ver.3 29-04-20
1. BEFORE STARTING
The following symbols can be found in this manual for a better orientation.
The symbols and their meaning are in the following table.
Symbol Meaning
Before connecting, read carefullySafe operation of the ventilation unit, where you will
nd instructions for the proper and safe use of the product.
Warning or notice
Important instructions
Practical tips and information
Detailed technical information
Reference to another point/section of the man-
ual
This manual includes important instructions for the safe connection of the ventilation unit. Before connect-
ing the unit, read carefully and observe all the following instructions. The manufacturer reserves the right
to make changes, including in the technical documentation, without prior notice. Keep this manual for fu-
ture use. Consider this manual as part of the product.
ATTENTION!
READ CAREFULLY!
YOU WILL NEED
TECHNICAL DATA
DECLARATION OF CONFORMITY
The product has been designed, produced an marketed in compliance with all the applicable provisions,
and abides to the guidelines of the European Parliament and Council, including the amendments under
which it has been classied. It is safe under normal conditions and under the conditions laid down herein.
The assessment was conducted pursuant to harmonized European standards included in the relevant EC
Declaration of Conformity.
The current and full version of the EC Declaration of Conformity can be found at www.2vv.cz

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2 VV. Creating innovative solutions for you and your business since 1995.
ver.3 29-04-20
HRFL2
2. UNPACKING
2.1 CONTROL THE DELIVERY 2.2 UNPACK THE UNIT
READ CAREFULLY!
READ CAREFULLY!
● Controldepackagingfordamagesimmediately
upondelivery.Incaseofdamageinthepack-
aging, notify the carrier. If a complaint is not
submittedinduetime,itwillbedisregarded.
● Controlwhethertheproductcorrespondstothe
order.Ifitdoesn’t,donotunpackitandcontact
thesupplierimmediately.
● After unpacking, check the condition of the
unitandallthecomponentsthereof.Incaseof
doubt,contactthesupplier.
● Donotuseadamagedunit.
● Iftheunitisn’tunpackedupondelivery,storeit
indoors,inadryplace,attemperaturesranging
from+5°Cto+35°C.
● Ifduringtransporttheunitwasexposedtotem-
peratureslowerthan0°C,leaveitunpackedfor
atleasttwohoursatroomtemperaturebefore
connectingitinordertolevelthetemperature
insidetheunit.
The product must be disposed
of pursuant to the local
regulations.
The product contains batteries
that must be recycled or
disposed of apart from the
common waste.
When the batteries or the
product reach the end of
their lifespan, contact the
distributor or the local
authorities for recycling.
The separate collection and
recycling of product and
batteries contribute with the
care of natural resources
and ensures that they will be
recycled in a health-conscious
and environmentally friendly
manner.




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2 VV. Creating innovative solutions for you and your business since 1995.
ver.3 29-04-20
3. MAIN COMPONENTS
Control
HRFL2 400 / 700 / 1500 / 2000
Fan
Main power switch
Regulation
Condensate drain
Service access
Filter
External sensor
The cable length should not exceed 50
m.
(0.5 mm2) – Cable not included

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2 VV. Creating innovative solutions for you and your business since 1995.
ver.3 29-04-20
HRFL2-400,700,1500,2000
4. DIMENSIONS
Type H h a B b i j K k c d C D X x Y y Z z condensate ø Water exchanger
HRFL2-040
780 670 1190 310 300 1120 700 485 21 250 150 274 174 166 166 332 332 166 166 18 1/2"
HRFL2-070
1080 970 1400 310 300 1330 1000 590 21 300 200 324 224 242 242 517 517 242 242 18 1/2"
HRFL2-150
1385 1270 1700 390 380 1630 1305 720 21 500 250 524 274 323 323 625 625 323 323 18 1/2"
HRFL2-200
1710 1600 2000 470 460 1430 1630 902 21 600 300 624 324 433 433 735 735 433 433 18 1/2"
All sizes in mm
C
22
AB
B
A
AA
D
E
EE
DD
A B C D E DD EE AB AA
MODUL-400 334 470 295 250 150 274 174 366 397
MODUL-800 484 470 300 300 200 324 224 516 547
MODUL-1600 636 470 380 500 250 524 274 668 699
MODUL-2500 800 470 460 600 300 624 324 832 863
External modules: C/O, DX - HRFL2-040, 070, 150, 200
Type A B C D E DD EE AB AA condensate ø C/O connection
HRFL2-400 334 470 295 250 150 274 174 366 397 22 1/2“
HRFL2-700 484 470 300 300 300 324 224 516 547 22 1/2“
HRFL2-1500 636 470 380 500 500 524 274 668 699 22 1/2“
HRFL2-2000 800 470 460 600 600 624 324 832 863 22 1/2“
a
b
B
K
k
18
2x1/2"
C
D
c
d
h
i
j
H
x z
X
Z
Y
y
INDOOR ENVIROMENT
OUTDOOR ENVIROMENT
a
b
B
K
k
18
2x1/2"
C
D
c
d
h
i
j
H
x z
X
Z
Y
y
INDOOR ENVIROMENT
OUTDOOR ENVIROMENT

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2 VV. Creating innovative solutions for you and your business since 1995.
ver.3 29-04-20
5. TECHNICAL PARAMETERS
Model w/o el. reheating and preheating / with water reheating, C/O, DX
Model with el. preheating
- without reheating, with C/O, DX
- with electric reheating
- with electric reheating
Type Tension Frequency Input power (kW) Current (A)
by phase
HRFL2-040 230 V 50/60 Hz 0.23 2.2
HRFL2-070 230 V 50/60 Hz 0.33 2.5
HRFL2-150 230 V 50/60 Hz 1 5.6
HRFL2-200 230 V 50/60 Hz 1 6.3
Type Tension Frequency Input power (kW) Current (A)
by phase
HRFL2-040 230 V 50/60 Hz 1.7 8.3
HRFL2-070 230 V 50/60 Hz 3.1 14.3
HRFL2-150 400 V 50/60 Hz 6.3 13.3
HRFL2-200 400 V 50/60 Hz 8.3 16.7
Type Tension Frequency Input power (kW) Current (A)
by phase
HRFL2-040 230 V 50/60 Hz 1.1 5.7
HRFL2-070 230 V 50/60 Hz 1.8 8.6
HRFL2-150 230 V 50/60 Hz 3.7 17.4
HRFL2-200 400 V 50/60 Hz 5.9 12
Type Tension Frequency Input power (kW) Current (A)
by phase
HRFL2-040 230 V 50/60 Hz 2.5 11.8
HRFL2-070 400 V 50/60 Hz 4.5 11.7
HRFL2-150 400 V 50/60 Hz 8 17.4
HRFL2-200 400 V 50/60 Hz 13.1 22.5
Characteristic of the motor
Type Phases Tension Frequency Input
power (kW)
Current
(A) Speed (tr/min) IP class insulation
HRFL2-040 1 230 V 50/60 Hz 169 1.35 4120 54 B
HRFL2-070 1 230 V 50/60 Hz 175 1.3 2800 44 B
HRFL2-150 1 230 V 50/60 Hz 455 3.1 2600 54 B
HRFL2-200 1 230 V 50/60 Hz 500 3.15 1970 54 B
Characteristics of the el. reheating
Type Phases Tension Frequency Input power
(kW)
ΔT
(°C)
HRFL2-040 1 230 V 50/60 Hz 1.1 6.3
HRFL2-070 1 230 V 50/60 Hz 1.6 6.3
HRFL2-150 1 230 V 50/60 Hz 2.7 5.3
HRFL2-200 3 400 V 50/60 Hz 4.8 6.3

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Characteristics of the C/O reheating
Heating mode
Type Power* (kW)
Pressure loss
with ow
water [kPa]
Pressure loss
with ow
air [Pa]
Average
connection
Airow
(m3/h)
HRFL2-040 2.51 0.29 80 3/4“ 400
HRFL2-070 4.6 0.59 71 3/4“ 700
HRFL2-150 9.41 0.69 99 3/4“ 1500
HRFL2-200 15.7 1.67 83 3/4“ 2000
*Datafor60/40gradient,inlettemperature=15°C
Characteristics of the water reheating
Type Power* (kW)
Pressure loss
with ow
water [kPa]
Pressure loss
with ow
air [Pa]
Average
connection
Airow
(m3/h)
HRFL2-040 1.75 1 10 1/2“ 400
HRFL2-070 2.71 3 15 1/2“ 700
HRFL2-150 5.92 17 27 1/2“ 1500
HRFL2-200 9.22 9 21 1/2“ 2000
*Datafor60/40gradient,inlettemperature=15°C
Characteristics of the el. preheating
Type Phases Tension Frequency Input power
(kW)
ΔT
(°C)
HRFL2-040 1 230 V 50/60 Hz 1.35 10
HRFL2-070 1 230 V 50/60 Hz 2.7 10
HRFL2-150 3 400 V 50/60 Hz 5.3 10
HRFL2-200 3 400 V 50/60 Hz 8.4 10
Cooling mode
Type Power* (kW)
Pressure loss
with ow
water [kPa]
Pressure loss
with ow
air [Pa]
Average
connection
Airow
(m3/h)
HRFL2-040 1.94 2.65 91 3/4“ 400
HRFL2-070 3.68 5.4 80 3/4“ 700
HRFL2-150 7.34 6.57 112 3/4“ 1500
HRFL2-200 12.62 15.79 94 3/4“ 2000
*Datafor7/12gradient,inlettemperature=25°C
Characteristics of the direct DX evaporator
Type Airow
(m3/h)
Power*
(kW)
Temperature
behind the direct
evaporator
(°C)
RH (%)
Fluid pressure
loss
(kPa)
Air pres-
sure loss
(Pa)
Connection
(gas)
Connection
(uid)
HRFL2-040 400 2.54 10 92 11 79 1/2“ 1/2“
HRFL2-070 700 4.65 10 92 41 69 1/2“ 5/8“
HRFL2-150 1500 9.94 10 92 12 97 1/2“ 7/8“
HRFL2-200 2000 16.15 10 92 28 91 3/4“ 7/8“
*Datafor27°Cinlettemperature,CoolingR410A.
Evaporationtemperature5°C.

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2 VV. Creating innovative solutions for you and your business since 1995.
ver.3 29-04-20
Type
HRFL2-040
HRFL2-070
HRFL2-150
HRFL2-200
b
0
0
0
0
a
750
750
750
750
c
100
100
100
100
60
a
c
b
The unit is not designed to circulate air with am-
mable or explosive mixtures, chemical vapours,
heavy dust, soot, grease, poisons, germs, etc.
coverage IP20
6.1-1 Access distance
to service the unit
6. INSTALLATION
6.1 SELECT UNIT’S LOCATION
● e HRFL2 unitmust be installed indoors in a dry
environment, in temperatures between + 5° C and +
35° C.
The unit should circulate air with temperatures
ranging between -20° C ~ +60° C and with a rela-
tive humidity of 90%.
TECHNICAL DATA
All the dimensions in the table are in mm
d
d
310
360
460
560

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2 VV. Creating innovative solutions for you and your business since 1995.
ver.3 29-04-20
●AlltheALFA95FLATunitsmustbeplacedhori-
zontally.Anyotherpositionisforbidden.
TECHNICAL DATA
●All the materials within a distance of 100 mm
oftheunitmustbenon-ammable(theydon’t
burnorare)or of low ammability (the don’t
burn,disintegrate,likeplasterboard).Thesema-
terials,however,mustnotcovertheunit’sinlet
andexhaustopenings.
●Thesafedistancebetweencombustiblemateri-
alsandtheexhaustis500mm.
●Thesafedistanceforcombustiblematerialsinall
directionsis100mm.
The unit must be installed so that the direction of
the air exhaust corresponds to that of the distribu-
tion system.
The unit should be installed so as to provide ac-
cess for maintenance, service or disassembly. This
includes, in particular, access to the inspection
aps and their opening, access to the cover of the
control unit’s cabinet, to connect side units and to
the cover of the of the air lter.
6.1-2 Safe installation
distance
ATTENTION!
6. INSTALLATION