2vv Hrfl2 User manual

ver.3 29-04-20

HRFL2

Installation and operation

Manual

EN

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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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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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HRFL2

2. UNPACKING

2.1 CONTROL THE DELIVERY 2.2 UNPACK THE UNIT

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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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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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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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

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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Type

HRFL2-040

HRFL2-070

HRFL2-150

HRFL2-200

b

0

a

750

c

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

310

360

460

560

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●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

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6.1-3 Hanging the unit

•Thesupportoftheunitshouldbesufciently

strong,itmustcorrespondtotheunit’sweight!

•Givenitsweight,liftingequipmentwillbere-

quiredwheninstallingtheunit(e.g.aforklift)

oratleasttwomorepeopletoholdit.

●4M8locknuts

●4threadedrods

●4dowels ofsuitabletypeandsize(depend-

ingonthematerialoftheceilingandtheweight

oftheunit)

●drillwithbitsofsuitabletypeandsize

●pliersandwrenches

Place the unit horizontally and then tilt it

3° to drain the condensate.

YOU WILL NEED

6. INSTALLATION

Type A B

HRFL2-040 700 1120

HRFL2-070 1000 1330

HRFL2-150 1300 1630

HRFL2-200 1630 1930

Usethedrillingtemplatebelow

toplacetheanchoringpoints.

A

B

Drill the openings in the ceiling, check the strength

of the material and fasten the unit to the side

brackets

with the ZTZ-M8/1,0 threaded rods.

ATTENTION!

Type

Weight of unit (kg) Weight of accesso-

ries (kg)

Without

reheating

With electric

reheating

With water

reheating

C/O mod-

ule DX module

HRFL2-040 70 75 75 25.5 24

HRFL2-070 90 95 95 32 30

HRFL2-150 165 170 170 37 35

HRFL2-200 240 245 245 43 40

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6. INSTALLATION

6.2 CONNECTING THE AIR

DUCTWORK

•Theconnectedductworkmusthavethesamedi-

mensionsastheintakeandexhaustopeningsof

theunit.Ductsofasmallerdiametermayreduce

theefciencyoftheunitand,insomecases,also

itslifespan.

•Connecttheintakeandexhaustopenings(rect-

angular/circular opening) with exible joints in

ordertoreducevibrations.

READ CAREFULLY!

All the connections to the ductwork must be sealed

with sealant or tape.

The minimum distance between bends in the duc-

twork or adapters and the neck of the unit is 500

mm.

Accessories ordered separately

6.2-2 Protective grille for open-

ings

(not included)

If the unit’s opening is not connected to the duct-

work, rain blinds will be required to prevent water

and moving particles coming into contact with the

fan, the heating rods, etc.

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6. INSTALLATION

Accessories ordered separately

6.3 CONNECTION OF MECHANI-

CAL ACCESSORIES

6.3-1 Air ap

These rectangular air aps are used to close the

air supply connected to the unit.

●2rectangularaps(ofsuitabledimensions)

●2actuators(withoneortwo230Vwires)

●8M8screwsandnuts

●16washers

●suitablewrench

●Flat and Phillips screwdriver, sealing tape and

sealant

YOU WILL NEED

HRFL2-040

HRFL2-070

HRFL2-150

HRFL2-200

250x150 mm

300x200 mm

500x250 mm

600x300 mm

Designation of the rectangular aps

Install the ap in the ductwork at a distance of

about 2 m before the fresh air intake and at about

2 m from the exhaust neck. Connect the actuators

to the appropriate terminals in the control cabinet.

See Connecting the wiring and electrical accesso-

ries

Place the ap so it will be fully closed when the

unit is off and fully open when the unit is on. Any

other position could damage the unit.

Technical details of the MLKR Shut-Off dampers

• The anged damper frame is manufactured ofgal-

vanized steel.

• The blades are made of aluminum.

Unit type Rectangular damper A B

HRFL2-040 MLKR/S-250150 250 150

HRFL2-070 MLKR/S-300200 300 205

HRFL2-150 MLKR/S-500250 500 255

HRFL2-200 MLKR/S-600300 600 305

10mm

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6.4 INSTALLATION OF EXTERNAL C/O, DX MODULE (accessories)

6. INSTALLATION

e external module includes sensors, PE grounding conductor and fasteners.

MODUL

JEDNOTKA

3D-Intelliclamp

4 x SR-ISO7380-5,0x25

(NA 1 UZAVER 3D-Intelliclamp)

A

DETAIL A

MĚŘÍTKO 1 : 1

SR-ISO7380-5,0x25

M8x35 DIN 912

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●The main power switch must be turned off

before any intervention on the unit!

●The electrical connection must be done by a

qualiedperson(electrician).Theelectricalcon-

nection may be done only by a person autho-

risedfor such tasks. Allthe instructions herein

andthelocalregulationsmustbeobserved.

●Thewiringdiagramontheproducttake prece-

dence over the diagrams included herein! Be-

fore connecting, make sure that the terminal

markingscorrespondtothediagram.Incaseof

doubt,donotconnecttheunitandcontactthe

supplier.

●Iftheunitisconnectedtoacontrolsystemother

thantheoriginal,contactthatsystem’ssupplier

regardingtheconnectionof measuring sensors

andcontrolcomponents.

●Theunitmustbeconnectedtothemainswitha

temperatureresistant,rigid,insulatedcablethat

complieswiththelocalregulations.

●Anyinterventionormodicationstotheinternal

electricalconnectionareforbiddenandshallre-

sultonlossofwarranty.

●Thecorrectoperationoftheunitcanbeguaran-

teedonlywiththeuseoforiginalaccessories.

●Shoulditbenecessarytoinstallasensororcon-

troldeviceintheunitoritscover,consultwith

themanufacturerortheirrepresentative.

6.5. CONNECTING THE WIRING

AND ELECTRICAL

ACCESSORIES

ATTENTION!

6. INSTALLATION

6.5-1 Power cord

The terminal strip for the power cable is located in

the housing of the control device.

The minimum dimensions of

the safety grounding con-

ductor must conform with

the applicable local regula-

tions.

TECHNICAL IN-

FORMATION

●The parameters of the wiring can be found on

the label located on housing of the control de-

vice.

Label with the type of unit

Pe

L1 L2 L3 N

ATTENTION!

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All the phases of the power supply must be con-

nected through the appropriate type of circuit

breaker. The distance between open contacts must

be greater than 3 mm.

The unit must be connected in a way that it may

be disconnected from the power supply with a sin-

gle switch.

- The unit must be connected with a NT-S system,

meaning that the neutral conductor must be al-

ways connected.

6. INSTALLATION

I = Current

P = power/input

power

m = weight

IP =

ver = version

Information on the type of product

U = Voltage

f = Frequency

n =

ph = number of

phases

av = Air ow

Serial number

fan’s speed

electrical protec-

tion

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6. INSTALLATION

6.4-2 – Electrical accessories

Electrical accessories must be connected to the terminals located in the control cabinet according to the

wiring diagram and the markings on the terminals.

1. A (1,4) SAFETY THERMOSTAT POSTHEATING

2. A (2,3) SAFETY PREHEATING THERMOSTAT

3. A (5-6) LF1 - FLAP INLET (output L-open), LF2 - FLAP OUTLET ( output L-open)

4. A (7-8) RUN CONTACT (output -NO/NC settable)

5. A (9-10) ERROR CONTACT (output NO)

6. A (11-12) PREHEATER WATER PUMP (11 - Lint, 12 - Lout)

7. A (13-14) BOOST (input NO)

8. A (15-16) FIRE (input NC)

9. A (17-18) EXTERNAL CONTROL ON/OFF (input NC)

10. A (19,20) OUTPUT PERFORMANCE OF POSTHEATING 010V OR PWM

11. A (43,44) AQS SENSOR 0-10V (input)

3-050-D13490

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EN RU CZ

1. A (5-6) LF1 - FLAP INLET (output L-open), LF2 - FLAP OUTLET ( output L-open) LF1   ( L-), LF2 -   ( L-) LF1 - KLAPKA PŘÍVOD (výstup L-open), LF2 - KLAPKA ODVOD ( výstup L-open)

2. A (7-8) RUN CONTACT (output -NO/NC settable) RUN  ( - NO/NC ) RUN KONTACT (výstup -NO/NC nastavitelné)

3. A (9-10) ERROR CONTACT (output NO)   ( NO) ERROR KONTACT (výstup NO)

4. A (11-12) PREHEATER WATER PUMP (11 - Lint, 12 - Lout)     (11 - Lint,12 - Lout) VODNÍ ČERPADLO PŘEDEHŘEVU (11 - Lint, 12 - Lout)

5. A (13-14) BOOST (input NO) BOOST ( NO) BOOST (vstup NO)

6. A (15-16) FIRE (input NC) FIRE - ( NC) FIRE (vstup NC)

7. A (17-18) EXTERNAL CONTROL ON/OFF (input NC)   ON/OFF ( NC) EXTERNÍ OVLÁDÁNÍ ON/OFF (vstup NC)

8. A (18-19) AQS SENSOR 0-10V (input)    0-10 () ČIDLO KVALITY VZDUCHU 0-10V (vstup)

9. B (1-2) WATER PUMP (1 - Lint, 2 - Lout)   (1 - Lint, 2 - Lout) VODNÍ ČERPADLO (1 - Lint, 2 - Lout)

10. B (3-4) HEAT PUMP CONTROL settable (output - ON/OFF)     ( - ON/OFF) ŘÍZENÍ TEPELNÉHO ČERPADLA nastavitelné (výstup - ON/OFF)

11. B (5-6) ADIABATIC MODULE output - ON/OFF   ( - ON/OFF) ADIABATICKÝ MODUL výstup - ON/OFF

12. B (7-8) COOL / HEAT settable (CO = NC/NO - DX = output settable)  /  (CO = NC/NO - DX =  ) CHLAZENÍ / TOPENÍ nastavitelné (CO = NC/NO - DX = výstup nastavitelné)

13. B (9-10) ADIABATIC MODULE ERROR input NO   ERROR ( NO) ADIABATICKÝ MODUL ERROR vstup NO

14. B (11-12) HEAT PUMP DEFROST settable (input NC/NO)     ( NC/NO) ODMRAŽOVÁNÍ TEPELNÉHO ČERPADLA nastavitelné (vstup NC/NO)

15. B (13-14) HEAT PUMP ERROR settable (input NC/NO)     ( NC/NO) CHYBA TEPELNÉHO ČERPADLA nastavitelné (vstup NC/NO)

16. B (15-16) PIR (input NC)   PIR ( NC) POHYBOVÉ ČIDLO PIR (vstup NC)

17. B (17-18) CONDENSATE OVERFLOW (input NC)    ( NC) ČIDLO PŘETEČENÍ KONDENZÁTU (vstup NC)

18. B (46-47) EXTERNAL TEMPERATURE SENSOR (external postheater - input)    (   - ) EXTERNÍ TEPLOTNÍ ČIDLO (externí dohřev - vstup)

19. B (44-45) EXTERNAL TEMPERATURE SENSOR (adiabatic module / recirc. chamber - input)    (  /   - ) EXTERNÍ TEPLOTNÍ ČIDLO (adiabatický modul / recirkulační komora - input)

20. B (38-39) EXTERNAL PREHEATER (output - Water= 0-10V, electric=PWM)   ( - =0-10, =PWM) EXTERNÍ PŘEDEHŘEV (výstup - vodní=0-10V, elektrický=PWM)

21 B (36-37) EXTERNAL POSTHEATER (output - Water= 0-10V, electric=PWM)   ( - =0-10, =PWM) EXTERNÍ DOHŘEV (výstup - vodní=0-10V, elektrický=PWM)

22 B (34-35) RECIRCULATION CHAMBER (output 0-10V)   ( 0-10) RECIRKULAČNÍ KOMORA (výstup 0-10V)

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