heat recovery units range

7/24/2019 Heat Recovery Units Range

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Heat recovery units

Save EnergyReduce Your ExpensesTake Care of the Environment

HEATINGVENTILATIONAIR-CONDITIONINGTANGRA


2/35

Peoplewhostayindoorsmostofthetimeneedfreshair.Thisaffectstheirhealth,efficiencyandmuchmore.

Exhaustingairoftechnologicalsystems(hot,humidorharmful)hastobecompensated.

Theinstallationssupplyingfreshairarebigenergyconsumers forheatinginwinterandcooling insummer.Thecostofthis

energyforventilationiscommensuratewiththatforheatingbutstillnotadequatelyassessed.

Nowadays there systemswhich can reduce theseexpenseswith40%up to 80%. The correct choice is tobe subjected to

accurateeconomicanalysesoftheinitialinvestmentaswellastheexpensesoftheirexploitation.

Thebasicfactorstobeconsideredare:

Dailyoperation(hourperday);

Ambientconditions;

Energy

costs;

Initialinvestments;

Maintenanceexpenses.

Lifetimeoftheinstallation;

System withoutrecuperation

E=0%

System with plateheat exchanger

E=45 55%

System with highefficiency plateheat exchanger

E=60 70%

System with rotaryheat exchanger

E=65 75%

System with plateheat exchanger and

heat pump

E=75 85%

0

1000

2000

3000

4000

5000

6000

7000

8000

9000

10000

-15 -10 -5 0 5 10

Q ,kWh

text ,

ENERGY CONSUMPTION PER YEAR, kWh

AHU - A

0

1000

2000

3000

4000

5000

6000

7000

8000

9000

10000

-15 -10 -5 0 5 10

Q ,kWh

text ,


AHU - A

AHU - B

0

1000

2000

3000

4000

5000

6000

7000

8000

9000

10000

-15 -10 -5 0 5 10

Q ,kWh

text ,


AHU - A

AHU - C

0

1000

2000

3000

4000

5000

6000

7000

8000

9000

10000

-15 -10 -5 0 5 10

Q ,kWh

text ,


AHU - A

AHU - D

0

1000

2000

3000

4000

5000

6000

7000

8000

9000

10000

-15 -10 -5 0 5 10

Q ,kWh

text ,


AHU - A

AHU - E

AHU - A

RECAHU - B

AHU - CREC REC

AHU - D

AHU - E REC


3/35

The initial investments for an energy saving system is higher, but the operation expenses are

significantlylower

Thedatashownarenotuniversal.These

parametersarevalidforthefollowing

conditions:

Bulgaria,

Sofia;

Indoortemperature22oC;

Airvolume3000m3/h;

Dailyoperation10h.of24h.

Installationlifetime10years;

Energyprice0.1Euro/kWh;

8%annualexpensesformaintenance;

Growthoftheenergyprice12%peryear;

TheinitialexpensesforHVACsystemare

tentative;

SystemtypeDallowsmoistexchange;

System

type

E

allows

cooling

during

the

summertime.

theseareyourlostmoney

Thereisapreliminarytrendforgrowingofenergypriceforthelast10years.

Thereisnodoubtaboutthefollowing:

Thepriceoftheenergywillnotgodown!

The

quality

of

the

microclimate

is

something

with

which

we

cannot

make

a

compromise!

Theprotectionoftheenvironmentisourobligationtothefuturegeneration!

-

5 000

10 000

15 000

20 000

25 000

30 000

35 000

40 000

45 000

50 000

0 1 2 3 4 5 6 7 8 9 10

Amount,

Years

Anual ex penc es w ith acc umulation,

A B C D E

0

10

20

30

40

50

60

70

80

90

100

2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010

US $/BarrelPrice trend of oil


4/35

HeatrecoveryunitsapplicationVentilationandairconditioningsystemsupplyingfreshair:

Officeandresidentialbuildings;

Hotels,restaurants,coffeebars,nightclubs;

Sporthall,gym,swimmingpool;

Hospitals,schools,laboratories;

Cinema,theatersconcerthalls;

Food

industry

bakery;

Technologicalventilation,workshops.

Tangra HeatrecoveryunitsStandardrangeEVBAL

Middlerangelowpressure EVBCBM

Middlerangehighpressure EVBCBP

High

efficiency

range

EVB

TOP/

PLUS

Rotaryheatexchangersrange EVBROT


5/35


6/35

www.tangra.bgWe reserve the right to introduce alternations both in design and technical data without prior notice, due to continued product development.

HEAT RECOVERY UNITS

EVB-AL

Units for secondary use of energy of the exhaust air in ventilation and air-conditioning systems.Operation temperatures from -20

oC up to 50

oC.

Designed to work with clean air in nonaggressive and non-sparkling environment.

CONSTRUCTION

Supporting construction, made by anodized aluminum profiles.

Thermo and sound insulated panels, powder coated RAL7035;

o Internal insulation Firex 10 mm, fire resistance class: 0-BS 476 Part 6; class 1 BS 476 Part7;

o Sandwich panels 25 mm with XPS insulation class M1 or fiberglass class M0;

Cross flow aluminum plate heat exchanger with efficiency up to 55%;

Double inlet direct drive centrifugal fans 230V, 50Hz, IP 20 (higher protection by request); Air filters class G4 EN 779:2002;

Rectangular or round duct connector;

Drain tray with connection;

Configuration allows easily modifying position of the filters, fans and duct connectors;

Service doors from the bottom and from the side;

By-pass with multiple leaf damper by request;

Heating/ cooling coil by request;

Hanging support or basic steps by request;

Roof panels for outdoor installation by request.

The construction allows horizontal () or vertical (V) installation.

05 01.01


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HEAT RECOVERY UNITS EVB AL

INSTALLATIONHorizontal installation H

Vertical installation - V

Type sizeMax.

capacitym

3/h

Dimensions, mm

L H max C D G IVB PP-04-H 500 800 280 800 320 215 150 200 215 150

VB AL-06-H 700 1000 350 1000 390 225 180 250 225 180

VB AL-10-H 1000 1000 420 1300 460 235 210 280 300 250

VB AL-20-H 2200 1060 480 1500 520 300 260 315 300 300

VB AL-30-H 3000 1200 580 1600 620 265 290 355 400 300

VB AL-35-H 3500 1200 680 1600 720 335 290 355 400 400

Type sizeMax.

capacitym

3/h

Dimensions, mm

B H L Bmax C D G I KVB PP-04-V 500 280 800 800 320 150 150 200 215 150 45

VB AL-06-V 700 350 1000 1000 390 180 225 250 225 180 50

VB AL-10-V 1000 420 1000 1300 460 210 235 280 250 300 85

VB AL-20-V 2200 510 1060 1500 550 260 300 315 300 300 105

VB AL-30V 3000 580 1200 1600 620 290 265 355 300 400 90

VB AL-35-V 3500 680 1200 1600 620 290 335 355 400 400 140

Heat recovery units EVB-L

05 01.02


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05 01.03

HEATRECOVERYUNITSEVBALH (BYPASSBS)

By-pass with internal multiple leaf damper;

Manual control - by request;

Belimo ON-OFF actuator standard execution

BY PASS BS

Type size

Dimensions, mm

L H max C D G I VB AL-06-BS 1050 450 1200 520 225 180 225 180 250

VB AL-10-BS 1050 520 1300 590 235 210 300 250 280

VB AL-20-BS 1060 650 1500 720 300 260 300 300 315

VB AL-30-BS 1200 750 1600 820 265 290 400 300 355

VB AL-35-BS 1300 850 1600 920 335 290 400 400 355


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05 01.04

HEAT

RECOVERY

UNITS

EVB

AL

H

(HEAT+BY

PASS

HBS)

By-pass with internal multiple leaf damper;

Manual control - by request;

Belimo ON-OFF actuator standard execution

Two rows water coil Cu/Al;

Four rows water coil (cooling) - by request.

HEAT + BY PASS - HBS

Type size Dimensions, mm

L H max C D G I dVB AL-06-HBS 1050 450 1600 520 225 180 225 180 250

VB AL-10-HBS 1050 520 1600 590 235 210 300 250 280

VB AL-20-HBS 1200 650 1900 720 300 260 300 300 315 1

VB AL-30-HBS 1300 750 1900 820 265 290 400 300 355 1

VB AL-35-HBS 1300 850 1900 920 335 290 400 400 355 1

d


10/35



05 01.05

Typesize FanNominalpower,

W

Ratedcurrent

A

EVB PP 04 CBM/2 133/190 2x185 0.8

Type size FanNominal power

WRated current

A

BV AL- 06

BM/2-146/180 2

220 1,01

EVB AL - 06


11/35



05 01.06


WRated current

A

BV AL-10 BM/4-180/180 2147 1,5

BV AL-10/3V BM/4-180/180 V 2147 1,33


WRated current

A

BV AL- 20 BM/4-240/240 2370 4,2

BV AL- 20/3V BM/4-240/240 3V 2370 3,8


12/35



05 01.07

0

100

200

300

400

500

600

0 500 1000 1500 2000 2500 3000 3500

H,

Pa

EVBAL35

V,m3/h

E=50%

E=48%

E=46%

E=46%

+600/6002R

1

1


WRated current

A

BV AL-30 BM/4-270/200 2370 4,0

BV AL-30/3V BM/4-270/20 3V 2370 3,0


WRated current

A

BV AL- 35 BM/4-270/270 2550 6,2


13/35



05 01.08

STANDARD CONFIGURATIONS

Horizontal installation

Vertical installation

Units are produced in configuration A and C. Modification from A to B or from C to D has to be orderedto the factory and also is possible at the building site.

ACCESSOARIES

External high efficiency filter F7, Pmax =80Pa;

Sound attenuators;

External electric heater;

Roof for outdoor installation;

Flexible duct connectors;

3-way valve for water coil;

Freeze protection;

Pressure switch;.

3-speed switch;

Hanging supports;

Basic steps;

Frame for outdoor installation.

ORDER DESIGNATION

EVB AL 30 3V HBS

Heating coil and by-pass

3-speed fan

Typesize

Heat recovery unit

A B

C D


14/35


HEAT RECOVERY UNITS

MIDDLE RANGE LOW PRESURE

VB AL- M


oC up to 50

oC.


CONSTRUCTION



o

Sandwich panels 25 mm with XPS insulation class M1 or fiberglass class M0; Cross flow aluminum plate heat exchanger with efficiency up to 55%;

Double inlet direct drive centrifugal fans 380V, 50Hz;

Air filters class G4 EN 779:2002;

Rectangular duct connector;


Service doors from the bottom and from the side;



Support frame or basic steps by request;


The construction allows horizontal () or vertical (V) installation.

05 02.01


15/35


05 02.02


INSTALLATION

OVERALL AND JOINED DIMENTIONS VB AL M

Horizontal installation - H


Type-size

FanRecuperative

exchanger

Dimensions, mm

H L b h c d

VB-AL- 40 CBM CBM 320/320 RECAL-1200/9-070 700 2550 400 340 600 500




16/35


05 02.03


OVERALL AND JOINED DIMENTIONS VB AL M HBS (HEAT+BY PASS HBS)

Horizontal installation - H


Type-size

FanRecuperative

exchanger

Dimensions, mm

H L b h c d

VBAL- 40 CBM HBS CBM 320/320 RECAL-1200/9-070 1000 3000 400 340 600 500




17/35


05 02.04


AERODYNAMIC CHARACTERISTICS

0

50

100

150

200

250

300

350

2500 3000 3500 4000 4500 5000 5500 6000

Externalpressure

Pa

Airvolumem3/h

EVBAL40

E=55%

E=54%

E=53%

E=52%

E=55%

E=54%

E=53%

E=52%

E=56%

0

50

100

150

200

250

300

350

400

450

3500 4000 4500 5000 5500 6000 6500 7000 7500 8000 8500 9000

Externalpressure

Pa

Ai r vo lume m3/h

EVB - Al - 60

----- external External pressure ; Pa- - - external External pressure (with water heating coil 800/800 2R 80/60

0C)


WRated current

A

BV AL- 40 CBM BM-320/320 21100 7,2


WRated current

A

BV AL- 60 CBM BM-380/380 22200 13,8


18/35


05 02.05


E=54%E=55%

E=53%

E=52%

E=51%

0

50

100

150

200

250

300

350

400

5000 5500 6000 6500 7000 7500 8000 8500 9000 9500 10000 10500 11000

Externalpressure

Pa

Air vol ume m 3/h

EVB -Al - 80

---- external External pressure ; Pa- - - external External pressure (with water heating coil 800/800 2R 80/60

0C)

ORDER DESIGNATION

Heat recovery unit EVB AL - 40 - CBM ST/HBS H/V

EVB AL - 40 - CBM HBS - H

Horizontal installation

HEAT+BY PASS HBS

ypesize

Heat recovery unit AL


W

Rated currentA

BV AL- 80 CBM BM-380/380 22200 13,8


19/35

05 03.01

HEAT RECOVERY UNITS

MIDDLE RANGE HIGH PRESSURE

VB AL- P


oC up to 50

oC.


CONSTRUCTION




Cross flow aluminum plate heat exchanger with efficiency up to 55%;

Double inlet belt driven centrifugal fans 380V, 50Hz;




Service doors from the side;

By-pass with multiple leaf damper;

External box with heating/ cooling coil by request;

Support frame or basic steps by request;


`


20/35

05 03.02


INSTALLATION

OVERALL AND JOINED DIMENSIONS VB AL P

Standard Version for vertical mounting

Type-size

FanRecuperative

exchangerDimensions, mm

B H L b h c d

VB AL- 41 CBP CBP 10/10 RECAL-600/5-040 1150 1350 1900 335 290 600 400



Type-size

FanHeating/ cooling

coil

Dimensions, mm

B H H1 L L1,m L1 b h c d

VB AL- 41 CBP CBP 10/10 800/500 2R 1150 1350 1600 1900 1300 1500 335 290 600 400

VB AL- 61 CBP CBP 12/12 800/800 2R/ 4R 1050 2000 2400 2500 1400 1600 400 340 500 600

VB AL- 81 CBP CBP 15/15 1000/800 2R/ 4R 1250 2000 2700 3000 1600 1800 470 400 600 600


21/35

05 03.03


AERODYNAMIC CHARACTERISTICS free pressure

1. EVB AL- 41 CBP

Note: the curve is valid for EVB-CBP with incor porated water heating coi l COT 800/500 2R

2. EVB AL- 61 CBP



22/35

05 03.04


2. EVB AL- 81 CBP


ORDER DESIGNATION

Heat recovery unit EVB AL - 41 - CBP

EVB AL - 41/1600 - CBP

ype size/ Rpm

Heat recovery unit AL


23/35


05 04.01

HEAT RECOVERY UNITS

HIGH EFFICIENCY RANGE

VB TOP/ PLUS


oC up to 50

oC.

Designed to work with clean in nonaggressive and non-sparkling environment.

CONSTRUCTION



o Internal insulation Firex 10 mm, fire resistance class: 0-BS 476 Part 6; class 1 BS 476 Part7;


Counter flow aluminum plate heat exchanger with efficiency up to 70%;

Double inlet direct drive centrifugal fans 230V, 50Hz, IP 20 (higher protection by request);


Rectangular or round duct connector;


Fixed configuration:

o type TOP for vertical installation with connections on the top side only;

o type PLUS for horizontal installation. Panels with fans and inlet panels could be replaced on the

front or on the side

Service doors :

o type TOP on the front side;

o type PLUS on the bottom or on the side;



Hanging support or basic steps by request;


24/35


Heat recovery units ROT

05 05.02

OVERALL AND JOINED DIMENSIONS EVB P - (STANDARD VERSION)

OVERALL AND JOINED DIMENSIONS EVB P - HBC (BY-PASS AND WATER COIL)

TypesizeMax.

volumem

3/h

Dimensions, mm

L D K N

VB - 20-TOP 2500 600 1500 2100 315 50 72

VB - 30-TOP 3000 700 1500 2100 355 50 172

VB - 35-TOP 3500 800 1500 2100 355 50 222

Typesize

Max.volume,

m3/h

Dimensions, mm Water coilHeatingcapacity

L D K N B/H kW

VB -20-TOP-HBC 2500 680 1500 2100 315 50 162 500/300-2R 15

VB -30-TOP-HBC 3000 880 1500 2100 355 50 262 700/400-2R 22,5

VB -35-TOP-HBC 3500 980 1500 2100 355 50 312 700/400-2R 24,5


25/35


Heat recovery units TOP/ PLUS

05 04.03

AERODYNAMIC CHARACTERISTICS external stat ic pressure

Curves, marked with 13 are corresponding to the three speeds of the fans (3V);

For single speed fans use curve 1;

Dotted line is valid for unit with by-pass and water coil.

0

50

100

150

200

250

300

350

400

0 250 500 750 1000 1250 1500 1750 2000 2250 2500

H,

Pa

V,m3/h

EVB20 TOP

1

23

E=69%

E=67%

E=65%

+500/3002R1

0

50

100

150

200

250

300

350

400

450

500

0 500 1000 1500 2000 2500 3000

H,

Pa

V,m3/h

EVBAl30TOP

12

3

E=69%

E=67%

E=65%

1 +700/4002R

Typesize FanMotor power

WRated current

A

BV 20 - P BM/4-240/240 2370 4,2

BV 20 - TOP/3V BM/4-240/240 3V 2370 3,8


WRated current

A

BV-30-TOP BM/4-270/200 2370 4,0BV-30-TOP/3V BM/4-270/200 3V 2370 3,0


26/35



05 04.04

0

50

100

150

200

250

300

350

400

450

500

0 500 1000 1500 2000 2500 3000 3500

H,

Pa

V,m3/h

EVB35TOP

E=65%

E=67%

E=72%

Note:The Efficiency is calculated with the following parameters: amb. = -10/ 90%

room. = 22/ 40%

NOISE LEVEL INPUT/ OUTPUT OF VB [ dB(A)]

Typesize Hz 63 125 250 500 1000 2000 4000 8000

EVB 20-Pinput 40 52 58 53 56 57 56 50

output 43 54 57 56 70 64 63 55

EVB - 30-Pinput 43 57 60 55 57 69 65 56

output 50 61 67 69 75 73 70 62

EVB- 35-Pinput 44 58 61 56 58 59 60 54

output 50 61 67 68 74 72 73 65

ORDER DESIGNATION

Heat recovery unit EVB 20 TOP- S/CB / 3V

EVB - 20 -TOP- HBC 3V

3-speed fan

By-pass and water coil

Model

Typesize

Heat recovery unit


WRated current

A

BV- 35-TOP BM/4-270/270 2550 6,2


27/35



05 04.05

OVERALL AND JOINED DIMENSIONS EVB PLUS - (STANDARD VERSION)

OVERALL AND JOINED DIMENSIONS EVB PLUS - HBC (BY-PASS AND WATER COIL)

TypesizeMax.

volume,m

3/h

Dimensions, mm

max L M E F

VB - 20-PLUS 2500 1200 600 640 2400 315 90 140,5 70

VB - 30-PLUS 3000 1300 700 740 2500 355 115 182,5 80

VB 35-PLUS 3500 1300 800 840 2500 355 115 147,5 80

Typesize

Max.volume,

m3/h

Dimensions, mm COTHeating

capacity.

max L M E F B/H kW

VB - 20-PLUS-HBC 2500 1200 780 640 2700 315 90 140,5 70 500/500-2R 16,7VB - 30-PLUS-HBC 3000 1300 880 740 2800 355 115 182,5 80 600/600-2R 24,1

VB 35-PLUS-HBC 3500 1300 980 840 2800 355 115 147,5 80 600/600-2R 26,8


28/35



05 04.06

AERODYNAMIC CHARACTERISTICS external stat ic pressure

Curves, marked with 13 are corresponding to the three speeds of the fans (3V);

For single speed fans use curve 1;

Dotted line is valid for unit with by-pass and water coil.

0

50

100

150

200

250

300

350

400

0 250 500 750 1000 1250 1500 1750 2000 2250 2500

H,

Pa

V,m3/h

EVB20 PLUS

1

23

E=69%

E=67%

E=65%

+500/5002R1

0

50

100

150

200

250

300

350

400

450

500

0 500 1000 1500 2000 2500 3000

H

,Pa

V,m3/h

EVBAl30PLUS

12

3

E=69%

E=67%

E=65%

1 +600/6002R


WRated current

A

BV 20 - PLUS BM/4-240/2402370 4,2

BV 20 - PLUS/3V BM/4-240/240 3V 2370 3,8


WRated current

A

BV-30-PLUS BM/4-270/200 2370 4,0

BV-30-PLUS/3V BM/4-270/200 3V 2370 3,0


29/35



05 04.07

0

50

100

150

200

250

300

350

400

450

500

0 500 1000 1500 2000 2500 3000 3500

H,

Pa

V,m3/h

EVB35PLUS

E=65%

E=67%

E=72%

1

1 +600/6002R

Note:The Efficiency is calculated with the following parameters: amb. = -10/ 90%

room. = 22

/ 40%

NOISE LEVEL INPUT/ OUTPUT OF VB [ dB(A)]

Typesize Hz 63 125 250 500 1000 2000 4000 8000

EVB 20-Pinput 40 52 58 53 56 57 56 50

output 43 54 57 56 70 64 63 55

EVB - 30-Pinput 43 57 60 55 57 69 65 56

output 50 61 67 69 75 73 70 62

EVB- 35-Pinput 44 58 61 56 58 59 60 54

output 50 61 67 68 74 72 73 65

ORDER DESIGNATION

Heat recovery unit EVB 20 TOP- S/CB / 3V

EVB - 20 - PLUS - HBC / 3V

3-speed fan

Water coil and by-pass

Model

Typesize

Heat recovery unit


WRated cu rrent

A

BV- 35-PLUS BM/4-270/270 2550 6,2


30/35

www.tangra.bgWe reserve the right to introduce alternations both in design and technical data without prior notice, due to continued product development .

05 05.01

HEAT RECOVERY UNITS

WITH ROTARY REGENERATIVE HEAT EXCHANGER

EVB ROT


oC up to 50

oC.


CONSTRUCTION



o Sandwich panels 25 mm with XPS insulation class M1 or fiberglass class M0; Rotary regenerative heat exchanger with efficiency up to 75%;

Double inlet belt driven centrifugal fans 380V, 50Hz;




Service doors from the side;



Supporting frame by request;



31/35

www.tangra.bgWe reserve the right to introduce alternations both in design and technical data without prior notice, due to continued product

development.

Heat recovery unit s ROT

05 05.02

OVERALL AND JOINED DIMENSIONS

TypesizeV,

m3/h

B,mm

L,

mm

L,

mm

L,

mm

L,

mm

L,

mm

H,

mm

H,

mm

H,

mm

H,

mm

h,mm

b,mm

42

3000120

0650

1700

- -170

0700 700

1400

1500

300 500

4000 400 500

5000 400 600

62

5000130

0 800

180

0 - -

180

0 800 800

160

0

170

0

400 700

6000 400 8007000 500 800

82

7000155

0800

1650

550 850135

01000

1000

2000

2100

500 800

8000 500 900

9000 500 1000


32/35


development.

Heat recovery unit s ROT

05 05.03

TECHNICAL CHARACTERISTICS

The data given in tables are valid for the following parameters of the air:

Winter mode: inlet= -12, relative air humidity 80% (fresh air)

outlet= 20, relative air humidity 30% (exhaust air)

Water temperature 80/60C

Summer mode: inlet= 33, relative air humidity - 35% (fresh air)

outlet= 25, relative air humidity - 40% (exhaust air)

Water temperature 7/12C

TypesizeV

[m/h]

E

[%]

Working

mode

outletafter

ROT[C]

Heating/

cooling watercoil

Q ,

[kW]

outlet,

[]

Pext,

[Pa]Fan Rpm

Motor

power[kW]

42-30 3000 72,3winter 11.1 1000/500-2R 32 40

300 CBP 10/10 1420 1,1summer 27.1 1000/500-4R 15 15

42-40 4000 67,1winter 9.5 1000/500-2R 38 36

300 CBP 10/10 1480 1,5summer 27.6 1000/500-4R 17,5 16,1

42-50 5000 62,8winter 8.1 1000/500-2R 43 33

300 CBP 10/10 1620 2,2

summer 27.9 1000/500-4R 20 17

62-50 5000 75,6winter 11 1000/600-2R 41 38

330 CBP 15/11 1030 2.2summer 27.2 1000/600-4R 18 15,5

62-60 6000 68,6winter 9.9 1000/600-2R 52 33

380 CBP15/11 1130 3,0summer 27.4 1000/600-4R 24 17

62-70 7000 63,1winter 9 1000/600-2R 61 30

420 CBP 15/11 1200 4,0summer 27.7 1000/600-4R 28 18

82-70 7000 75,3winter 11.3 1200/600-2R 57 36

400 BDB 400 1630 3summer 27.1 1200/600-4R 27 16,0

82-80 800070,4

winter 10.5 1200/600-2R 67 33430 BDB 400 1780 4

summer 27.3 1200/600-4R 32 17

82-90 9000 66,3winter 9.8 1200/600-2R 76 31

540 BDB 400 1980 5.5summer 27.5 1200/600-4R 37 18

Note: In case of parameters, different from the mentioned above, please, contact the producer.


33/35


development.

Heat recovery uni ts ROT

05 05.04

AERODYNAMIC CHARACTERISTICS PRESSURE DROP


34/35


development.

Heat recovery uni ts ROT

05 05.05

SUPPORTING FRAME

This is the base over which are assembled the separate sections. Supporting frame is made ofgalvanized profiles with openings for lift up and transportation, drainage and etc.

FRAME FOR OUTDOOR INSTALLATION

Designed for installation of the units over flat and low-pitched roofs without breach of the hydroinsulation.The frame consists of profiles over which are assembled the separate sections of the heatrecovery unit. Profiles are clamped together with special clutches. This makes the frame easy

joinable and convenient for leveling and transportation.

OPTIONS FOR CONTROL AND AUTOMATION

Freeze protection;

Torn belt differential presostat;

Dirty filter differential presostat;

Electric motor (actuator) for multiple leaf dampers;

3-way valves for heating/ cooling water coils;

Air temperature remote tracking;

Power board for control and automation;

Rotary heat exchanger automatic control system.

ORDER DESIGNATION

EVB ROT 42 40Air volume- (4000 /h)

Typesize / series /

Rotary regenerative heat exchanger

Heat recovery unit


35/35

Ventilation Air-conditioning Heating

Head Office

174 "Europe" blvd.1331, SofiaBulgaria

Phones: (+359 2) 9250599;9250610Fax: (+359 2) 9250557

www.tangra.bg

TANGRA Varna

TANGRA Bourgas

TANGRA 2TANGRA Sofia 3 - 2009TANGRA 3

heat recovery units range

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