Sheet metal supporting frame and double shell curtain panels externally pre-painted, fully removable with 10 mm thick internal thermal and acoustic insulation for model 10 and 20 mm for other models. High efficiency aluminium plated heat recovery, Eurovent certified, of static type with aluminium plate, and airflows separated by special seals.The by-pass is made with a motorized system that maintains a constant air flow both in normal operation and in the free-cooling.G4 efficiency class air filters, easily removable from every side (bottom, side, top) allowing their periodic cleaning; as an option, M6-F7-F8 efficiency class filters are available.Supply and exhaust centrifugal double suction fans, with electric motor directly coupled for more speeds, mounted on special supports.The unit comes complete with relay board to facilitate the electrical connections, the fans control and condensation drain pan made of aluminium with discharge on the bottom.

“

“

TECHNICAL FEATURES

>50%EFFICIENCY

PARTIAL OUTSIDE

V

H

rke BPHEAT RECOVERY UNIT with free coolingfrom 400 to 6.200 m³/h

INSIDE

ERP 2015

24 Heat pump - Heat recovery unit

rke bpHEAT RECOVERY UNIT

Round adapter for circular duct BCCInternal water heating coil SKWPre or post electric heater SKEWater cooling/heating section SAFDirect expansion section SEDAdjusting damper SKRFlexible connection GAT3 damper mixing box section MS3Damper connection lever LCSRoof cover TPRClass M6 compact filter FC6Class F7 compact filter FC7Class F8 compact filter FC8Class M6 soft bag filter FT6Class F7 soft bag filter FT7Class F8 soft bag filter FT8Brushless EC fan motors DDB

Fan speed control for EC fan motors RDE External hood with wire mesh CFA Humidification/adiabatic cooling section HCPSolenoid valve VSASupports H=180 mm PD2Electronic control LCE3 way valve with actuator V33Multifunction electronic control LC2Continuous motulation of speed MCVFilters differential pressure switch PSTDOn/off damper actuator SSERoom hygrostat HASDuctable hygrostat HCSAntifreeze thermostat TEGDifferential pressure transducer DPSDuct-type CO2 transducer AQS

ACCESSORIES

Internal by-pass for free cooling operation

25Heat pump - Heat recovery unit

MODELSHEAT RECOVERY UNITrke bp

RKE BP 10 14 19 30 40 60

AirflowMax

m3/h750 1100 1600 2600 3400 5500

Med 600 1000 1400 2250 - -Min 500 800 1000 1500 2500 4000

Static pressureMax

Pa119 115 145 144 156 160

Med 115 108 38 141 - -Min 90 63 48 176 155 269

1m sound pressure levelMax

dB(A)52 59,1 58 58,8 61,4 64

Med 50,3 56,1 54,5 55,4 - -Min 47,9 45,8 45,5 55,1 54,7 61,9

Nom motor power W 2 x 147 2 x 420 2 x 420 2 x 550 2 x 750 2 x 1500Maximum total current A 2 x 0,90 2 x 1,60 2 x 2,80 2 x 4,80 2x 3,30 2 x 5,40Max. total power absorbed kW 2 x 0,20 2 x 0,40 2 x 0,65 2 x 1,05 2 x 1,89 2 x 3,86Specific fan power W/(m3/s) 840 1047 1148 1180 1152 15672009/125/EC ErP Compliance - 2015 2015 2015 2015 2015 2015Fan speed n° 3 3 3 3 2 2Min degree of Protection - IP 44 IP 44 IP 44 IP 44 IP 55 IP 20Min temperature class - F F F F F FPower supply V-Ph-Hz 230-1-50 400-3+N-50

Efficiency (1)Max

%55,9 50,7 50,1 53,5 53,5 52,8

Med 57,4 51,2 50,8 54,4 - -Min 58,7 52,5 52,8 57,0 55,5 54,9

Recovered power (1)Max

kW3,50 4,60 6,70 11,6 15,1 24,1

Med 2,90 4,30 5,90 10,2 - -Min 2,40 3,50 4,40 7,10 11,5 18,2

Supply temperature (1)Max

°C7,7 6,5 6,4 7,1 7,1 7

Med 8,0 6,6 6,5 7,3 - -Min 8,3 6,9 7,0 7,9 7,6 7,4

Efficiency class according to UNI EN 13053 Max - H4 H5 H5 H5 H5 H5

SAF water cooling section (2)Rows 3 3 3 3 3 3Air pressure drop Max Pa 45 56 64 61 64 60Total cooling capacity Max kW 5,20 7,20 9,90 17,0 22,2 27,3Sensible supply cooling capacity Max kW 3,12 4,32 5,94 10,2 13,3 16,4Supply temperature Max °C 20,3 21,1 21,4 20,8 20,9 21,0Water flow rate Max m3/h 0,89 1,24 1,70 2,92 3,82 4,70Water side pressure drop Max kPa 13 7 9 23 26 23

SKW (3) water post-heating coilRows 3 3 3 3 3 3Air pressure drop Max Pa 42 43 65 61 69 97Heating capacity Max kW 8,40 12,8 16,8 27,8 36,0 51,3Supply temperature Max °C 37,4 36,8 33,7 35,0 34,7 28,5Water flow rate Max m3/h 0,72 1,10 1,44 2,39 3,10 4,41Water side pressure drop Max kPa 12 31 23 22 44 24

SKE electric heater for pre- or post-heatingstages 1 1 1 1 1 1Heating capacity Max kW 4,50 6,00 9,00 12,0 12,0 24,0ΔT air side Max °C 17,6 16,0 16,5 13,6 10,4 12,8Pressure drop Max Pa 6 6 8 8 8 13Power supply V-Ph-Hz 400-3+N-50

High efficiency filtersFC6 Pressure drop Max Pa - 32 41 37 39 31FC7 Pressure drop Max Pa - 110 133 126 134 139FC8 Pressure drop Max Pa - 152 183 174 184 192FT6 Pressure drop Max Pa - 112 141 137 157 163FT7 Pressure drop Max Pa - 132 165 156 191 184FT8 Pressure drop Max Pa - 164 197 189 229 230

(1) external air Winter – 5°C, 80% RH ambient air at 20°C, 50% RH, Summer 32°C 50% RH, ambient air 26°C 50% RH (2) Air outlet conditions of the recovery system, inlet water 7°C, outlet 12°C(3) Air outlet conditions of the recovery system, inlet water 70°C, outlet 60°C

26 Heat pump - Heat recovery unit

PERFORMANCEHEAT RECOVERY UNIT

rke bp

Air flow (m3/h)

E.S.

P. (P

a)

50,0

52,0

54,0

56,0

58,0

60,0

62,0

64,0

0

50

100

150

200

250

300

350

400 500 600 700 800 900 1000

max

min

med

eff %

Effici

ency

(%)

performance

Air flow (m3/h)

P.D

. (Pa

)

0,0

10,0

20,0

30,0

40,0

50,0

60,0

70,0

400 500 600 700 800 900 1000

ske

fc6

skwsafcomponents pressure drop

RKE b

p 10

Air flow (m3/h)

E.S.

P. (P

a)

51,052,053,054,055,056,057,058,059,060,061,062,0

0

50

100

150

200

250

300

350

400

450

500

1000 1200 1400 1600 1800 2000 2200 2400 2600 2800 3000 3200

max

min

med

eff %

Effici

ency

(%)

performance

Air flow (m3/h)

P.D

. (Pa

)

0,0

50,0

100,0

150,0

200,0

250,0

1000 1200 1400 1600 1800 2000 2200 2400 2600 2800 3000 3200

ft8

fc6

ft6

ft7

ske

saf-skw

components pressure drop

RKE b

p 30

Air flow (m3/h)

E.S.

P. (P

a)

48,0

49,0

50,0

51,0

52,0

53,0

54,0

55,0

56,0

57,0

0

50

100

150

200

250

300

350

600 700 800 900 1000 1100 1200 1300 1400

max

min

med

eff %

Effici

ency

(%)

performance

Air flow (m3/h)

E.S.

P. (P

a)

48,0

49,0

50,0

51,0

52,0

53,0

54,0

55,0

0

50

100

150

200

250

300

350

400

700 900 1100 1300 1500 1700 1900 2100

max

min

med

eff %

Effici

ency

(%)

performance

Air flow (m3/h)

P. D

. (Pa

)

0,0

20,0

40,0

60,0

80,0

100,0

120,0

140,0

160,0

180,0

200,0

600 700 800 900 1000 1100 1200 1300 1400

ft8

ske

fc6

saf

ft6

ft7

skw

components pressure drop

Air flow (m3/h)

P.D

. (Pa

)

0,0

50,0

100,0

150,0

200,0

250,0

300,0

700 900 1100 1300 1500 1700 1900 2100

ft8

fc6

ft6

ft7

ske

saf-skw

components pressure drop

RKE b

p 14

RKE b

p 19

27Heat pump - Heat recovery unit

PERFORMANCEHEAT RECOVERY UNITrke bp

Air flow (m3/h)

E.S.

P. (P

a)

51,0

52,0

53,0

54,0

55,0

56,0

0

50

100

150

200

250

300

350

400

3800 4200 4600 5000 5400 5800 6200

max

min

eff %

Effici

ency

(%)

performance

Air flow (m3/h)

P.D

. (Pa

)

0

50

100

150

200

250

300

3800 4200 4600 5000 5400 5800 6200

ft8

ske

saf

skw

ft6

fc6

ft7

components pressure drop

RKE bp 60

Air flow (m3/h)

E.S.

P. (P

a)

51,0

52,0

53,0

54,0

55,0

56,0

57,0

58,0

59,0

0

50

100

150

200

250

300

350

400

450

2000 2200 2400 2600 2800 3000 3200 3400 3600 3800 4000

max

min

eff %

Effici

ency

(%)

performance

Air flow (m3/h)

P.D

. (Pa

)

0,0

50,0

100,0

150,0

200,0

250,0

300,0

2000 2200 2400 2600 2800 3000 3200 3400 3600 3800 4000

ft8

ske

fc6

saf

ft6

ft7

skw

components pressure drop

RKE bp 40

RKE bp SWL [dB]octave band [Hz] SWL SPL supply SPL return SPL outside

1 m 5 m 10 m 1 m 5 m 10 m 1 m 5 m 10 m

63 125 250 500 1000 2000 4000 8000 dB dB(A) dB(A) dB(A) dB(A) dB(A) dB(A) dB(A) dB(A) dB(A) dB(A)

10 72,4 78,9 75,9 71,1 72,8 73,7 71,7 69 83 79 65 53 48 62 50 45 52 40 35

14 91,7 84,5 90 83,2 78,5 79,4 80,3 75,8 95 88 74 62 57 71 59 54 59 47 42

19 90,7 82,9 90,1 79,4 78,6 79,5 79,3 75,5 94 87 72 61 56 69 58 53 58 47 42

30 103,4 83,2 88,7 78,6 80 79,9 77,6 72,6 104 87 72 61 56 69 58 53 59 48 43

40 95,1 88,7 92,2 87,4 81,2 82,3 83,2 78,7 98 91 76 65 60 72 61 56 61 50 45

60 110,9 90,8 94,5 85,1 85 85,4 83,7 79,4 111 93 77 67 62 74 64 59 64 54 49

The table lists the sound power values (SWL) in octave bands and totals; it also indicates the values of sound pressure level (SPL) at 1 m, 5 m and 10 m at supply, return and at the outside of the unit.All values refer to the operation of the ducted unit at FULL speed and at the nominal flow rate.

NOISE LEVELS

SPLSupply

SPLexternal

SPLReturn

28 Heat pump - Heat recovery unit

components pressure drop

components pressure drop

DIMENSIONS AND WEIGHTSHEAT RECOVERY UNIT

rke bp

RKE bp 10 14 19 30 40 60A mm 1150 1350 1450 1700 1700 1900B mm 860 900 900 1230 1230 1450C mm 385 410 470 530 630 755D mm 230 230 280 305 405 530Ø ¾” ¾” ¾” ¾” ¾” 1”

E mm 245 241 241 308 308 379 (334)

F mm 238 224 284 331 377 419 (379)G mm 225 241 241 323 323 379H mm 218 270 270 297 297 350 (403)

H1 mm 267 267 327 387 487 615

L mm 240 240 240 339 339 403 (350)L1 mm 330 337 337 502 502 615M mm -- (81) -- (81) -- (81) -- (101) -- (101) -- (101)

Weight kg 68 91 99 155 179 273O mm 430 450 450 615 615 725P mm 400 700 700 700 800 900Q mm 450 480 480 650 650 757R mm 310 310 410 410 510 610T mm 330 330 330 500 500 600U mm 60 60 60 60 95 95d ('') ¾” ¾” ¾” 1” 1” 1 ½”

Horizontal unit Vertical unit

L1L

HF

ge

H1 C D

UB

Ø

A

Ge

A

m

90B

1/2” h1

ll1

hfc u

SKR

d SAF-SED RKE MS3

Q

RxT

O

RxT

RxT

P

29Heat pump - Heat recovery unit

ORIENTATIONrke bpHEAT RECOVERY UNIT

LCE LC2Manual selection of 3 speed · ·Automatic/manual selection of speed · ·Modulating fan management MCV ·EC fans management DDB ·Manual ON-OFF · ·Cool/change over valve management SAF+V33 · ·Heat valve management SKW+V33 · ·Cold/change over pump management SAF ·Heat pump management SKW ·Direct expansion coil management (0..10V) SED ·Defrost recovery management ·Water coil anti-freeze management · ·ON-OFF electric heater management SKE · ·Filter pressure switch management PSTD · ·Management of ventilation with CO2 probe AQS ·Management of ventilation with one or two pressure sensors DPS ·Free-cooling damper management CDM · ·Management of mixing chamber MS3 ·Management of mixing chamber with CO2 probe AQS+MS3 ·Management of motorized dampers SKR+SSE ·

Management of humidificationHCS+HCP+VSA

·HAS+HCP+VSA

Management of Boost by keyboard ·Management of adiabatic cooling HCP+VSA ·Alarms management · ·Post ventilation · ·Weekly programming · ·Remote ON-OFF · ·Digital input for PIR occupancy ·Digital input for fire alarm ·Mode change (hot/cold) from digital input ·Minimum thermal hot water temperature ·Remote display with internal sensor · ·BMS Modbus RS485 protocol · ·Reference diagram 3 4

• Orientation RKE bp (Horizontal version)

• Orientation RKE bp/v (Vertical version)

TYPE A TYPE B TYPE C TYPE D

A EMER ARM

M RARE MEA

TYPE A TYPE B TYPE C TYPE D

A ER M

M E

E M

R A

A RM RE A

Vertical configuration (with post-heating only type B or C)

A = fresh air E = exhaust R = return M = supply

CONTROLS

30 Heat pump - Heat recovery unit