Ferroli UM 04, UM 10, UM 08, UM 12, UM 20 Technical Manual

...

FCS rem

“CASSETTE” FAN COIL

Mod. 04÷20 - 04-4T÷20-4T

TECHNICAL MANUAL

FERROLI adheres to the EUROVENT certification

programme.

The products concerned appear in the products guide to www.eurovent-certification.com

La ditta costruttrice declina ogni responsabilità per le inesattezze contenute nel presente, se dovute ad errori di stampa o di trascrizioni.

Si riserva il diritto di apportare modifiche e migliorie ai prodotti a catalogo in qualsiasi momento e senza preavviso.

TABLE OF CONTENTS

THIS MANUAL IS DIVIDED INTO SECTIONS. THEIR NAMES APPEAR IN THE HEADING OF EACH PAGE

GENERAL SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

PURPOSE OF THE MACHINE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

AVAILABLE VERSION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

DESCRIPTION OF THE MAIN COMPONENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

CONFIGURATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

TECHNICAL DATA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

OPERATION RANGE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

LIMITS TO OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

HOW TO SELECT THE UNIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

SELECTION CRITERIA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

GENERAL SPECIFICATIONS - IR UNIT FOR COOLING MODE ONLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

2 PIPES VERSION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

MOD. 04 COOLING CAPACITY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

MOD. 08 COOLING CAPACITY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

MOD. 10 COOLING CAPACITY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12

MOD. 12 COOLING CAPACITY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

MOD. 16 COOLING CAPACITY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14

MOD. 20 COOLING CAPACITY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15

4 PIPES VERSION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16

MOD. 04-4T COOLING CAPACITY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16

MOD. 10-4T COOLING CAPACITY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17

MOD. 20-4T COOLING CAPACITY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18

GENERAL SPECIFICATIONS - IP HEAT PUMP UNIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19

2 PIPES VERSION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19

MOD. 04 HEATING CAPACITY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19

MOD. 08 HEATING CAPACITY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20

MOD. 10 HEATING CAPACITY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23

MOD. 12 HEATING CAPACITY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22

MOD. 16 HEATING CAPACITY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23

MOD. 20 HEATING CAPACITY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24

4 PIPES VERSION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25

MOD. 04-4T HEATING CAPACITY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25

MOD. 10-4T HEATING CAPACITY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26

MOD. 20-4T HEATING CAPACITY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27

DATA CORRECTION FACTORS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28

DATA CORRECTION FACTORS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28

WATER PRESSURE DROPS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30

WATER PRESSURE DROP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30

NOISE LEVELS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31

NOISE LEVELS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31

OVERALL DIMENSION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32

DIMENSIONS FOR INSTALLING MODELS 04 - 08 - 10 AND 04-4T AND 10-4T . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32

WET CONNECTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32

DIMENSIONS FOR INSTALLING MODELS 12-16-20 AND 20-4T . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33

WET CONNECTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33

INSTALLATION OPTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34

INSTALLATION OPTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34

PRELIMINARY INSPECTIONS PRIOR TO STARTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35

ACCESSORY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36

ACCESSORY COMBINATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . .36

CONTROL PANEL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36

FUNCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36

DESCRIPTION OF COMMUTATOR (CMR-F) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37

DESCRIPTION OF BASIC THERMOSTAT (TAR-F) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37

DESCRIPTION OF THE EVOLVED THERMOSTAT (TER-F) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37

OVERALL DIMENSIONS OF THE CONTROL PANEL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38

TECHNICAL SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38

INSTALLATION OPTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39

INFRARED REMOTE FOR REM CONFIGURATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40

INFRARED REMOTE DIMENSIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41

VALVE INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42

VALVE TECHNICAL DATA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43

VALVES WORKING PRESSURE DROP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43

ENABLING THERMOSTAT (TC-F) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44

TRAY (BCN) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44

ELECTRICAL CONNECTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45

FOR BASIC CONFIGURATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45

INSTALLATION NOTES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45

1 - ELECTRICAL CONNECTIONS OF THE COMMUTATOR CONTROL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46

2 - ELECTRICAL CONNECTIONS OF THE BASIC THERMOSTAT CONTROL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47

3 - ELECTRICAL CONNECTIONS OF THE EVOLVED THERMOSTAT CONTROL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .48

FOR REM CONFIGURATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .49

Purpose of the machine

The cassette convector fan is a terminal appliance that treats the air in a room both in the summer and winter. The appliance must be installed on the ceiling. It is equipped with a very pleasantly designed grille.

Available version

This new series of cassette type convector fans is available in the version with 2 pipes in 6 sizes and 2.4 to 10 kW nominal cooling capacity ratings and in the version with 4 pipes (-4T) in 3 sizes with 1.9 to 9.8 kW nominal cooling capacity ratings.

Configurations

The series of fan cassette is available in two different configurations.

Basic: no control electronics, combined with the series of control panels for remote installation wall Rem: with its own regulations and infrared remote control to set the parameters.

Description Of The Main Components

The unit consists of a module or main structure containing a finned exchanger, the ventilating unit formed by a three-speed motor and a centrifugal axial fan, a tray to collect the condensation equipped with a pump to drain this off. The electric box, where all the electrical connections required are made during the installation phase, is housed in a convenient position within the main structure. The unit also has a grille made of thermoplastic material and formed by a frame which houses the filter and air flow directing fins plus an intake grille: the air flow directing fins are installed on each side of the grille and can be positioned by hand for Basic configuration and using the engine for Rem configuration. The intake grille is fixed in a practical way that allows it to be easily inspected for servicing and filter cleaning operations. The units in the Rem version it’s equipped by a remote control that permit to control all the working and setting condition of the units.

UNIT VERSION

2 PIPES

04-4T

4 PIPES

10-4T

20-4T

GENERAL SPECIFICATIONS

The company hereby declares that the machine in question complies with the matters prescribed by the following Directives:

• Machinery directive 2006/42/EC

• Electromagnetic compatibility directive (EMC) 2004/108/EC

• Low voltage directive (LVD) 2006/95/EC

The manufacturer is associated with the EUROVENT certification program. The products are listed in the certified products guide www.eurovent-certification.com

Technical data

The specifications below apply to both the base and Rem configuration

(4) Heating mode Operation. Data referred to:

- Inlet water temperature: 70°C, water Δt = 10°C and water flow rate at the maximum fan speed.

- The water flow rate for medium and minimum fan speeds are the same at the maximum fan speed.

- Ambient air temperature.: 20°C D.B. 19°C W.B

(5) Sound pressure in a 100 m

room with 0.5 sec. reverberation time.

(6) Maximum height for water discharge pump = 200 mm

NOTES:

(1) Cooling mode Operation. Data referred to:

- Inlet water temperature: 7°C, water Δt = 5°C and water flow rate at the maximum fan speed.

- The water flow rate for medium and minimum fan speeds are the same at the maximum fan speed.

- Ambient air temperature.: 27°C D.B. 19°C W.B

(2) Data referred to the maximum fan speed.

(3) Heating mode Operation. Data referred to:

- Inlet water temperature: 50°C, and the same water flow rate as in the cooling mode.

MODEL UM 04 08 10 12 16 20 04-4T 10-4T 20-4T Version - 2 Pipes 4 Pipes

Cooling capacity

(1)

min W 1550 1900 2850 3400 3170 3900 1230 2500 4100

med W 1800 2850 3500 4500 5100 7100 1430 3050 7300

max W 2400 4000 4700 6300 7600 10000 1900 4000 9800

Water flow rate

(2)

l\h 413 688 808 1084 1307 1720 327 688 1686

Water Pressure Drop

(1)(2)

kPa 9 12 20 22 14 24 10,8 19,7 30

Heating capacity

(3)

min W 2600 2410 4050 4700 4300 5400 - - -

med W 3000 4090 4800 6300 7300 10000 - - -

max W 3800 5000 6600 8700 10800 13900 - - -

Water flow rate

(3)

l\h 413 688 808 1084 1307 1720 - - -

Heating capacity

(4)

min W 4850 4700 7200 8200 8400 9850 1240 2730 5100

med W 5600 8000 8500 10800 13200 17500 1440 3500 7900

max W 7110 9770 11760 14600 18000 24500 1900 4610 9000

Water flow rate

(4)

l\h 611 840 1011 1256 1548 2107 163 396 774

Power supply

V-F-Hz 230-1-50

Indoor fan air flow rate

min

m3\h

360 300 470 550 550 700 360 470 700

med

m3\h

450 490 600 770 910 1220 450 600 1220

max

m3\h

660 700 850 1100 1300 1750 660 850 1750

Sound power level

dB(A) 33 32 42 34 40 42 33 42 42

dB(A) 38 45 48 40 49 55 38 50 55

dB(A) 49 54 57 49 56 63 49 58 63

Sound pressure level

(5)

min dB(A) 25 24 34 26 32 34 25 34 34

med dB(A) 30 37 40 32 41 47 30 42 47

max dB(A) 41 46 49 41 48 55 41 50 55

Power input

min W 35 35 55 33 40 70 35 55 70

med W 45 55 75 51 75 140 45 75 140

max W 70 85 95 85 120 200 70 95 200

N° fans

n° 1

Unit weight with grille

kg 21,5 22,5 22,5 46 48 51 21,5 22,5 51

Main coil connections “

3/4 3/4 3/4 1 1 1 3/4 3/4 1

Secondary coil connections “ - - - - - -

1/2 1/2 3/4

Condensation draining connections

(6)

mm 25 25 25 25 25 25 25 25 25

GENERAL SPECIFICATIONS

OPERATION RANGE

Limits to operation

The main limits to operation for the machine in question are given in the following table:

MODEL U.M. 04 08 10 12 16 20 04-4T 10-4T 20-4T

Temperature limits max (°C) 80

Pressure limits max (bar) 14

Water flow rate limits

Main coil

max (l/h) 1000 1600 1800 3000 1000 1400 3000

min (l/h) 200 300 400 600 200 300 600

Water flow rate limits

Coil for heating only

max (l/h) / / / / / / 700 1200 2000

min (l/h) / / / / / / 100 200 400

Dry bulb temperature [°C]

Wet bulb temperature [°C]

Minimum tem-

perature of inlet

water

To prevent condensation from forming on the external structure of the appliance, the minimum temperature of the water must not drop below the limits given in the graph on the left, which depend on the thermo-hygrometric conditions of the surrounding air. The above limits refer to operation at minimum speed.

If the appliance is used to cool the room, it is obligatory to install an on-off valve for the water, both to control the ambient temperature and to shut off the water supplied to the coil is the condensation level rises to an abnormal degree.

HOW TO SELECT THE UNIT

Selection criteria

Example of how the unit is selected:

An example of how the unit is selected has been given for explanatory purposes and to illustrate how the graphs or tables in the documentation are used. The selection will be made supposing that the unit is to be operated at the same conditions, but installed in two different types of system:

A) system with two pipes for heating and cooling B) system with four pipes

A unit able to guarantee the following performances must be selected: Total cooling capacity 3600 [Watt] Sensitive cooling capacity 2900 [Watt] Operating ambient temperature 27 [°C] D.B and 19 [°C ] W.B The value must be obtained at the medium speed. Heating capacity 4500 [Watt] Operating ambient temperature 20 [°C] d.b. Water flow rate as in operation in the cooling mode for the unit with two pipes. The value must be obtained at the medium speed.

- Selection A (unit for system with two pipes)

The efficiency values of the “COOLING AND HEATING EFFICIENCIES” tables refer to the maximum speed of the fan. The correction coefficients in the “DATA CORRECTION FACTORS” tables can be used to determine the efficiencies at the medium and minimum speeds. To use the tables, the parameters of the required values must be calculated again, considering operation at the maximum speed.

Checking the "Technical Data" table for all the models, the suitable unit model according the required performances and operating conditions is the model 10, which provides as standard cooling capacity the following ones:: Total cooling capacity required at the maximum speed = 4700 [Watt] Total cooling capacity required at the medium speed = 3500 [Watt]

Cooling operating conditions

Operating conditions deqfinition for the required performances. By the " DATA CORRECTION FACTORS" table and using the right correction values for the selected model, the required performances are:

Total cooling capacity required at the maximum speed Pft max = 3600/0.74 = 4865 [Watt] Sensible cooling effect required at the maximum speed Pft max = 2900/0.72 = 4028 [Watt] Considering that the total efficiency value in the cooling mode mainly depends on the wet bulb temperature of the air, while the sensible cooling effect depends on the dry bulb temperature, the ratio between the two remains more or less fixed and characteristic of each model since these operating temperatures are set beforehand. The choice will therefore tend to consider the total cooling efficiency as priority. The "Cooling capacity" table for the selected model 10 can be used to calculate the required cooling capacity and to obtain the following: inlet water temperature 5[°C] and a Δt of 6.6[°C] inlet water temperature 6[°C] and a Δt of 5.6[°C] inlet water temperature 7[°C] and a Δt of 4.6[°C] a sensible efficiency of 4000 [Watt] corresponds in both cases Supposing that the water enters the fan coil at a temperature of 7[°C] and with Δt of 4.6[°C], the following water flow rate must be guaranteed:

where: Qw= Water flow rate [l/h]

ρw1= Density of the water at 10 °C [kg/dm³] Cpw1= Specific heat of the water at 10°C [J/kg·K]

The calculations are used to find the conditions in which the unit must be supplied so as to obtain the total efficiency values envisaged at maximum speed. Bearing in mind that the tables are of value and that their parameters can be re-calculated so long as the same water flow rate is maintained, the effective Δt value at the medium speed will be:

HOW TO SELECT THE UNIT

Selection of the model and the operating conditions in the cooling mode will therefore be as follows Model 10 Total cooling capacity 3600 [Watt] Sensible cooling effect 4000·0.72=2880 [Watt] Inlet water temperature 7[°C] Δt of the water 3.4[°C] Water flow rate 908[l/h]

The loss of head can be calculated from the “WATER PRESSURE DROPS” graph and is 25[KPa]. If the loss of head is incompatible with the characteristics of the pump in the circuit, it would be possible to opt for the solution with different inlet temperature and Δt values so as to modify the water flow rate delivered to the unit. If valve kit VTV-1 is used, the additional loss of head with the unit supplied can be calculated from the “WATER PRESSURE DROP VALVES” graph and is 12 [KPa]

Heating operating conditions

Calculation of the optimal conditions in which the unit must be supplied so as to obtain the required Heating capacity. Let us suppose that a system with two pipes is used and that it must operate with the same water flow rate calculated for operation in the cooling mode. Here again, the parameters of the required power must be re-calculated, considering that the fan will operate at maximum speed. The correction coefficients in the “DATA CORRECTION FACTORS” table can be used to calculate the required Heating capacity at the maximum speed Pt max = 4500/0.73 = 6164 [Watt] In this case, the required Δt can be easily calculated as both the flow rate and efficiency are fixed values. Supposing that a 908 [l/h] flow rate is used, the result will be:

where: Qw= Water flow rate [l/h]

ρw2= Density of the water at 60 °C [kg/dm³] Cpw2= Specific heat of the water at 60°C [J/kg·K]

By interpolating the values in the “HEATING EFFICIENCIES” table for model 10, one calculates that to obtain the required power, the unit must be supplied with water at a temperature of about 47 [°C]. The effective value of Δt at the medium speed will be:

Selection of the model and the operating conditions in the cooling mode will therefore be as follows Model 10 Heating capacity 4500 [Watt] Inlet water temperature 47.0[°C] Δt of the water 4.36[°C] Water flow rate 908[l/h]

The “NOISE LEVELS” table can now be used to calculate the value of the noise created by the selected unit, remembering that this is model 10, operating at the medium speed to which a 48 dB[A] sound power and sound pressure of 40 dB[A] measured at the indicated conditions correspond.

- Selection B (unit for system with four pipes)

Checking the "Technical Data" table for all the models, the suitable unit model according the required performances and ope-

rating conditions is the model 10-4T, which provides as standard heating capacity the following ones:: Total cooling capacity required at the maximum speed = 4000 [Watt] Total cooling capacity required at the medium speed = 3050 [Watt]

Cooling operating conditions

Operating conditions deqfinition for the required performances. By the " DATA CORRECTION FACTORS" table and using the right correction values for the selected model, the required performances are:

Total cooling capacity required at the maximum speed Pft max = 3600/0.76 = 4737 [Watt] Sensible cooling effect required at the maximum speed Pft max = 2900/0.76 = 3815 [Watt]

HOW TO SELECT THE UNIT

The "Cooling capacity" table for the selected model 10-4T can be used to calculate the required cooling capacity and to obtain the following: Total efficiency = 4737 [Watt] with water in the following conditions. inlet water temperature 5[°C] and a Δt of 5.4 [°C] inlet water temperature 6[°C] and a Δt of 4.35[°C] inlet water temperature 7[°C] and a Δt of 3.3 [°C] a sensible efficiency of 3700 [Watt] corresponds in both cases

Supposing that the water enters the fan coil at a temperature of 6[°C] and with Δt of 4.35[°C], the following water flow rate must be guaranteed:

where: Qw= Water flow rate [l/h]

ρw1= Density of the water at 10 °C [kg/dm³] Cpw1= Specific heat of the water at 10°C [J/kg·K]

The calculations are used to find the conditions in which the unit must be supplied so as to obtain the total efficiency values envisaged at the maximum speed. Bearing in mind that the tables are of value and that their parameters can be re-calculated so long as the same water flow rate is maintained, the effective Δt value at medium speed will be:

Selection of the model and the operating conditions in the cooling mode will therefore be as follows Model 10-4T Total cooling capacity 3500 [Watt] Sensible cooling effect 3900·0.76=2964 [Watt] Inlet water temperature 6[°C] Δt of the water 3.31[°C] Water flow rate 938[l/h]

A 28 kPa water pressure drop is given in the "water pressure drop" graph, on a level with the determined water flow rate and the curve of the selected model. If you would use the 3-way valve kit (VTV1), the water pressure drop, given in the "valve working pressure drop" would be 15 [KPa].

Heating operating conditions

Refer to the 10-4T size in the “HEATING EFFICIENCIES” table for the efficiency values in the heating mode. Remember that the data in the documentation refer to the maximum speed of the fan, thus the parameters of the required efficiency value must be calculated again. The “DATA CORRECTION FACTORS” tables must therefore be used. Heating capacity required at the maximum speed Pt max = 4500/0.76 = 5921 [Watt]

The “HEATING EFFICIENCIES” table shows that with ambient air at a temperature of 20 [°C], model 10-4T is unable to provide this output, even when fed with water at 80 [°C] and with a minimum Δt of about 6 [°C]. In these conditions, the maximum power delivered by the unit at maximum speed is, in fact, 5774 [Watt]. In this case, the only thing to do is to operate at the maximum speed. If this is done, the required value 4500 [Watt] is obtained at an inlet water temperature of 70[°C] and with a Δt of 12[°C].

The required water flow rate of the water is therefore: Qw= Water flow rate [l/h]

ρw3= Density of the water at 70 °C [kg/dm³] Cpw3= Specific heat of the water at 70°C [J/kg·K]

This water flow rate is compatible with the limits indicated in the “LIMITS TO OPERATION” section while the exchanger’s loss of head can be found in the “WATER PRESSURE DROPS” graph for model 104-4T secondary exchanger, and is 40 [Kpa]. If valve kit VTV-3 is used, the additional loss of head with the unit supplied can be calculated from the “WATER PRESSURE DROP VALVES” graph and is 1 [KPa]

The “NOISE LEVELS” table can now be used to calculate the value of the noise created by the selected unit, remembering that this is model 10-4T, operating at the medium speed in the cooling mode and at the maximum speed in the heating mode to which a 50 and 58 dB[A] sound power and a corresponding sound pressure of 42 and 50 dB[A] measured at the indicated conditions, respectively correspond.

GENERAL SPECIFICATIONS - IR UNIT FOR COOLING MODE ONLY

Mod. 04 Cooling Capacity

The tables give the performances in cooling mode at operating conditions differing from the nominal ones. The data given refer to the maximum fan speed. The ones corresponding to the medium and minimum speeds can be calculated by applying the corresponding correction coefficients (see “Data correction factors”).

WB = Wet Bulb. DB = Dry Buld. DT = Temperature difference between inlet-outlet. NOTE: Sensible efficiency values exceeding the total efficiency

TOTAL Cooling Capacity

Water

W.B. Inlet air temp.

Inlet

temp.

15 17 19 21 23

3 2030 2712 3432 0 0 4 1798 2478 3191 4008 0 5 1555 2201 2950 3729 4560 6 0 1916 2676 3485 4328 7 0 1645 2358 3206 4073

3 1784 2408 3192 0 0 4 1579 2039 2936 3720 4560 5 1363 1946 2688 3320 4297 6 0 1664 2384 3212 4059 7 0 0 2067 2921 3798

3 1559 2191 2928 0 0 4 1377 1948 2671 3436 4296 5 1192 1707 2400 3198 4025 6 0 1446 2108 2928 3784 7 0 0 1788 2605 3502

3 1364 1074 2636 3408 0 4 1220 1708 2393 3164 4032 5 0 1487 2122 2913 3753 6 0 0 1848 2626 3488 7 0 0 0 2303 3192

3 1222 1676 2367 3168 0 4 1095 1494 2112 2884 3744 5 0 1297 1861 2614 3463 6 0 0 1602 2323 3185 7 0 0 0 2003 2867

3 1103 1460 2079 2856 0 4 966 1305 1845 2594 3408 5 0 0 1616 2309 3161 6 0 0 0 2026 2873 7 0 0 0 1730 2539

3 980 1286 1805 2545 3360 4 0 1169 1606 2287 3116 5 0 0 1414 2021 2850 6 0 0 0 1766 2541 7 0 0 0 0 2225

3 840 1165 1563 2245 3096 4 0 1046 1396 1994 2807 5 0 0 1239 1761 2520 6 0 0 0 1530 2215 7 0 0 0 0 1926

3 744 1008 1416 1948 2784 4 0 0 1248 1730 2482 5 0 0 0 1525 2201 6 0 0 0 0 1925 7 0 0 0 0 1659

SENSIBLE Cooling Capacity

D.B. Inlet air temp.

21 23 25 27 29 31

1888 2287 2562 2829 3088 3381 1817 2131 2437 2715 2986 3244 1629 1966 2293 2587 2868 3138 1470 1770 2118 2446 2737 3018 1366 1632 1920 2264 2592 2887 1825 2127 2420 2693 2955 3207 1667 1977 2290 2576 2850 3111 1464 1814 2139 2447 2731 3003 1330 1627 1957 2290 2598 3154 1242 1499 1781 2107 2450 2747 1674 1984 2284 2555 2820 3077 1501 1827 2134 2437 2715 2979 1318 1656 1979 2300 2589 2866 1202 1485 1802 2137 2456 2742 1118 1366 1650 1942 2287 2604 1510 1830 2127 2416 2685 2944 1348 1678 1982 2298 2574 2846 1181 1489 1832 2146 2451 2730 1076 1341 1645 1978 2300 2602

993 1242 1508 1794 2129 2461 1361 1679 1983 2278 2548 2811 1186 1525 1836 2144 2436 2707 1042 1329 1678 1989 2302 2588

953 1204 1495 1827 2147 2458

868 1118 1369 1659 1806 1926 1212 1518 1831 2125 2409 2675 1028 1365 1690 1994 2296 2570

910 1189 1524 1844 2149 2447

838 1076 1351 1670 1998 2304

739 993 1241 1525 1811 2145 1059 1368 1684 1982 2272 2539

888 1209 1532 1841 2144 2428

787 1051 1353 1693 2004 2302

700 953 1212 1513 1848 2157

610 868 111 7 1377 1670 1998

901 1220 1523 1833 2120 2400

747 1045 1380 1697 1998 2292

661 913 1198 1546 1855 2151

572 827 1078 1360 1696 2010

473 739 993 1244 1534 1845

733 1069 1375 1677 1980 2215

620 895 1227 1543 1845 2140

534 786 1058 1378 1708

2006

446 572 952 1222 1537

1861

322 610 868 1117 1388

1693

2 Pipes Version

value should be interpreted as an absence of dehumidification. Only the sensible efficiency values should be considered. NOTE: Values that are not given refer to operating conditions beyond the operating limits.

GENERAL SPECIFICATIONS - IR UNIT FOR COOLING MODE ONLY

Mod. 08 Cooling Capacity

TOTAL Cooling Capacity

Water

W.B. Inlet air temp.

Inlet

temp.

15 17 19 21 23

3 3383 4520 0 0 0 4 2997 4129 5318 0 0 5 2592 3669 4917 6215 7600 6 2241 3194 4460 5808 7213 7 0 2742 3929 5343 6789

3 2973 4014 0 0 0 4 2632 3398 4893 6200 0 5 2272 3243 4480 5534 7162 6 0 2773 3974 5354 6766 7 0 0 3444 4868 6330

3 2598 3651 4880 0 0 4 2294 3246 4452 5727 0 5 1987 2845 4000 5331 6708 6 0 2409 3514 4880 6306 7 0 0 2980 4341 5837

3 2274 1790 4394 0 0 4 2033 2846 3988 5273 0 5 1838 2479 3536 4855 6255 6 0 2128 3080 4376 5813 7 0 0 2629 3838 5321

3 2036 2793 3945 0 0 4 1824 2490 3520 4807 6240 5 0 2162 3102 4356 5772 6 0 0 2670 3872 5308 7 0 0 0 3339 4778

3 1838 2434 3464 4760 0 4 1610 2175 3075 4324 5680 5 0 1912 2693 3848 5268 6 0 0 2311 3377 4789 7 0 0 0 2883 4232

3 1634 2143 3008 4242 0 4 1400 1949 2676 3812 5194 5 0 0 2357 3368 4750 6 0 0 0 2944 4235 7 0 0 0 2492 3709

3 1400 1942 2606 3742 0 4 0 1743 2327 3324 4679 5 0 0 2064 2935 4199 6 0 0 0 2549 3692 7 0 0 0 0 3210

3 1240 1680 2360 3246 4640 4 0 1520 2080 2883 4136 5 0 0 1843 2542 3668 6 0 0 0 2215 3208 7 0 0 0 0 2764

SENSIBLE Cooling Capacity

D.B. Inlet air temp.

21 23 25 27 29 31

2709 3281 3676 4060 4431 4851 2607 3057 3497 3895 4284 4655 2337 2820 3290 3712 4116 4502 2109 2540 3039 3509 3927 4331 1960 2342 2755 3249 3719 4142 2619 3052 3473 3863 4239 4602 2391 2837 3286 3696 4089 4463 2100 2603 3069 3510 3918 4309 1909 2334 2807 3286 3728 4525 1782 2151 2556 3022 3515 3941 2401 2846 3277 3666 4046 4415 2154 2621 3062 3497 3895 4275 1891 2376 2840 3300 3714 4113 1725 2131 2585 3066 3523 3934 1605 1960 2367 2786 3282 3737 2166 2625 3052 3467 3852 4224 1934 2408 2843 3297 3693 4083 1694 2136 2628 3079 3517 3916 1544 1924 2360 2839 3300 3734 1425 1782 2164 2574 3055 3531 1953 2409 2846 3268 3656 4033 1702 2187 2634 3076 3495 3884 1494 1908 2407 2854 3303 3713 1367 1728 2145 2622 3081 3527 1245 1605 1964 2380 2592 2764 1738 2178 2627 3049 3457 3838 1475 1958 2425 2861 3294 3688 1306 1706 2186 2646 3083 3511 1202 1544 1938 2396 2867 3306 1061 1425 1780 2188 2598 3078 1519 1963 2416 2844 3259 3643 1274 1735 2197 2641 3076 3484 1129 1507 1941 2428 2875 3303 1005 1367 1739 2171 2652 3094

875 1245 1603 1975 2396 2867 1292 1750 2185 2630 3042 3444 1072 1500 1980 2435 2866 3288

948 1309 1719 2218 2661 3086

821 1187 1546 1951 2434 2884

678 1061 1425 1784 2202 2647 1052 1533 1973 2406 2841 3178

889 1283 1760 2214 2648 3071

766 1128 1519 1977 2451

2878

640 820 1365 1754 2205

2670

463 875 1245 1603 1992

2429

WB = Wet Bulb. DB = Dry Buld. DT = Temperature difference between inlet-outlet. NOTE: Sensible efficiency values exceeding the total efficiency

GENERAL SPECIFICATIONS - IR UNIT FOR COOLING MODE ONLY

Mod. 10 Cooling Capacity

TOTAL Cooling Capacity

Water

W.B. Inlet air temp.

Inlet

temp.

15 17 19 21 23

3 3975 0 0 0 0 4 3521 4852 6249 0 0 5 3045 4311 5778 7302 0 6 2633 3753 5240 6824 8475 7 0 3222 4617 6279 7976

3 3493 4716 0 0 0 4 3093 3993 5749 0 0 5 2670 3811 5264 6502 0 6 2333 3258 4669 6291 7949 7 0 2845 4047 5720 7438

3 3052 4290 0 0 0 4 2696 3815 5231 0 0 5 2335 3343 4700 6264 7882 6 2105 2831 4129 5733 7410 7 0 2527 3502 5101 6858

3 2672 2104 0 0 0 4 2389 3344 4686 6196 0 5 2159 2913 4155 5704 7349 6 0 2500 3619 5142 6830 7 0 0 3089 4510 6252

3 2392 3282 4636 0 0 4 2143 2926 4136 5648 0 5 1865 2540 3645 5118 6782 6 0 2229 3138 4550 6237 7 0 0 2716 3923 5615

3 2159 2860 4071 0 0 4 1892 2556 3613 5081 0 5 0 2247 3164 4521 6190 6 0 0 2716 3968 5627 7 0 0 0 3387 4973

3 1920 2518 3535 0 0 4 1645 2290 3144 4479 6103 5 0 1994 2770 3957 5581 6 0 0 2388 3459 4976 7 0 0 0 2928 4358

3 1645 2282 3062 4397 0 4 1410 2048 2734 3906 5498 5 0 1786 2426 3448 4934 6 0 0 2134 2996 4338 7 0 0 0 2583 3771

3 1457 1974 2773 3814 0 4 0 1786 2444 3387 4860 5 0 0 2165 2987 4310 6 0 0 0 2603 3770 7 0 0 0 0 3248

SENSIBLE Cooling Capacity

D.B. Inlet air temp.

21 23 25 27 29 31

3202 3878 4345 4798 5237 5733 3081 3613 4132 4603 5063 5501 2761 3333 3889 4387 4864 5321 2492 3001 3591 4147 4641 5118 2316 2767 3256 3839 4395 4895 3095 3606 4104 4566 5010 5439 2826 3353 3883 4368 4833 5275 2482 3077 3627 4149 4630 5093 2256 2759 3318 3884 4406 5348 2106 2542 3021 3572 4154 4658 2838 3364 3873 4333 4781 5218 2546 3098 3619 4133 4603 5052 2234 2808 3356 3900 4390 4861 2038 2518 3055 3623 4164 4649 1896 2316 2797 3293 3879 4416 2560 3103 3607 4098 4552 4992 2285 2845 3360 3896 4364 4826 2002 2524 3106 3639 4156 4629 1825 2273 2789 3355 3900 4413 1684 2106 2557 3042 3611 4174 2309 2847 3363 3863 4321 4766 2011 2585 3113 3636 4130 4590 1766 2254 2845 3373 3904 4389 1615 2042 2535 3099 3641 4169 1471 1896 2321 2813 3063 3266 2054 2574 3105 3603 4085 4535 1743 2314 2866 3381 3893 4358 1543 2017 2584 3127 3644 4150 1421 1825 2290 2831 3388 3907 1254 1684 2104 2586 3071 3637 1795 2320 2855 3361 3852 4306 1505 2050 2597 3122 3636 4117 1334 1782 2294 2870 3398 3903 1187 1615 2055 2566 3134 3657 1034 1471 1894 2335 2831 3388 1527 2069 2582 3108 3596 4070 1267 1772 2340 2878 3387 3886 1121 1547 2031 2621 3145 3647

971 1402 1827 2306 2876 3408

801 1254 1684 2109 2602 3128 1243 1812 2332 2844 3358 3756 1051 1517 2080 2616 3129 3629

905 1333 1795 2336 2896

3401

757 969 1614 2073 2606

3156

547 1034 1471 1894 2354

2871

WB = Wet Bulb. DB = Dry Buld. DT = Temperature difference between inlet-outlet. NOTE: Sensible efficiency values exceeding the total efficiency

GENERAL SPECIFICATIONS - IR UNIT FOR COOLING MODE ONLY

Mod. 12 Cooling Capacity

TOTAL Cooling Capacity

Water

W.B. Inlet air temp.

Inlet

temp.

15 17 19 21 23

3 5328 0 0 0 0 4 4720 6504 0 0 0 5 4082 5778 7745 9788 0 6 3530 5030 7024 9147 11360 7 0 4319 6189 8416 10692

3 4682 0 0 0 0 4 4145 5352 7707 0 0 5 3579 5108 7056 8715 0 6 3127 4367 6259 8432 10656 7 0 3813 5425 7667 9970

3 4092 5750 0 0 0 4 3614 5113 7012 0 0 5 3130 4481 6300 8396 0 6 2821 3795 5534 7685 9932 7 0 3387 4694 6838 9193

3 3581 2820 0 0 0 4 3202 4483 6281 8305 0 5 2895 3904 5569 7646 9851 6 0 3352 4852 6892 9156 7 0 0 4140 6045 8380

3 3207 4399 6214 0 0 4 2873 3922 5543 7571 0 5 2500 3405 4886 6861 9091 6 0 2987 4206 6099 8360 7 0 0 3641 5259 7526

3 2895 3834 5456 0 0 4 2536 3426 4842 6810 0 5 0 3012 4241 6060 8297 6 0 0 3640 5318 7542 7 0 0 0 4540 6666

3 2573 3375 4738 0 0 4 2205 3069 4215 6004 8180 5 0 2673 3713 5304 7481 6 0 0 3201 4636 6670 7 0 0 0 3924 5841

3 2205 3059 4104 5894 0 4 1890 2745 3665 5235 7369 5 0 2394 3251 4622 6614 6 0 0 2860 4015 5815 7 0 0 0 3463 5055

3 1953 2646 3717 5112 0 4 0 2394 3276 4541 6514 5 0 0 2902 4003 5777 6 0 0 0 3489 5053 7 0 0 0 0 4354

SENSIBLE Cooling Capacity

D.B. Inlet air temp.

21 23 25 27 29 31

4269 5170 5793 6397 6982 7644 4108 4817 5510 6138 6751 7335 3682 4444 5185 5849 6485 7094 3323 4002 4789 5529 6188 6824 3088 3690 4342 5119 5860 6527 4127 4809 5472 6087 6680 7252 3768 4471 5178 5824 6444 7033 3310 4102 4836 5531 6174 6790 3008 3678 4423 5178 5874 7130 2808 3389 4027 4763 5539 6210 3784 4485 5164 5777 6375 6958 3394 4130 4825 5510 6137 6736 2979 3743 4475 5200 5853 6481 2718 3358 4073 4831 5552 6199 2529 3088 3729 4390 5171 5888 3413 4137 4809 5463 6070 6657 3047 3794 4480 5195 5819 6435 2670 3365 4141 4851 5542 6171 2433 3031 3719 4473 5199 5884 2245 2808 3410 4057 4814 5565 3078 3796 4484 5150 5762 6354 2681 3447 4150 4848 5507 6120 2355 3006 3793 4497 5205 5851 2153 2723 3380 4132 4854 5558 1961 2529 3095 3750 4084 4355 2739 3433 4140 4804 5447 6047 2324 3085 3821 4508 5190 5811 2058 2689 3445 4170 4859 5533 1894 2433 3054 3775 4518 5209 1672 2245 2805 3448 4095 4850 2394 3093 3807 4481 5136 5741 2007 2734 3463 4162 4847 5490 1778 2375 3058 3827 4530 5204 1583 2153 2740 3421 4178 4876 1378 1961 2525 3113 3775 4518 2036 2758 3443 4144 4794 5427 1690 2363 3120 3838 4516 5181 1495 2063 2708 3495 4193 4863 1294 1870 2436 3075 3835 4544 1068 1672 2245 2812 3469 4171 1658 2416 3110 3792 4477 5007 1401 2022 2773 3489 4172 4839 1207 1777 2393 3115 3862

4535

1009 1292 2152 2764 3474

4208

729 1378 1961 2525 3139

3827

WB = Wet Bulb. DB = Dry Buld. DT = Temperature difference between inlet-outlet. NOTE: Sensible efficiency values exceeding the total efficiency

GENERAL SPECIFICATIONS - IR UNIT FOR COOLING MODE ONLY

Mod. 16 Cooling Capacity

TOTAL Cooling Capacity

Water

W.B. Inlet air temp.

Inlet

temp.

15 17 19 21 23

3 6427 8588 0 0 0 4 5694 7846 10105 12692 0 5 4924 6971 9343 11808 14440 6 4258 6068 8473 11035 13704 7 0 5210 7466 10153 12898

3 5648 7626 10108 0 0 4 5001 6456 9297 11780 0 5 4318 6162 8512 10514 13607 6 0 5268 7551 10172 12855 7 0 0 6544 9249 12027

3 4936 6937 9272 0 0 4 4359 6168 8459 10881 13604 5 3776 5406 7600 10128 12745 6 0 4578 6676 9271 11982 7 0 0 5663 8249 11089

3 4320 3402 8348 0 0 4 3863 5408 7577 10019 12768 5 3492 4710 6718 9224 11884 6 0 0 5853 8314 11045 7 0 0 4994 7292 10109

3 3868 5307 7496 10032 0 4 3466 4731 6687 9134 11856 5 0 4107 5895 8276 10967 6 0 0 5074 7357 10085 7 0 0 0 6344 9079

3 3492 4625 6582 9044 0 4 3060 4133 5842 8216 10792 5 0 3634 5117 7311 10009 6 0 0 4392 6416 9099 7 0 0 0 5477 8041

3 3104 4072 5716 8059 0 4 0 3703 5085 7243 9868 5 0 0 4479 6398 9024 6 0 0 0 5593 8047 7 0 0 0 0 7046

3 2660 3690 4951 7110 9804 4 0 3311 4422 6316 8890 5 0 0 3922 5576 7979 6 0 0 0 4844 7015 7 0 0 0 0 6098

3 2356 3192 4484 6167 8816 4 0 2888 3952 5478 7858 5 0 0 3501 4830 6969 6 0 0 0 4209 6096 7 0 0 0 0 5252

SENSIBLE Cooling Capacity

D.B. Inlet air temp.

21 23 25 27 29 31

4195 5081 5692 6286 6862 7512 4037 4733 5415 6032 6634 7208 3618 4367 5095 5748 6373 6971 3265 3933 4706 5434 6081 6706 3035 3626 4267 5030 5759 6414 4055 4725 5377 5982 6565 7126 3703 4393 5088 5723 6332 6911 3252 4031 4752 5436 6067 6673 2956 3615 4347 5088 5772 7007 2759 3330 3958 4680 5443 6103 3718 4407 5074 5677 6265 6837 3336 4059 4742 5415 6031 6619 2928 3679 4397 5110 5752 6369 2671 3300 4003 4747 5456 6091 2485 3035 3665 4314 5082 5786 3354 4065 4726 5369 5965 6541 2994 3728 4403 5105 5718 6323 2624 3307 4069 4767 5446 6065 2391 2979 3655 4396 5109 5782 2206 2759 3351 3986 4731 5468 3025 3730 4406 5061 5662 6245 2635 3387 4078 4764 5412 6014 2314 2954 3728 4420 5115 5750 2116 2676 3321 4060 4770 5462 1927 2485 3041 3685 4013 4279 2692 3373 4068 4721 5352 5942 2284 3032 3755 4430 5100 5710 2022 2642 3385 4098 4775 5437 1862 2391 3001 3710 4440 5119 1643 2206 2756 3388 4024 4766 2352 3040 3741 4403 5047 5642 1972 2686 3403 4090 4763 5395 1748 2334 3005 3760 4452 5114 1556 2116 2693 3362 4106 4792 1354 1927 2482 3059 3710 4439 2001 2711 3383 4072 4711 5333 1660 2322 3066 3771 4438 5091 1469 2028 2661 3434 4120 4778 1272 1837 2394 3021 3769 4465 1050 1643 2206 2763 3409 4098 1629 2375 3056 3726 4400 4921 1377 1987 2725 3428 4100 4756 1186 1746 2351 3061 3795

4457

992 1270 2114 2716 3414

4135

716 1354 1927 2482 3084

3761

WB = Wet Bulb. DB = Dry Buld. DT = Temperature difference between inlet-outlet. NOTE: Sensible efficiency values exceeding the total efficiency

GENERAL SPECIFICATIONS - IR UNIT FOR COOLING MODE ONLY

Mod. 20 Cooling Capacity

TOTAL Cooling Capacity

Water

W.B. Inlet air temp.

Inlet

temp.

15 17 19 21 23

3 8457 0 0 0 0 4 7492 10324 13296 0 0 5 6479 9172 12294 15537 0 6 5603 7985 11149 14519 18032 7 5069 6856 9824 13359 16971

3 7431 10035 0 0 0 4 6580 8495 12233 0 0 5 5681 8108 11200 13834 0 6 4963 6931 9935 13384 16914 7 0 6052 8611 12170 15825

3 6495 9127 0 0 0 4 5736 8116 11131 0 0 5 4968 7113 10000 13327 16769 6 4478 6024 8784 12199 15765 7 0 5377 7451 10854 14591

3 5684 4476 0 0 0 4 5083 7116 9970 13182 0 5 4595 6197 8840 12137 15636 6 0 5320 7701 10940 14533 7 0 0 6572 9595 13302

3 5090 6983 9864 0 0 4 4561 6225 8799 12018 0 5 3968 5405 7756 10890 14431 6 0 4742 6676 9680 13270 7 0 0 5779 8347 11946

3 4595 6085 8661 0 0 4 4026 5439 7686 10810 0 5 3500 4781 6732 9619 13170 6 0 4274 5778 8442 11972 7 0 0 5139 7207 10581

3 4084 5357 7520 0 0 4 3500 4872 6690 9530 12985 5 0 4243 5893 8419 11874 6 0 0 5082 7359 10588 7 0 0 0 6229 9272

3 3500 4856 6514 9355 0 4 3000 4357 5818 8310 11697 5 0 3800 5161 7337 10498 6 0 0 4539 6373 9230 7 0 0 0 5496 8024

3 3100 4200 5900 8115 0 4 0 3800 5200 7207 10340 5 0 0 4607 6355 9169 6 0 0 0 5538 8021 7 0 0 0 0 6911

SENSIBLE Cooling Capacity

D.B. Inlet air temp.

21 23 25 27 29 31

5870 7109 7965 8796 9601 10511 5649 6623 7576 8440 9283 10086 5063 6 111 7129 8043 8917 9755 4569 5503 6584 7603 8509 9383 4247 5074 5970 7038 8058 8974 5674 6612 7524 8370 9185 9971 5181 6147 7120 8008 8860 9671 4551 5640 6649 7606 8489 9337 4136 5058 6082 7120 8077 9804 3861 4660 5538 6549 7616 8539 5203 6167 7100 7943 8766 9567 4667 5679 6635 7577 8439 9262 4096 5147 6153 7150 8048 8911 3737 4617 5600 6642 7634 8523 3477 4247 5128 6037 7111 8096 4693 5688 6612 7512 8346 9153 4190 5217 6160 7143 8001 8848 3671 4627 5694 6671 7620 8486 3345 4168 5113 6150 7149 8090 3087 3861 4688 5578 6620 7652 4232 5219 6166 7082 7922 8737 3687 4739 5707 6666 7572 8415 3238 4133 5216 6184 7157 8046 2961 3744 4647 5681 6675 7643 2697 3477 4256 5156 5615 5988 3766 4720 5692 6606 7489 8315 3195 4242 5254 6199 7137 7990 2829 3697 4737 5733 6681 7608 2605 3345 4199 5191 6212 7163 2299 3087 3857 4741 5630 6668 3291 4253 5235 6161 7062 7894 2760 3759 4761 5723 6665 7548 2445 3266 4205 5261 6229 7156 2177 2961 3768 4704 5745 6705 1895 2697 3472 4280 5191 6212 2800 3793 4734 5698 6592 7462 2323 3249 4290 5277 6210 7124 2055 2837 3724 4805 5765 6686 1779 2571 3350 4227 5273 6248 1469 2299 3087 3866 4770 5734 2280 3322 4276 5214 6156 6885 1926 2781 3813 4797 5737 6654 1659 2444 3290 4283 5310

6236

1388 1777 2959 3800 4777

5785

1002 1895 2697 3472 4316

5263

WB = Wet Bulb. DB = Dry Buld. DT = Temperature difference between inlet-outlet. NOTE: Sensible efficiency values exceeding the total efficiency

GENERAL SPECIFICATIONS - IR UNIT FOR COOLING MODE ONLY

Mod. 04-4T Cooling Capacity

TOTAL Cooling Capacity

Water

W.B. Inlet air temp.

Inlet

temp.

15 17 19 21 23

3 1607 2147 2717 3382 0 4 1424 1961 2526 3173 3819 5 1231 1743 2336 2952 3610 6 0 1517 2118 2759 3426 7 0 0 1866 2538 3225

3 1412 1907 2527 3173 0 4 1250 1614 2324 2945 3610 5 0 1541 2128 2628 3402 6 0 0 1888 2543 3214 7 0 0 1636 2312 3007

3 1234 1734 2318 2964 0 4 1090 1542 2115 2720 3401 5 0 1351 1900 2532 3186 6 0 0 1669 2318 2995 7 0 0 0 2062 2772

3 1080 850 2087 2698 3420 4 966 1352 1894 2505 3192 5 0 1177 1680 2306 2971 6 0 0 1463 2079 2761 7 0 0 0 1823 2527

3 967 1327 1874 2508 3192 4 0 1183 1672 2283 2964 5 0 0 1474 2069 2742 6 0 0 0 1839 2521 7 0 0 0 0 2270

3 873 1156 1646 2261 2888 4 0 1033 1460 2054 2698 5 0 0 1279 1828 2502 6 0 0 0 1604 2275 7 0 0 0 0 2010

3 776 1018 1429 2015 2660 4 0 0 1271 1811 2467 5 0 0 0 1600 2256 6 0 0 0 1398 2012 7 0 0 0 0 1762

3 0 923 1238 1777 2451 4 0 0 1105 1579 2223 5 0 0 0 1394 1995 6 0 0 0 0 1754 7 0 0 0 0 0

3 0 798 1121 1542 2204 4 0 0 988 1369 1965 5 0 0 0 1207 1742 6 0 0 0 0 1524 7 0 0 0 0 0

SENSIBLE Cooling Capacity

D.B. Inlet air temp.

21 23 25 27 29 31

1379 1670 1871 2067 2256 2470 1327 1556 1780 1983 2181 2370 1190 1436 1675 1890 2095 2292 1073 1293 1547 1786 1999 2205

998 1192 1403 1654 1893 2109 1333 1554 1768 1967 2158 2343 1217 1444 1673 1882 2082 2272 1069 1325 1562 1787 1995 2194

972 1188 1429 1673 1898 2304

907 1095 1301 1539 1789 2006 1222 1449 1668 1866 2060 2248 1097 1334 1559 1780 1983 2176

962 1209 1446 1680 1891 2094

878 1085 1316 1561 1794 2003

817 998 1205 1418 1671 1902 1103 1337 1554 1765 1961 2151

984 1226 1447 1678 1880 2079

863 1087 1338 1567 1790 1994

786 979 1201 1445 1680 1901

725 907 1102 1311 1555 1798

994 1226 1449 1664 1861 2053

866 1114 1341 1566 1779 1977

761 971 1225 1453 1682 1890

696 880 1092 1335 1568 1796

634 817 1000 1212 1319 1407

885 1109 1337 1552 1760 1954

751 997 1235 1457 1677 1877

665 869 111 3 1347 1570 1788

612 786 987 1220 1460 1683

540 725 906 1114 1323 1567

773 999 1230 1448 1659 1855

648 883 111 9 1345 1566 1774

575 767 988 1236 1464 1681

511 696 885 1105 1350 1575

445 634 816 1006 1220 1460

658 891 111 2 1339 1549 1753

546 763 1008 1240 1459 1674

483 667 875 1129 1355 1571

418 604 787 993 1239 1468

345 540 725 908 1121 1347

536 781 1005 1225 1446 1618

453 653 896 1127 1348 1563

390 574 773 1006 1248

1465

326 418 695 893 1123

1359

236 445 634 816 1014

1237

4 Pipes Version

WB = Wet Bulb. DB = Dry Buld. DT = Temperature difference between inlet-outlet. NOTE: Sensible efficiency values exceeding the total efficiency

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