Galletti 2x1 User manual

GB
Technical manual for 2x1 air conditioning systems

2
FC66001884 - 00
Allcopying,evenpartial,ofthismanualisstrictlyforbidden.
TABLE OF CONTENTS
1 THE PATENT ....................................................................... 3
2 CONSTRUCTIVE FEATURES ............................................... 4
3 RATINGS AND TECHNICAL DATA ........................................ 5
4 OVERALL DIMENSIONS ...................................................... 5
5 PERFORMANCE .................................................................. 6
5.1 COOLING - 2 PIPE SYSTEMS ............................................... 6
5.2 COOLING - 4 PIPE SYSTEMS ............................................... 7
5.3 HEATING - 2 PIPE SYSTEMS ................................................ 8
5.4 HEATING - 4 PIPE SYSTEMS ................................................ 9
5.5 SOUND LEVEL .................................................................... 10
6 WIRING DIAGRAMS ........................................................... 10
7 ACCESSORIES ................................................................... 11
The technical and dimensional data provided herein may undergo changes in connection with product improvements.
DECLARATION OF CONFORMITY
Galletti S.p.A., whose main office is in via Romagnoli 12/a, 40010
Bentivoglio(Bologna)-Italy,herebydeclares,underitssoleresponsibility,
that the 2X1 units, indoor units for heating and air conditioning
systems, conform to the specifications of EEC Directives 73/23, 89/
392, 91/368, 93/44, 93/68, 89/336, 98/37 and subsequent
amendments.
Bologna, 03.04.06
Luigi Galletti
President
OPERATING LIMITS
> thermal carrier fluid: water
> water temperature: from 5°C to 95°C
> maximum water pressure during operation: 10 bar
> air temperature: from 5°C to 43 °C
> Supply voltage: +/- 10%

3FC66001884 - 00
Allcopying,evenpartial,ofthismanualisstrictlyforbidden.
1 THE PATENT
2x1 by Galletti: Evolution in air conditioning
Only someone who has been designing and manufacturing heating and air conditioning units for 45 years could have conceived a product which transcends
the limits of existing technology.
2x1 is an indoor unit for hydronic heating and cooling systems which combines two operating modes in a single unit.
Thanks to an exclusive patented design, 2x1 can function as a heater without the aid of a fan, exploiting instead the principle of natural convection.
In summertime 2x1 offers the advantages of the best fan coil units, cooling, dehumidifying and filtering the air inside the room.
The exclusive patent combines 2 different operating modes in a single unit:
2 different air flow routes inside the unit and 2 distinct heat exchangers make it possible to switch over from natural convection heating to ventilated cooling
or heating.
Heating: 3 operation mode, 5 thermal emission levels:
>1st level - convection heating mode, fan off, flap open. The thermostat
controls the room temperature by acting on the valve (optional), which
interrupts the flow of water. The unit can be shut down immediately by
positioning the air outlet flap in the closed position.
>2
nd level - convection heating mode, fan speed set on extra low, flap
open. The thermostat controls the room temperature by acting on the fan
and valve (optional), which interrupts the flow of water.
>3
rd /4th //5th level - fan coil mode, fan speed on low, medium or high, flap
closed. The thermostat controls the room temperature by acting on the
fan and valve (optional), which interrupts the flow of water.
COOLING: 1 OPERATING MODE, 4 LEVELS OF COOL AIR DELIVERY
>1st /2nd /3rd /4th level - fan coil mode, fan speed set on EXTRA-LOW, low,
medium or high, flap closed.
The thermostat controls the room temperature by acting on the fan and
valve (optional), which interrupts the flow of water.
water
inlet
water
outlet
air
outlet
air
intake
air
outlet
water
outlet
air
intake
water
inlet
Heating
Static convector mode
Natural convection
Heating
Static convector mode
EXTRA-LOW operation
Heating
Fan coil mode
Maximum,medium, minimum operation
Cooling
Fan coil mode
Extra-low, maximum, medium,
minimum operation
air
outlet
water
outlet
water
inlet
air
intake
water
inlet
water
outlet
air
outlet
air
intake

4
FC66001884 - 00
Allcopying,evenpartial,ofthismanualisstrictlyforbidden.
2 CONSTRUCTIVE FEATURES
> CABINET WITH A REFINED DESIGN
- Front panel made of sheet steel, colour RAL9010. The front panel
incorporates an exclusive air flap which activates the convection heating
mode. The flap is opened and closed manually.
- Side panels manufactured from UV-stabilised ABS to maintain the colour
intact over time.
- Upper grill made of ABS (UV stabilised), adjustable louvers and flap.
The flap features a microswitch that automatically shuts down the unit
when the flap itself is closed. The side doors provide access to the
control panel and compartment housing the plumbing connections.
The doors may be secured by screws to prevent opening.
> HEAT EXCHANGERS
2X1 incorporates 2 heat exchangers for 2 distinct operating modes.
- 4-row convector exchanger made up of copper tubing and aluminium
fins secured to the tubing by mechanical expansion, complete with
brass manifolds and air vent valve. The wide spacing between fins
optimises the draught effect during natural convection.
- Fan coil exchanger, made up of copper tubing and high-efficiency
aluminium fins submitted to a hydrophilic surface treatment, secured
to the tubing by mechanical expansion. The exchanger comes
complete with air vent valves.
- The heat exchangers are normally connected in series, so that the 2x1
unit will be ready for installation in 2-pipe systems.
By removing the connecting pipe, 2x1 can be immediately converted
for installation in a 4-pipe system, where the convector exchanger will
be connected to the heating circuit and the fan coil exchanger to the
cooling circuit.
- The plumbing connections are normally provided on the left side but
may be switched over to the other side (180°) during unit installation.
> FAN ASSEMBLY
Including centrifugal fans with staggered airfoil-shaped blades,
manufactured from anti-static ABS.
The fans are housed in a low-noise ABS volute distinguished by a compact,
high-efficiency profile.
Four-speed electrical motor, mounted on vibration damping couplings,
directly connected to the fans, with permanently activated capacitor and
winding thermal protection .
> BEARING STRUCTURE
Bearing structure built from galvanised sheet steel of adequate thickness,
insulated by means of Class 1 self-extinguishing panels, supplied with an
installation kit (wall screws).
A support terminal board for electrical connections is located on the
bearing structure, on the opposite side of the plumbing connections.
> AIR FILTER
Honey-comb polypropylene washable air filter, mounted on a galvanised
sheet frame protected by a net, easily removable for maintenance
operations. The filter may be secured to the unit by means of screws.
> ACCESSORIES
- Speed switch
- Microprocessor panel for automatic control of the unit and the
connection to the ERGO control system
- Base support panels which conceal the pipes leading up from the floor
- Water flow regulating valves
- BIOXIGEN ionisation and purification system
Air outlet FLAP
natural
convection FLAP
Forced
convection
EXCHANGER
natural
convection
EXCHANGER
Microprocessor
CONTROL
AIR FILTER
FAN-DRIVE
ASSEMBLY

5FC66001884 - 00
Allcopying,evenpartial,ofthis manual is strictly forbidden.
3 RATINGS AND TECHNICAL DATA
1 Watertemperature 7-12°C,air temperature27°C drybulb, 19°Cwet bulb(47% relative
humidity).
2. Water inlet temperature 50°C, water flow rate same as in cooling mode, air inlet
temperature 20°C
3. Water temperature 75 - 65°C; air temperature 20°C
4. Sound power measured according to standards ISO3741 and ISO3742
4 OVERALL DIMENSIONS
145
116
147
220
114
471
1
4
22
5
371
29
6
145
116
147
173
220
114
471
1
2
3
B==
77 441 200
718
A
2x1 A B Weight Water content
Cooling Heating Total
exchanger exchanger
mm mm kg dm3dm3dm3
124 820 534 21 0,49 0,73 1,22
224 990 704 25 0,65 0,97 1,62
324 1160 874 29 0,81 1,20 2,01
424 1160 874 29 0,81 1,20 2,01
1Drain outlet Ø 17 mm
2Water inlet, 2-pipe systems, Ø 1/2" female gas
3Water outlet, 2-pipe systems, Ø 1/2" female gas
4Cooling circuit water inlet, 4-pipe systems, Ø 1/2" female gas
5Cooling circuit water outlet, 4-pipe systems, Ø 1/2" female gas
6Heating circuit water connections, Ø 1/2" female gas
MODEL Ventilation Air flow
rate
Total
capacity
Sensible
capacity
Dehum.
Capacity
Water flow
rate
Pressure
drop Capacity water flow rate
Pressure
drop
Electrical
input
Sound
power level
m3/h kW kW l/h l/h kPa kW l/h kPa watt dB A
convection - - - - - - 0,93 80 0,5 - -
extra-low 80 0,56 0,39 0,24 95 1,5 1,74 80 0,5 11 27
minimum 110 0,74 0,52 0,32 125 2,0 1,86 165 2,5 12 29
medium 135 0,90 0,64 0,37 155 3,0 2,24 195 3,0 17 34
maximum 170 1,17 0,95 0,32 200 5,0 2,89 255 3,5 23 40
convection - - - - - - 1,30 115 1,1 - -
extra-low 100 0,70 0,49 0,30 120 1,2 1,95 115 1,1 12 31
minimum 135 0,87 0,64 0,34 150 1,9 2,30 205 3,0 14 33
medium 170 1,14 0,80 0,49 190 2,6 2,85 250 4,5 20 37
maximum 225 1,62 1,34 0,40 275 4,5 3,54 310 6,5 27 43
convection - - - - - - 1,49 130 1,1 - -
extra-low 140 1,04 0,70 0,48 175 2,7 2,74 130 1,1 22 32
minimum 200 1,48 1,00 0,68 250 5,0 3,38 295 6,0 23 34
medium 250 1,82 1,24 0,84 305 7,0 4,13 365 9,0 28 39
maximum 340 2,38 1,82 0,80 410 13,5 5,10 450 13,0 37 46
convection - - - - - - 1,49 130 1,1 - -
extra-low 175 1,28 0,89 0,56 225 4,0 3,34 130 1,1 22 33
minimum 250 1,82 1,17 0,94 305 7,0 4,13 365 9,0 25 34
medium 310 2,17 1,50 0,97 375 10,0 5,00 440 13,0 31 40
maximum 420 3,13 2,32 1,17 540 20,0 5,89 520 18,0 42 47
224
324
124
COOLING water 7/12°C, air dry bulb 27°C humid bulb 19°C) HEATING water 75/65°C, air 20°C)
424

6
FC66001884 - 00
Allcopying,evenpartial,ofthismanualisstrictlyforbidden.
5 PERFORMANCE
5.1 COOLING - 2 PIPE SYSTEMS
Tbs1Air intake temperature (dry bulb)
Tbu1Air intake temperature (wet bulb)
Tw1Inlet water temperature
Tw2Water outlet temperature
Vr Fan speed:
max maximum
med medium
min minimum
PFT Total cooling capacity
PFS Sensible cooling capacity
Qw Water flow rate
Dpw Pressure drop, water side
NOTE: FRONT FLAP ALWAYS CLOSED
Tbs1/ Tbu1(UR1)
Tw1/ Tw2
Vr PFT PFS Qw
'
pw PFT PFS Qw
'
pw PFT PFS Qw
'
pw PFT PFS Qw
'
pw
W W l/h kPa W W l/h kPa W W l/h kPa W W l/h kPa
MAX 1120 830 192 5,0 960 760 164 4,0 760 680 131 2,0 670 670 116 2,0
MED 850 650 147 3,0 720 590 124 2,0 640 560 110 2,0 560 520 95 1,0
MIN 740 560 126 2,0 670 530 114 2,0 590 500 102 2,0 520 460 89 1,0
extra low 620 470 107 2,0 560 440 97 1,0 500 420 86 1,0 440 390 75 1,0
MAX 1550 1130 265 5,0 1310 1020 226 3,0 1010 900 174 2,0 930 930 160 2,0
MED 1060 790 182 2,0 950 750 164 2,0 850 700 145 2,0 740 660 127 1,0
MIN 850 610 147 2,0 770 570 133 1,0 690 530 118 1,0 600 500 103 1,0
extra low 680 450 117 1,0 620 420 106 1,0 550 390 95 1,0 480 370 83 1,0
MAX 2280 1660 391 13,0 2000 1540 343 10,0 1690 1400 289 7,0 1310 1310 226 5,0
MED 1750 1270 299 8,0 1520 1170 261 6,0 1260 1060 216 4,0 1000 1000 173 3,0
MIN 1410 1030 243 6,0 1220 940 209 4,0 1020 860 175 3,0 890 800 153 2,0
extra low 1020 760 175 3,0 920 720 158 3,0 820 670 141 2,0 720 630 123 2,0
MAX 3020 2170 518 19,0 2670 2010 458 15,0 2290 1850 393 11,0 1850 1670 318 8,0
MED 2080 1520 357 10,0 1820 1400 313 8,0 1530 1280 263 6,0 1200 1200 206 4,0
MIN 1750 1270 299 7,0 1520 1170 261 6,0 1260 1060 216 4,0 1000 1000 173 3,0
extra low 1210 910 208 4,0 1050 840 180 3,0 930 790 160 2,0 810 750 139 2,0
Tbs1/ Tbu1(UR1)
Tw1/ Tw2
Vr PFT PFS Qw
'
pw PFT PFS Qw
'
pw PFT PFS Qw
'
pw PFT PFS Qw
'
pw
W W l/h kPa W W l/h kPa W W l/h kPa W W l/h kPa
MAX 1320 960 226 6,0 1170 890 201 5,0 1010 820 173 4,0 820 750 140 3,0
MED 1020 750 175 4,0 900 700 154 3,0 760 640 130 2,0 650 590 112 2,0
MIN 880 650 151 3,0 770 600 133 2,0 680 560 117 2,0 600 530 104 2,0
extra low 700 520 120 2,0 640 500 109 2,0 580 470 99 1,0 510 440 88 1,0
MAX 1820 1300 313 6,0 1620 1210 278 5,0 1390 1110 239 4,0 1110 990 190 3,0
MED 1290 930 222 3,0 1130 860 193 3,0 970 790 167 2,0 860 750 148 2,0
MIN 950 670 164 2,0 870 640 150 2,0 790 600 136 1,0 700 570 121 1,0
extra low 770 500 131 1,0 700 470 120 1,0 630 450 109 1,0 570 420 97 1,0
MAX 2640 1890 452 16,0 2370 1770 407 14,0 2090 1650 358 11,0 1770 1520 304 8,0
MED 2030 1450 348 10,0 1820 1350 312 9,0 1590 1260 274 7,0 1340 1150 230 5,0
MIN 1650 1180 283 7,0 1480 1100 254 6,0 1280 1020 221 5,0 1050 920 180 3,0
extra low 1170 860 200 4,0 1040 800 179 3,0 940 760 162 3,0 840 720 144 2,0
MAX 3460 2460 594 24,0 3130 2310 538 20,0 2780 2150 477 16,0 2390 1990 410 12,0
MED 2410 1730 414 13,0 2170 1620 372 10,0 1900 1510 327 8,0 1610 1390 276 6,0
MIN 2030 1450 348 9,0 1820 1350 312 8,0 1590 1260 274 6,0 1340 1150 230 4,0
extra low 1450 1060 248 5,0 1280 980 220 4,0 1090 900 187 3,0 950 850 163 2,0
424
124
224
324
424
27°C / 19°C (47%)
6°C / 11°C 7°C / 12°C 8°C / 13°C 9°C / 14°C
124
224
324
25°C / 18°C (51%)
6°C / 11°C 7°C / 12°C 8°C / 13°C 9°C / 14°C

7FC66001884 - 00
Allcopying,evenpartial,ofthismanualisstrictlyforbidden.
5 PERFORMANCE
5.2 COOLING - 4 PIPE SYSTEMS
Tbs1Air intake temperature (dry bulb)
Tbu1Air intake temperature (wet bulb)
Tw1Inlet water temperature
Tw2Water outlet temperature
Vr Fan speed
max maximum
med medium
min minimum
PFT Total cooling capacity
PFS Sensible cooling capacity
Qw Water flow rate
Dpw Pressure drop, water side
NOTE: FRONT FLAP ALWAYS CLOSED
Tbs1/ Tbu1(UR1)
Tw1/ Tw2
Vr PFT PFS Qw '
pw PFT PFS Qw
'
pw PFT PFS Qw
'
pw PFT PFS Qw
'
pw
W W l/h kPa W W l/h kPa W W l/h kPa W W l/h kPa
MAX 1040 770 178 4,0 880 700 151 3,0 700 630 121 2,0 640 640 110 2,0
MED 800 600 136 3,0 690 550 119 2,0 610 520 106 2,0 530 490 92 1,0
MIN 700 520 120 2,0 630 490 109 2,0 560 460 97 1,0 490 430 84 1,0
extra low 590 420 101 2,0 530 400 92 1,0 480 370 82 1,0 410 350 71 1,0
MAX 1440 1060 246 4,0 1200 960 207 3,0 970 860 167 2,0 890 890 153 2,0
MED 1020 760 175 2,0 920 720 158 2,0 820 670 140 1,0 710 630 122 1,0
MIN 790 540 136 1,0 720 510 123 1,0 640 480 109 1,0 560 450 95 1,0
extra low 640 380 109 1,0 570 350 99 1,0 510 330 88 1,0 450 300 77 1,0
MAX 2030 1400 348 10,0 1770 1290 303 8,0 1470 1170 252 6,0 1090 1020 187 3,0
MED 1620 1150 278 7,0 1400 1060 240 5,0 1140 950 195 4,0 940 870 162 3,0
MIN 1320 950 226 5,0 1120 870 192 4,0 980 800 168 3,0 850 750 146 2,0
extra low 950 660 162 3,0 860 620 147 2,0 760 590 131 2,0 670 550 114 1,0
MAX 2800 1960 480 16,0 2460 1810 422 13,0 2090 1660 359 10,0 1670 1490 287 7,0
MED 1940 1360 333 9,0 1690 1250 290 7,0 1400 1130 241 5,0 1120 1120 192 3,0
MIN 1620 1150 278 6,0 1400 1060 240 5,0 1140 950 195 3,0 940 870 162 2,0
extra low 1130 810 194 3,0 1010 760 173 3,0 890 710 154 2,0 780 660 134 2,0
Tbs1/ Tbu1(UR1)
Tw1/ Tw2
Vr PFT PFS Qw '
pw PFT PFS Qw
'
pw PFT PFS Qw
'
pw PFT PFS Qw
'
pw
W W l/h kPa W W l/h kPa W W l/h kPa W W l/h kPa
MAX 1230 890 212 6,0 1090 820 187 5,0 930 760 160 3,0 930 760 160 3,0
MED 960 690 164 4,0 840 640 144 3,0 710 590 121 2,0 710 590 121 2,0
MIN 810 590 140 3,0 720 550 123 2,0 650 520 111 2,0 650 520 111 2,0
extra low 660 470 113 2,0 600 450 104 2,0 550 420 94 1,0 550 420 94 1,0
MAX 1710 1220 293 6,0 1510 1130 259 4,0 1280 1040 220 3,0 1280 1040 220 3,0
MED 1220 880 208 3,0 1050 810 180 2,0 940 760 161 2,0 940 760 161 2,0
MIN 890 610 152 2,0 810 570 139 1,0 730 540 126 1,0 730 540 126 1,0
extra low 710 420 122 1,0 650 400 112 1,0 590 370 101 1,0 590 370 101 1,0
MAX 2370 1600 406 14,0 2120 1500 364 11,0 1850 1390 317 9,0 1850 1390 317 9,0
MED 1890 1320 325 9,0 1690 1230 290 7,0 1470 1140 253 6,0 1470 1140 253 6,0
MIN 1550 1090 266 6,0 1380 1020 237 5,0 1190 940 204 4,0 1190 940 204 4,0
extra low 1060 740 182 3,0 970 700 166 3,0 880 660 150 2,0 880 660 150 2,0
MAX 3220 2230 553 21,0 2910 2090 499 17,0 2560 1940 440 14,0 2560 1940 440 14,0
MED 2260 1560 388 11,0 2020 1450 348 9,0 1770 1350 304 7,0 1770 1350 304 7,0
MIN 1890 1320 325 8,0 1690 1230 290 7,0 1470 1140 253 5,0 1470 1140 253 5,0
extra low 1360 940 233 5,0 1190 870 205 4,0 1030 800 177 3,0 1030 800 177 3,0
424
124
224
324
424
27°C / 19°C (47%)
6°C / 11°C 7°C / 12°C 8°C / 13°C 9°C / 14°C
124
224
324
25°C / 18°C (51%)
6°C / 11°C 7°C / 12°C 8°C / 13°C 9°C / 14°C

8
FC66001884 - 00
Allcopying,evenpartial,ofthismanualisstrictlyforbidden.
5 PERFORMANCE
5.3 HEATING - 2 PIPE SYSTEMS
Tbs1Air intake temperature (dry bulb)
Tw1Inlet water temperature
Tw2Water outlet temperature
Vr Fan speed
max maximum
med medium
min minimum
PT Heating capacity
Qw Water flow rate
Dpw Pressure drop, water side
Tbs1
Tw1/ Tw2
PT Qw
'
pw PT Qw
'
pw PT Qw
'
pw PT Qw
'
pw
Wl/hkPaWl/hkPaWl/hkPaWl/hkPa
MAX closed 1290 225 5,2 2040 178 3,3 2610 229 5,0 3560 157 2,5
MED closed 1000 174 3,3 1570 137 2,1 2020 178 3,2 2750 121 1,6
MIN closed 820 143 2,4 1300 113 1,5 1680 147 2,3 2260 100 1,1
extra-low open 690 121 1,8 1090 95 1,1 1410 124 1,7 1910 84 0,8
convection open 279 48 0,2 542 47 0,2 790 68 0,4 1216 52 0,2
MAX closed 1560 272 5,9 2460 215 3,7 3180 279 5,6 4290 189 2,7
MED closed 1260 219 4,0 1990 173 2,5 2560 225 3,9 3470 153 1,9
MIN closed 1020 177 2,8 1610 141 1,8 2070 182 2,7 2810 124 1,3
extra-low open 820 142 1,9 1300 113 1,2 1660 146 1,8 2270 100 0,9
convection open 399 69 0,4 767 66 0,4 1112 96 0,8 1703 73 0,5
MAX closed 2270 395 11,7 3570 312 7,3 4590 403 11,1 6190 273 5,4
MED closed 1850 321 8,1 2910 254 5,1 3720 327 7,7 5060 223 3,8
MIN closed 1510 262 5,7 2380 208 3,6 3040 267 5,4 4150 183 2,7
extra-low open 1160 201 3,6 1830 160 2,3 2340 206 3,4 3200 141 1,7
convection open 461 79 0,4 882 76 0,4 1276 110 0,8 1948 84 0,5
MAX closed 2620 456 15,5 4100 358 9,7 5300 465 14,7 7110 314 7,1
MED closed 2230 388 11,7 3510 307 7,4 4500 395 11,1 6110 270 5,4
MIN closed 1850 321 8,4 2910 254 5,3 3720 327 7,9 5060 223 3,9
extra-low open 1410 246 5,3 2230 195 3,3 2860 251 5,0 3890 172 2,5
convection open 461 79 0,4 882 76 0,4 1276 110 0,8 1948 84 0,5
Tbs1
Tw1/ Tw2
PT Qw
'
pw PT Qw
'
pw PT Qw
'
pw PT Qw
'
pw
Wl/hkPaWl/hkPaWl/hkPaWl/hkPa
MAX closed 1170 204 4,4 1910 167 3,0 2480 218 4,5 3430 151 2,3
MED closed 900 157 2,8 1470 129 1,9 1930 169 2,9 2640 117 1,5
MIN closed 750 130 2,0 1220 106 1,3 1590 140 2,1 2180 96 1,0
extra-low open 570 99 0,1 1020 90 1,0 1340 118 1,5 1840 81 0,8
convection open 243 42 0,1 496 43 0,1 738 63 0,3 1156 50 0,2
MAX closed 1420 246 5,0 2300 201 3,3 3020 265 5,2 4130 182 2,6
MED closed 1140 199 3,4 1860 163 2,3 2440 214 3,5 3340 147 1,8
MIN closed 920 161 2,4 1510 132 1,6 1970 173 2,4 2710 120 1,2
extra-low open 690 120 0,3 1220 106 1,1 1580 139 1,7 2190 96 0,8
convection open 347 60 0,3 703 60 0,3 1040 89 0,7 1619 70 0,4
MAX closed 2060 359 9,9 3350 293 6,6 4370 384 10,2 5970 263 5,0
MED closed 1680 291 6,9 2730 239 4,6 3540 311 7,0 4880 215 3,5
MIN closed 1370 238 4,8 2230 195 3,2 2900 254 5,0 4000 176 2,5
extra-low open 910 158 0,5 1720 150 2,0 2230 196 3,1 3080 136 1,6
convection open 402 69 0,3 809 70 0,3 1194 103 0,7 1853 80 0,4
MAX closed 2380 413 13,1 3850 337 8,7 5040 442 13,5 6850 302 6,6
MED closed 2030 353 9,9 3300 288 6,6 4290 376 10,2 5880 260 5,1
MIN closed 1680 291 7,1 2730 239 4,7 3540 311 7,3 4880 215 3,7
extra-low open 1080 188 0,7 2090 183 3,0 2720 239 4,6 3750 166 2,3
convection open 402 69 0,3 809 70 0,3 1194 103 0,7 1853 80 0,4
224
324
424
Vr FLAP
124
45 / 40°C 60°C / 50°C 70°C / 60°C 90°C / 70°C
224
324
424
22°C
Vr FLAP
124
20°C
45 / 40°C 60°C / 50°C 70°C / 60°C 90°C / 70°C

9FC66001884 - 00
Allcopying,evenpartial,ofthismanualisstrictlyforbidden.
5 PERFORMANCE
5.4 HEATING - 4 PIPE SYSTEMS
Tbs1Air intake temperature (dry bulb)
Tw1Inlet water temperature
Tw2Water outlet temperature
Vr Fan speed
max maximum
med medium
min minimum
PT Heating capacity
Qw Water flow rate
Dpw Pressure drop, water side
Tbs1
Tw1/ Tw2
PT Qw
'
pw PT Qw
'
pw PT Qw
'
pw PT Qw
'
pw
Wl/hkPaWl/hkPaWl/hkPaWl/hkPa
MAX closed 920 160 0,3 1410 123 0,2 1930 170 0,3 2510 111 0,1
MED closed 800 138 0,2 1240 108 0,1 1650 145 0,2 2140 94 0,1
MIN closed 720 125 0,2 1120 98 0,1 1470 129 0,2 1920 85 0,1
extra-low open 630 109 0,1 980 86 0,1 1260 111 0,1 1690 74 0,1
convection open 279 48 0,2 542 47 0,2 790 68 0,4 1216 52 0,2
MAX closed 1230 214 0,9 1900 166 0,5 2560 224 0,9 3350 148 0,4
MED closed 1010 176 0,6 1570 137 0,4 2120 186 0,6 2780 123 0,3
MIN closed 860 149 0,5 1340 117 0,3 1790 157 0,5 2350 104 0,2
extra-low open 760 132 0,4 1190 104 0,2 1560 137 0,4 2050 90 0,2
convection open 399 69 0,4 767 66 0,4 1112 96 0,8 1703 73 0,5
MAX closed 1790 312 1,7 2790 244 1,1 3690 323 1,7 4870 215 0,8
MED closed 1470 256 1,2 2290 200 0,7 3030 266 1,2 4010 177 0,6
MIN closed 1260 219 0,9 1960 171 0,6 2590 227 0,9 3440 152 0,4
extra-low open 1010 176 0,6 1580 138 0,4 2090 184 0,6 2790 123 0,3
convection open 461 79 0,4 882 76 0,4 1276 110 0,8 1948 84 0,5
MAX closed 2040 354 2,2 3160 276 1,4 4180 367 2,1 5510 243 1,0
MED closed 1690 295 1,6 2630 230 1,0 3480 305 1,6 4600 203 0,7
MIN closed 1470 256 1,3 2290 200 0,8 3030 266 1,2 4010 177 0,6
extra-low open 1200 209 0,9 1870 164 0,5 2480 217 0,9 3290 145 0,4
convection open 461 79 0,4 882 76 0,4 1276 110 0,8 1948 84 0,5
Tbs1
Tw1/ Tw2
PT Qw
'
pw PT Qw
'
pw PT Qw
'
pw PT Qw
'
pw
Wl/hkPaWl/hkPaWl/hkPaWl/hkPa
MAX closed 830 144 0,2 1330 116 0,2 1830 161 0,3 2400 106 0,1
MED closed 720 125 0,2 1160 101 0,1 1560 137 0,2 2050 90 0,1
MIN closed 650 113 0,2 1050 92 0,1 1390 122 0,2 1850 82 0,1
extra-low open 570 99 0,1 920 80 0,1 1200 105 0,1 1620 72 0,1
convection open 243 42 0,1 496 43 0,1 738 63 0,3 1156 50 0,2
MAX closed 1100 191 0,7 1770 155 0,5 2430 213 0,8 3210 142 0,4
MED closed 910 158 0,5 1460 128 0,3 2010 176 0,6 2660 118 0,3
MIN closed 780 135 0,4 1260 110 0,3 1700 149 0,4 2250 99 0,2
extra-low open 690 120 0,3 1110 97 0,2 1480 130 0,3 1970 87 0,2
convection open 347 60 0,3 703 60 0,3 1040 89 0,7 1619 70 0,4
MAX closed 1620 281 1,4 2600 228 0,9 3500 307 1,5 4680 207 0,7
MED closed 1320 230 1,0 2140 187 0,7 2880 252 1,1 3850 170 0,5
MIN closed 1130 197 0,8 1830 160 0,5 2460 216 0,8 3310 146 0,4
extra-low open 910 158 0,5 1470 128 0,3 1990 174 0,6 2680 118 0,3
convection open 402 69 0,3 809 70 0,3 1194 103 0,7 1853 80 0,4
MAX closed 1830 319 1,8 2950 258 1,2 3970 349 2,0 5300 234 0,9
MED closed 1530 265 1,3 2460 215 0,9 3310 290 1,4 4420 195 0,7
MIN closed 1320 230 1,0 2140 187 0,7 2880 252 1,1 3850 170 0,5
extra-low open 1080 188 0,7 1750 153 0,5 2350 207 0,8 3160 140 0,4
convection open 402 69 0,3 809 70 0,3 1194 103 0,7 1853 80 0,4
224
324
424
Vr FLAP
124
45 / 40°C 60°C / 50°C 70°C / 60°C 90°C / 70°C
224
324
424
22°C
Vr FLAP
124
20°C
45 / 40°C 60°C / 50°C 70°C / 60°C 90°C / 70°C

10
FC66001884 - 00
Allcopying,evenpartial,ofthismanualisstrictlyforbidden.
6 WIRING DIAGRAMS
Make the electrical connections with the mains power disconnected, in
accordance with current safety regulations; strictly abide by the layout given
in the appended diagram, which illustrates a 2x1 unit complete with MICROK
microprocessor controller.
5 PERFORMANCE
5.5 SOUNDLEVEL
Vr Fan speed
3=maximum
2=medium
1=minimum
Lw Sound power level by octave band, not weighted
LwATotal sound power level, weighted A
LpATotal sound pressure level, weighted A, measured in an open field, at a distance of 1 m, with a directivity factor of 4
V3
V2
V1
L
N
N
N
RE
V
RM
RM
EX
EX
PE
RS485
GND
AB
MICROK
SA
SW
M
1
NL
IL
RD
BN
BU
BK
CN
MS
WH
VHC
230V 1 50Hz
RD
BN
BU
BK
OG
VT
BN
BU
YE/GN
F
U
N
4
PV
MV
GV
8
9
10
BK Black = High speed
BN Brown = Low speed
BU Blue = Medium speed
CN Fast-on connector
FSafety fuse - not supplied
GNYE Yellow/green = ground
IL Circuit breaker - not supplied
MMotor
MICROK wall-mounted microprocessor control panel
MS Air outlet FLAP w/microswitch
RS485 Serial port for connection to ERGO network
OG Orange
RD Red = extra-low speed
SA Air temperature sensor for MICROK panel
SW Water temperature sensor for MICROK panel
VHC 3-way ON/OFF valve (230 V)
VT Purple
WH White =common
Legend of wiring diagrams
125 Hz 250 Hz 500 Hz 1000 Hz 2000 Hz 4000 Hz 8000 Hz LwA LpA
dB dB dB dB dB dB dB dB/A dB/A
MAX 39,0 42,6 40,6 32,0 22,4 15,8 15,2 40 35
MED 31,2 38,0 34,0 23,7 15,8 14,7 15,3 34 29
MIN 29,1 33,9 28,8 17,0 13,8 14,4 16,3 29 24
SMIN 27,6 31,3 26,8 15,0 11,0 14,3 16,3 27 22
MAX 36,5 44,6 43,1 34,4 28,9 29,3 20,0 43 38
MED 32,7 40,7 35,6 26,6 24,9 27,1 18,4 37 32
MIN 26,9 36,4 30,3 20,3 22,9 24,9 16,4 33 28
SMIN 26,3 34,3 26,7 17,0 21,7 23,8 15,8 31 26
MAX 43,3 48,3 46,7 39,5 32,2 19,5 14,4 46 41
MED 38,0 41,7 39,7 29,3 20,7 13,4 14,2 39 34
MIN 36,9 38,6 33,7 22,5 13,7 13,1 15,2 34 29
SMIN 35,4 36,2 30,2 19,9 10,0 13,1 15,2 32 27
MAX 44,3 49,3 47,7 40,5 33,2 20,5 15,4 47 42
MED 39,0 42,7 40,7 30,3 21,7 13,4 15,2 40 35
MIN 36,9 38,6 33,7 22,5 13,7 13,1 15,2 34 29
SMIN 36,4 37,2 32,2 20,9 10,0 13,1 15,2 33 28
Lw
Vr
124
224
324
424
The electrical connections indicated must be made by the installer. For each
fan coil an (IL) switch should be mounted on the power supply, with opening
contacts at a distance of at least 3 mm and a suitable protection fuse (F) .

11 FC66001884 - 00
Allcopying,evenpartial,ofthismanualisstrictlyforbidden.
7 ACCESSORIES
CK Speed switch, installation on the unit.
Control panel for installation directly on the unit, featuring a selector for setting
the fan speed (4 speeds) and shutting down the unit.
MICROK - advanced microprocessor control panel.
Microprocessor control panel to be installed on the
wall or directly on the unit, complete with speed
selector, electronic thermostat and cooling/heating
changeover switch, suitable for connection to an
ERGO supervision system.
It controls the fan speed and regulates the room
temperature in the heating and cooling modes.
- Room temperature control in both the heating
and cooling modes, achieved by switching the
fan off and on, at the manually set speed.
- Room temperature control in both the heating and cooling modes, with
automatic fan speed adjustment.
- Timer (where installed in the unit).
- Cooling/heating switching in the following modes:
manual, on the unit;
remote, manual (centralised);
automatic, depending on water temperature;
automatic, depending on air temperature.
- Control of ON/OFF valves.
MICROK is also equipped with
- input for remote enabling or disabling of unit operation
- input for remote enabling or disabling of the ECONOMY set point (only for
systems controlled by ERGO software)
- Sensor for air and water temperature reading
- Optoisolated RS 485 communication port. No electricity supply required.
- Integrated MODBUS communication protocol
- INTEGRATED pull-up and pull-down resistors which may be activated via
jumpers.
ZK - Two support covering feet
Supplied in pairs, they comprise supports for
fastening to the base unit and outer coverings
for fastening to the cabinet.
They are used to conceal the plumbing (pipes
leading up from the floor) and in cases where
the fan coil unit cannot be anchored to the wall.
The height of the base support panels is 100
mm.
BV - Auxiliary water drip tray for vertical
installation units, enabling collection of
condensate from balancing/regulating valves.
VK - ON-OFF 3-way motor driven valve, with
hydraulic kit
The ON/OFF motor driven 3-way/4 collection VK
valve kit controls the room temperature by
stopping the water flow through the heat
exchanger.
VK kit includes:
Brass 3-way valve / 4 connections with built-in
by-pass, maximum operating pressure 16 bar;
Electrothermal actuator with the ON/OFF functions (total opening time 4
minutes), 230 V power supply.
Plumbing kit for installing the valve on the heat exchanger, complete with 2
holders for balancing and regulating the fan coil unit.

40010 Bentivoglio (BO)
Via Romagnoli, 12/a
Tel. [phone]
Fax [phone]
www.galletti.it