Carrier 40SMC N Series Technical Document

40SMC---N
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INSTALLATION, OPERATIONAND MAINTENANCE INSTRUCTIONS

I - 1
GB - 1
40SMC---N
Ductedabove-ceilingunits(Coolingonlyandheatpump)
ENGLISH
Contents
page
Safety considerations ................................................................................. 2
Physical data .............................................................................................. 2
Electrical data ............................................................................................. 3
Operating limits........................................................................................... 3
Dimensions................................................................................................. 4
Service area................................................................................................ 5
Installation .................................................................................................. 5/6
Electrical connections................................................................................. 6/9
Refrigerant line connection (Flare connnections) ...................................... 10
Maintenance and service............................................................................ 11
Alarm code.................................................................................................. 11
Troubleshooting chart................................................................................. 11
Final recommendations .............................................................................. 11
Fan diagrams.............................................................................................. 12/13
IMPORTANT:
This indoor unit is connected to outdoor unit model 38GL(S), 38BC(S), 38BH, 38YY and
38YY(S).
Refer to the outdoor unit installation manual for the following paragraphs:
• Electrical connections
• Connection wire size
• System configuration
• Trial run procedure
The ceiling unit is operated by wire controls
• Room Controller;
• Zone manager.

40SMC---N
GB - 2
Safety considerations
Installation and servicing of air conditioning equipment can
be hazardous due to system pressure and electrical
components.
Only trained and qualified service personnel should install,
repair or service air conditioning equipment.
All maintenance operations must be carried out by skilled
personnel.
When working on air conditioning equipment, observe
precautions on the literature, tags and labels attached to the
unit and other safety precautions that may apply.
Follow all safety codes.
Wear safety glasses and workgloves.
Use a quenching cloth for unbrazing operations.
WARNING:
Before performing service or maintenance operations turn off
the main power switch to unit.
Electrical discharge could cause personal injury.
The 40SMC---N unit is designed for installation with ducts.
If this is not the case, the installer must place a protection
mesh in the discharge according to the standards in force.
This unit is not suitable for use in laundry premises.
Only use original spare parts when repairing and pay special
attention when positioning the same.
They must be placed indentically to the previus ones.
These units must not be installed in an explosive
atmosphere.
These units must not be installed in an explosive
atmosphere.
The units con operate in residential, commercial and light
industrial installations which have normal radioelectrical
atmospheres consultation must be made for other applications.
WARNING:
This unit base can incorporate a drain pan.
Do not drill through base or damage to drain pan and
refrigerant circuit may result.
The air must be filtered before entering the evaporator, or the
guarantee becomes invalid. Do not use undue force or
excessive manipulation of the refrigerant connections and
pipes.Ensure that no piping touches any adjacent part.
If necessary, adjust carefullly because the guarantee does not
cover leaks due to a negligent handling of the pipes. Split
units can contain a maintenance charge. Purge before de-
soldering the plugs.
Table I: Phisical data
40SMC---N 009 012 018 024 028 036 048 060
Weight 22 22 22 36 36 36 60 60
Indoor coil
Material Aluminium/Copper
Quantity 11111111
Front surface m20,145 0,145 0,145 0,245 0,245 0,245 0,400 0,400
Fins per inch 14 14 14 14 12 14 12 14
Nº rows -tube diameter 2...3/8” 2...3/8” 3...3/8” 2...3/8” 3...3/8” 3...3/8” 3...3/8” 3...3/8”
Fan motor
Quantity 11111111
Electrical capacitor µF 4 5 4,5 5,5 6,3 8 6 8
Nom. power (1) W 80 90 100 190 220 305 420 560
Nom. cons. (1) Amp 0,36 0,40 0,45 0,85 1,0 1,35 1,90 2,50
Fan
Quantity 22222222
Diameter - lenght mm 146x176 146x176 146x176 185x240 185x240 185x240 200x240 200x240
Refrigerant
Type
R-410A R-410A R-410A R-410A R-410A R-410A R-410A R-410A
Control Restrictor (3) Restrictor (3) Restrictor (3) Restrictor (3) Restrictor (3) Restrictor (3) Restrictor (3) Restrictor(3)
Approx. charge (2) Kg See note See note See note See note See note See note See note See note
Air filter Washable Washable Washable Washable Washable Washable Washable Washable
Quantity 11111111
DImensions mm 685x218 685x218 685x218 684x283 684x283 684x283 1172x308 1172x308
NOTES:
(1) Motor on high speed.
(2) Refrigerant charge depends on the outdoor unit to be connected.
(3) The restrictor is located into the outdoor unit.
Table II - Electrical data (cooling only) - 38GL(S) - 38BC(S) + 40SMC---N
38GL(S) - 38BC(S) 09 12 18 24 28 36 48 60
+ ++++++++
40SMC---N 009 012 018 024 028 036 048 060
Operation voltage V/Ph/Hz ❍❍❍❍❍/●❍/●❍/●●
CONSUMPTION
Nominal *kW 1,03 1,23 1,82 2,26 2,80 3,53 4,05 5,20
Amp 4,56 5,45 8,23 10,20 12,67/4,22 16,0/5,32 13,6/7,80 18,6/10,7
Máximum ** kW 1,23 1,47 2,18 2,71 3,36 4,23 4,50 6,60
Amp 5,56 6,65 9,86 12,30 15,20/5,06 19,15/6,37 15,07/8,67 23,6/13,6
On short circuit Amp 28,5 35,0 51,5 78,0 84,5/47,5 108,0/49,0 103,0/53,0 124,0/64,0
NOTES:
*Outdoor dry bulb temperature = 35oC; Indoor wet bulb temperature = 19oC.
** Outdoor dry bulb temperature = 43oC; Indoor wet bulb temperature = 23oC.
❍Outdoor unit operation voltage 230V ~ 50Hz
●Outdoor unit operation voltage 400V 3N~ 50Hz

GB - 3
40SMC---N
ENGLISH
Technical data
Table III - Electrical data (heat pump) - 38YY - 38BH + 40SMC---N
38YY - 38BH 09 12 18 24 28 36 48 60
+ ++++++++
40SMC---N 009 012 018 024 028 036 048 060
Operation voltage V/Ph/Hz ❍❍❍❍❍/●❍/●❍/●●
CONSUMPTION
Nominal (on cooling) *kW 1,00 1,22 1,79 2,20 2,77 3,48 4,0 5,15
Amp 4,52 5,52 8,10 10,10 12,53/4,77 15,75/5,24 13,5/7,95 18,4/10,6
Nominal (on heating) ** kW 0,92 1,10 1,67 2,20 2,61 2,74 3,80 4,65
Amp 4,16 4,97 7,56 10,10 11,80/3,93 12,40/4,13 13,7/7,9 17,2/9,90
Máximum (on coolig) *** kW 1,20 1,46 2,15 2,69 3,32 4,17 4,43 6,58
Amp 5,43 6,60 9,73 12,17 15,02/5,0 18,87/6,28 14,8/8,53 23,6/13,58
Máximum (on heating) **** kW 1,10 1,32 2,00 2,04 3,13 3,29 5,11 6,0
Amp 4,98 5,97 9,05 9,23 14,16/4,71 14,89/4,95 17,1/9,84 21,5/12,38
On short circuit Amp 28,5 35,0 51,5 78,0 84,5/47,5 108,0/49,0 103,0/53,0 124,0/64,0
NOTAS:
*Outdoor dry bulb temp. = 35oC; Indoor wet bulb temp. = 19oC.
** Outdoor wet bulb temp. = 6oC; Indoor dry bulb temp. = 20oC.
*** Outdoor dry bulb temp. = 43oC; Indoor wet bulb temp. = 23oC.
**** Outdoor wet bulb temp. = 18oC; Indoor dry bulb temp. = 27oC.
❍Outdoor unit operation voltage 230V ~ 50Hz
●Outdoor unit operation voltage 400V 3N~ 50Hz
Table IV: Operating limits -
40SMC---N (cooling only)
AIR TEMPERATURE
ZONE DRY BULB WET BULB
COOLING OPERATION
Indoor:
Maximum +32°C +23°C
Minimum +21°C +15°C
Outdoor:
Maximum +43°C –
Minimum +15°C * –
* With optional head pressure control, the unit can operate at temperatures
below +15°C.
External static pressure
009 - 012 - 018
40SMC---N 024 - 036 048 - 060
Maximum
external
static 70 160
pressure (Pa)
Table V: Operating limits -
40SMC---N (heat pump)
AIR TEMPERATURE
ZONE DRY BULB WET BULB
COOLING OPERATION
Indoor:
Maximum +32°C +23°C
Minimum +21°C +15°C
Outdoor:
Maximum +43°C –
Minimum +15°C * –
HEAT PUMP OPERATION
Indoor:
Maximum +27°C –
Outdoor:
Maximum +24°C +18°C
Minimum -10°C –
* With optional head pressure control, the unit can operate at temperatures
below +15°C.

40SMC---N
GB - 4
Dimensions
h
b
g
a
c
f
9
B
C
32
2828
1919
29
45
180
YZ
W
R
VU
Q
VU
Q
TS
X
I
GH
J
F
D
E
AF
AD AC
K
P
AE
L
AC
MN
87
i
Ø AM
A
j
Ø AN
d
Ø AP
260
AB
e
AG AH
AKAJ
i
j
AL
Ø AM Ø AN
d
Ø AP
Y
180
Z
aCoil
bFan
cDrain pan
dDrain connection Ø AP
eOutside air intake
fElectrical box
gUnit support
hAir filter
iLiquid Ø AM
jGas Ø AN
40SMC---N Ø AM Ø AN Ø AP
009 1/4” 3/8” 20
012 - 018 1/4” 1/2” 20
024 - 028 1/4” 5/8” 25
036 - 048 - 060 3/8” 3/4” 25
40SMC---N A B C D E F G H I J K L M N P Q R S
009 - 012 - 018 725 555 220 743 781 262 222 71 23 607 31.5 59 140 200 35 33 659 45
024 - 028 - 036 925 660 285 943 981 241.5 321 97.5 23 712 33.5 118.5 199.5 264.5 35 37.5 850 87.5
048 - 060 1250 750 310 1268 1306 261 321 168 22 801 43 143 224 289 43 110 1030 103
40SMC---N T U V W X Y Z AB AC AD AE AF AG AH AJ AK AL
009 - 012 - 018 143 62 211 179 103 13 27 3,5 89 545 33 142 31 90 128 54 38
024 - 028 - 036 165.5 90 276 193 125 23 82 31 99 725 33 207 31 110 160 50 75
048 - 060 175 203 290 264 116 23 107 31 109 1030 32 233 32 140 185 50 75
When designin an installation ensure the use of up-to-date drawings available from your local Carrier office.

GB - 5
40SMC---N
ENGLISH
200
220
400
Service area
a
b
c
d
aScrews-in rod
bShoch absorbers
cWasher
dNut
Installation
• Inspect the shipment.
Check to see if it has been damaged or if there are missing
parts.
In the case ofo demage, or lack of parts, a claim must be made
inmmediately to the company responsible for shipment.
• Ensure that the characteristics of the available power supply
agree with the electrical data on the unit's nameplate.
Transport
•To prevent damage while in transit, do not unskid the unit until it
is at its final location.
IMPORTANT:
Make sure that all unit panels are fixed in place before
moving. Raise and set the unit down carefully.
Location for installation
The Unit 40SMC---N is not suitable for use in laundry
premises.
Whichever is the chosen method of installing the unit, it is
necessary to take into account the following:
• Location should be able to support unit operating weight.
• Allow sufficient space for service and air flow around the unit.
• Select a location free of dust or foreign matter which may cause
coil clogging.
• Consult local rules and standards which govern the installation of
air conditioning equipment.
• Vibration absorbers should be provided throughout the
installation to prevent noise from being transmitted.
• If the unit is installed at less then 2.2 m from the floor, the use of
ducts is required.
Unit installation
Insert 4 M8 threaded rods into the celling. Introduce the other end
of the rods through the slots of unit suspension brackets.
Position the shock absorbers, add washers and screw the nuts
down until the unit is correctly suported.
If there is sufficient space, a rubber or neoprene sheet can be
placed between the ceiling and the unit.
IMPORTANT:
The unit must be perfectly levelled.
Once all these operations have been completed, the false ceiling
to hide hide unit may be installed, but a register cover must be left
below for future maintenance.
Grills of an adequate size should be incorporated in the unit for
return air suction.
a
b
c
d
aUnit
bFalse ceiling
cCeiling
dRegister cover
a
aMinimum 5% slope

40SMC---N
GB - 6
Condensate drainage
All units are provided with an internal condensate drain pan which
incorporates a drainage tube 20 mm external Ø (009, 012, 018)
and 25 mm (024, 028, 036, 048, 060).
A tube for evacuating condensates must therefore be provided.
The recommendations below must be followed in all cases:
• Use galvanizad steel, copper or plastic piping.
Do not used ordinary garden hose.
• Use a material that guarantees perfect watertightness on the
drainage pipe.
• If rigid material has been used for the drainage, it is necessary to
provide some kind of elastic coupling in the drainage line to
absorb possible vibrations.
• The drainage line should always be below the connextion itself,
and should also slope to facilitate drainage.
• If temperatures below freezing are expected in the unit
surroundings, the drain tube should be protected against the
possible formation of ice.
To do so, a heating wire should be installed in the drain
connection.
Which should be independent from the unit power supply, and
come into operation before the temperature drops below
freezing point.
WARNING:
No drillholes should be made in the base of the unit, since the
drain pans may be perforated.
Installation
Ductwork
The ductwork dimensions should be determined in accordance
with the air flow circulating through it and with the available static
pressure of the unit.
This data appears in the correspondign Technical Documentation.
Various suggestions are made herebelow, regarding the layout
and design of the said doctwork:
• Whatever type of duct is used, it should not be made of materials
which are flammable, or which give off toxic gases in the event
of a fire.
The internal surfaces should be smooth, and not conteminate the
air which passes through.
• At the points where the duct joins with the unit, it is advisable to
use a flexible connection which absorbs vibration and prevents
the transmission of noise inside the ductwork.
• Bends should be avoided as much as possible near the unit
outlet.
If unavoidable, they should be as slight as possible, and internal
deflectors should be used when the duct is of large dimensiones.
IMPORTANT:
Duct calculation and design must be effected by a qualified
technician.
Electrical connections
VERY IMPORTANT:
To prevent electrical shock or equipment damage, make sure
the power supply sectioners are open before electrical
connections are made.
If this action is not taken, personal injury may occur.
First make the refrigerant connections and then the electrical
ones. In the case of disassembly, operations must be carried
out in the opposite sequence.
Fiel wiring must comply with valid codes.
Take special care when making the earth connection.
Voltage to unit must be within ±10% of voltage and ±10% of
current as indicated on nameplate.
Contact local power company for correction of improper line
voltage.
Check these before selecting supply wiring fuses an controls.
IMPORTANT:
Operation of unit on improper line voltage constitutes abuse
and is not covered by Carrier warranty.
IMPORTANTE:
• The mains supply connecting cable must be H07 RN-F type
(or higher), synthetic rubber insulation with Neoprene
coating, according to EN 60335-2-40 codes.
• Make the main electrical connection for the assembly via
the outdoor unit. Consult the wiring diagram sent with
the outdoor unit.
• To effect the unit power supply (wire inlet, conductor
section, protections, etc..), consult the Electrical Data Table,
the wiring diagram sent with the unit and the standards in
force affecting the installation of air conditioning
equipment.
VERY IMPORTANT:
The installer should place protection elements in the line
according to the legislation in force.
IMPORTANT:
• Make ground connection prior to any other electrical
connections.
• Make electrical connections between units prior to proceeding to
mains supply unit connection.
• Ensure that mains supply connection is made through a switch
that disconnects all poles, with contact gap of a least 3 mm.
NOTE:
• All field electrical connection are the responsibility of the
installer.
a Indoor unit
b Outdoor unit
cControl
dMain power supply
(field wiring)
eConnecting cable,
indoor-outdoor
units (field wiring)
f Connecting cable
indoor unit control
(field wiring)
a
ec
f
b
d

GB - 7
40SMC---N
ENGLISH
Electric connection
Cooling only
40SMC 009, 012N
C
G
P
2 3N N Y O W2 V 1 V 2 V 3 V 4 40 41 1L
C G P
2
1
3
1
1
2 3
10 80
10 100
IMPORTANT:
Cable amust always be placed above
cable c.
NOTE:
See the outdoor unit installation manual.
aPower supply cable (H07 RN-F)
bInterconnection cable (A07 RN-F)
cInterconnection cable (H07 RN-F)
C
G
P
2
2 3N N Y O W2 V 1 V 2 V 3 V 4 40 41 1L
CGP
2
1
Cooling only
40SMC 009, 012N
Power supply from outdoor unit
Indoor and outdoor units interconnections CRC
(mm2)
Model GND L N N Y O W2 V1 V2 V3 V4 40 41 1 2 3
40SMC009N 3 x 1,5 2 x 1,5 Disconnected 3 x 0,75
40SMC012N 3 x 2,5 2 x 2,5 H03VV-F
Indoor and outdoor units interconnections CRC
(mm2)
Model GND L N N Y O W2 V1 V2 V3 V4 40 41 1 2 3
40SMC009N - 3 x 1,5 Disconnected 3 x 0,75
40SMC012N - 3 x 2,5 H03VV-F
NOTE:
See the outdoor unit installation manual.
aPower supply cable (H07 RN-F)
bInterconnection cable (A07 RN-F)

GB - 8
40SMC---N
Electric connection
Heat pump
40SMC009N
C
G
P
1
2
2 3N N Y O W2 V 1 V 2 V 3 V 4 40 41 1L
C G P
2
1
IMPORTANT:
Cable amust always be placed above
cable b.
aPower supply cable (H07 RN-F)
bInterconnection cable (A07 RN-F)
1
2
2 3N N Y O W2 V 1 V 2 V 3 V 4 40 41 1L
C G P
1
C
G
P
2
Heat pump
40SMC012N
IMPORTANT:
Cable amust always be placed above
cable b.
aPower supply cable (H07 RN-F)
bInterconnection cable (A07 RN-F)
Indoor and outdoor units interconnections CRC
(mm2)
Model GND L N N Y O W2 V1 V2 V3 V4 40 41 1 2 3
40SMC009N 3 x 1,5 4 x 1,5 Disconnected 3 x 0,75
H03VV-F
Indoor and outdoor units interconnections CRC
(mm2)
Model GND L N N Y O W2 V1 V2 V3 V4 40 41 1 2 3
40SMC012N 3 x 2,5 2 x 1,5 2 x 1 Disconnected 3 x 0,75
H03VV-F

GB - 9
40SMC---N
ENGLISH
Cooling only
40SMC 018, 024, 028, 036, 048, 060N
C
G
P
2
2 3C C Y O W2 V 1 V 2 V 3 V 4 40 41 1R S
C G P
2
1
2
10 80
Heat pump
40SMC 018, 024, 028, 036, 048, 060N
2
10 80
C
G
P
2
2 3C C Y O W2 V 1 V 2 V 3 V 4 40 41 1R S
C G P
2
1
Indoor and outdoor units interconnections CRC
(mm2)
Model GND RCCYOW2SV1V2V3V44041123
40SMC018, 024, 028N - 1-1Disconnected 3 x 0,75
40SMC036, 048, 060N - - H03VV-F
NOTE:
See the outdoor unit installation manual.
aPower supply cable (H07 RN-F)
bInterconnection cable (A07 RN-F)
NOTE:
See the outdoor unit installation manual.
aPower supply cable (H07 RN-F)
bInterconnection cable (A07 RN-F)
Legend
1 Indoor unit
Earth
LLive power supply
NNeutral power supply
RPower supply connection to outdoor unit
CNeutral, connection to outdoor unit
YCompressor interlocking contac
OReversing valve control (Heat pump only)
W2 Outdoor fan signal
SThermostat end of defrosting signal
Indoor and outdoor units interconnections CRC
(mm2)
Model GND RCCYOW2SV1V2V3V44041123
40SMC018, 024, 028N - 3 x 1 3 x 1 Disconnected 3 x 0,75
40SMC036, 048, 060N - H03VV-F
V1, V2, V3, V4 Indoor fan speed
40, 41 Electric heater control
1, 2, 3 Room Controller control
2 Room Controller (CRC)
PPower supply
GEarth
CSignal
Electric connection

40SMC---N
GB - 10
Refrigerant line connection (Flare connnections)
For refrigerant tubes use seamless, insulated refrigeration grade
tube, (Cu DHP type according to ISO1337), degreased and
deoxidized, suitable for operating pressures of at least 4200 kPa
and for burst pressure of at least 20700 kPa.
Under no circumstances must sanitary type copper pipe be used.
N.B.: Gas extra-charge: outdoor unit 38YY060G903, add 450 g.
Diameter Min. thikness Tightening
tubing nominal torque
mm (inches) mm Nm
6,35 (1/4") 0,760 18
9,52 (3/8") 0,812 42
12,70 (1/2") 0,812 55
15,87 (5/8") 0,890 65
19,05 (3/4") 0,890 100
Insufficient tightening torque will cause gas leaks.
Overtightening the fittings will damage the tube flaring and cause
gas leaks.
ifgh
de
BAC
LINES MODEL Copper tubing Flared nut Coupling
40SMC009N + 11/4” 1/4” 1/4”
40SMC012N + 11/4” 1/4” 1/4”
40SMC018N + 11/4” 1/4” 1/4”
Liquid 40SMC024N + 11/4” 1/4” 1/4”
40SMC028N + 11/4” 1/4” 1/4”
40SMC036N + 13/8” 3/8” 3/8”
40SMC048N + 13/8” 3/8” 3/8”
40SMC060N + 13/8” 3/8” 3/8”
,40SMC009N + 13/8” 3/8” 3/8”
40SMC012N + 11/2” 1/2” 1/2”
40SMC018N + 11/2” 1/2” 1/2”
Suction 40SMC024N + 15/8” 5/8” 5/8”
40SMC028N + 15/8” 5/8” 5/8”
40SMC036N + 13/4” 3/4” 3/4”
40SMC048N + 13/4” 3/4” 3/4”
40SMC060N + 13/4” 3/4” 3/4”
AOutdoor unit
BField installed
C40SMC---N
dPressure needle nut
e3 way valve nut
fFlared nut
(Outdoor unit side)
gFlare connection body
hLiquid or suction line
(Supplied by the installer)
iEvaporator coupling flare nut

GB - 11
40SMC---N
ENGLISH
ATTENTION:
Before performing any service or maintenance operations,
turn OFF the main power switch.
In order to obtain maximum performance, special attention should
be paid to the following points:
• Inspect and clean the outdoor unit, especially the heat
exchanger coil.
• Ensure that all rubber and insulating joints are in good
condition.
• Check and clean condenser drain pan of the indoor unit; the
same check must be made for the heat pump outdoor units.
• Check tightness of electric connections.
• Clean or replace the air filter of the indoor unit.
Maintenance and service
a
a
aAir filter
Alarm code, troubleshooting chart and final raccomendation
Alarm code
A diagnostic system is contained in the electronic card to “check”
the system integrity.
When the diagnostic system is under alarm, the red LED installed
onto the main card flashes as indicated below:
• 0.5 sec. ON and 0.5 sec. OFF.
•
The number of flashes depends on the error that has been detected.
Not all of the errors can be reset (see table below).
Error Error Resettable
code *
2 Condensation discharging pump NO
3 Air temperature sensor YES
4 Internal battery temp. sensor YES
5 External battery temp. sensor YES
6** Dirty filters YES
7 Outdoor unit error YES
8 Low voltage YES
9 Compressor malfunction ***
10 EEPROM YES
11 Serial number YES
12 Address/zone number YES
13 Gas flow distributor (GFD) YES
*NO: Turn off power supply to the system, check and repair, if necessary.
Turn on power.
YES: Check
** If this diagnostic system is enabled.
*** YES, for the first 4 errors.
Aseries of possible faults is related below, as well as the probable
causes and suggested solutions.
However, in the event of a unit malfunction, it is advisable to
disconnect the power supply and ascertain the cause.
ATTENTION:
Most operations must be carried out by skilled personnel.
Troubleshooting chart
Symptoms / Cause / REMEDY
Unit does not start
• No power supply: CHECK.
•Main switch open: CLOSE SWITCH.
•Current wires cut: RIPARARE OSOSTITUIRE CEPAIR OR REPLACE
(BY SKILLED PERSONNEL).
•Fuses blown: REPLACE AND CHECK CONSUMPTIONS.
•Protector tripped: RESET AS DESCRIBED.
•Thermostat wrongly adjusted: SELECT AMORE SUITABLE TEMPERATURE.
Unit provides less cooling or heating than normal
•Dirty air filter: CLEAN FILTER.
•Wrongly adjusted or faulty thermostat:
SELECT AMORE SUITABLE TEMPERATURE, OR REPLACE THERMOSTAT.
Unit operates continuously, or stops and starts very frequently
(by skilled personnel).
•Refrigerant loss: CHECK AND ADD THE NECESSARY QUANTITY (R-410A).
•Faulty compressor (Outdoor unit): REPLACE COMPRESSOR.
•Faulty compressor contactor (Outdoor unit): CHANGE CONTACTOR.
Unusual noises or strange vibrations (by skilled personnel).
•Fan motor fixtures loose: TIGHTEN FIXTUR
•Badly adjusted panels: ADJUST PROPERLY
•Unit wrongly installed: CHECK INSTALLATION
•A foreign object, tool, etc, has got into the fan: REMOVE THE FOREIGN
OBJECT
Fan and motor not operate (by skilled personnel).
•Faulty motor or capacitor: REPLACE.
•Loose connections:CHECK AND TIGHTEN PROPERLY
Final recommendations
All units undergo strict Quality Control testing before leaving the
factory.
Whatsmore, all the elements included, such as the control
system, electrical equipment, etc., are qualified by our Quality
Control Department, and laboratory tested in the harshest
possible conditions.
Nevertheless, after leaving the factory, it is possible that these
elements may be demaged due to causes beyond our control. In
an event, and if the unit fails to operate correctly: the user should
not manipulate any of the internal elements. In the event that
inspection and repair work is required, it should be left to a
specialized technician.
All recommendations concerning unit installation are intended to
be orientative.
The installing firm should do the job according to the
characteristics of the project, and in all events comply with the
official rulling for air conditioning and refrigeration installations.
IMPORTANT:
The manufacturer declines all responsability for malfunction
resulting from abuse.

GB - 12
40SMC---N
Fan diagrams
40SMC009N
40SMC024N
1 -Super high speed
(optional)
2 - High speed
3 - Medium speed
4 - Low speed
eAir flow (l/s)
e
40SMC012N
40SMC018N
Pa
Pa
100
90
80
70
60
50
40
30
20
10
0
70 90 110 130 150 170 180 190
1
2
3
4
100
90
80
70
60
50
40
30
20
10
0
140 160 180 200 220120100
1
2
3
4
100
90
80
70
60
50
40
30
20
10
0
120 150 200 240
1
2
3
4
100
90
80
70
60
50
40
30
20
10
0
170 200 250 400300 350 410
1
2
3
4
ee
e
Pa
Pa

GB - 13
40SMC---N
ENGLISH
40SMC036N
ee
1- Super high speed
(optional)
2 - High speed
3 - Medium speed
4 - Low speed
eAir flow (l/s)
40SMC028N
Pa Pa
Pa Pa
100
90
80
70
60
50
40
30
20
10
0
220 250 300 400 450350
1
2
3
4
100
90
80
70
60
50
40
30
20
10
0
300 350 400 450 500 550
1
2
3
4
190
90
40
30
20
10
0
300 400 500 600 700 800 850 900
180
170
160
150
140
130
120
110
100
80
70
60
50
200
1
2
3
4
190
90
40
30
20
10
0
300 400 500 600 700 800 900
200
180
170
160
150
140
130
120
110
100
80
70
60
50
1
2
3
4
e
40SMC048N 40SMC060N
e
Fan diagrams

L010125H82- 0303
Via R. Sanzio, 9 - 20058 Villasanta (MI) Italy - Tel. [phone]
The manufacturer reserves the right to change any product specifications without notice.
Order No. 14014-74, March 2003. Supersedes Order No. 14014-74, October 2002. Printed in Italy