40 GKX
OWNER’S MANUAL
IR Remote Control
“Room Controller”
“Group Controller”
“Zone Manager”
The unit can be used with infrared Remote Control, with the Carrier “Room
Controller” or “Group Controller” remote control.
Some units can be used also with the Carrier “Zone Manager” remote control.
Infrared control instructions are contained in the present manual.
Remote controls instructions are contained in the relevant manuals.
The installation instructions for both the indoor and the outdoor unit are given in the
manuals for each unit.
Contents
ENGLISH
40 GKX
Split system “Global cassette” indoor unit
Page
General information ....................................................................................
2
System description .....................................................................................
2
Unit LEDs and controls ...............................................................................
3
Periodical checks ........................................................................................
3
Optimum comfort and minimum power consumption .................................
4
Correct cleaning ..........................................................................................
4
Before a long shutdown period ..................................................................
4
Infrared remote control ...............................................................................
5
Display of the selected functions ................................................................
6
Unit protection devices ...............................................................................
6
Use of the remote control ............................................................................
7/8
Troubleshooting ..........................................................................................
9
GB - 1
40 GKX
General information
Unit operation and maintenance
Read this instruction manual thoroughly before using the unit.
• Do not open the remote control to avoid possible damage.
In case of malfunction contact a qualified service engineer.
• This unit complies with the low-voltage (EEC/73/23) and
electro-magnetic compatibility (EEC/89/336) directives.
• This unit contains moving parts. Ensure that these parts are kept
out of the reach of children.
• Check that the mains power supply has been connected to the
outdoor unit.
• Maintain the room temperature at general comfort conditions,
especially when children, elderly or handicapped persons are present.
• Check that the mains power supply voltage and frequency are as
required for the unit; the power source must be sufficient to
operate all other appliances connected to the same line.
• In order to ensure correct use, the air conditioner must operate
within the temperature limits indicated in the “Operating Limits”
table, included in the outdoor unit installation manual.
Failure to observe these limits may cause unit malfunction or
water leakage.
• All operation and maintenance manuals must be carefully looked
after and kept with the equipment, should the unit change owners.
• Check that all current national safety code requirements for the
installation have been followed. In particular, ensure that a
properly sized and connected ground wire is in place.
• Only use the unit for factory approved applications: the unit cannot
be used in laundry premises.
• Do not use damaged equipment. In case of malfunction, turn the
unit OFF and disconnect the mains supply.
• Disconnect the mains power supply prior to any maintenance
operations or prior to handling any internal unit parts.
• The manufacturer declines any liability for damage resulting from
modifications or errors in the electrical or refrigerant connections,
made during the installation, or from improper use of this
equipment. This will invalidate the unit warranty conditions
immediately.
• Failure to observe electrical safety codes may cause a fire hazard
in the event of short circuits.
• This unit will only work safely and correctly, if installed and tested
by qualified personnel.
• Inspect equipment for damage during transport. In case of
damage file an immediate claim with the shipping company.
• This equipment contains ozone depleting substances. Non-routine
maintenance of the refrigerant circuit must only be carried out by
qualified personnel.
• All of the manufacturing and packaging materials used for
this appliance are biodegradable and recyclable.
• Dispose of the packaging material in accordance with local
requirements.
• This equipment contains refrigerant that must be disposed of
correctly.
When disposing of the unit at the end of its operational life,
take the unit to an authorised waste disposal centre, or to the
original equipment dealer, for correct disposal procedures.
WARNING:
Do not switch OFF the split system by disconnecting the
electric power supply. The unit must always be switched OFF
using the remote control.
7
System description
6
1 2
3
4
5
B
Mod. 012 - 018 - 024
A. Outdoor unit
B. Indoor unit
C. Remote control (if foreseen)
1.
2.
3.
4.
Air return
Air filters
Air supply
Operation indicator light and
receiver of remote control
signals
5. Nameplate
6. Interconnecting tubing
7. Condensate drain (open)
GB - 2
A
C
40 GKX
Unit LEDs and controls
Q PN
ENGLISH
S
EMER
NORMAL
N
P
Q
Green LED: ON/OFF signal.
Yellow LED: timer ON, when illuminated.
Red LED: when illuminated, one of the unit protection
devices is activated.
R Operation switch (it can be used only by authorized
installation or service personnel): three position switch for
“normal” (A), “emergency” (M) or “test” operation.
“Normal position” (A): for standard unit operation.
“Emergency position” (M): for use when the infrared control
does not work (e.g. - exhausted batteries) or is lost. With the
switch in this position unit will keep the room temperature at
23°C under the following conditions:
• Fan speed: automatic
• Deflecting louvres: automatic
• Timer mode: disabled
During emergency operation the unit cannot receive signals
from the remote control.
After remote control operation has been reset, return the switch
to the “Normal” position.
TEST
(M )
(A)
R
“Test position”: (it can be activated by opening the control
panel). When activated the unit will run in the cooling mode and
can be switched OFF by pressing any button on the remote
control or returning the button to the normal position.
S Signal receiver from the remote control.
NOTES:
flashes, there is a unit malfunction.
• When indicator N
• When indicator P
flashes, the power supply has been
interrupted; this indicator is illuminated only when the timer
mode has been activated.
is illuminated, one of the unit protection
• When indicator Q
devices has been tripped.
• The table "unit protection devices" shows the protection
devices included in the unit.
An activated protection device is not a sign of unit or
system malfunctioning.
After a certain time (which differs for each protection
device) the air conditioner will automatically return to
normal operation.
Table I: Periodical checks
Indoor unit
Clean air filter (2)
Clean condensate drain pipe (2)
Change the remote control batteries (if foreseen)
Outdoor unit
Clean outdoor coil from inside (2)
Blow-clean electric parts (2)
Check tightness of electric connections (2)
Clean fan wheel (2)
Check tightness of fan unit (2)
Clean drainage pan (2)
Every 6 months
•
•
Every year
(1)
Every 6 months
•
Every year
•
•
•
•
•
•
For efficient air
conditioner operation
carry out the checks and
maintenance as
indicated.
Recommended
maintenance intervals
may vary depending on
the installation
environment, e.g.: dusty
zones, etc.
(1) Increase frequency in
dusty zones.
(2) Operations to be
carried out by
qualified service
personnel. See
“Installation Manual”.
GB - 3
40 GKX
Optimum comfort... - Correct cleaning - Before a long shutdown period
Optimum comfort and minimum power
consumption
Correct cleaning
• Turn the unit OFF and switch the main supply OFF.
Keep room temperature at a comfortable level.
Use only a clean, damp cloth and a mild detergent.
Do not use flammable liquids, solvents or abrasive powders that
may result in damage to the panels.
Use only a dry cloth to clean the remote control.
Before a long shutdown period
Only open doors and windows when strictly necessary.
Ask to clean the filter and replace it in the unit.
12 h
When cooling, avoid direct sunlight in the room: if possible, draw
the curtains or close the shades.
Do not obstruct the air intake or outlet of the indoor unit.
Obstructions will cause a reduction in the air flow and the
conditioning effect, resulting in unit malfunction.
Keep the unit in operation for half a day in the ventilation
(fan only) mode in order to dry all internal parts.
Switch the unit OFF and wait for at least 3 minutes before switching OFF the main electric supply.
Ensure that the air filters are clean.
Ensure that the air distribution in the room is uniform by properly
adjusting the air flow direction.
Remove the batteries from the remote control (if foreseen).
Periodically clean the area surrounding the outdoor unit and the
air intake, in order to avoid reduced air circulation.
Keep heat sources away from the unit: panels may be damaged.
Clean indoor and outdoor units.
GB - 4
40 GKX
Infrared remote control (if applicable)
ENGLISH
Insert the batteries, paying attention to the correct polarity indicated
in the battery compartment; replace the cover.
Fix the remote control holder to the wall, using the screw.
The remote control operates with two IEC LR03-type 1.5 V non
re-chargeable batteries. A fading display and reduced remote control operating range indicate that the batteries are exhausted.
BEEP
How to insert the batteries:
The remote control batteries contain contaminating elements.
When exhausted, they must be disposed of in accordance with
local requirements.
Open the sliding cover.
The maximum operating range for the remote control is approximately
6 meters. No obstructions (e.g.: curtains or plants) should be positioned between the remote control and the unit.
Direct sunlight on the unit receiver may interfere with good signal
reception. The remote control must be directed toward the unit
receiver when pressing the buttons of the desired functions. A
“beep” will indicate that the signal has been received. If the signal
has not been received, renewed transmission is necessary by
pressing any of the buttons E, F, L or J under the sliding cover.
After the “beep” signal, check the function displayed on the remote
control readout and adjust or modify the selection made, if necessary.
will appear on the display.
During signal transmission symbol 1
When symbol 1
is illuminated it is not possible to send other
signals.
is OFF.
In order to send a new signal, check that symbol 1
Press
Remove the cover by pressing on the plastic catch on the rear of
the remote control.
A.
Display
B.
ON/OFF button
C.
Timer mode ON/OFF button
D.
Mode selection button
E.
Increase temperature button
F.
Decrease temperature button
G.
Timer program selection button
C
H.
Set clock or timer hour button (Up)
D
I.
Set clock or timer hour button (Down)
F
J.
Fan speed selection button
K.
Night mode button
L.
Position of air outlet louvres
M.
Clock set button
M O D E
T E M P E R A T U R E
T I M E R
A
C L O C K
A I R
B
E
G
H
I
J
K
L
M
GB - 5
40 GKX
Display of selected functions
1.
Signal transmission symbol
2.
Operating mode display
3.
Dehumidification only
4.
Cooling and dehumidification
5.
Automatic
6.
Heating
7.
Ventilation (fan only)
8.
Temperature display
9.
Temperature selected
10.
Timer operating mode display
11.
Combined timer start/stop program
12.
Night stop function
13.
Stop program
14.
Start program
15.
Clock display
16.
Actual time or programmed start/stop time
17.
Air function display
18.
Fan speed
19.
Air outlet louvre operation
Table II: Unit protection devices
Type of protection
Cold draft
prevention
(active on heating)
Condition for activation
With fan in AUTOMATIC
indoor fan OFF and
red LED on selected.
:
Defrost cycle
(active on heating)
Indoor and outdoor fan OFF and
red LED on louvres in a different
position from that selected.
Electric heater
protection
(unit with electric heater only)
Fan will stop for 30 sec. after
unit is turned OFF (red LED on).
Freeze-up protection
(active on cooling and dehumidification)
Compressor and outdoor fan OFF
Against frequent
compressor cycling
Compressor OFF for about 3 minutes
WARNING:
Models with electric heaters: the unit is fitted with two thermostats - one with automatic reset and one with manual reset. If the manual thermostat also trips the
circuit, investigate and correct the cause. Switch OFF and ON the power supply to the electric heaters in order to reset the thermostat.
During heat pump operation the unit will undergo several defrost cycles to eliminate any ice that may have collected on the outdoor unit in very low ambient
temperatures. During these cycles, the indoor fan is automatically stopped and cannot be switched on until the defrost cycle is completed.
GB - 6
40 GKX
Use of the remote control (if applicable)
Start/stop
(button B)
When the air conditioner is not in operation, the remote control
readout will only display the actual time (if other symbols are
illuminated, turn the remote control OFF by pressing button B ).
to start the air conditioner; indicator N
on the
Press button B
unit will illuminate; the last selected and memorised functions will
be shown in the display:
the unit will operate according to the functions selected.
If the unit does not acknowledge the starting signal by emitting a
does not illuminate, the remote
“beep” sound, and indicator N
control must be turned OFF (by pressing button B ) and the
starting operation must be repeated.
Press button B
to stop the air conditioner; all indicators on the
unit will be switched OFF, and the remote control will only display
the actual time.
If the unit does not stop, turn the remote control ON (by pressing
button B ) and repeat the operation. In certain special operating
conditions the fan will continue to run for 30 seconds after the unit
stops:
in this event indicator light Q
on the indoor unit will illuminate.
(air conditioner starting) is pressed immediately
If button B
after a stop, the compressor will not start for 3 minutes due to the
inherent protection against frequent compressor cycling; in this
case indicator light Q
on the unit will also illuminate.
The unit will only emit a “beep”, when the signals are received
correctly.
ENGLISH
Temperature control
UP
(button E)
DOWN
(button F)
Pressing the UP (E ) and DOWN (F ) buttons will increase or
decrease the required room temperature value.
The unit will confirm the signal receipt with a “beep”, and the value
of the set temperature on the display will change accordingly. The
temperature can be set between 18°C and 29°C at 1°C intervals.
In the cooling mode, if the temperature selected is higher than the
room temperature the unit will not start. The same applies to the
heating mode, if the selected temperature is lower than the room
temperature.
Timer operating mode selection
(button G)
By pressing button G
it is possible to choose one of the following
programs in sequence:
Symbol on display
Timer mode On/off
(button C)
This button allows the air conditioner to operate in the TIMER mode
according to the programs selected with button G .
on the unit is illumiWhen this function is ON, indicator light P
nated.
After a power failure, indicator light P
will flash and the unit will
remain in the operating condition that was in progress before the
power cut.
Power failures will deactivate the TIMER mode: to reactivate the
TIMER mode, press button C
twice.
Selection of the operating mode
(button D)
No
simbol
Continuous operation
(timer OFF)
Programmed start
Programmed stop
Combined program: unit will automatically cycle
ON and OFF as programmed
Programmed start time
until the symbol indicating programmed unit
Press button G
start appears on the display; select the desired starting time in the
following manner:
• After having defined the TIMER program (in this case a
programmed start) the last programmed time will appear on the
display:
This button selects the operating mode of the air conditioner. Different options are available depending on the unit model. By repeatedly pressing this button the available modes will be selected in sequence and the relevant symbols will appear on the display, while
the unit will acknowledge signal receipt with a confirming “beep”.
Simbol on display
Cooling with dehumidification.
Heating (where available).
Automatic mode.
The air conditioner will automatically switch from heating
(where available) to cooling and vice versa in order to
maintain the selected temperature.
Dehumidification only.
The air conditioner extracts moisture from the air without
changing the room temperature.
Ventilation (fan only).
• A personalised new start time can be programmed by pressing
and I
until the desired time appears. Each press
buttons H
of the button will change the time by intervals of 15 minutes,
to confirm the selection: indifrom 0:00 to 23:45. Press button C
cator P
on the unit will illuminate and the air conditioner is
ready to start at the selected time. If the unit is in operation when
the confirmation signal is sent (by pressing button C ), it will
switch OFF and then restart at the new programmed start time.
Programmed stop time
until the symbol indicating programmed unit
Press button G
stop appears on the display. Set the programmed stop time in the
same manner as previously described.
to confirm the selection.
Press button C
on the unit will illuminate and the unit will start.
Indicator P
If the unit is switched OFF when the confirmation signal is sent (by
pressing button C ), it will switch ON and then stop at the new
programmed stop time.
GB - 7
40 GKX
Use of the remote control (if applicable)
Combined programming
The combined program (a selection of a sequence of start and
stop times) will start and stop the air conditioner each day at the
programmed times, without the need of user intervention. To activate this function proceed as follows:
until the programmed start sym1. Repeatedly press button G
bol appears on the display; now set the desired start time, as
indicated in the “programmed start time” section.
2. Press button G
again to show the symbol for the programmed stop time and set the desired stop time.
3. Press button G , until the symbol for the combined program
appears; together with this symbol, the symbols for the start
and stop programs appear alternatively along with the respective programmed times.
on
4. To confirm the program, press button C . Indicator P
the unit will illuminate.
5. If the programmed times for start and stop coincide, the combined operation mode will not function.
The TIMER operation mode can be cancelled at any time by
on the unit will turn OFF, and
pressing button C : indicator P
the indication of the timer mode will disappear from the display on
the remote control.
The unit will store the mode in which was operating at that time:
ON if it was in operation, ON if it was turned OFF.
illuminated) the
When the timer mode is ON (unit indicator P
remote control will always display the symbol relevant to the
current timer program; the actual time will be displayed.
When a programmed start or stop has been selected, once the operation has been carried out at the desired time, the unit will remain in the TIMER operating mode selected. To change the operating mode, it is necessary to manually start or stop the unit or select a new program by pressing button C .
In the event of a power failure during timer mode operation, the
unit will restart (when power is restored) and return to the last opwill flash
erating position before the power cut: unit indicator P
to show that the Timer mode is OFF. To reactivate the timer mode,
press button C
twice.
To set the time for the timer programs selected with button G
and I
. Buttons H
and I
also
press the buttons H
serve to adjust the time shown on the display in the CLOCK
section.
,
Positioning
the air outlet louvres
(button L)
In order to optimise air distribution in the room, the air flow direction
can be varied. By pressing button L in sequence, the position of
the louvres can be selected.
Simbol on display
Automatic
The air flow direction is controlled automatically. During
cooling the deflecting louvres will direct the air close to the
ceiling (Coanda effect); when heating, the air will be
directed towards the floor in order to prevent layers of hot
air forming in the upper part of the room.
Simbol on display
Swing
The louvres move continually from the bottom upwards in
order to supply better air distribution.
Adjusting clock time
(button M)
Selecting the fan speed
(button J)
.
Simbol on display
Low speed
(for night operation)
Medium speed
High speed
(to reach temperature)
Automatic
(Fan speed will automatically switch to the value required
for optimum comfort). When this function is activated, the
dotted symbols will flash.
GB - 8
This function optimizes comfort at night, taking into account
variations in the human metabolism.
One hour after activation of this function, the temperature (set for
cooling) will increase by 1°C, or decrease by 1°C (if heating), up to
2°C in two hours. After 5 hours the unit will stop completely.
The system will automatically operate at low fan speed to minimize
sound level.
When activating this function, the remote control will show the time
when the air conditioner will completely stop.
to deactivate the function.
Press button C
6 positions can be selected.
The louvres can be adjusted to provide
6 different air flow directions.
Time adjustment
(buttons H and I)
The fan speed can be selected by pressing button J
Night stop
(button K)
To adjust the clock time, put the remote control in the ON position
by pressing button B
(after inserting the batteries).
To adjust the time shown in the CLOCK section, proceed as follows:
• Gently press the recessed button at the right corner of the
remote control battery compartment with a pointed instrument
(e.g. a pencil point): the hour figures will flash.
and I
to adjust their value to the correct
Use buttons H
time of day.
• Press the recessed button a second time and the minute figures
will flash. Adjust them to the correct value in the same way.
• Pressing the recessed button a third time will activate the clock
function.
40 GKX
Troubleshooting
After inserting the batteries in the remote control, the display
does not illuminate:
• The batteries are exhausted or the polarity is incorrect; replace
the batteries or check polarity.
When pressing the recessed clock adjustment button, the hour
figures on the display do not flash:
• The recessed button has not been pressed correctly; press with a
rounded point, avoid exerting excessive pressure.
When pressing any button all symbols appear on the display:
• The recessed button for time setting is blocked due to excessive
pressure during use. The remote control has been irreversibly
damaged; replace with a new one.
When pressing the start button, the unit does not
acknowledge the signal with a “beep”:
• The main switch is switched OFF, place the switch in the ON
position.
• The remote control batteries are exhausted; replace the batteries.
• The remote control has not been pointed correctly at the unit
receiver; turn the remote control OFF and repeat the operation,
pointing the remote control in the correct direction.
• There are obstacles (curtains, partitions, etc.) between the remote
control and the unit; repeat the operation after having removed the
obstacles.
• The receiver on the unit or the remote control is exposed to
intense sun radiation; avoid direct sunlight on the unit, draw
curtains or shut shades, or move the remote control.
• Signal transmission is obstructed by severe electromagnetic field
interference; avoid sending signals when computers or household
appliances (food processors, coffee makers, etc.) are operating
close by. Cellular or cordless telephones may also interfere with
the control.
When pressing the stop button the unit does not turn OFF and
does not acknowledge the signal with a “beep”:
• The remote control batteries are exhausted; replace the batteries.
• The remote control has not been pointed correctly to the unit
receiver; turn the remote control OFF and repeat the operation,
pointing the remote control in the correct direction.
• There are obstacles (curtains, partitions, etc.) between the remote
control and the unit; repeat the operation after having removed the
obstacles.
• The receiver on unit or the remote control is exposed to intense
sun radiation; avoid direct sunlight on the unit, draw curtains or
shut shades, or move the remote control.
• Signal transmission is obstructed by severe electromagnetic field
interference; avoid sending signals when computers or household
appliances (food processors, coffee makers, etc.) are operating
close by. Cellular or cordless telephones may also interfere with
the control.
When pressing the stop button the unit acknowledges the
signal with a “beep”, but the fan will not stop and LED Q
remains illuminated:
• Wait for 30 seconds, after which the unit will stop.
When pressing any function button, the remote control shows
the function requested on the display, but the unit does not
acknowledge the signal with a “beep” and does not carry out
the function:
• The remote control batteries are exhausted; replace the batteries.
• The remote control has not been pointed correctly to the unit
receiver; turn the remote control OFF and repeat the operation,
pointing the remote control in the correct direction.
• There are obstacles (curtains, partitions, etc.) between the remote
control and the unit; repeat the operation after having removed the
obstacles.
• The receiver on unit or the remote control is exposed to intense
sun radiation; avoid direct sunlight on the unit, draw curtains or
shut shades, or move the remote control.
• Signal transmission is obstructed by severe electromagnetic field
ENGLISH
interference; avoid sending signals when computers or household
appliances (food processors, coffee makers, etc.) are operating
close by. Cellular or cordless telephones may also interfere with
the control.
The remote control display does not change when any button
is pressed:
• The triangle symbol 1
is ON, whilst another signal is being
transmitted; wait for signal 1
to disappear and then repeat the
operation.
Air conditioner will not start:
• The main switch is switched OFF, place the switch in the ON
position.
• The fuses on the main switch are burnt out; replace the fuses.
• Wait for 3 minutes: protection against frequent compressor cycling
is ON.
• Selected temperature is higher than the room temperature (or
lower in the heating mode).
Air conditioner is not supplying enough cooling (or heating):
• Air cannot circulate freely.
• Dirty filter reduces air quantity circulating.
• Doors and/or windows are open.
• Fan speed has been set to ‘low’.
• Air flow direction is not correct for optimum ventilation.
• Selected temperature is not correct.
A slight mist is emitted from the unit:
• A slight mist, coming out of the unit air outlet, is sometimes
noticed during cooling operation. This is due to the cool air coming
into contact with the room air.
A slight whistling noise is heard when the air conditioner
starts or stops:
• This is due to the refrigerant beginning to circulate or an
adjustment of the refrigerant pressures. This is a normal operating
condition.
N
indicator is flashing:
System malfunction.
Contact service organisation after having ensured that:
• Air circulation is not obstructed.
• Outdoor unit coil is not obstructed and causing severe reduction of
air circulation.
• Condensate drainage tube is not obstructed.
Restart air conditioner after having corrected the faults.
Q
indicator is illuminated:
• A unit protection device has been activated (see Table I).
The unit emits unpleasant smells:
• Unpleasant smells can accumulate on the air filters and then be
dispersed into the room during air conditioner operation. Switch
the unit OFF and contact an authorised service centre to have the
filters cleaned. Restart unit in the ventilation (fan only) mode and
open windows to change room air.
The unit makes strange noises:
• Occasionally the unit makes strange noises at start-up, during
operation or when it has stopped. These are generally due to the
effect of temperature changes on the plastic parts.
WARNING:
(models with electric heaters):
• If the manual reset, thermal trip device cuts out, switch the unit
OFF and ON again at the main switch to reset.
If the malfunction persists, contact your local authorised dealer.
GB - 9
L010121H31 - 0398
Via R. Sanzio, 9 - 20058 Villasanta (MI) Italy - Tel. 039/3636.1
The manufacturer reserves the right to change any product specifications without notice.
Order No. 14072-74M10, March 1998. Supersedes Order No. 14072-74, January 1998.
Printed in Italy