INVERTER 9-12 DC INVERTER 9 SF

INVERTER 9-12 DC 1. TECHNICAL DATA: DESCRIPTION OF PARAMETERS INVERTER 9 SF INVERTER 9 HP INVERTER 12 SF INVERTER 12 HP Cooling capacity (1) (min / rated / max) kw 1.4/2.3/2.7 1.4/2.3/2.7 1.8/2.7/3.1 1.8/2.7/3.1 Heating capacity (2) (min / rated / max) kw _ 1.4/2.4/2.7 _ 1.8/2.7/3.0 Power consumption in cooling mode(min/rated/max)(1) W 460/850/1300 460/850/1300 580/1000/1400 580/1000/1400 Power consumption in heating mode(min/rated/max)(2) W _ 420/750/1200 _ 530/840/1300 Current consumption in cooling mode(min/rated/max) A 2.1/3.9/5.8 2.1/3.9/5.8 2.7/4.6/6.4 2.7/4.6/6.4 Current consumption in heating mode (2) (min / rated / A _ 1.9/3.4/5.3 _ 2.4/3.8/5.9 Yearly energy consumption in cooling mode (1) kwh 425 425 500 500 Dehumidification capacity l/h 1.0 1.0 1.1 1.1 Power supply V-F-Hz 230 1-50 230 1-50 230 1-50 230 1-50 Power supply min / max V 198/264 198/264 198/264 198/264 Power absorption in cooling mode W 1300 1300 1400 1400 Power absorption in heating mode W _ 1200 _ 1300 Maximum absorption in cooling mode A 5.80 5.80 6.40 6.40 Maximum absorption in heating mode A _ 5.30 _ 5.80 Protection level IP20 IP20 IP20 IP20 Maximum operating pressure MPa 3.60 3.60 3.60 3.60 E.E.R. _ 2.70 2.70 2.70 C.O.P. _ 3.20 _ 3.21 Energy Efficiency Class in cooling mode A A A A Energy Efficiency Class in heating mode _ A _ A Fan speed ( indoor / outdoor ) 3/4 3/4 3/4 3/4 Room air volume in cooling mode ( max/med/min ) m³/h 490/430/360 490/430/360 490/430/360 490/430/360 Room air volume in heating mode ( max/med/min ) m³/h _ 490/430/360 _ 490/430/360 Outdoor air volume in cooling mode ( max/min ) m³/h 520/350 520/350 520/350 500/340 Outdoor air volume in heating mode ( max/min ) m³/h _ 520/350 _ 500/340 Dimensions ( W x H x D ) mm 902x506x229 902x506x229 902x506x229 902x506x229 Weight ( without packing ) kg 39 39 39 39 Indoor noise level db 34-43 34-43 34-43 34-43 Wall hole diameter mm 162/202 162/202 162/202 162/202 Refrigerant gas / charge Tipo/kg R410A/0.490 R410A/0.490 R410A/0.490 R410A/0.490 Power cable ( N pole x section mmq ) 3x1.5 3x1.5 3x1.5 3x1.5 Maximun remote control range ( distance / angle ) m/ 8/80 8/80 8/80 8/80 Fuse 10AT 10AT 10AT 10AT OPERATIONAL LIMITS Indoor temperature outdoor temperature Maximum operating temperature in cooling mode DB 32 C WB 24 C DB 43 C WB 32 C Minimum operating temperature in cooling mode DB 18 C DB 10 C Maximum operating temperature in heating mode DB 27 C DB 24 C WB 18 C Minimum operating temperature in heating mode _ DB 15 C TEST PARAMETERS (wall hole diameter of 200 mm) Indoor temperature outdoor temperature (1) Cooling capacity test DB 27 C WB 19 C DB 35 C WB 24 C (2) Heating capacity test DB 20 C WB 15 C DB 7 C WB 6 C

2. DISPLAY: G=> Riceiving remote control signal; H=> Micro-button RESET; FUNCTIONS DESCRIPTION LED D (green) LED C (yellow) LED B (green) LED A (red) Standby OFF OFF OFF OFF Air conditioner active (reached set point) ON X X X Timer(s) active, waiting state OFF ON OFF OFF Timer(s) active, ON state ON ON X X Compressor ON state ON X ON X Dirty filter warning (FS) ON X X ON (FS): After passing the 600 hours of operation, the alert appears on the FS replace dirty filters (the machine doesn t stop); it is reset by pressing the micro button for a few seconds. 3. REMOTE CONTROL T1 ON/OFF /standby) T2 Economy key T3 Night key T4 Operating mode selector T5 Fan speed selector T6 Setting timer and programs T7 Increasing or decreasing the temperature/time setting T9 Activation / deactivation of the deflector unit. T10 Reset T11 Activation program D1 Fan speed D2 Heating D3 Cooling D4 Dehumidifier only D6 Night operaio switch D7 Automatic operation switch D8 First operating program switch D9 Second operating program switch D10 Temperature indicator or time indicator D11 Eco activation of the economy function

4. MODE AND LOGIC OPERATION 4.1 Automatic mode: These mode can be selected from the Remote Control by acting on the relative key as well as by pressing the switch on the display card (in the latter case, only if the appliance was formerly in standby mode). In this program the appliance working mode is selected automatically depending on the room temperature value monitored: T room < 17 C (heating) IDU maximum speed enabled; 17 C T room < 19 C (heating) IDU medium speed enabled;; 19 C T room < 21 C (heating) IDU minimum speed enabled; 21 C T room 23 C (ventilation only) IDU minimum speed enabled; 23 C < T room 25 C (cooling) IDU minimum speed enabled; 25 C < T room 27 C (cooling) IDU medium speed enabled; T room > 27 C (cooling) IDU maximum speed enabled; 4.2 Cooling mode: In this mode, the air conditioner dehumidifies and cools the room. Before carrying out the operation, set the required temperature and choose the fan speed (refer to the related paragraphs). After having activated this run mode, the compressor will start running after 3 minutes at the most and the unit will begin to emit cold air; if the temperature is below the set temperature the compressor doesn t start. Only at first start-up from power off, if T room is higher than T set, T room is forced by IDU board to 45 C in order to force the compressor to the maximum frequency for 1 minute. When time ends, the compressor continues to work in according to procedure described below (frequency is recalculated every 3 minutes): T room T set +3 C MAXIMUM frequency; T set +3 C > T room. T set +1 C MODULATED frequency; T set -1 C T room. T set +1 C MINIMUM frequency; T room T set-1 C compressor OFF; The IDU FAN motor works at selected speed (MIN, MED or MAX depending on Remote Control setting). In case automatic speed mode is enabled, IDU FAN speed works in this way (in case T room changes instead, the automatic speed waits at least 3 min. working at the same speed before changing): T room. T set+1 C MINIMUM speed; T set +1 C < T room. T set +3 C MEDIUM speed; T room. > T set+3 C MAXIMUM speed; 4.3 Heating mode (heating pump only): First set the desired temperature and fan speed. After three minutes the compressor should start and the air conditioner starts heating the room. The start of the compressor can be checked through the lighting of the green LED located on the console. It s only available for models with heat pump (HP). This operation must be preceded by the setting of desired temperature and fan speed selection. Only at first start-up from power off, if T set deviates ± 1 C from the value measured in, the temperature of the room is forced to 5 C in order to force the compressor frequency for a maximum interval of 1 minute. When time ends, the compressor continues to work in according to procedure described below where T camb. corresponds to environment temperature correction on the location of the high/low unit (see cap.6):

T room (T set+t camb) -3 C MAXIMUM frequency; (T set+t camb) -3 C < T room (T set+t camb) -1 C MODULATED frequency; (T set+t camb) -1 C < T room. (T set+t camb) +1 C MINIMUM frequency; T room. > (T set+t camb) +1 C compressor OFF; The frequency is recalculated and modified as necessary at intervals of 3 minutes. The speed of the internal fan works, if not specifically set, in accord the temperature of the internal heat-exchanger, in particular: T int. heat-exchanger < 31 C IDU fan and air-sweep stop to prevent cold air; 31 C T int. heat-exchanger 38 C IDU fan starts working SUPER-LOW speed; T int. heat-exchanger > 38 C IDU fan and air-sweep operate in according with Remote Control; 4.3.1. Defrost: DEFROST is enabled after 20 minutes of the compressor start to the occurrence of any of these conditions: T out - T ext. heat-exchanger > 7 C and T out > 5 C (for next 5 minutes); T out - T ext. heat-exchanger > 15 C and -1 C < T out 5 C (for next 2 minutes); T out - T ext. heat-exchanger > 8 C and -8 C < T out -1 C (for next 2 minutes); T out - T ext. heat-exchanger > 7 C and T out 8 C (for next 5 minutes); T est. exchanger -8 C and defrost function isn t activated in the previous 120 minutes; The compressor reduces the frequency to 38 Hz and then work at least for 28 sec. after which the outdoor fan is turned off. After another 2 sec. also 4-ways valve is disabled, so the compressor increases the frequency to the limit of 60 Hz. The defrost ends when the T ext. heat-exchanger 12 C or 10 minutes after it. In particular the end of the defrosting expects to decrease the frequency to 38 Hz followed by a stage at a constant frequency of 28 sec. Finally 2 sec. to enable 4-way valve and further 5 sec. before that frequency starts to increase. 4.4 Dehumidify only mode: When used in this mode, the air conditioner only eliminates the humidity in the room. In this mode, both T room and fan speed settings are ignored, which correspond to minimum. After setting the desired temperature, T room is constantly monitored by software and it is compared with T set. Depending on the difference between these two temperature, compressor is turned ON/OFF in according to values described below: T room - T set <-2 C compressor OFF; T room T set > 1 C compressor ON; The compressor (ON) switches one stage to the max frequency for 6 min. and one at a minimum for 10 min. 4.5 Fan mode: In this mode the air conditioner does not perform any action with regard to temperature and air humidity in the room. At this stage you can select the fan speed and air sweep. All other outputs are switched off and only DIRTY FILTER alarm (FS) is enabled.

4.6 ECO key: Energy saving function is activated through this button (T2) and the switching on of the ECO icon remote control on the display, which automatically optimizes machine running. These savings are guaranteed by imposing a current limit (3.8 A) lower than expected for the IPM module (including accessories), so varying in proportion to the frequency of the compressor. 4.7 Night well-being mode: This mode can be selected from the remote control by acting on the relative key and can only be used in conjunction with cooling and heating mode. In cooling mode, when the night mode is enabled, both the internal and external fans are forced to run at minimum speed and the T set is automatically increased by 1 C after 1 hour and by a further 1 C after 2 hours. In heating mode when the night mode is enabled, the internal fan is forced to minimum speed, external fan is forced to medium speed and the T set is automatically decreased by 1 C after 1 hour and by a further 1 C after 2 hours. The night well-being mode button may be disabled at any time (ideally when you wake up in the morning) by pressing button T3 again; at this stage the temperature and fan speed settings made prior to starting Night wellbeing comes back into effect. 4.8 AUTORESTART: In case of black-out from standby mode, when the AC power comes back, the compressor activation is immediately allowed. In case of black-out during fan/heating/cooling/dehumidify mode, when the AC power comes back, the compressor activation delayed is 3 minutes.

5. FREQUENCY RESTRICTION When there s no alarm activated, IPM red led blinks 1s ON and 5s OFF (if compressor running) or it is always OFF (if compressor is not running). This led is not collocated on the display but it s situated on the IPM module, near the sensors. Otherwise, when the compressor is not working properly can view the following reports: SIGNAL DESCRIPTION RED LED T discharge too high 5 T external heat-exchanger too high 3 T internal heat-exchanger too high 3 T internal heat-exchanger too low 6 5.1 Protection against compressor discharge temperature too high: The problem is indicated by the sequence of 5 blinks of red light of IPM. Specifically, given as a limit value of temperature 95 C is that: T discharge 87 C there s no frequency limitation; 88 C < T discharge < 92 C the rate of frequency grow is limited; 93 C T discharge 95 C the frequency stops growing; T discharge > 96 C the frequency starts going down; In case of the compressor is running and T dischar ge overtakes the limit, the compressor frequency is reduced to the minimum (compressor frequency reduction). The compressor frequency reduction starts 2 minutes after that the limit was overtaken. In case of air-conditioner is turned on with T discharge on the limit, compressor starts to work. The frequency is limited to the first compressor frequency target calculated by IPM MCU. Otherwise, it T discharge is over the limit, frequency grows to the first compressor frequency target calculated by IPM MCU and, then, it reduces to minimum. 5.1 Protection against external heat-exchanger temperature too high: When the protection is activated the IPM red led blinks 3 times; the limit reference in this case is 65 C and the frequency restriction are: T ext. eat-exchanger 57 C there s no frequency limitation; 58 C < T ext. heat-exchanger < 62 C the rate of frequency grow is limited; 63 C T ext. heat-exchanger 65 C the frequency stops growing; T ext. heat-exchanger > 66 C the frequency starts going down; 5.2 Protection against internal heat-exchanger temperature too high: Also for the reporting of the internal exchanger temperature too high the IPM red led blinks 3 times. Limit value is 55 C for which apply the following considerations: T int. heat-exchanger 47 C there s no frequency limitation; 48 C < T int. heat-exchanger < 52 C the rate of frequency grow is limited; 53 C T int. heat-exchanger 55 C the frequency stops growing; T int. heat-exchanger > 56 C the frequency starts going down;

5.3 Protection against internal heat-exchanger temperature too low: This signal is communicated by 6 blinks red LED (HP mode); the temperature limit is 2 C and considerations are: T int. heat-exchanger 7 C there s no frequency limitation; 4 C < T int. heat-exchanger < 6 C the rate of frequency grow is limited; 3 C T int. heat-exchanger 2 C the frequency stops growing; T int. heat-exchanger < 1 C the frequency starts going down; 6. TOP/BOTTOM INSTALLATION CONFIGURATION This unit may be installed either at the bottom of the wall (adjacent to the floor) or at the top (adjacent to the ceiling). The air jet can be modified to optimize air distribution and room well-being by changing the position of the air outlet flap and setting an appropriate temperature correction "T camb." amounted to +3 C (it is not possible to separate two operations). Figure 1 refers to a machine configured for installation near the floor in which air flows upwards. The same configuration may also be used to install the unit near the ceiling with the cooling function. This permits to increase the air flow inside the room (Coanda effect). Figure 2 refers to a machine configured for installation near the ceiling in which air flows downwards. After having carried out the mechanical operations to change the air outlet flap, configure the machine's control electronics follows these points: - connect the power supply line; - ensure the machine is in standby; - hold down the micro-button (H) until an audible signal starts ringing; - CEILING CONFIGURATION: press the micro-button (H) to select yellow LED C; - FLOOR CONFIGURATION: press the micro-button ( H) to select green LED D; - release the micro-button; - wait a few seconds until the standby configuration is restored ;

7. RATING MODE In cooling mode should be set by remote control, the speed of the fan and internal temperature of 18 C; then press for 6 times the button on the remote night (T3). After 2 consecutive beeps the compressor will start to operate at a frequency of 43 Hz. Will be activated so that the two fans work at full speed. To end the procedure, press standby button or automatically cease after 5 hours from setting. The same goes for the heating mode, the only difference is to set a temperature of 30 C corresponding to an operating frequency compressor 50Hz. 8. DIAGNOSTIC ALARMS All alarms are reported in table. They reset automatically after 3 minutes after the alert or, alternatively, you can turn off the machine and wait just 30 seconds. ONLY for IPM alarms, if they are activated more than 4 times by 15 minutes, the rehabilitation automatic function is turned off. Both types of alarm functions do not require as selfdiagnosis because are displayed in real time. DIAGNOSTIC ALARMS CONTROL MODULE (blinking on display) Tripping threshold LED D (green) LED C (yellow) T room sensor fault (open/short circuit) 0 1 T int. heat-exchanger sensor fault (open/short circuit) 0 2 Internal heat-exchanger temperature too -2 C / 7 C 0 3 low (LT) Internal heat-exchanger temperature too 65 C / 42 C 0 4 high (HTI) IDU IPM comunication error - 0 5 IDU AC fan motor no speed feedback - 0 8 Condensate tank MAX LEVEL alarm(of) 1 1 EEprom reading error - 1 2 LED B (green) LED A (red) DIAGNOSTIC ALARMS IPM MODULE (blinking on display) Tripping threshold LED D (green) LED C (yellow) LED B (green) T ext. sensor fault (open/short circuit) 0 1 T ext. heat-exchanger sensor fault (open/short circuit) 0 2 T discharge sensor fault (open/short circuit) 0 3 DC compressor feedback - 0 4 Outdoor unit comunication error - 0 5 Over current - 0 6 Compressor output No load - 0 7 Over/under DC voltage 380V DC/240V DC 0 8 DC compressor start failure - 0 9 External heat-exchanger temperature too 70 C / 60 C 1 0 high(hte) IPM protection - 1 2 EEPROM reading error - 1 3 EEPROM writing error - 1 4 Discharge temperature too high 110 C/-- 1 7 AC zero crossing detection fault - 2 4 LED A (red)

8.1 External heat-exchanger temperature too high (HTE): The alarm occurs when the internal heat-exchanger temperature grows more than 70 C. The HTI alarm is cancelled when the internal heat-exchanger temperature reduces below than 60 C. Possible causes are: - Presence of obstructions near the inlet and outlet pipes; - Obstructions inside the machine; - Excessive dirt accumulated on the outdoor heat-exchanger; - Malfunction ODU fan - High external air temperature 8.2 Condensate max level alarm (OF): In case of condensate max level switch opens continuously for at least 1minute, the air-conditioner stops working (all the outputs are switched off, air-sweep and air-inlet closes). The state of alarm appears on the display. The alarm is disabled in fan mode or standby mode. The causes that may have caused the alarm activation are: - Lock or break the condensate pump; - Malfunction of the float activate pump; - Burning of the power transformer pump; 8.3 Internal heat exchanger temperature too low (LT): The LT alarm occurs when the compressor is running, and the internal heat exchanger temperature is below -2 C for more than 5 minutes, continuously. The alarm is cancelled when the internal heat-exchanger temperature grows beyond 7 C. The causes that may have caused the alarm activation are: - Presence of obstructions near the inlet and outlet pipes; - Obstructions inside the machine; - Excessive dirt accumulated on the indoor heat exchanger; - Malfunction IDU fan - Low external air temperature 8.4 Internal heat exchanger temperature too high (HTI): The HTI alarm occurs when the internal heat-exchanger temperature grows more than 65 C and it is cancelled when the internal heat-exchanger temperature reduces below than 42 C. The causes may be: - internal air filter clogged. - Internal heat-exchanger dirty - Indoor air fan blocked or slowed. - Suction screen clogged. - Outside air temperature is too high. The air conditioner can t operate in heating with temperatures above 25 C. - Indoor air temperature too high due to excessive layers in the room where the machine is installed. 8.5 Discharge temperature too high The maximum threshold beyond which the alarm is activated is 110 C but there isn t a lower limit temperature threshold for the automatic disabling of the alarm. 9. MANAGEMENT AND CONDENSATE DRAIN The drain pump is activated only when the compressor is ON and micro-switch (pump running) closed. A second switch operated by another float (high water), it shall stop the machine if it remains open for more than 60 seconds. If the contacts remain closed for more than a minute in fact, the shutter is powered (230 V) and discharge water to a maximum interval of 3 minutes or until the switches are not open. The shutter is normally scheduled to be closed in the state of standstill. In the heating mode (pump OFF) card provides voltage electronic shutter to allow the discharge of water from the external heat-exchanger.

10. SCHEMATIC

9.1 Control board side:

9.2 IPM board side:

11. OHMICH VALUES COMPRESSOR DISCHARGE SENSOR

12. OHMICH LVALUES HEAT-EXCHANGER AND AIR SENSOR

13. ACCESSORIES Currently there aren t accessories except those supplied with the machine.