MULTI INVERTER SERIE H6M

Transcription

1 ULTI INVERTER SERIE H6 Service manual Thank you very much for purchasing our products. Please read this manual carefully before installing and using the unit. L25 to L257 English

2 TENTS 1. General information of Indoor Units Features Dimensions.... Service Space (unit: mm) Wiring diagram Static Pressure (Duct) Operation temperature range Electronic function Abbreviation Icon explanation on indoor display board ain Protection Operation odes and Functions Troubleshooting... 1 The specifications, designs, and information in this book are subject to change without notice for product improvement.

3 1. General information of Indoor Units Four-way cassette (compact) A5 Duct Four-way cassette (compact) USR-12-H6 USR-1-H6 A5 Duct UR-12-H6 UR-1-H6 UR-1-H6(V2) 1

4 2. Features 2.1 Four-way cassette type(compact) ⑴ New panel 36 surrounding air outlet design, affords comfortable feeling ⑵ ompact design The body size is mm, it s just smaller than the ceiling board, so it s very easy for installation and will not damage the decoration. The panel size is mm. The hooks are designed in the four corners of the body, which can save installation space. ⑶ Electric control box built-in design The E-box is simply and safely built inside the indoor unit. It s convenient for installation and maintenance. an check the control part easily, you only need to open the air return grille. 2

5 ⑷ Fresh air intake function: Fresh air fulfills air quality more healthy and comfortable. Fresh Air Dimension:Φ75mm ⑸ Air passage function Reserves the space for air outlet from the side of indoor unit; It s availed to connect air duct from the two sides to the nearby small rooms. 3

6 2.2 A5 Duct ⑴ Installation accessories: (Optional) Front Board, anvas Air Passage, Filter, Panel, for easy installation Front Board Filter Panel ⑵ Easy Installation: Two air inlet styles (Bottom side or Rear side) Air inlet from rear is standard for all capacity; air inlet from bottom is optional. The size of air inlet frame from rear and bottom is same, it s very easy to move the cover from bottom to rear side, or from rear to the bottom, in order to matching the installation condition. Air intake from rear (Standard) Air intake from bottom (Optional) ⑶ Fresh air intake function Install one duct from the reserved fresh-air intake to outdoor. ontinually inhale the fresh air to improve the quality of the indoor air, fulfills air quality more healthy and comfortable.

7 ⑷ Easy maintenance lean the filter (Optional, standard product without filter) It is easy to draw out the filter from the indoor unit for cleaning, even the filter is installed in rear side or bottom side. Replace the motor or centrifugal fan Remove the ventilated panel firstly. Remove a half of blower housing and take out the motor with centrifugal fan. Directly remove two bolts, and then replace the motor or centrifugal fan easily. otor Blower Housing Ventilated Panel 5

8 ⑸ Reserved remote on-off and central control ports Reserved remote on-off ports and central control ports, can connect the cable of an on-off controller or a central controller to realize remote on-off control function or group control function. Remote on-off ports entral control ports ⑹ Built-in drain pump (Optional): Built-in drain pump can lift the water to 75mm upmost. It s convenient to install drainage piping under most space condition. 75mm upmost 6

9 ⑺ Built-in display board The standard indoor unit can be controlled by wired controller. There is a display board with a receiver in the E-box. ove out the display, and fix it in other place, even in the distance of 1m. The unit will realized remoter control. The wired controller and the display board can display the error code or production code when the chips detect some failure. Wired ontroller (Standard) Remote ontroller (Optional) Display 7

10 3. Dimensions 3.1 Four-way cassette type (compact): Liquid side Gas side Body Drain hole ( for Service ) -install hanger 2-15 Distribution duct E-parts box -Screw hole (for install panel) Fresh air intake 32 Drain pipe 75 Wiring connection port Panel

11 3.2 A5 Duct Note: standard product without filter Unit: mm odel Outline dimension(mm) Air outlet opening size Air return opening size Size of install hanger Size of refrigerant pipe A B D E F G H I J K L H1 H2 W1 W2 7/9/

12 . Service Space (unit: mm).1 Four-way cassette (compact).2 A5 Duct Ensure enough space required for installation and maintenance. All the indoor units reserve the hole to joint the fresh air pipe. The hole size as following: 1

13 5. Wiring diagram USR-12-H6 FUNTI OF SWITH SWITH FOR UNIT ADDRESS S2 + S1 ADDRESS Factory Setting S2 + S1 ADDRESS Factory Setting SW3 SW6 STATE STATE SWITH SWITH FOR TEP.OPENSATI ~15 32~7 FOR AUTO-RESTART SETTING ODE REEBER NO_REEBER Factory Setting VALUE 6 2 E function Factory Setting SW1 2 Factory setting 15 Anti-cold air FAN OTOR STOP-TE According to the EEPRO setting 16~31 ~63 EN1 SWITH (FOR POWER) NUBER POWER W-53W(2.HP) 5 5W-71W(2.5HP) 6 / SW2 7 9 SWITH STATE ODE A Factory Setting 75W-9W (3.2HP) 91W-15W(.HP) 12W-1W(5.HP) 15W-16W(6.HP) FOR FAN OTER TROL THEN NO POWER REQUEST. FAN OFF Reactor FOR SETTING WIRETROL ADDRESS ADSS ODE NETADDRESS FATORY SETTING ~F ~15 FAN RED RED Inner Driver D otor SW5 STATE ODE XS2 XP2 TO SWING BOARD SWITH Factory Setting 3 N1 Outer Driver D otor Remote ontrol Alarm Output AIN NO SLAVE N3 D OTOR DRIVER ODLE FOR AIN-SLAVE SETTING AIN N13 AIN XS2 XP2 TO GO-UP-AND -DOWN BOARD 5 JR6 SLAVE AGNETI RING 5 - OFF ALAR N23 JR6 N33 N16 N15 N66 N3 N55 E Y X To omm.bus N13 N1(N1A) INDOOR UNIT AINBOARD AGNETI RING HA/HB RED(BROWN) N1 1 N6 N2 Q E P N5 P1 S2 S1 N1 P To OUTDOOR omm.bus L BLUE(BLAK) N AGNETI RING 2 XS9 XS1 PUP DISPLAY BOARD XP9 XP1 SWING OTOR TO WIRE TROLLER T2 BLAK IDDLE PIPE TEP. L WHITE TO WIRE TROLLER 5 T1 ROO TEP. WATER LEVEL SWITH N TO OUTDOOR UNIT FOR OUTDOOR POWER SUPPLY SWING OTOR L N POWER USR-1-H6 FUNTI OF SWITH SWITH S2 + S1 ADDRESS Factory Setting S2 + S1 ADDRESS Factory Setting SW3 SWITH FOR AUTO-RESTART SETTING STATE ODE REEBER NO_REEBER SW6 SWITH FOR TEP.OPENSATI STATE FOR UNIT ADDRESS ~15 Factory Setting 32~7 VALUE Factory Setting 6 2 E function 16~31 ~63 SW1 SW2 SWITH STATE SW5 SWITH FOR ODE-PRIOR SETTING STATE ODE HEAT FOR FAN OTER TROL THEN NO POWER REQUEST. ODE FAN OFF FAN Factory Setting Factory Setting Anti-cold air FAN OTOR STOP-TE 2 Factory setting 15 According to the EEPRO setting Outer Driver D otor HEAT OOL OOL Inner Driver D otor 3 agnet Ring 5 N3 N13 D OTOR DRIVER ODLE TO WIRE TROLLER P5 N15 DISPLAY BOARD 1 5 N1A Alarm Output ALAR N33 Remote ontrol - OFF N23 JR6 INDOOR UNIT 2 N13 AINBOARD PUP 2 N5 N3 HA/HB WATER LEVEL SWITH E Y X TO WIRE TROLLER To omm.bus RED(BROWN) N1 L BLUE(BLAK) JR6 N11 YELLOW N S W 1(L) 2(N) S RED OUTDOOR UNIT P N16 N6 P1 N1 FOR SETTING WIRETROL ADDRESS Reactor ADSS ODE NETADDRESS FATORY SETTING RED BLAK WHITE XS9 RED ~F ~15 T2 T1 ROO TEP. XP9 G NOTIE : Please short circuit the terminal ' W ' and ' 1(L) ' in the outdoor unit wiring joint if the outdoor unit has a ' W ' terminal. 11

14 UR-12-H6 WIRING DIAGRA (INDOOR UNIT) FOR SETTING FAN OTOR TROL THEN NO POWER REQUEST SW2 FOR TEP. OPENSATI(HEATING) SW6 ODE FATORY SETTING SW1 ODE 6 2 According FATORY to SETTING E Function FOR SETTING NETADDRESS S1+S2 ODE NETADDRESS FATORY SETTING TEL 2 15 FATORY SETTING FOR ANTI-OLD WIND 1 FAN OFF 1 FAN FOR SETTING STATI PRESSURE EN2 ODE ODEL ODEL 12 (K Btu/h) 12<ODEL 2 2<ODEL 6 FATORY SETTING 1623A199 According to E Function. Inner Driver D otor Outer Driver D otor D OTOR DRIVER ODLE ~F ~F ~F ~F ~15 16~31 32~7 ~63 3 N3 (Pa) 1(Pa) 2(Pa) 3(Pa) (Pa) 1(Pa) 25(Pa) (Pa) 55(Pa) 7(Pa) 2(Pa) 35(Pa) 5(Pa) 65(Pa) (Pa) N13 FOR SETTING AUTO-RESTART SW3 AUTO-RESTART FATORY SETTING SW5 ODE FATORY SETTING 1 ATIVE 1 HEATING PRIORITY 5 1 INATIVE 1 5 OOLING PRIORITY STATI PRESSURE RANGE(Pa) -5(Pa) -1(Pa) -1(Pa) N15 INDOOR UNIT AINBOARD N23 /OFF Remote ontrol To NOTE: omm.bus This symbol indicates the element is optional, the actual shape shall prevail. X Y E N9 N33 ALAR Alarm Output N1 RED N2 BLAK N13 N1 YELLOW L(L1) N(L2) S N3 N26 N N1 N1(N1A) N 1 N6 N5 L(L1) N(L2) S RED RED T2 BLAK IDDLE PIPE TEP. WHITE TO OUTDOOR UNIT FOR OUTDOOR POWER SUPPLY VERT ODULE BOARD N2 Reactor DISPLAY BOARD EN1 ODE NETADDRESS FATORY SETTING 5 WATER LEVEL SWITH L(L1) N(L2) S HB HA N FOR SETTING NETADDRESS ~F ~15 2 PUP TO WIRE TROLLER T1 ROO TEP. TO OUTDOOR UNIT FOR INDOOR POWER SUPPLY WIRE TROLLER POWER UR-1-H6 WIRING DIAGRA(INDOOR UNIT) 1623A2396 POWER SETTING : EN1 ODEL 2 FATORY SETTING FOR TEP. OPENSATI 26 32/35 53 AORDING TO RELATED ODEL. FAN 5 3 BROWN BLAK WHITE WHITE N P2 P3 (No Use) WHITE AP WHITE INDOOR UNIT AINBOARD N VERT ODULE BOARD N HB N2 HA FOR SETTING NETADDRESS EN1 ODE NETADDRESS FATORY SETTING ~F ~15 WIRE TROLLER SW6 ODE 6 2 According FATORY to SETTING E Function FOR ANTI-OLD WIND To omm.bus E Y X N9 Duct Type N13 N N1 N11 L NEWFAN 2 PUP SW1 S1+S2 ODE NETADDRESS FATORY SETTING TE TE TE3 2 2 TE 15 2 TE TE FATORY SETTING FOR SETTING NETADDRESS Fan motor do not stop. According to E Function FOR SETTING AUTO-RESTART SW3 AUTO-RESTART FATORY SETTING ~F ~F ~F ~F ~15 16~31 32~7 ~63 1 ATIVE INATIVE 1 N23 /OFF Remote ontrol N33 ALAR Alarm Output N1 RED N2 BLAK L(L1) N(L2) S N1(N1A) N1 YELLOW N3 N26 1 N6 N5 L(L1) N(L2) S DISPLAY BOARD TO WIRE TROLLER T2 BLAK IDDLE PIPE TEP. WHITE TO OUTDOOR UNIT FOR OUTDOOR POWER SUPPLY WATER LEVEL SWITH L(L1) N(L2) S T1 ROO TEP. TO OUTDOOR UNIT FOR INDOOR POWER SUPPLY POWER 12

15 UR-1-H6(V2) FOR SETTING FAN OTOR TROL THEN NO POWER REQUEST SW2 FOR ANTI-OLD WIND SW1 FOR TEP. OPENSATI(HEATING) SW6 ODE 6 2 According FATORY to SETTING E Function FOR SETTING NETADDRESS S1+S2 ODE NETADDRESS TEL 2 15 FATORY SETTING 1 FOR SETTING STATI PRESSURE EN2 ODE ODEL ODEL 12 (K Btu/h) 12<ODEL 2 2<ODEL 6 FATORY SETTING 1 According to E Function. Inner Driver D otor ~F ~F ~F ~F ~15 16~31 32~7 ~63 Outer Driver D otor (Pa) 1(Pa) 2(Pa) 3(Pa) 1(Pa) 25(Pa) (Pa) 55(Pa) 2(Pa) 35(Pa) 5(Pa) 65(Pa) 3 N3 D OTOR DRIVER ODLE (Pa) 7(Pa) (Pa) N13 FOR SETTING AUTO-RESTART SW3 SW5 ODE 1 1 HEATING PRIORITY OOLING PRIORITY STATI PRESSURE RANGE(Pa) -5(Pa) -1(Pa) -1(Pa) N15 INDOOR UNIT AINBOARD N23 /OFF Remote ontrol N33 ALAR Alarm Output RED To omm.bus X Y E N9 N13 N1 RED BLAK N2 N N1 N1(N1A) YELLOW N1 N3 N26 N 1 N6 N5 is optional, VERT ODULE BOARD N HB N2 HA RED RED FOR SETTING NETADDRESS Reactor DISPLAY BOARD EN1 ODE NETADDRESS FATORY SETTING T2 BLAK IDDLE PIPE TEP. WHITE 5 ~F ~15 WATER LEVEL SWITH 2 PUP TO WIRE TROLLER T1 ROO TEP. WIRING DIAGRA (INDOOR UNIT) WIRE TROLLER NOTE: This symbol indicates the element is optional, the actual shape shall prevail. 13

16 6. Static Pressure (Duct) UR-12-H6 1

17 UR-1-H6 15

18 UR-1-H6(V2) 16

19 7. Operation temperature range Temperature ode ooling operation Heating operation Drying operation Room temperature 17º~32º º~3º 17º~32º -15º~5º Outdoor temperature -15º~2º º~5º AUTI: 1. If the air conditioner is used beyond the above conditions, certain safety protection features may come into operation and cause the unit to operate abnormally. 2. The room relative humidity should be less than %. If the air conditioner operates beyond this figure, the surface of the air conditioner may attract condensation. Please set the vertical air flow louver to its maximum angle (vertically to the floor), and set HIGH fan mode. 3. The optimum performance will be achieved during this operating temperature zone. 17

20 . Electronic function.1 Abbreviation T1: Indoor room temperature T2: Indoor evaporator temperature T2B: oil temperature of indoor heat exchanger outlet(this sensor is located in outdoor unit) T3: oil temperature of outdoor heat exchanger T: Outdoor ambient temperature T5: ompressor discharge temperature Ts: Setting temperature.2 Icon explanation on indoor display board.2.1 Four-way cassette (compact).2.2 A5 Duct Timer indicator Operation lamp Temporary button PRE- indicator(cooling and heating type) or fan only indicator(cooling only type) Alarm indicator Infrared signal receiver Display digital tube ANUAL OPERATI TIER./FAN ALAR 1

21 .3 ain Protection.3.1 Three minutes delay at restart for compressor..3.2 Sensor protection at open circuit and breaking disconnection..3.3 Indoor fan delayed open function ----When system starts up, the louver will be active immediately, and the indoor fan will open after certain time. ----If the system runs in heating mode, the anti-cold wind function has priority..3. Fan speed is out of control (For the units used D fan motor) For console: When indoor fan speed keeps too low (3RP) for certain time, the unit will stop and the LED will display the failure. For other models: When indoor fan speed keeps too low (lower than 3 RP) for 5s, the indoor fan will shut off and restart 3s later, if protection happened 3 times when fan motor restart continuously, the unit will stop and the LED will display the failure..3.5 Inverter module protection The Inverter module has a protection function about current, voltage and temperature. If these protections happen, the corresponding code will display on indoor unit and the unit will stop working..operation odes and Functions..1 Fan-only mode (1) Outdoor fan and compressor stop. (2) For onsole: Indoor fan can be set to high/med/low/breeze, for other models: Indoor fan can be set to high/med/low/auto. (3) The louver operates same as in cooling mode. () Auto fan in fan-only mode acts as follow: For UR-1-H6: T1 High edium Low 19

22 For other models: T1-2 a b c d e H (H-L)*.75+L (H-L)*.5+L (H-L)*.25+L L..2 ooling mode..2.1 Outdoor fan running rules T A+ A B D E F G H I While A,B, means different fan speed of outdoor unit Indoor fan running rules For UR-1-H6: Indoor fan keeps running, fan speed can be set in high/mid/low/ Auto by using a remote controller: Auto fan in cooling mode acts as follow: 2

23 High edium Low For other models: In cooling mode, indoor fan runs all the time and the speed can be selected as high, medium, low and auto. When the compressor is running, the indoor fan is controlled as below: Setting fan speed H L T1-Td ( F) A B D E F G H I Actual fan speed H+(H+=H+G) H(=H) H-(H-=H-G) +(+=+Z) (=) -(-=-Z) L+(L+=L+D) L(L=L) L-(L-=L-D) The auto fan acts as below rules: T1-Td a b c d e H (H-L)*.75+L (H-L)*.5+L (H-L)*.25+L L..2.3 Evaporator low temperature T2 protection For UR-1-H6: When T2<º, the indoor has no capacity demand and resume till T2>º For other models: When T2<º for 25s or T2<º, the indoor has no capacity demand and resume till T2>º 21

24 ..3 Dry mode..3.1 Indoor fan speed is fixed at breeze and can t be changed. The louver angle is the same as in cooling mode Low indoor room temperature protection In drying mode, if room temperature is lower than 1º, the indoor fan will stop and not resume until room temperature exceeds 12º Evaporator anti-freezing protection and condenser high temperature protection are active and the same as that in cooling mode...3. The outdoor fan operates the same as in cooling mode... Heating mode...1 Outdoor fan running rules T E D B A A+...2 Indoor fan running rules For UR-1-H6: Indoor Fan can be set at HIGH/ED/LOW/AUTO by using a remote controller, but Anti-cold wind function prevails. Auto wind in heating mode T1-Ts Low edium High For other models: In heating mode, indoor fan can be selected as high, medium, low and auto. The anti-cold- wind function has the priority. 22

25 When the compressor is running, the indoor fan is controlled as below: Setting fan speed H T1-Td Actual fan speed H-(H-=H-G) H(=H) H+(H+=H+G) -(-=-Z) (=) +(+=+Z) L L-(L-=L-D) L(L=L) L+(L+=L+D) - If the compressor stops caused by the room temperature rising, the indoor fan will be forced to run 127 seconds with breeze. During this period, the anti-cold-wind is disabled. Auto fan action in heating mode: T1-Td L (H+-L)*.2+L (H+-L)*.+L (H+-L)*.6+L (H+-L)*.6+L (H+-L)*.+L H+...3 High evaporator coil temp.t2 protection: If T2>63º, the indoor unit has no capacity demand and resume till º.... Prevent Over-Heating In heating mode, when the indoor unit has no capacity requirement due to indoor room temperature increased, the Indoor fan will run in super breeze. (Anti-cold wind function has the priority)...5 Defrosting mode: ondition of defrosting: A will enter the defrosting mode according to the value of temp. of T3 and the value range of temp. change of T3 and also the compressor running time. ondition of ending defrosting: If any one of the following items is satisfied, the defrosting will finish and the machine will turn to normal heating mode. ----T3 rises to be higher than TDE1º. ----T3 keeps to be higher than TDE2º for seconds. ----The machine has run for 1 minutes in defrosting mode. 23

26 Defrosting action: -Way valve ompressor no longer than 1min ool-f9 Indoor fan 1S 3S TimeA 1S Anti cold wind Outdoor fan PV P PV running mins with P..5 Auto-mode This mode can be chosen by remote controller and the setting temperature can be changed between 17~3º. In auto mode, the machine will choose cooling, heating or fan-only mode according to the difference between T1 and TS. For UR-1-H6: T1-TS Running mode For other models: T1-TS>1º ooling -1< T1-TS 1º Fan-only T1-TS -1º Heating T1-TS Running mode T1-TS>2º ooling -2< T1-TS 2º Fan-only T1-TS -2º Heating Indoor fan will run at auto fan of the relevant mode. The louver operates same as in relevant mode. If the machine switches mode between heating and cooling, the compressor will keep stopping for 15 minutes and then choose mode according to T1-Ts. If the setting temperature is modified, the machine will choose running function again. 2

27 ..6 Forced operation function..6.1 Enter forced operation function: Press the touch button continually, the A will run as below sequence: Forced auto Forced cooling Off When the machine is off, pressing the touch button will carry the machine to forced auto mode, after this, if pressing the button once again, the machine will turn into forced cooling mode. In forced cooling mode, pressing touch button will turn off the machine In forced operation mode, all general protections and remote control are available Operation rules: Forced cooling mode: The compressor runs at F2 frequency and indoor fan runs as breeze. After running for 3 minutes. the machine will turn to auto mode as 2º setting temperature. Forced auto mode: The action of forced auto mode is the same as normal auto mode with 2º setting temperature...6. When there s indoor unit running in forced cooling, it is the master forced cooling unit. Other indoor units will run at forced cooling mode too and they will be the slave forced cooling units. The slave forced cooling units can not quit forced cooling mode until the master forced cooling unit quit, and turn to cooling mode at low speed with 2º setting temperature The slave forced cooling units will not be controlled by other signals...7 Timer Function..7.1 Timing range is 2 hours Timer on. The machine will turn on automatically when reaching the setting time Timer off. The machine will turn off automatically when reaching the setting time...7. Timer on/off. The machine will turn on automatically when reaching the setting on time, and then turn off automatically when reaching the setting off time Timer off/on. The machine will turn off automatically when reaching the setting off time, and then turn on automatically when reaching the setting on time The timer function will not change the A current operation mode. Suppose A is off now, it will not start up firstly after setting the timer off function. And when reaching the setting time, the timer LED will be off and the A running mode has not been changed The setting time is relative time. 25

28 .. Sleep mode...1 The sleep function is available in cooling, heating or auto mode Operation process in sleep mode is as follow. After pressing EOI or SLEEP button on controller, the machine will turn into sleep mode. When cooling, The set temperature rise 1º per hour(be lower than 3º). Two hours later, the set temperature will maintain as a constant and the fan speed is kept at low speed. When heating, The set temperature decrease 1º per hour(be higher than 17º). Two hours later, the set temperature will maintain as a constant and the fan speed is kept at low speed (Anti-cold function takes precedence over all). When auto, After an hour running under economic mode,if it is under cooling mode the set temp will rise 1º, if it is under heating mode the set temp will decrease 1º, if it is under fan-only mode the set temp will be changeless; the condition will be the same after the air conditioner running under economic mode after 2 hours, and during the next time the set temp do not change....3 Operation time in sleep mode is 7 hours. After 7 hours the A quits this mode and the A will turn off.... Timer off and remote controller off signals have the priority compared with sleep function...9 Auto-Restart function The indoor unit is equipped with auto-restart function, which is carried out through an auto-restart module. In case of a sudden power failure, the module memorizes the setting conditions before the power failure. The unit will resume the previous operation setting (not including swing function) automatically after 3 minutes when power returns. If the memorization condition is forced cooling mode, the unit will run in cooling mode for 3 minutes and turn to auto mode as 2º setting temp. If A is off before power off and A is required to start up now, the compressor will have 1 minute delay when power on. Other conditions, the compressor will have 3 minutes delay when restarts...1 Drain pump control (For Duct & assette) Adopt the water-level switch to control the action of drain pump. ain action under different condition :( every 5 seconds the system will check the water level one time) 1. When the A/ operates with cooling (including auto cooling) and forced cooling mode or dry mode, the pump will start running immediately and continuously, till stop cooling or dry or no capacity demand. 2. Once the water level increase and up to the control point, LED will alarm and the drain pump open and continue checking the water level. If the water level falls down below the control point (drain pump delay close 1 minute) and operate with the last mode. Otherwise the entire system stop operating (including the pump) and LED remain alarming after 3 minutes, 26

29 ..11 Follow me (optional) 1) If the indoor PB receives the signal which results from pressing the FOLLOW E button on remote controller, the buzzer will emit a sound and this indicates the follow me function is initiated. But when the indoor PB receives signal which sent from remote controller every 3 minutes, the buzzer will not respond. When the unit is running with follow-me function, the PB will control the unit according to the temperature from follow-me signal, and the temperature collection function of room temperature sensor will be shielded, and the error detective function of room temperature sensor will be still invalid. 2) When the follow-me function is available, the PB will not respond according to the setting temperature from follow-me signal every 3 minutes. 3) The PB will take action to the mode change information from remote controller signal, and the follow-me function will be turned off. (if the wired remote controller does not initiate follow me function). ) When the unit is running with follow-me function, if the PB doesn t receive any signal from remote controller for 7 minutes or pressing FOLLOW E button again, the follow-me function will be turned off automatically, and the temperature collection function of room temperature sensor will be available, the PB will control the unit according to the room temperature detected from its own room temperature sensor and setting temperature. 5) When the indoor PB receives the follow-me signal from wired remote controller, the control is the same as that from wireless remote controller, but buzzer will not emit a sound. When the PB receives turning-off follow-me signal from wired remote controller, the unit will quit follow-me function at once. The follow-me function controlled by wired remote controller prevails that by wireless remote controller...12 ode conflict The indoor units can not work cooling mode and heating at same time. Heating mode has a priority. (1) Definition ooling mode Heating ode Fan Off ooling mode No Yes No No Heating ode Yes No Yes No Fan No Yes No No Off No No No No No: No mode conflict; Yes: ode conflict (2) Unit action In case of one Indoor unit working in cooling mode or fan mode, and another indoor unit is set to heating mode, the indoor unit working in cooling mode or fan mode will change to off. The outdoor unit will change to heating mode after compressor stop 3 minutes.. In case of one Indoor unit working in heating mode, and another indoor unit is set to cooling mode or fan mode, the indoor unit setting to cooling mode or fan mode will change to stand by. The outdoor unit will continue working in heating mode. If heating mode stops (not including the indoor unit in heating mode reaching the set temperature), 3 minutes after the outdoor unit restarts and works in cooling mode or fan-only mode. 27

30 9. Troubleshooting 9.1 Indoor unit error code explanation: alfunction Error ode Timer Lamp Operation Lamp (flashes) Indoor EEPRO malfunction E X 1 ommunication malfunction between indoor and outdoor units E1 X 2 Indoor fan speed has been out of control E3 X Open or short circuit of T1 temperature sensor E X 5 Open or short circuit of T2 temperature sensor E5 X 6 Water level alarm EE X Overcurrent protection (For some units) F O 1 Open or short circuit of T temperature sensor F1 O 2 Open or short circuit of T3 temperature sensor F2 O 3 Open or short circuit of T5 temperature sensor F3 O Outdoor EEPRO malfunction (For some units) F O 5 Outdoor fan speed is out of control F5 O 6 Open or short circuit of T2B temperature sensor (For multi systems) F6 O 7 ommunication error between auto-lifting panel and slim cassette (For slim cassette with auto-lifting panel) F7 O Auto-lifting panel is faulty (For slim cassette with auto-lifting panel) F O 9 Auto-lifting panel is not closed (For slim cassette with auto-lifting panel) F9 O 1 IP module malfunction P 1 Over voltage or over low voltage protection P1 2 Too low ambient temperature protection P3 Error rotor position protection of compressor P 5 ode conflict P5 6 Low pressure protection of compressor P6 7 O (on) X(off) (flash at 2Hz) 2

31 ASK FOR ORE INFORATI Phone: (+3) eail: info@mundoclima.com TEHNIAL ASSISTANE Phone: (+3)