User manual LG LFC20760ST

[. . . ] Therefore, set the T-shape joint so that oil does not enter directly. <Ex. 1> Header unit A Follower unit B Follower unit C Height difference between outdoor units H3 £ 5 m Header unit A Outdoor unit T-Shape branching main piping La Follower unit B LA Lb Lc L1 Main connecting piping between outdoor units Length corresponded to farthest piping between outdoor units LO £ 25 m Branching piping L2 1st branching section Height difference between outdoor and indoor units H1 £ 50 m L3 Connecting piping of indoor unit a g b Branching header L9 <Ex. 2> c FS unit Header unit A OK Follower unit B Follower unit C h i j k <Cooling only> <Cooling only> Indoor unit Equivalent length corresponded to farthest piping L £ 150 m Lj L4 L5 e n p q L6 f L7 FS unit Lh o L8 Equivalent length corresponded to farthest piping after 1st branching Li £ 50 m NO GOOD Height difference between indoor units H2 £ 35 (Upper outdoor unit) Height difference between indoor units in group control by one FS unit H4 £ 0. 5 m FS unit l d m Indoor unit Indoor unit which FS unit control wiring is connected. <Group control> When connecting the plural indoor units to single FS unit. · Allowable length/height difference of the refrigerant pipe Allowable value Total extension of pipe (Liquid pipe/real length) Real length Equivalent length Max. equivalent length of main piping Equivalent length of farthest piping from 1 st branching Li ( 1) Pipe Max. real length of indoor unit connecting piping length Max. [. . . ] · The indoor unit address, which is connected to the refrigerant pipe of the selected outdoor unit is displayed and the fan is turned on. Every pushing button, the indoor unit numbers in the identical pipe are successively displayed. · Only fan of the selected indoor unit operates. UNIT 1 6 3 TIMER SET TIME FILTER RESET TEST SET CL FAN SWING/FIX UNIT MODE VENT [To select another line address] 5 6 Operation procedure 2 4 5 Push CL button to return to procedure 2 ). · The indoor address of another line can be successively confirmed. Push TEST button to finish the procedure. 1®2®3® 4 ® 5 ® 6 End Change of indoor address from remote controller Change of indoor address from wired remote controller · To change the indoor address in individual operation (Wired remote controller : Indoor unit = 1 : 1) or group control (When the setup operation with automatic address has finished, this change is available. ) <Procedure> (Operation while air conditioner stops) 1 2 3 4 5 6 7 8 Push simultaneously SET + CL + TEST buttons for 4 seconds or more. indicates the header unit in group control. ) In group control, select an indoor unit No. (The fan of the selected indoor unit is turned on. ) Using the setup temp. / buttons, set 13 to the item CODE No. SET DATA SETTING UNIT No. R. C. No. Using the timer time / buttons, change the displayed setup data to a data which you want to change. Push SET button. Using the UNIT button, select the unit No. Repeat the procedure 4 to 6 and change the indoor address so that it is not duplicated. After the above change, push changed contents. (When selecting the DN code to "33", change the temperature indication of the unit from "°C" to "°F" on the remote controller. ) Push SET button. (OK if display goes on. ) · To change the selected indoor unit, return to procedure 2 . · To change the item to be set up, return to procedure 3 . Pushing TEST UNIT No. UNIT CODE No. 3 5 6 1 TEMP. ON / OFF TIMER SET TIME FILTER RESET TEST SET CL FAN SWING/FIX UNIT MODE VENT 4 2 button returns the status to normal stop status. TYPE Item code [10] Setup data 0000 0001 0002 0003 0004 0005 0006 0007 0008 0010 0011 0013 Type 1-way Air Discharge Cassette 4-way Air Discharge Cassette 2-way Air Discharge Cassette 1-way Air Discharge Cassette (Compact type) Concealed Duct Standard Slim Duct Concealed Duct High Static Pressure Under Ceiling High Wall Floor Standing Cabinet Floor Standing Concealed Floor Standing -- Abbreviated Model name MMU-AP XXX SH MMU-AP XXX H MMU-AP XXX WH MMU-AP XXX YH MMD-AP XXX BH MMD-AP XXX SPH, SH MMD-AP XXX H MMC-AP XXX H MMK-AP XXX H MML-AP XXX H MML-AP XXX BH MMF-AP XXX H Indoor unit capacity Item code [11] Setup data 0001 0003 0005 0007 0009 0011 0012 0013 0015 0017 0018 0021 0023 Model 007 009 012 015 018 024 027 030 036 048 056 072 096 -- ~ ~ 23 Continued Table: Function selecting item code (DN) (Items necessary to perform the applied control at the local site are described. ) DN 01 Item Filter display delay timer 0000 : None 0002 : 2500H 0004 : 10000H Description 0001 : 150H 0003 : 5000H At shipment According to type 02 03 04 06 0d 0E 0F 10 11 12 13 14 19 1E Dirty state of filter Central control address Specific indoor unit priority Heating temp shift Existence of [AUTO] mode Follows operation mode of the header unit Cooling only Type Indoor unit capacity Line address Indoor unit address Group address Louver type (Adjustment of air direction) Temp difference of [AUTO] mode selection COOL ® HEAT, HEAT ®COOL 0000 : Standard 0001 : High degree of dirt (Half of standard time) 0001 : No. 1 unit 0099 : Unfixed 0000 : No priority 0000 : No shift 0002 : +2°C to to 0064 : No. 64 unit 0001 : Priority 0001 : +1°C 0010 : +10°C (Up to +6 recommended) 0000 : Standard 0099 : Unfixed 0000 : No priority 0002 : +2°C (Floor type 0000: 0°C) 0001 : Not provided 0000 : Not provided 0000 : Heat pump According to model type According to capacity type 0099 : Unfixed 0099 : Unfixed 0099 : Unfixed According to type 0003 : 3 deg (Ts±1. 5) 0000 : None 0000 : Provided 0001 : Not provided (Automatic selection from connected outdoor unit) 0000 : Does not follow 0001 : Follows 0000 : Heat pump 0001 : Cooling only (No display of [AUTO] [HEAT]) 0000 : (1-way air discharge cassette) 0001 : (4-way air discharge cassette) to 0037 0000 : Unfixed 0001 : No. 1 unit 0001 : No. 1 unit to to 0001 to 0034 0030 : No. 30 unit 0064 : No. 64 unit 0001 : Header unit of group 0000 : Individual 0002 : Follower unit of group 0000 : Not provided 0001 : Swing only 0004 : [4-way Air Discharge Cassette type] and [Under Ceiling type] 0000 : 0 deg to 0010 : 10 deg (For setup temperature, reversal of COOL/HEAT by ± (Data value)/2) 0001 : Restart 28 29 2A 2E 30 31 32 33 40 5d Automatic restart of power failure 0000 : None Operation condition of humidifier Selection of option/error input (CN70) HA terminal (CN61) select Automatic elevating grille Ventilating fan control TA sensor selection Temperature unit select Drain pump control High ceiling selection (Air volume selection) 0000 : Usual 0000 : Usual 0001 : Condition ignored (Detection control for heat exchanger temperature) 0000 : Filter input 0002 : None 0000 : Usual 0000 : Unavailable 0000 : Unavailable 0000 : Body TA sensor 0000 : °C (at factory shipment) 0000 : None 0002 : None 0001 : Alarm input (Air washer, etc. ) 0001 : Leaving-ON prevention control 0001 : Available 0001 : Available 0001 : Remote controller sensor 0001 : °F 0001 : Pump ON 0003 : Pump OFF 0002 : None 0000 : Usual (HA terminal) 0000 : Unavailable 0000 : Unavailable 0000 : Body TA sensor 0000 : °C 0003 : Pump OFF 0000 : Standard [4-way Air Discharge Cassette type] and [Under Ceiling type] 0000 : Standard filter 0001 : Super-long life filter 0003 : High efficiency filter [Concealed Duct Standard type] 0000 : Standard static pressure (40Pa) 0001 : High static pressure 1 (70Pa) 0003 : High static pressure 2 (100Pa) 0005 : Correspond to quiet sound 0006 : Low static pressure (20Pa) 60 62 Timer set (Wired remote controller) Anti-ceiling smudging control 0000 : Available (Operable) 0001 : Unavailable (Operation prohibited) 0000 : Clear 0000 : Available 4- way Air Discharge Cassette type only Service Support Function n Function to start/stop (ON/OFF) indoor unit from outdoor unit 24 The following functions enables the start and stop of the indoor units using the switches on the interface P board of . C. 1 Function Outline Setup/Release [Setup] Push SW04 for 2 seconds or more with SW01"2", SW02"5", SW03"1". [Release] Return SW01, SW02, SW03 to "1". [Setup] Push SW04 for 2 seconds or more with SW01"2", SW02"6", SW03"1". [Release] Return SW01, SW02, SW03 to "1". [Setup] Push SW04 for 2 seconds or more with SW01"2", SW02"7", SW03"1". [Release] Return SW01, SW02, SW03 to "1". [Setup] Push SW05 for 2 seconds or more with SW01"2", SW02"7", SW03"1". [. . . ] board of the header outdoor unit, and push the push SW04 for 5 seconds or more after [C. ] [ ] have been displayed on 7-segment display section. The system operates in the test cooling operation after [C. ] [ ­ C] have been displayed on 7-segment display section. [. . . ]