User manual LG LMNC246D3M0

[. . . ] In this time, choke the refrigerant slightly by operating valve of the bomb to charge liquid refrigerant. The liquid refrigerant may be charged suddenly, therefore be sure to charge refrigerant gradually. When refrigerant leaks and refrigerant shortage occurs in the system, recover the refrigerant in the system and recharge refrigerant newly up to the correct level. Table 1 Table 2 Height difference between indoor units H2 30 m g h Indoor unit i j Liquid pipe dia. 6. 4 9. 5 12. 7 15. 9 19. 1 22. 2 (mm) Additional refrigerant amount/1m 0. 025 0. 055 0. 105 0. 160 0. 250 0. 350 quid pipe (kg/m) Combined HP (HP) 5 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 5 6 8 10 12 8 8 10 10 12 8 12 8 10 10 10 12 8 12 10 12 10 10 10 12 12 12 12 Combined outdoor units (HP) 6 8 8 10 10 8 12 8 8 10 10 10 8 12 8 12 10 10 10 10 12 12 12 6 8 8 8 10 10 8 10 8 12 8 10 10 10 10 12 12 8 8 8 8 10 10 10 10 12 C (Corrective amout ofrefrigernt) (kg) 0. 0 0. 0 1. 5 2. 5 3. 5 0. 0 0. 0 0. 0 3. 0 5. 0 0. 0 7. 0 4. 0 4. 0 2. 0 0. 0 1. 0 6. 0 3. 0 6. 0 4. 0 6. 0 6. 0 5. 0 4. 0 2. 0 0. 0 2. 0 4 units Max. [. . . ] No. Method CL Section A CODE No. UNIT No. R. C. No. + buttons simultaneously for 4 seconds or more. (Operation while the air conditioner stops) + buttons simultaneously for 4 Using buttons, set to item code. The display in Section A in the following figure is counted Push the timer time seconds or more. Firstly, the line 1, item code Using (Address Change) is displayed. UNIT SET CL with interval of 5 seconds as UNIT SET CL UNIT + buttons, select the line address. Cancel of line selection !Here, if the unit No is not called up, the outdoor unit in this line does not exist. Push CL button, and then select a line according to procedure . When the count arrives *However, counting from ! When status. , the error is cleared. is repeated on the display. ! Operation procedure button is pushed, the status returns to the normal [Error clearing in indoor unit] Error in the indoor unit is cleared by button on the remote controller. (Only error of the indoor unit connected with operating remote controller is cleared. ) The status returns to the normal status. ! 21 Continued Table: Function selecting item numbers (DN) (Items necessary to perform the applied control at the local site are described. ) DN 01 CODE No. 22 Applied control Procedure Execute the setup operation while the unit stops. Item Filter sign lighting time 0000 : None 0002 : 2500H 0004 : 10000H Description 0001 : 150H 0003 : 5000H At shipment According to type Push SET , CL , and buttons simultaneously for 4 SET DATA seconds or more. indicates the header indoor unit address in the group control. In this time, the fan of the selected indoor unit is turned on. Every pushing UNIT UNIT No. 02 R. C. No. Dirty state of filter 0000 : Standard 0001 : High degree of dirt (Half of standard time) 0000 : Standard 03 Central control address 0001 : No. 1 unit 0099 : Unfixed 0000 : No priority to 0064 : No. 64 unit 0099 : Unfixed 04 Specific indoor unit priority 0001 : Priority 0000 : No priority button, the indoor unit numbers 06 Heating temp shift 0000 : No shift 0002 : +2C to 0001 : +1C 0010 : +10C (Up to +6 recommended) 0002 : +2C (Floor type 0000: 0C) in the group control are successively displayed. In this time, the fan of the selected indoor unit only is turned on. $ SET CL UNIT ! 0d Existence of automatic cool/heat mode 0000 : Provided 0001 : Not provided (Automatic selection from connected outdoor unit) 0001 : Not provided !board 7-segment display[A] 7-segment display[B] Section A Section B [] [] Section A: Displays the corresponding indoor address. Section B: Displays [ 11] for 5 seconds from operation-ON. [Setup] Section A Section B Push SW05 for 2 seconds or more set [] [] SW01 16 and set SW02 and SW03 Section A: to address No. Displays the corresponding [Release] indoor address. Section B: Displays [ 00] for 5 seconds from operation-OFF. [Setup] Section A Section B Push SW04 for 10 seconds or more [] [] set SW01 16 and set SW02 and Section A: SW03 to address No. (1 to 64) to be Displays the corresponding operated. Section B: FF] for 5 seconds Displays [ from test operation-ON. Displays refrigerant name. A B Model with refrigerant R410A r4 10A Model with refrigerant R407C r4 07C System capacity A [ 5] to [48] :5 to 48HP B [HP] No. of outdoor units A [ 1] to [ 4] :1 to 4 units B [ P] No. of connected indoor units/ A [ 0] to [48] : 0 to 48 units (No. [. . . ] <In case of trouble on the cycle parts system (Pressure sensor, temperature sensor, refrigerat circuit parts, fan system parts)> Remove the communication (Refrigerant circuit) connector [CN03] between outdoor units on the interface P. C. board. Setup for outdoor unit with trouble 4. Remove communication connector [CN03] on the interface P. C. board only when a trouble occurred on the refrigerant circuit parts system. [. . . ]