User manual LG LRNN426BGA0

[. . . ] Heating Capacity is based on the following temperature conditions: Indoor air inlet temperature 20°C DB. Outdoor air inlet temperature 7°C DB, 6°C WB. Note 2: -2- 1. A90-9503 for details of Indoor Units and control circuits. Reverse Phase Protector The Scroll Compressor used in this unit can only rotate in one direction. [. . . ] If the red LED on the remote controller does not flash when the system is switched on, then the wiring to the outdoor unit should be checked to ensure that the three phases are wired in the correct sequence. Inner Overload Relay If the Inner Overload Relay operates, the Magnetic Contactor will remain energised, but the compressor will stop. In this event Fault Code "09" will appear on the Remote Controller. Sensor) An additional sensor is fitted to this unit to prevent the compressor from overheating. During abnormal conditions the following fault codes may appear: Fault Code "1E" ­ Indicates a Refrigerant Gas Leak. Fault Code "19" ­ Indicates T. D. Special Refrigerant Reclaim Procedure for Scroll Compressors When the refrigerant charge is reclaimed only from the discharge side of Scroll Compressor, it is possible that the suction side of compressor remains pressurised. If a brazing torch is applied to the suction side the pressurised refrigerant and oil mixture could ignite. THIS COULD RESULT IN A FIRE AND / OR SEVERE PERSONAL INJURY. The refrigerant gas MUST be reclaimed simultaneously from the discharge and suction sides of the outdoor unit to avoid this possible problem. -3- 2. SPECIFICATIONS ITEM Cooling capacity Heating capacity Power source kW kW Phase V Hz MODEL RAV-362BH-PE 10. 0 10. 8 3 380-415 50 COOLING HEATING 4. 0 86 6. 7 42 45/42/39 55 R-22 3. 4 50 Capillary tube & Expansion valve ø 19 (ø22) Flare ø 9. 5 Flare 7. 5 50 20 50 ø 32 (OD) RAV-362BH-PE 345 1, 350 800 58 Finned tube Multi-blade fan 1, 820 120 4 10 RAV-363AH8-PE Bronze white (Munsell 6Y7. 5/1) 1, 240 930 385 101 Finned tube Propeller fan RAV-462BH-PE 12. 5 13. 8 3 380-415 50 COOLING 5. 15 87 8. 5 50 46/43/40 55 R-22 3. 9 50 Capillary tube & Expansion valve ø 19 (ø22) Flare ø 9. 5 Flare 7. 5 50 20 50 ø 32 (OD) RAV-462BH-PE HEATING 4. 9 88 8. 0 Power consumption Power factor Running current Starting current Operating noise (SPL) kW % A A Indoor unit (High, Med, Low) dB (A) Outdoor unit dB (A) Name of refrigerant Charge volume Add. RY05 : RY07 : 4-way valve ON/OFF Magnetic switch ON/OFF High Pressure Switch 4-Way-Valve Relay control circuit - 14 - 7. 8 Fan speed control circuit The fan speeds are controlled by triac IC07. This allows the fan to operate at any one of 16 speeds. This function only occurs when the unit is in the cooling mode, zero waves equates to fan stop. To CPU WHI BLK RED WHI BLK Waveform obtained between J Example shown is for 4 waves. and N. 16 waves 7. 9 Lightning surge protection circuit The circuit on the right, protects the PCB from damage caused by a lightning surge. Varistors are connected between the live and neutral and live and earth lines to protect against voltage surges. I N L1 R71 470V N SG01 DC3000V R74 470V - 15 - 8. EMERGENCY OPERATION If the air conditioner develops a fault which stops it from operating normally, it is possible to operate the air conditioner using change-over connectors incorporated into the units. In this case, operation of the air conditioner is controlled by switching on and off the power supply. Details of how to change-over the units to operate in the emergency mode are shown below: 1 Switch off the power supply to the outdoor unit. 2 Remove the electrical parts cover from the indoor unit. Pull out the connector of R phase (red) lead wire from terminal 1 and connect it with the connector of lead wire for fan motor K1 output (red). Note: If the indoor unit is a cassette model, the float switch conector must be removed from the PCB. Replace the electrical parts cover on the indoor unit. On the outdoor unit PCB short the test pins as follows: For Cooling Mode For Heating Mode Short CN22 with CN23 Short CN22 with CN23 and CN20 with CN21 3 Switch on the power supply to the outdoor unit. - 16 - 9. PERFORMANCE CHARACTERISTICS 9. 1 Cooling capacity Capacity Ratio (%) 80 85 90 95 100 105 110 RAV-363AH8-PE 8. 00 8. 50 9. 00 9. 50 10. 00 10. 50 115 11. 00 11. 50 12. 00 120 10. 00 10. 63 11. 25 11. 88 12. 50 13. 13 13. 75 14. 38 15. 00 (KW) LRNN426BGA0 Ambient Temp. [. . . ] (Dry Bulb) (°C) -2 ~ 10 Room Temp. (Wet Bulb) (°C) 9. 2 Heating capacity Capacity Ratio (%) RAV-363AH8-PE 12. 96 12. 42 11. 88 16. 56 15. 87 15. 18 14. 49 13. 80 13. 11 12. 42 11. 73 11. 03 10. 35 9. 66 8. 97 8. 28 7. 59 (KW) LRNN426BGA0 Ambient Temp. (Wet Bulb) (°C) 11. 34 10. 80 10. 26 9. 72 9. 18 8. 64 8. 10 7. 56 7. 02 6. 48 5. 94 14 20 23 Room Temp. (Dry Bulb) (°C) - 17 - 9. 3 Piping length / cooling capacity / heating capacity RAV-363AH8-PE LRNN426BGA0 Cooling Capacity Ratio Heating Capacity Ratio Outdoor Unit Height H (m) 50 Piping Length (m) The broken line shows in case the piping length is 30m or less. Outdoor Unit Height H (m) Piping Length (m) 9. 4 Piping length / additional refrigerant volume Piping length less than (m) Model (RAV-) 363AH8-PE 463AH8-PE Additional amount of refrigerant at installation site (kg) 20 25 Filled at factory 0. 25 0. 25 30 0. 5 0. 5 35 0. 75 0. 75 40 1. 0 1. 0 45 1. 25 1. 25 50 1. 5 1. 5 5 3. 0 3. 6 10 3. 15 3. 7 Recharge amount of interchange time (kg) 15 3. 25 3. 8 20 3. 4 3. 9 25 3. 65 4. 15 30 3. 9 4. 4 35 4. 15 4. 65 40 4. 4 4. 9 45 4. 65 5. 15 50 4. 9 5. 4 l l The amount of refrigerant put into the outdoor unit at the factory is equivalent to that which fills up 20m length of refrigerant pipe. [. . . ]