User manual LG HG6412A

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Manual abstract: user guide LG HG6412A

Detailed instructions for use are in the User's Guide.

[. . . ] Based on Toshiba's proven light commercial air conditioning system, the Super Digital Inverter, this innovative unit features DC twin rotary compressor, DC inverter and R410A refrigerant, providing the highest coefficient of performance (COP) in its class. This means more power from less energy consumption, and the ideal ecological and economical solution for your home. Hot water cylinder Hydro unit Outdoor unit 8 kW 11 / 14 kW Outdoor unit Hot water cylinder Hydro unit 3 1. INTRODUCTION Engineering Data book Advantages World-leading energy efficiency - COP of 4. 66* With its best in class COP performance, Estía air to water heat pump system delivers more heating power with less energy consumption. Estía uses high quality components and material which contribute to the overall savings in energy consumption. With the Toshiba advanced inverter, Estía air to water heat pump system only delivers the heating capacity required; thus consuming only the necessary electricity. [. . . ] Press the TEST + CL buttons for four seconds or more. Press the TEST button to exit the test mode. Function code 06 08 09 0A 0B 60 61 62 63 6A 70 F4 F5 F6 Operating hours Outdoor unit Hydro unit Location Indication Return water temperature °C Hot water temperature °C 2-zone sensor temperature °C Hot water cylinder temperature sensor °C Motorized mixing valve position Heat exchanger temperature °C Outside air temperature °C Refrigerant discharge temperature °C Refrigerant intake temperature °C Current value (in the inverter) A Compressor operating frequency Hydro unit AC pump total operating hours x100 hours Hot water cylinder heater total operating hours x100 hours Hydro unit heater total operating hours x100 hours 39-EN ­ 101 ­ 7. HYDRO UNIT INSTALLATION MANUAL Engineering Data Book 12TROUBLESHOOTING Fault Symptoms Symptom Possible cause Incorrect remote controller setting Room is not heated or cooled. Incorrect function code setting Backup heater disconnected Insufficient capacity Sensor defect Power is not supplied. Nothing is displayed on the remote controller. Incorrect setting Air bite in the pump Low hydraulic pressure Flow rate switch is activated. Large resistance on the hydro side Malfunction of motorized 3-way valve for hot water supply Excessive hydraulic pressure Hot water leaks from pressure relief valve. Corrective action Check remote controller operation and temperature setting Check function code setting with the function code table. Check backup heater and bimetal thermostat. Check whether temperature sensor is installed at the normal position. Check DIP switch setting on the Hydro Unit board. This alarm is checked immediately after power-on. (This alarm is inhibited while the unit is not working, but occurs again after the unit operates. ) Pump defect or abnormal flow rate This alarm is not reset automatically. Excessive water temperature increase by the heating heater Auto-reset: Excessive water temperature increase in the hot water cylinder Freezing is detected. Auto-reset: High-pressure switch malfunction This alarm is not reset automatically. Low-pressure sensor malfunction This alarm is not reset automatically. Overheat preventive operation malfunction Auto-reset: When operation mode is changed Release preventive operation malfunction This alarm occurs when the Hydro Unit enters the forced-stop zone 10 times. F17 F18 F20 F23 F29 F30 L07 L09 A01 A02 A03 A04 A07 A08 A09 A11 41-EN ­ 103 ­ 7. HYDRO UNIT INSTALLATION MANUAL Engineering Data Book Alarm indication F04 F06 F08 H01 H02 H03 H06 L29 L31 P03 P04 P22 P26 P29 Main failure part Outdoor unit discharge temperature sensor TD defect Outdoor unit temperature sensor TE or TS defect Outdoor unit outside air temperature sensor TO defect Compressor breakdown Compressor locked Current detector defect Low-pressure system defect Other outdoor unit faults Phase sequence error, etc. Abnormal outdoor unit discharge temperature High-pressure system defect Outdoor unit fan defect Inverter Idc operation Position detection error Description When open- or short-circuit of discharge temperature sensor TD is detected When open- or short-circuit of heat exchanger temperature sensor TE or TS is detected When open- or short-circuit of outside air temperature sensor TO is detected When min-Hz is reached by current release control or when short-circuit current (Idc) is detected after direct current excitation When compressor lock is detected When abnormal current is detected in AC-CT or phase loss is detected Ps pressure sensor defect or low-pressure protective operation Other outdoor unit faults: 1) Inter-MCU communication error between IPDU and CDB 2) abnormal GBT heatsink temperature When phase sequence of 3-phase power supply is incorrect (thermostat OFF operation continued), etc. When abnormal temperature is detected by discharge temperature release control When high-pressure switch, IOL is activated or when abnormality is detected by high-pressure release control by TE When overcurrent or lock in outdoor unit fan drive circuit is detected When short-circuit protection is activated for compressor driver devices (G-Tr, IGBT) When compressor motor position detection error is detected 7 ­ 104 ­ 42-EN 8. OUTDOOR UNIT INSTALLATION MANUAL 105 AIR TO WATER HEAT PUMP Installation manual Outdoor Unit Model name: HG6412A HWS-1102H-E HWS-1402H-E 8. OUTDOOR UNIT INSTALLATION MANUAL Engineering Data book Please read this Installation Manual carefully before installing the Air to Water Heat Pump. [. . . ] · Press the SET button to determine the copy mode. · Specify the day of the week of copy destination with the DAY button. · Each time the DAY button is pressed, the mark on the specified day of the week blinks sequentially. When all days of the week are blinked, the data can be copied to all days of the week. [. . . ]

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