User manual LG DA3525

[. . . ] WIRING DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SPECIFICATIONS OF ELECTRICAL PARTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . REFRIGERANT CYCLE DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . CONTROL BLOCK DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] 9-2-18 Precautions for adding refrigerant · Use a scale having a precision with at least 10 g per index line when adding the refrigerant. Do not use a bathroom scale or similar instrument. · Use liquid refrigerant when refilling the refrigerant. Since the refrigerant is in liquid form, it can fill quickly. Therefore, perform the filling operation carefully and insert the refrigerant gradually. 8-2-7. NOTE : · Hole should be made at a slight downward slant on the outdoor side. Do not rise the drain hose. Do not form the drain hose into the waved shape. 50 mm or more CAUTION 1. Install the outdoor unit without anything blocking the air discharging. When the outdoor unit is installed in a place exposed always to a strong wind like a coast or on a high storey of a building, secure the normal fan operation using a duct or a wind shield. Specially in windy areas, install the unit prevent the admission of wind. Installation in the following places may result in trouble. Otherwise the nut may crack depending on the conditions. of copper pipe Ø6. 35 mm Ø9. 52 mm Tightening torque 14 to 18 (1. 4 to 1. 8 kgf·m) 33 to 42 (3. 3 to 4. 2 kgf·m) Be sure to use a vacuum pump with counter-flow prevention function so that oil inside the pump does not flow back into the air conditioner pipes when the pump stops. (If oil inside the vacuum pump enters into the air conditioner circuit which uses R410A, trouble with the refrigeration system may occur. ) 1. Connect the charge hose from the manifold valve to the service port of the gas side packed valve. Connect the charge hose to the port of vacuum pump. Open fully the low pressure side handle of the gauge manifold valve. Operate the vacuum pump to start for evacuating. Perform evacuating for about 15 minutes if the piping length is 20 meters. (15 minutes for 20 meters) (assuming a pump capacity of 27 liters per minute. ) Then confirm that the compound pressure gauge reading is ­101 kPa ( ­76 cmHg). Close the low pressure side valve handle of gauge manifold. Open fully the valve gauge stem of the packed -101kPa Manifold valve (-76cmHg) valves (both side Handle Hi Handle Lo of Gas and Liquid). [. . . ] * If the drain port is frozen due to installation status, etc. , draw around the cord heater so that the end part of the heater is inserted into the drain port. In this case, add some fixing positions to fix the cord heater surely. * The end part from the marked part of the cord heater heats up. When there is the heating part near the electric parts box, a fire may generate. [. . . ]