LG Electronics MFL39817303 installation manual Piping Length and Elevation

Page 11

Installation

PipingLengthandElevation

Capacity	Pipe Size		Standard Length	Max.	Max.	Additional Refrigerant
(Btu/h)			m(ft)	Elevation B	Length A	g/m(oz/ft)
(Btu/h)	GAS	LIQUID	m(ft)	m(ft)	m(ft)	g/m(oz/ft)

9k, 12k	9.52 (3/8")	6.35(1/4")	7.5 (25)	7 (23)	15 (49)	20 (0.22)

18k	12.7(1/2")	6.35(1/4")	7.5 (25)	7 (23)	15 (49)	20 (0.22)

24k	15..88(5/8")	9.52(3/8")	7.5 (25)	15 (49)	30 (98)	30 (0.33)

ENGLISH

Indoor unit

B

A

Outdoor unit

A

Indoor unit

Outdoor unit

Outdoor unit

Oil trap	A

BIndoor unit

B

If piping length is more than 5 m (16.4 ft)

Capacity is based on standard length and maximum allowance length is on the basis of reliability. Oil trap should be installed every 5~7 meters(16.4~23.0ft).

Installation Manual 11

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Contents Room Air Conditioner Table of Contents Installation Instructions It may cause injury or an accident No installation may cause a fire and electrical shockBe sure not to do Be sure to follow the instruction Operation Otherwise, it may do harm to your health Otherwise, it may cause water leakageOtherwise, it may cause dispute with the neighbors Otherwise, it may cause vibration or water leakageFeatures Symbols used in this ManualRead carefully, and then follow step by step Installation PartsInstallation Tools Installation Map Outdoor unit Select the best LocationIndoor unit Piping Length and Elevation Type Fixing Installation PlateDrill a Hole in the Wall Putting nut on Flaring WorkCutting Tubes Burrs removalFoamed polyethylene or equivalent is recommended Connecting the PipingCheck IndoorLbf .ft Indoor unit installationFor left rear piping Piping for passage through piping hole Bad case Good caseMove the link upward and close the front panel Connecting the CablesHow to use the front panel OutdoorFront panel removing With the screw Connect the wires to the terminals onRefix the cover control to the original position Connecting cable How to connect wiring to the terminalsFor strand wiring Pour a glass of water on the evaporator Checking the DrainageTo check the drainage Drain pipingForming the Piping Air purging with vacuum pump Air PurgingAir purging If bubbles come out, the pipes have leakage Soap water methodEvacuation Finishing the jobEvaluation of the performance Prepare remote controllerTest Running Settlement of outdoor unitPump Down Pump Down ProcedureSelecting the locationOutdoor Unit Installation guide at the seasideMemo Room Air Conditioner No. MFL39817303