Samsung RC DHXE Series - Refrigerant Pipe Installation; Piping System Requirements

14
AA
Tightening Torque (kgf • cm)
M3 5.0~6.0 Communication:F1,F2
M4 12.0~15.0 3phaseACpower:1(L),2(N),L1(R),L2(S),L3(T),N
M5 20.0~25.0 1phaseACpower:1(L),2(N),L,N
• Whenconnectingcables,youcanconnectthecablestotheelectricalpartorconnectthemthroughtheholes
belowdependingonthespot.
• Run transmission wiring between the indoor and outdoor units through a conduit to protect against external
forces, and feed the conduit through the wall together with refirgerant piping.
• Removeallburrsattheedgeoftheknock-outholeandsecurethecabletotheoutdoorknock-outusingliningand
bushingwithanelectricalinsulationsuchasrubberandsoon.
• Mustkeepthecableinaprotectiontube.
• Keepdistancesof50mmormorebetweenpowercableandcommunicationcable.
• Whenthecablesareconnectedthroughthehole,removethePlatebottom.
Connecting the refrigerant pipe
Refrigerant piping system
indoor
indoor
indoor
outdoor
outdoor
L1
D
L1
L2
L3
h1
h2
h1
Y-jointmodel:MXJ-YA1509K[UsedincommonwithDVM]
Items
Maximum allowable length
Single installation DPM installation
Totalpipelength(L1+L2+L3) - 75m
Mainpipe(L1) L m 50 m
Max,lengthbetweenindoorunits(D) - 10 m
Max,lengthafterbranch - 15 m
Max,heightdierencebetweenoutdoorandindoorunits(h1) ± h m ±30m
Heightdierencebetweenindoorunits(h2) - ±0.5m
Pipelengthdierenceafterbranch(L2-L3) - ±1m
Connecttheratedcablesonly.
Connectusingadriverwhichisabletoapplytheratedtorquetothescrews.
Iftheterminalisloose,remayoccurcausedbyarc.Iftheterminalisconnectedtoormly,theterminalmaybedamaged.
Connecting the cable
RC���DHXEA_IM_E_32793A(6).indd 14 2011-03-24 �� 10:02:42