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Selecting compressed ring terminal
Norminal
Norminal
dimensions
dimensions
Standard
for screw
dimension
for cable
2
(mm)
(mm
)
(mm)
4
6.6
1.5
4
8
4
6.6
2.5
4
8.5
4
4
9.5
Selectthepowercableinaccordancewithrelevantlocalandnationalregulations.
Wiresizemustcomplywithlocalandnationalcode.
Forthepowercable,usethegradeofH07RN-ForH05RN-Fmaterials.
Youshouldconnectthepowercableintothepowercableterminalandfastenitwithaclamp.
Theunbalancedpowermustbemaintainedwithin10%ofsupplyratingamongwholeindoor
units.
Ifthepowerisunbalancedgreatly,itmayshortenthelifeofthecondenser.Iftheunbalanced
powerisexceededover10%ofsupplyrating,theindoorunitisprotected,stoppedandtheerror
modeindicates.
Toprotecttheproductfromwaterandpossibleshock,youshouldkeepthepowercableandthe
connectioncordoftheindoorandoutdoorunitsintheironpipe.
Connectthepowercabletotheauxiliarycircuitbreaker.
Anallpoledisconnectionfromthepowersupplymustbeincorporatedinthefixedwiring(≥3mm).
Youmustkeepthecableinaprotectiontube.
Keepdistancesof50mmormorebetweenpowercableandcommunicationcable.
Maximumlengthofpowercablesaredecidedwithin10%ofpowerdrop.Ifitexceeds,youmust
consideranotherpowersupplyingmethod.
Thecircuitbreaker(ELCBorMCCB+ELB)shouldbeconsideredmorecapacityifmanyindoorunits
areconnectedfromonebreaker.
Useroundpressureterminalforconnectionstothepowerterminalblock.
Forwiring,usethedesignatedpowercableandconnectitfirmly,thensecuretopreventoutside
pressurebeingexertedontheterminalboard.
Useanappropriatescrewdriverfortighteningtheterminalscrews.Ascrewdriverwithasmall
headwillstriptheheadandmakepropertighteningimpossible.
Over-tighteningtheterminalscrewsmaybreakthem.
Seethetablebelowfortighteningtorquefortheterminalscrews.
Tightening torque(kgf
M3
M 4
12.0~14.7
Silver solder
B
D
Standard
Allowance
Allowance
dimension
(mm)
(mm)
(mm)
+0.3
±0.2
3.4
-0.2
+0.3
±0.2
4.2
-0.2
+0.3
±0.2
5.6
-0.2
cm)
•
5.9
d1
E
F
Standard
Allowance
dimension
Min. Min. Max.
(mm)
(mm)
1.7
±0.2
4.1
6
2.3
±0.2
6
6
3.4
±0.2
6
5
L
d2
t
Standard
Allowance
dimension
Min.
(mm)
(mm)
+0.2
16
4.3
0.7
0
+0.2
17.5
4.3
0.8
0
+0.2
20
4.3
0.9
0
15
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