NEC RIH-2667 Air Conditioner User Manual


 
Installationinstructions
PipingJointsThermalInsulation:
Wrapthepipingjointswiththermal
insulationmaterialsandthenwrap
withavinyltape.
PipingThermalInsulation:
a.Placethedrainhoseunderthepiping.
b.Insulationmaterialusespolythenefoamover6mminthickness.
Note:Drainhoseispreparedbyuser.
Drainpipeshouldpointdownwardforeasydrainflow.
Donotarrangethedrainpipetwisted,stickingoutorwave
around,donotimmersetheendofitinwater.
Ifanextensiondrainhoseisconnectedtothedrainpipe,make
suretothermalinsulatedwhenpassingalongtheindoorunit.
Whenthepipingisdirectedtotheright,piping,power
Cordanddrainpipeshouldbethermalinsulatedand
fixedontothebackoftheunitwithapipingfixer.
Thermalinsulation
wrappedwithvinyltype
Small
pipe
Largepipe
Thermalinsulation
tube
Powerconnectingcord
Drainhose
(preparedbyuser)
A.Insertthepipefixertotheslot.
B.Presstohookthepipefixerontothebase.
Base
Base
Base
Pipingfixer
Pipingfixer
Hookhere
Inserthere
drain
hose
drain
hose
large
pipe
large
pipe
small
pipe
small
pipe
b.Pre-tightenthemwithfingersatfirst,thenusethewrenches.
a.Connectindoorunitpipeswithtwowrenches.Payspecialattention
totheallowedtorqueasshownbelowtopreventthepipes,connectors
andflarenutsfrombeingdeformedanddamaged.
PipingConnection:
PipesizeModel
LiquidSide(1/4inch)9,12K
12K
9K
1.8kg.m 17mm 0.6mm
0.6mm
0.6mm
22mm
24mm
3.5kg.m
5.5kg.m
GasSide(1/2inch)
GasSide(3/8inch)
Torque Nutwidth
Min.thickness
18
Note:Theconnectionpipewillbeprovidedorpurchasedbycustomer.
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