Hitachi RAS-5.0UFESMH1 - IR Receiver Installation and Functionality

!
CAUTION
When installing pipe through the wall,
secure a cap at the end of the pipe.
Do not place the pipe directly on the
ground.
Attach a cap or
vinyl tape.
Attach a cap or
vinyl tape.
Attach a cap or vinyl
bag with rubber band.
Rain water
can enter
Correct Incorrect
Correct Incorrect Correct Incorrect
3 Processing of refrigerant piping
1. Pipe cutting
Cut the copper pipe correctly with a pipe cutter.
2. Burrs removal
Completely remove all burrs from the cross section of the pipe.
Put the end of the copper pipe downward to prevent burrs from
dropping in the pipe.
3. Putting nut on
Removearenutsattachedtoindoorandoutdoorunits,thenput
them on burrs removed pipe.
(Notpossibletoputthemonafteraringwork).
Flare nut for pipe depends on the diameter of pipe.
4. Flaringwork
Performaringworkwitharingtoolasshownbelow.
5. Check
Comparethearedworkwiththegurebelow.
Ifareisnotedtobedefective,cutoffthearedsectionand
performaringworkagain.
(Unit:mm)
Diameter ∅d A
+0
-0.4
6.35 9.1
9.52 13.2
12.7 16.6
15.88 19.7
90
o
Good
No good
Tilted Uneven Burred
Flaring tool
Clutch type
Wing nut type
Flare nut
Copper pipe
Copper pipeBurr
Spare
reamer
Pipe
cutter
Die
Copper pipe
Die
Yoke
Copper
pipe
Flare
nut
Smooth all
around
Inside is shining without any scratches
INSTALLATIONINSTRUCTIONS
HO2019292HA
13
EN