Panasonic CU-RZ80VKR - Connecting the Piping to Outdoor Multi; Cutting and Flaring the Piping; How to Take out Front Grille

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12.2.5.3 Connecting the Piping to Outdoor Multi
Decide piping length and then cut by using pipe cutter.
Remove burrs from cut edge. Make flare after inserting the
flare nut (locate at valve) onto the copper pipe. Align center
of piping to valve and then tighten with torque wrench to the
specified torque as stated in the table.
* For Gas side piping please refer table and diagram below
Connection pipe
(female side)
Auxiliary pipe
(male side)
Flare Nut
Hall Union
Liquid side
Outdoor Multi Combination Model
Pipe size (refer to
diagram)
CS-MRZ16***,
CS-MRZ20***,
CS-RZ25***,
CS-RZ35***
CU-2Z52***,
CU-3Z54***,
CU-4Z71***,
CU-4Z80***,
CU-5Z100***
CS-RZ42***,
CS-RZ50***
CU-2Z52***,
CU-3Z54***,
CU-4Z71***,
CU-4Z80***,
CU-5Z100***
(CZ-MA1P)
CS-RZ60***
CU-4Z80***,
CU-5Z100**
(CZ-MA2P)
CS-RZ71***
CU-5Z100***
CU-4Z71***,
CU-4Z80***,
(CZ-MA2P) &
(CZ-MA3P)
Hall Union
Connection pipe
(female side)
Auxiliary pipe
(male side)
Flare Nut
Hall Union
Packing
Connection pipe
(female side)
Auxiliary pipe
(male side)
Pipe size reducer (CZ-MA1P)
Flare Nut
Auxiliary pipe
(male side)
(Outdoor)
Auxiliary pipe
(male side)
(Indoor)
Hall Union
Hall Union
Packing
Connection pipe
(female side)
Pipe size expander
(CZ-MA2P)
Flare Nut
Auxiliary pipe
(male side)
(Outdoor)
Auxiliary pipe
(male side)
(Indoor)
Hall Union
Hall Union
Packing
Packing Connection pipe
(female side)
Pipe size expander
(CZ-MA2P)
Flare Nut
Pipe size reducer
(CZ-MA3P)
Gas side
12.2.6 Cutting and Flaring the Piping
1 Please cut using pipe cutter and then remove the burrs.
2 Remove the burrs by using reamer. If burrs is not removed, gas leakage may be caused. Turn the piping end
down to avoid the metal powder entering the pipe.
3 Please make flare after inserting the flare nut onto the copper pipes.
When properly fl ared, the internal surface of the
fl are will evenly shine and be of even thickness.
Since the fl are part comes into contact with the
connections, carefully check the fl are fi nish.
Improper fl aring
Inclined
Surface
damaged
Cracked Uneven
thickness
1. To cut 2. To remove burrs 3. To fl are
Bar
Red arrow mark
Handle
Core
Yoke
Clamp handle
Bar
0 – 0.5 mm
Copper pipe
Reamer
Point down
Pipe
12.2.7 How to Take Out Front Grille
Please follow the steps below to take out front grille if
necessary such as when servicing.
1 Set the vertical airflow direction louvers to the
horizontal position.
2 Remove the 2 caps (1/2 ~ 1.75HP) or 3 caps
(2.0 ~ 3.0HP) on the front grille as shown in
the illustration at right, and then remove the
3 (1/2 ~ 1.75HP) or 4 (2.0 ~ 3.0HP) mounting
screws.
3 Pull the lower section of the front grille
towards you to remove the front grille.
When reinstalling the front grille, first set the
vertical airflow direction louver to the horizontal
position and then carry out above steps 2 - 3 in
the reverse order.
Screw
Screw
Vane
Cap
Test pen
Move
the vane
downward
• Use Test pen to
remove Cap
(only for 2.0HP ~ 3.0HP
model)
Front grille
Front grille