Connecting The Piping To Outdoor Multi; Cutting And Flaring The Piping; How To Take Out Front Grille - Panasonic CS-RZ25VKRW Service Manual

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
Outdoor Multi Combination Model
CS-MRZ16***, CU-2Z52***,
CS-MRZ20***, CU-3Z54***,
CS-RZ25***, CU-4Z71***,
CS-RZ35*** CU-4Z80***,
CU-5Z100***
CS-RZ42***, CU-2Z52***,
CS-RZ50*** CU-3Z54***,
CU-4Z71***,
CU-4Z80***,
CU-5Z100***
CS-RZ60*** CU-4Z71***,
CU-4Z80***,
CU-5Z100**
CS-RZ71*** CU-4Z80***,
CU-5Z100***
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.
Pipe
Reamer
Point down
1. To cut 2. To remove burrs
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.
Pipe size (refer to
diagram)
(CZ-MA1P)
(CZ-MA2P)
(CZ-MA2P) &
(CZ-MA3P)
Handle
Bar
Bar
Yoke
Core
Red arrow mark
Clamp handle
3. To fl are
Hall Union
Auxiliary pipe
(male side)
Hall Union
Auxiliary pipe
(male side)
Hall Union
Auxiliary pipe
(male side)
Hall Union
Auxiliary pipe
(male side)
(Indoor)
Connection pipe
(female side)
Pipe size reducer
Hall Union (CZ-MA3P)
Auxiliary pipe
(male side)
(Indoor)
Packing
Improper fl aring
0 – 0.5 mm
Copper pipe
Inclined Surface
damaged
Front grille
Move
the vane
downward
Vane
66
Flare Nut
Flare Nut
Connection pipe
(female side)
Packing
Flare Nut
Connection pipe
Pipe size reducer (CZ-MA1P)
Flare Nut
Packing
Pipe size expander
(CZ-MA2P)
Flare Nut Packing
Connection pipe Pipe size expander
(female side) (CZ-MA2P)
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.
Cracked Uneven
thickness
Screw
Front grille
Cap
Test pen
• Use Test pen to
remove Cap
Liquid side
Connection pipe
(female side)
Gas side
(female side)
Hall Union
Auxiliary pipe
(male side)
(Outdoor)
Hall Union
Auxiliary pipe
(male side)
(Outdoor)
(only for 2.0HP ~ 3.0HP
model)
Screw