Bosch LWPS 3 Montage- Und Gebrauchsanweisungen Seite 36

English
Step 4: Flanging
Flanging must be carried out as follows with a flanging tool

for R-410A refrigerant as shown in the figure.
Rail Rail
"A"
Copper pipe
Clamp
External diameter
mm
9.52
15.88
Hold the copper pipe steady in a mould with the dimen-

sions shown in the bottom table.
Step 5: Checks
 Compare the flanging with the figure on the right.
If the flanging is visibly damaged, cut the relevant section

off and repeat the flanging.
Smooth all round
The inside shines with no scratches
= Incorrect flanging =
Slanting
The same length
all round
EN-10
Handle
Bracket
Cone
Red arrow marking
"A"
Inch mm
3/8 1.5 ~ 1.7
5/8 1.6 ~ 1.8
Cracked Uneven
Damaged
surface thickness
452162.66.16a · FD 0108
7.1.3 Pipe connections on the indoor unit
The pipe connection on the indoor unit takes place in two steps.
Read the following instructions carefully.
Step 1: Initial fastening
 Align the centre of the pipe and tighten the screw nuts by
hand.
Pipework of
the indoor system
Step 2: Fastening
Tighten the screw nuts with a spanner.

 Torques
External diameter
mm
9.52
15.88
Torque spanners
Pipework of the indoor system
7.1.4 Pipe connections on the outdoor unit
The pipe connection on the outdoor unit takes place in steps.
Step 1: Determining the direction in which the pipes
are to run
The pipes can be connected in four directions

To the rear
To the side
To the rear
To the rear
To the side
To the front
LWPS 3 - LWPS 14
Screw nut
Pipework
Torque
Inch Nm
3/8 34 - 42
5/8 65 - 81
Open-end spanner (fixed)
Screw nut
Connection pipe
www.boesch.at