Mitsubishi Electric CITY MULTI PKFY-WL NLMU-E Serie Manual De Instalación página 8

3. Installing the indoor unit
H
en
A Box cover
B Joint
C Piping (Disposal after installation)
D Cut part (Straight part)
E Direction of tightening
F Band 4 in Fig. 3-1
G L-shape connection pipe A 5 in Fig. 3-1
H I-shape connection pipe B 6 in Fig. 3-1
I Flare nut
J Insulation (3×80×130 mm, 1/8×3-5/32×5-1/8 inch) 7 in Fig. 3-1
K Pipe cover
Note: Details for 4 to 7, refer to "3.1. Check the indoor unit accessories"
6
B
G
Fig. 3-14
B
K F
K J
I
Fig. 3-15
A
C
Fig. 3-16
B
C
Fig. 3-17
3.3.4. How to install connecting pipes
model) (from Fig. 3-14 to Fig. 3-22)
• For right rear piping work
(1) Connect two sets of L-shape connection pipes G and I-shape connection
pipes H. (Fig. 3-14)
(Flare nut tightening torque is 68 N·m to 82 N·m, 50 ft·lbs to 60 ft·lbs)
(2) Wrap the covers of the connection pipes, and secure them at band F.
(3) Attach insulation J so that it covers the cut parts of the connection pipes.
(Fig. 3-15)
(4) Remove Box cover A. (Fig. 3-16)
(5) Loosen the nut on the L-shape piping side with two wrenches, and remove
and disposal the piping C.
(Water pipe In and Water pipe Out) (Fig. 3-17)
(6) Direct the L-shaped connector toward the exiting direction of the piping and
tighten it with two wrenches. (Fig. 3-18)
(7) Cover the joint with a pipe cover, and fix them with a band F. (Fig. 3-19)
(8) Attach insulation materials J to the cut parts D of the pipe covers to
insulate them. (Fig. 3-20)
(9) Attach Box cover A.
E
Fig. 3-18
GH
Fig. 3-19
■ For right rear piping work
Fig. 3-20
and (For WL12/15
G H
F J
JD
J
K
B
F
I
K
B