Mitsubishi Electric CITY MULTI PKFY-WL NLMU-E Serie Manual De Instalación página 7

3. Installing the indoor unit
B
Fig. 3-9
F
Union joint
Male side
Lock the union joint
with a wrench.
Fig. 3-10
I
E
G
H
I
Fig. 3-11
A Joint
B Piping (Disposal after installation)
C Cut part (Straight part)
D Direction of tightening
E Band 4 in Fig. 3-1
F I-shape connection pipe B 6 in Fig. 3-1
G Flare nut
H Insulation (3 x 80 x 130 mm, 1/8 x 3-5/32 x 5-1/8 inch) 7 in Fig. 3-1
I Pipe cover
Note: Details for 4 to 7, refer to "3.1. Check the indoor unit accessories"
A
A
Flare nut
Female side
Tighten the flare nut
with a torque wrench.
A
G
I
3.3.3. How to install connecting pipes
(from Fig. 3-9 to Fig. 3-13)
• For right rear and right bottom piping work
(1) Loosen the nut on the L-shape piping side with two wrenches, and remove
and disposal the piping B.
(Water pipe In and Water pipe Out) (Fig. 3-9)
(2) Connect I-shape connection pipe F, and tighten the nut with two wrenches.
(Flare nut tightening torque is 68 N·m to 82 N·m) (Fig. 3-10)
(3) Cover the joint with a pipe cover, and fix them with a band E. (Fig. 3-11)
(4) Attach insulation materials H to the cut parts C of the pipe covers to
insulate them. (Fig. 3-12, 3-13)
■ For right rear piping work
CH
Fig. 3-12
■ For right bottom piping work
CH
Fig. 3-13
(For WL04/06/08 model)
F
5
en