Installing The Indoor Unit - Mitsubishi Electric PCFY-PVKM-E-Serie Installationshandbuch

3. Installing the indoor unit

A
2
B
75
233
246
Fig. 3-2
190
80
Fig. 3-3
Fig. 3-4
(mm)
Fig. 3-5
236
2
85 86 2
138
C
D
233
246
70
160
ø65 ø100 125
3.2. Preparation for installation (Fig. 3-2)
3.2.1. Suspension bolt installing spacing
Models A B
P40 917 960
P63 1237 1280
P100,125 1557 1600
3.2.2. Refrigerant and drain tubing location
Models C D
P40 184 203
P63 180 200
P100,125 180 200
A Front side outlet
B Left side outlet
C Right side outlet
D Independent piece (Removable)
E Right drain tubing
3.2.3. Selection of suspension bolts and tubing positions (Fig. 3-3)
Using the pattern paper provided for installation, select proper positions for suspen-
sion bolts and tubing and prepare relative holes.
A Pattern paper
B Suspension bolt hole
C Indoor unit width
Secure the suspension bolts or use angle stock braces or square timbers for bolt
installation.
D Use inserts of 100 kg to 150 kg each.
E Use suspension bolts of W3/8 or M10 in size.
3.2.4. Indoor unit preparation (Fig. 3-4)
1. Install the suspending bolts. (Procure the W3/8 or M10 bolts locally.)
Predetermine the length from the ceiling (1 within 100 mm).
A Ceiling surface B Suspending bolt C Suspending bracket
2. Remove the intake grille.
Slide the intake grille holding knobs (at 2 or 3 locations) backward to open the
intake grille.
3. Remove the side panel.
Remove the side panel holding screws (one in each side, right and left) then slide
the side panel forward for removal.
D Intake grille
E Intake grille holding knob
F Slide
G Hinge
H Pushing the hinge, pull out the intake grille.
2 Forcing open the intake grille or opening it to an angle of more than 120° may
damage the hinges.
3.3. Installing the indoor unit (Fig. 3-5)
Use a proper suspending method depending on the presence or absence of ceiling
materials as follows.
A In the presence of ceiling materials
B In the absence of ceiling materials
a Suspending bracket
b Unit
1) Directly suspending the unit
Installing procedures
1. Install the washer 1 (supplied with the unit) and the nuts (to be locally procured).
2. Set (hook) the unit through the suspending bolts.
3. Tighten the nuts.
Check the unit installing condition.
• Check that the unit is horizontal between the right and left sides.
• Check that the front and the rear of suspending brackets are horizontal.
(To keep drainage,the unit is inclined to the suspending brackets. The unit slopes
continuously downward from the front to the rear is the right installation position.)
(mm)
(mm)
F Left drain tubing
G Gas tubing
H Liquid tubing
I Rubber plug
J with Joint socket 5
J Slide the side panel forward.
K Side panel
L Remove the side panel holding screws.
M Remove the protective vinyl of vane.
c Ceiling
d Suspending bolt
e Washer 1
f Washer (Local procurement)
g Double nuts
3