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3
REFRIGERANT PIPING
3
NOTE:
-
If a false ceiling has already been installed, complete all
piping and wiring work inside the ceiling before hooking-
up the indoor unit.
-
Secure the indoor unit using the nuts and flat washers.
Space Adjusting Between Indoor Units and
False Ceiling Opening
-
Check the level of the drain pan by a water level to avoid
incorrect operation of the drain discharge mechanism in
the indoor unit.
-
Tighten the nuts of the suspension brackets after the
adjustment is completed. Apply LOCK-TIGHT paint to the
bolts and nuts in order to prevent them from loosening. If
not done, abnormal noises or sounds may occur and the
indoor unit may come loose.
-
Adjust the indoor unit to the correct position by checking
with the pattern for installation.
(mm)
1. For ceiling already completed with panels.
3
REFRIGERANT PIPING
3.1.
PIPING CONNECTION
3.1.1.
PIPING POSITION
Piping connection position is the following, which is
available from all directions, top, left or right.
(mm)
3.1.2.
PIPING CONNECTION SIZE
Piping size
mm (in)
Model RCIM
1.0/1.5
2.0
O
Gas Piping
12.70 (1/2)
15.88 (5/8)
P
Liquid Piping
6.35 (1/4)
6.35 (1/4)
Flare Pipe Dimensions
(mm)
Nominal
Diameters
Outer
Diameters
A
+0/-0.4
1/4 6.35
9.1
3/8 9.53
13.2
1/2 12.70
16.6
5/8 15.88
19.7
Thickness of Copper Pipes
(mm)
Nominal
Diameters
Outer
Diameters
Thickness
1/4 6.35 0.80
3/8 9.53 0.80
1/2 12.70 0.80
5/8 15.88 1.00
Flare Nut Dimensions
(mm)
Nominal
Diameters
Outer
Diameters
B
1/4 6.35
17
3/8 9.53
22
1/2 12.70
26
5/8 15.88
29
Suspension bolts (4)
Suspension Bracket
Electrical Box
Indoor Unit
Indoor Unit
Attach this side of
the scale to the
ceiling Panel
Attach this side of the scale to the
lower side of the unit
Check the height of the
ceiling at each corner of
the unit
Checking
Scale
Attach this side of the scale to the inner
side of the opening of the ceiling
Attach this side
of the scale to
the outer side
of the unit
Indoor Unit
Checking
Scale
Ceiling
panel
Check the dimension
of opening at each
side of the unit
P
O
Liquid Pi
ping
Gas Piping
Uni
t Bo
dy
Gas Piping
Liquid Piping
Liquid Pi
ping
Gas Piping
Unit Body
Gas Piping
Liquid Piping
Содержание RCIM-1.0FSN2
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Страница 128: ...P5414373 PMML0157A rev 1 04 08 Printed in Spain ...