Refrigerant Piping; Piping Connection - Hitachi RCIM-1.0FSN2 Manual De Instrucciones

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Suspension bolts (4)
Suspension Bracket
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.

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.
Gas Piping
Liquid Piping
3.1.2.
PIPING CONNECTION SIZE
Piping size
Model RCIM
1.0/1.5
Gas Piping
12.70 (1/2)
Liquid Piping
6.35 (1/4)
All manuals and user guides at all-guides.com
Electrical Box
(mm)
Liquid Piping
Gas Piping
Unit Body
mm (in)
2.0
15.88 (5/8)
6.35 (1/4)
REFRIGERANT PIPING
Adjust the indoor unit to the correct position by checking
-
with the pattern for installation.
Indoor Unit
1. For ceiling already completed with panels.
Attach this side of the scale to the
Attach this side of the scale to the inner
lower side of the unit
side of the opening of the ceiling
Indoor Unit
Attach this side
of the scale to
Ceiling
the outer side
panel
of the unit
Checking
Scale
Check the dimension
of opening at each
side of the unit
Flare Pipe Dimensions
Nominal
Diameters
1/4
3/8
1/2
5/8
Thickness of Copper Pipes
Nominal
Outer
Diameters
Diameters
1/4
6.35
3/8
9.53
1/2
12.70
5/8
15.88
Flare Nut Dimensions
Nominal
Diameters
Diameters
1/4
3/8
1/2
5/8
3
3
(mm)
Indoor Unit
Attach this side of
the scale to the
ceiling Panel
Checking
Scale
Check the height of the
ceiling at each corner of
the unit
(mm)
Outer
A
+0/-0.4
Diameters
6.35
9.1
9.53
13.2
12.70
16.6
15.88
19.7
(mm)
Thickness
0.80
0.80
0.80
1.00
(mm)
Outer
B
6.35
17
9.53
22
12.70
26
15.88
29

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