Rci (4-Way Cassette Type); Initial Check - Hitachi FSG1 Series Technical Catalogue

UNITS INSTALLATION
12
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12.2 RCI (4-WAY CASSETTE TYPE)

12.2.1 FACTORY-SUPPLIED ACCESSORIES
(Models: RCI-1.0~5.0)
Accessory
Suspension
Bracket (1)
Suspension
Bracket (2)
Flat Washer
Spring
Washer
Nut
Wire Clamp
Cord Clamp
Pattern
Paper for
Installation
Screw
Ring Core
I
Applicable Air Panel (Option)
Applicable Air Panel (Option)
Indoor Unit
For Wired Remote
Control Switch
Without
heater
RCI-1.0
P-G12WA2E
RCI-1.5
RCI-2.0
P-G23WA2E P-G23WA2E1
RCI-2.5
RCI-3.0
RCI-4.0
P-G46WA2E P-G46WA2E1
RCI-5.0
Quantity Purpose
1
1
For Unit
4
Suspension
4
4
For Drain Hose
1
Connection
For Fixing
Remote Control
2 Switch Cable and
Louver Sensor
Cable
Installation for
1
Indoor Unit
For Fixing Pattern
4
Paper
2
For Wireless Remote
Control Switch
With Without With
heater heater heater
– P-G12WAH2E –
P-G23WAH2E P-G23WAH2E1
P-G46WAH2E P-G46WAH2E1

12.2.2 INITIAL CHECK

n Install the indoor unit with a proper clearance around it
for operation and maintenance working space, as shown
below (Space around Indoor Unit).
n Provide a service access door near the unit piping
connection area on the ceiling.
Piping Piping
Connection Connection
Distance from Wall Side
- Check space between ceiling and false ceiling is
enough as indicated below.
- Check the ceiling surface is flat for the air panel
installation work.
Clearance
10-20 mm
Unit High
In False Ceiling
Check down slope Pitch of Drain Piping is following the
specifications indicated in chapter Drain Piping
?
NOTE:
Unit model RCI-1.0 has only two air outlets. One is at
piping connection side and the other is at the opposite
side. Confirm the position of air outlets before
installing the unit.
12.2.3 OPENING OF FALSE CEILING AND
SUSPENSION BOLT
Cut out the area for the indoor unit in the false ceiling and
install suspension bolts, as shown below.
Dimension of Opening A
Dimension of Suspension
Bolts B Suspension Bracket
Piping Connection
Opposite Side from
Side
Piping Connection
Check to ensure that the ceiling is horizontally level,
otherwise water can not flow.
Strengthen the opening parts of the false ceiling.
Unit HP A(mm)
RCI-1.0~3.0HP 298
RCI-4.0/5.0HP 348
A B
Indoor Unit
(mm) (mm)
RCI-1.0
RCI-1.5
RCI-2.0 910 875
RCI-2.5
RCI-3.0
RCI-4.0 1230 1195
RCI-5.0