Rpi (In-The-Ceiling); Initial Check; Installation - Hitachi FSG1 Series Technical Catalogue

12.5 RPI (IN-THE-CEILING)

(Models: RPI-(0.8~5.0)
Accessory Qty
1
Wire Clamp
Ring Core 2

12.5.1 INITIAL CHECK

§ Install the indoor unit with a proper clearance around it
for operation and maintenance working space, as
shown below.
RPI-0.8/1.5
RPI-2.0~5.0
Rear Side
Bottom View.
Operation and maintenance space
Models
RPI-0.8~1.5
RPI-2.0~3.0
RPI-4.0~5.0
Purpose
For Drain Connection
Service Space of
False Ceiling
Service Space of
False Ceiling
A (mm) B (mm)
969 1005
1113 1193
1503 1583
UNITS INSTALLATION

12.5.2 INSTALLATION

n
Mounting of sling bolts and hanging the Indoor
Unit
Using the dimension shown above select the final
location and installation direction of the Indoor Unit
paying careful attention to the space for the piping, wiring
and maintenance.
Install the sling bolts, M10 or greater are also
recommended, and suspend the indoor unit using the
following steps:
1. Hook suspension bracket to the nut and washer of
each sling bolt, as shown, starting from one side
2. After check the nut and washer are correctly fixed by
the retainers of the suspension bracket, hook the
suspension bracket of the other side to nut and
washer.
Suspension
Left Side
Bracket
Inlet Air
Right Side
(service Cover)
n
Drain Pan Level
Check to ensure that the foundation is flat, taking into
account the maximum foundation gradient.
Front View
Condensate Drain
Connection
The unit should be installed so that one side of the unit is
slightly (approximately 5mm) lower than the other side, in
order to avoid the incorrect position of the drain
discharge.
Tighten the nuts of the suspension bolts with the
suspension brackets after adjustment is completed.
Special plastic paint must be applied to the bolts and nuts
in order to prevent them from loosening.
NOTE:
Keep the unit as well as relevant equipment covered
with the vinyl cover during installation work.
12
/15
Sling Bolt
Washer
Nut