Installation - Hitachi Rci-1.0Fsr1 Installations- Und Betriebshandbuch

◆ Opening Of False Ceiling
• Cut out the area for the indoor unit in the false ceiling and install suspension bolts, as shown
below.
• Check to ensure that the ceiling is horizontally level, otherwise water can not flow.
• Strengthen the opening parts of the false ceiling.
3.1.3 Installation
◆ Mounting of Suspension Bolts
Mount suspension bolts using M10 (W3/8) as size, as shown.
For concrete slab:
150 to 160mm
Steel
PMEN0649 rev.0 - 03/2023
Dimension of
opening: 860 to 910
20
(Unit size)
840
760
(Dimension of
suspension bolts)
Piping connection
side
connection side
Insert (100 to 150Kg)
Concrete
Anchor Bolt (W3/8 or M10)
20
Holes
4-12 x 32
(for suspension bolt)
4-Positions of
suspension bolts
Drain piping
(M10 or W3/8)
(Field-supplied)
I-Beam
(mm)
For steel beam:
Suspension Bolt
(W3/8 or M10)
3
16