Units Installation - Hitachi FSG1 Series Technical Catalogue

12 UNITS INSTALLATION

CONTENTS
12 UNITS INSTALLATION _____________________________________________________ 1
12.1 Transportation and Handling _________________________________________________ 3
12.1.1 Transportation of Outdoor Unit ________________________________________________ 3
12.2 RCI (4-Way Cassette Type) _________________________________________________ 4
12.2.1 Factory-Supplied Accessories ________________________________________________ 4
12.2.2 Initial Check ______________________________________________________________ 4
12.2.3 Opening of false ceiling and suspension bolt _____________________________________ 4
12.2.4 Installation _______________________________________________________________ 5
12.2.5 Air Panels for Installation ____________________________________________________ 6
12.3 RCD (2-Way Cassette Type)_________________________________________________ 8
12.3.1 Factory-supplied accessories _________________________________________________ 8
12.3.2 Initial Check ______________________________________________________________ 8
12.3.3 Opening of False Ceiling and Suspension Bolt ___________________________________ 9
12.3.4 Installation _______________________________________________________________ 9
12.3.5 Air Panels for Installation ___________________________________________________ 10
12.4 RPC (Ceiling Type) _______________________________________________________ 12
12.4.1 Factory Supplied Accessories _______________________________________________ 12
12.4.2 Initial Check _____________________________________________________________ 12
12.4.3 Installation ______________________________________________________________ 12
12.5 RPI (In-the-Ceiling) _______________________________________________________ 15
12.5.1 Initial Check _____________________________________________________________ 15
12.5.2 Installation ______________________________________________________________ 15
12.5.3 Connecting Supply Duct ____________________________________________________ 16
12.5.4 Fix flexible duct to external faces of flanges_____________________________________ 16
12.5.5 Air suction direction change _________________________________________________ 16
12.6 RPK (Wall Type) _________________________________________________________ 17
12.6.1 Factory-supplied accessories ________________________________________________ 17
12.6.2 Initial Check _____________________________________________________________ 17
12.6.3 Installation ______________________________________________________________ 17
12.7 RPF (Floor Type) / RPFI (Floor Concealed Type) ________________________________ 19
12.7.1 Factory-supplied accessories ________________________________________________ 19
12.7.2 Initial Check _____________________________________________________________ 19
12.7.3 Installation ______________________________________________________________ 19
12.8 RAS (Outdoor Unit) _______________________________________________________ 21
12.8.1 Installation Location (5 to 10 HP) _____________________________________________ 21
12.8.2 Installation Space for Single Unit _____________________________________________ 21
12.8.3 Serial Units Installation _____________________________________________________ 22
12.8.4 Multiple Installation Space __________________________________________________ 24
12.8.5 Foundation Provision ______________________________________________________ 30
12.8.6 Dimensions of the Hood (Field-Supplied)_______________________________________ 32
12.9 Transportation and Installation of CH UNIT_____________________________________ 39
12.9.1 Transportation and Handling ________________________________________________ 39
12.9.2 Installation ______________________________________________________________ 39
12.10 Optional Accessories______________________________________________________ 42
12.10.1 Remote Sensor (THM-R2E) _________________________________________________ 42
12.10.2 Fresh Air intake for 4-Way Cassette Type Indoor Units ____________________________ 42
12.10.3 Branch Discharge Duct For 4-Way Cassette Type Indoor Units. _____________________ 43
12.10.4 Direction Air Flow For 4-Way Cassette Type Indoor Units. _________________________ 45
12.11 Outdoor Unit Drain-Kit (DBS-26) _____________________________________________ 46
UNITS INSTALLATION
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