Hitachi RPC-4.0FSR - INDOOR UNIT INSTALLATION

12 INDOOR UNIT INSTALLATION
! DANGER
• Do not perform installation work, refrigerant piping work, drain
pumping, drain piping and electrical wiring connecting work
without referring to the installation manual. If the instructions
are not followed, it may result in a water leakage, an electric
shock, a re and an injury.
• Do not put any foreign material into the indoor unit and check to
ensure that no foreign material exists in the indoor unit before
installation and the test run. Otherwise, a re or failure, etc may
occur.
• Do not install the indoor unit in a ammable environment to
avoid re or an explosion.
• The refrigerant used in each unit is identied on the specication
label and manuals of the unit. Hitachi shall not be held liable
for any failure, trouble, malfunction or accident caused by units
illegally charged with refrigerants other than the specied one.
• Select a sufciently strong installation location. If not, the unit
may fall down and it may lead to injuries.
• Do not install the indoor unit outdoors. If installed outdoors, an
electric hazard or electric leakage will occur.
• This unit is exclusive non electrical heater type indoor unit. It is
prohibited to install an electrical heater in the eld.
• Do not mix refrigerant R410A and refrigerant R32.
12.1 FACTORY-SUPPLIED ACCESSORIES
Check to ensure that the following accessories are packed with
the indoor unit.
The hose clamp, screws, washers and cord clamps are put in
the pipe insulation.
? NOTE
• If any of these accessories are not packed with the unit, please
contact your contractor.
• The remote control switch, the branch pipes and the transition wires
are optional accessories which are not included with the indoor unit.
Accessory Q'ty Purpose
Suspension bracket 2 For mounting indoor unit
Washer 8 For suspension bracket
Pipe insulation
(large)
1
For refrigerant piping connection
Pipe insulation
(small)
1
Cord clamp
(large)
6 For xing insulation
Cord clamp
(small)
1 For xing plug
Drain hose 1 For connection drain pipe
Hose clamp 2 For connecting drain hose
Insulation 2 For drain hose connection
Installation and operation manual 1 -
INDOOR UNIT INSTALLATION
PMML0551 rev.4 - 07/2023 - A10762310A
13
EN