Hitachi RCD-0.8FSN3 Installation And Operation Manual page 33

ELECTRICAL WIRING
N O T E
Terminal blocks
PCB
D A N G E R
Turn OFF the power supply when handling the service connector.
Otherwise, it may cause an electric shock.
17 ELECTRICAL WIRING
D A N G E R
• The electrical wiring work must be performed by authorized
• Perform the electrical work according to each regulation of
region and Installation and Operation Manual, and the dedicated
electrical circuit must be used. If not performing the electrical
wiring work completely or a capacity shortage of the power
•
indoor units. Selecting incorrect cables will cause an electric
• Install an ELB (Earth Leakage Breaker) and CB (Circuit Breaker)
in the power source. Failure to do so may lead to electric shock
• Turn OFF the main power switch of the indoor unit and the
outdoor unit before an electrical wiring work or a periodical
• Check to ensure that the indoor fan and the outdoor fan have
stopped before electrical wiring work or a periodical check is
performed.
• Protect the wires, drain pipe, electrical parts, etc. from rats
or other small animals. If not protected, rats may gnaw at
• Tighten screws according to the following torque:
M3.5: 1.2 N-m
M4: 1.0 to 1.3 N-m
• Connect earth wires for the outdoor / indoor unit to prevent an
electrical shock or an unexpected accident. The earth resistance
must be less than 1 megohm. The earth work must be performed
by authorized installers.
• Turn completely OFF the power source to prevent an electrical
shock when opening the service cover to perform the electrical
work or the maintenance.
• Pay attention not to bite electrical wirings when attaching the
25 PMML0416A rev.0 - 12/2015 - P5415720
Drain-up mechanism
Service connector
(Marked with green)
6 Insulate the drain pipe connection and the drain hose after
connecting them with gaskets. If improperly insulated, dew
condensation will occur.
Completely wrap up to cover the
transparent area of the drain pipe end
connection and the hose band
C A U T I O N
•
•
•
•
N O T E
(mm)
Hose band (Accessory)