Hitachi RAM-200FPS, Инструкция по установке и обслуживанию

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電源開關器
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室外機電源
室外機電源
the inverter corresponding type earth leakage breaker (ELB) and the manual switch.
3) The transmission cable of the connection must be sure to connect the wiring with the same refrigerant cycle system of the unit. (On
the outdoor unit, the refrigerant piping is connected to the indoor unit, its transmission cable is also sure to connect the same indoor
unit.) Refrigerant piping and the transmission cable if connected with a different refrigeration cycle, there will be abnormal operation
occurred.
4) The transmission cable of indoor and outdoor unit and the transmission cable of the connection between indoor units (DC5V), use
2-core shielded twist pair cable (0.75mm2 above). At the same time, the total length must be at 1000m below.
5) The transmission cable of the connection, use 2 core wire. (Do not use more than the 3-core wire.)
6) Does Power supply voltage match the rating voltage within
±
10% Due to higher or lower voltage, the unit will be damaged.
7) Check the capacity of the electrical wires. If the power source capacity is too low, the system cannot be started due to the voltage
drop.
8) Indoor and outdoor unit is not grounded, electric shock and other accidents may be occurred, be sure to implement grounding
fortifications.
The grounding must use the grounding resistance 100Ω or less of three kinds of grounding fortification, make
construction by qualified electrical personnel.
9) To prevent electric shock accidents, in the electrical wiring, maintenance and other operations before to open the services cover,
please turn off power supply completely before implementation.
●Caution of indoor and outdoor unit connection wiring construction
：
The transmission cable of indoor and outdoor unit and the 220V power source cord, be sure to keep the distance of more than 5 ~
6cm. Therefore, do not use the coaxial cable.
If the transmission cable and power source cord connecting wrong, will cause the PCB of the outdoor unit burning, Please
pay special attention.
10) Indoor and outdoor unit's power source cord and connection wiring methods:
Wiring
Example
Transmission cable
specification is DC5V
(non-polar), please do not
over-voltage load
Power Source Cord
(Please correct wiring)
Earth Leakage Breaker (ELB)
and Power Switch
Earth Leakage Breaker (ELB)
and Power Switch
Power Supply of Outdoor Unit
Power Supply of Outdoor Unit
Indoor Unit Group
NO.0 NO.1 NO.2
NO.3
Outdoor Unit
Earth Wiring
Transmission cable
DC5V (non-polar)
Each the outdoor unit is to be set up
Earth Leakage Breaker (ELB)
and Power Switch
Earth Leakage Breaker (ELB)
and Power Switch
Outdoor Outdoor
Outdoor Outdoor
Indoor Indoor Indoor Indoor Indoor Indoor Indoor
Indoor Indoor Indoor Indoor Indoor Indoor Indoor
The indoor unit group which
connect the same outdoor unit.
The indoor unit group which
connect the same outdoor unit.
The indoor unit group which
connect the same outdoor unit.
The indoor unit group which
connect the same outdoor unit.
Earth Leakage Breaker (ELB) and Power Switch
Wrong content
：
Power supply terminal capacity is insufficiently.
Countermeasure
：
Each the outdoor unit set up earth leakage breaker (ELB)
and power switch.
Wrong content
：
The indoor unit wiring capacity is insufficiently.
Countermeasure
：
The indoor unit group which connect the same outdoor unit,
each group need to set up earth leakage breaker (ELB) and power switch.
Wrong content
：
Transmission abnormality
(alarm code
：
03)
Countermeasure
：
The outdoor unit connection
wiring with the indoor unit which
refrigerant cycle also connect
with the outdoor unit.