37
PMEN0645 rev.0 - 04/2023
6
ELECTRICAL CONNECTION
ELECTRICAL AND CONTROL SETTINGS
6.2.2 Minimum requirements of the protecon devices
! CAUTION
• Ensure specically that there is an Earth Leakage Breaker (ELB) installed for the units (outdoor
and indoor unit).
• If the installaon is already equipped with an Earth Leakage Breaker (ELB), ensure that its rated
current is large enough to hold the current of the units (outdoor and indoor unit).
NOTE
• Electric fuses can be used instead of magnec Circuit Breakers (CB). In that case, select fuses
with similar rated values as the CB.
• The Earth Leakage Breaker (ELB) menoned on this manual is also commonly known as Residual
Current Device (RCD) or Residual Current Circuit Breaker (RCCB).
• The Circuit Breakers (CB) are also known as Thermal-Magnec Circuit Breakers or just Magnec
Circuit Breakers (MCB).
◆ Split system - Indoor unit
YUTAKI S Combi
Model Power supply
Applicable voltage
Operaon mode
MC
(A)
CB
(A)
ELB
(number of
poles/A/mA)
U max
(V)
U min
(V)
RWD‑(1.5‑3.0)RW2E‑220S(‑K)
~ 230V 50Hz 253 207
Without electric heaters 0.6
5
2/40/30
With electric heater 13.7
16
With DHW tank heater 12.6
16
With electric and DHW tank heaters 25.6
32
3N~ 400V 50Hz 440 360
Without electric heaters
0.6
5
4/40/30
With electric heater 8.7 10
With DHW tank heater 12.6 16
With electric and DHW tank heaters 12.6 16
RWD‑(2.0‑3.0)RW2E‑220S‑6H
~ 230V 50Hz 253 207
Without electric heaters 0.6
5
2/40/30
With electric heater 26.7
32
With DHW tank heater 12.6
16
With electric and DHW tank heaters 38.7
50 2/63/30
3N~ 400V 50Hz 440 360
Without electric heaters 0.6 5
4/40/30
With electric heater 17.3 20
With DHW tank heater
12.6
16
With electric and DHW tank heaters 17.3 20
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