9 Electrical and control settings
General check
TCGB0123 rev.2 - 10/2019
108
9.1 General check
• Make sure that the following conditions related to power supply installation are satised:
- The power capacity of the electrical installation is large enough to support the power demand of the YUTAKI
system (outdoor unit + indoor unit + DHW tank (if apply)).
- The power supply voltage is within ±10% of the rated voltage.
- The impedance of the power supply line is low enough to avoid any voltage drop of more than 15% of the rated
voltage.
• Following the Council Directive 2004/108/EC, relating to electromagnetic compatibility, the table below indicates
the Maximum permitted system impedance Z
max
at the interface point of the user’s supply, in accordance with
EN61000-3-11.
Split system - Outdoor unit
Model Power supply Z
max
(Ω)
RAS-2WHVRP
1~ 230V 50Hz
-
RAS-2.5WHVRP -
RAS-3WHVRP 0.43
Split system - Indoor unit
YUTAKI S
Model Power supply Operation mode Z
max
(Ω)
RWM-(2.0-3.0)NRE(-W) 1~ 230V 50Hz
Without electric heaters -
With electric heater -
With DHW tank heater -
With electric and DHW tank heaters 0.26
? NOTE
• The data corresponding to DHW tank heater is calculated in combination with the domestic hot water tank accessory
“DHWT-(200/300)S-3.0H2E”.
• In case of three phases connection, Z
max
is not considered.
YUTAKI S COMBI
Model Power supply Operation mode Z
max
(Ω)
RWD-(2.0-3.0)
NRW(S)E-(200/260)S(-K)(-W)
1~ 230V 50Hz
Without electric heaters -
With electric heater -
With DHW tank heater -
With electric and DHW tank heaters 0.28
Monobloc system - YUTAKI M
Model Power supply Operation mode Z
max
(Ω)
RASM-2VRE
1~ 230V 50Hz
- -
With DHW tank heater 0.30
RASM-3VRE
- 0.43
With DHW tank heater 0.24
? NOTE
The data corresponding to DHW tank heater is calculated in combination with the domestic hot water tank accessory “DHWT-(200/300)S-3.0H2E”.
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