Considerations - Hitachi YUTAKI S Series Installation And Operation Manual

3.1

Considerations

Key words:
• U: Power supply.
• PH: Phase.
• IPT: Total input power.
• STC: Starting current: Less than maximum current.
• RNC: Running current.
• MC: Maximum current.

NOTE
• Heating conditions: Inlet/outlet water temperature: 30/35 °C ; Outdoor ambient temperature
(DB/WB): 7/6 °C
• The compressor data shown in the tables below are based on a combined capacity of 100% of
the power supplied.
• The "Maximum current" shown in the above table is the maximum total unit running current at
the following conditions:
» Supply voltage: 90% of the rated voltage.
» Unit capacity: 100% at maximum operating conditions.
• The power supply cables must be sized to cover this maximum current value.
• Specifications in these tables are subject to change without notice in order that Hitachi may
bring the latest innovations to their customers.
• Please refer to the general information, cautions and notes regarding protective devices (CB,
ELB) throughout the
PMEN0643 rev.0 - 04/2023
"Electrical and control settings" chapter.
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