Hitachi YUTAKI S Series Installation And Operation Manual

56
PMEN0643 rev.0 - 04/2023
7
REMOVING THE COVERS
MAINTENANCE
4 Fix the indoor unit service cover using the screw which had been previously removed during the
unpacking procedure.
(x2) Both sides
7.1.1 Test and check
Finally, test and check the following items:
• Water leakage
• Refrigerant leakage
• Electrical connecon
• ...
 NOTE
Please refer to the chapters of “5.2.3 Refrigerant charge”, “5.3.3.1 Water lling” and “Commissioning”
in this document and refer the Outdoor unit Installaon and Operaon manual for the specic details
about refrigerant charge tasks.
! DANGER
Do not connect the power supply to the indoor unit prior to lling the space heang circuit (and
DHW circuit if it were the case) with water and checking water pressure and the total absence of
any water leakage.

Hitachi YUTAKI S Series Specifications

General

Type	Air-to-Water Heat Pump
Refrigerant	R410A
Cooling Capacity	2.5 - 16 kW
Operating Temperature Range (Cooling)	46°C
Indoor Unit Dimensions	Varies by model
Outdoor Unit Dimensions	Varies by model
Noise Level	Varies by model