Introduction - Hitachi YUTAKI ATW-YCC-03 Installation And Operation Manual

1.5 Introduction

The YUTAKI CASCADE CONTROLLER is designed as an extension of the hydraulic control of YUTAKI
range to establish a larger and efficient heating or cooling system.
When YUTAKI CASCADE CONTROLLER function is active, system separate water generation (hot or
cold) from water distribution and consumption.

NOTE
Water generation and water distribution and consumption are generic names, specific input and
output distribution is explained below.
Water generation is performed on YUTAKI Sub units, and water distribution and consumption is
done on Main YUTAKI CASCADE CONTROLLER unit.
YUTAKI CASCADE CONTROLLER
• is a central control device capable to control Sub units that produce hot or cool water.
• is capable to control up to 8 YUTAKI indoor units.
• allows to control the following heating indoor unit models:
✓ YUTAKI S (from 4 to 10 HP)
✓ YUTAKI S COMBI (from 4 to 6 HP)
✓ YUTAKI M (from 4 to 7HP)
✓ YUTAKI Hydrosplit + YUTAKI H (from 4 to7HP)
✓ YUTAKI Hydrosplit + YUTAKI H Combi (from 4-7 HP)
PMEN0581 rev.2 - 04/2023
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