Common Heating/Cooling Household In Combination With Common; Dhw Production - Hitachi YUTAKI ATW-YCC-03 Installation And Operation Manual

4.4.4 Common Heating/Cooling household in combination with common

DHW production

This installation is suitable in case high amount of DHW is required at a specific setting
temperature.
When Cascade is generating water for DHW tank, production of hot or chilled water for Space
Heating/Cooling application is stopped until DHW production stops.
In this scenario, YUTAKI CASCADE CONTROLLER manage both DHW tank and Space Heating/
Cooling household :
• C1 and C2 management is performed by means of YUTAKI CASCADE CONTROLLER.
• C1 and C2 can have wired/wireless/none thermostats or any combination option.
• Installer shall determine proper usage of collector systems.
YUTAKI
1
YUTAKI
2
YUTAKI
n
UP to 8
Example for illustrative purpose
PMEN0581 rev.2 - 04/2023
DHW
ATW-YCC-03
E.HEATER
3WV DHWT TDHW
C1
BUFFER TANK
RECEIVER
ATW- RTU-07/08
CIRCUIT 1
SPACE HEATING/COOLING
CIRCUIT 2
SPACE HEATING/COOLING
4
PC-ARFH2E
Or
ATW- RTU-07/08
PC-ARFH2E
Or
ATW- RTU-06/09
30