Nominal Heating Capacity Stable At Low Outdoor Ambient Temperatures; Adaptability To The Customer's/System Needs; Wide Range Of Accessories - Hitachi YUTAKI S80 Series Technical Catalogue

2. Features and benefits

2.2.6 Nominal heating capacity stable at low outdoor ambient temperatures

The YUTAKI S80 system is able to keep the heating capacity stable at low outdoor ambient temperatures, even for high
water outlet temperatures. Therefore, the use of a water electric heater or boiler is highly reduced.
Nominal heating
capacity (kW)

NOTE:
Water inlet / outlet temperature: 55/65 ºC

2.2.7 Adaptability to the customer's/system needs

Depending on the type of heating installation system (existing or new) and the user's needs, the most suitable system for
each situation can be chosen.
There are three main heating system configurations:
• Mono-valent systems
• Mono-energy systems
• Parallel bi-valent systems (For boiler combination)
Selecting the different configuration types it is possible to adapt the system to all customer requirements, providing a wide
application range from the simplest configuration to complete configuration, as shown below:
Radiator/(fan coil), heating floor or both (2nd temperature area). Also combinable with the following options:
- Domestic Hot Water (DHW)
Use of electric heater or boiler for low ambient temperature conditions.
-
- Solar combination for DHW (not compatible with integrated tank over indoor unit).

2.2.8 Wide range of accessories

In order to enable all the possible system configurations explained previously, there are available a large set of accessories
designed to adapt the unit to the type of installation which the system needs.
N O T E
For knowing the different accessories that offers the system, please refer to the section
chapter General information.
26
TCGB0075 rev.0 - 11/2012
Outdoor ambient
temperature (ºC)
Accessory code list on