Hitachi YUTAKI S COMBI Series Installation And Operation Manual

50
PMEN0645 rev.0 - 04/2023
6
TERMINALBOARDCONNECTIONS
ELECTRICAL AND CONTROL SETTINGS
◆ Smart tari (Default for input 5)
This funcon can be used to block or limit the heat pump. It allows an external Smart switch device
to switch o or limit the heat pump during a period of peak electricity demand. Terminals 16 and
19 of the TB2.
T
T
Common
Line
Smart F.
Input 5
16 19
◆ DHW boost (Default for input 6)
This funcon allows a request for a one‑me heang up of the domesc hot water temperature.
The input can be sent by a push buon, a NC contact and a NO contact. This input is switched on
terminals 16 and 20 of the TB2.
Common
Line
DHW Boost
input 6
16 20
◆ Power Meter (Default for input 7)
This funcon is used to monitor real consumpon of the system by means an external power
meter device connected at this input. The calculaon method is done by measuring real
consumpon of the whole installaon with one power meter device or 2 separate power meter
(one for indoor unit and another one for outdoor unit).
Common
Line
Power M.
input 7
16
21

Hitachi YUTAKI S COMBI Series Specifications

General

Type	Air-to-Water Heat Pump
Energy Efficiency Class (Cooling)	A++
Refrigerant	R32
Operating Temperature Range (Heating)	-20°C to 35°C
Energy Efficiency Class (Heating)	A+++
Integrated DHW Tank	190 liters
Dimensions (Indoor Unit)	Varies by model
Dimensions (Outdoor Unit)	Varies by model
Weight (Indoor Unit)	Varies by model
Weight (Outdoor Unit)	Varies by model
Operating Temperature Range (Cooling)	+10°C to +46°C