Hitachi YUTAKI Series User Manual

8.6.2.6 DHW
Available if Controller type (LCDM)= “Unit” or “Unit + Room”.
• Status
• Mode
• Control
• Setting Temperature
• Maximum Setting T
• Differential T
• HP OFF Differential T
• HP ON Differential T
• Maximum Time
• Cycle Time
• El.Heater Wait.Time
• Space Priority Status
• Space Priority T
• Anti Legionella
• Performance Test
REF Access Description
Default
Value
Range Steps Units Application
Notes
DHW S SC S80 M
DHWs Status Disabled Disabled / Enabled 1 - ○ ○ ○ ○ (*1)
DHWm Mode Standard Standard / High D. 1 - ○ ○ ○ ○ (*2)
DHWr Control H.Eff H.eff / H.Speed - - ○ ○ ○ ○ (*3)
TDHWS Setting Temperature 45 30 ~ (TDHWmax) 1 ºC ○ ○ ○ ○ (*2)(*)
TDHWmax Maximum Setting T 55 40~A 1 ºC ○ ○ ○ ○ (*2)
TDHWON Differential Temp 6 2~15 1 ºC ○ ○ ○ ○ (*4)
THPOFF HP OFF Differential T 5 3~10 1 ºC ○ ○ ○ ○ (*5)
THPON HP ON Differential T 10 5~30 1 ºC ○ ○ ○ ○ (*2)
TDHWMAXtime Maximum Time 45 OFF 5~250 5 min ○ ○ ○ ○ (*6)
DHWCDHW Cycle Time 1 0~24 1 hour ○ ○ ○ ○ (*7)
DHWEH El.Heater Wait Time 45 OFF- 1~60 1 min ○ ○ ○ ○ (*5)
SHPTs Space Priority Status Disabled Disabled / Enabled 1 - ○ ○ ○ ○ (*7)
SHPT Space Priority T -5 -20~0 1 ºC ○ ○ ○ ○ (*8)
DHWLEG Anti Legionella - - - - ○ ○ ○ ○ (*2)
? NOTE
• (*1): “Enabled” if default in case of YUTAKI S COMBI or S80.
• (*2): If Status (DHWs)= “Enabled”.
• (*3): If Status (DHWs)= “Enabled” and Mode (DHWm)= “Standard”, it is forced to “H.Speed” when Mode (DHWm)= “High.D”.
• (*4): If Status (DHWs)= “Enabled” and Mode (DHWm)= “High.D”.
• (*5): If Status (DHWs)= “Enabled” and DSW4-3: ON.
• (*6): If Status (DHWs)= “Enabled” and Mode (DHWm)= “High D.” and Control (DHWr)= “H.Speed”.
• (*7): If Status (DHWs)= “Enabled” and Mode (DHWm)= “Standard”.
• (*8): If Status (DHWs)= “Enabled” and Mode (DHWm)= “Standard” and Space priority status (SHPTs)= “Enabled”.
• (*) Refer to the table:
Model
YUTAKI S & COMBI YUTAKI S80 YUTAKI M
(2.0-3.0)HP REST (4.0-6.0)HP 3HP REST
A 50 ºC (1) 55 ºC (1) 75 ºC (2) 50 ºC (1) 55 ºC (2)
- (1): 75ºC when DHW tank’s heater is enabled (DSW4-3: ON) or Combination mode (BOCM)= “Parallel” and DHW by boiler (BODHW)
“Enabled” in “Boiler combination” option of the “Complementary heating” menu.
- (2): If the conditions of (1) are not satised and the R-134a compressor is disabled (DSW4-1: ON) the setting must be 55 ºC.
UNIT CONTROLLER
PMML0335A rev.1 - 04/2016
150

Hitachi YUTAKI Series Specifications

General

Heating Capacity	5.0 kW - 16.0 kW
Cooling Capacity	5.0 kW - 16.0 kW
Energy Efficiency Class	A+++
Refrigerant	R32
Operating Temperature Range (Cooling)	46°C
Noise Level (Indoor Unit)	45 dB
Noise Level (Outdoor Unit)	45 dB