Water Settings Configuration - Hitachi YUTAKI Series Installation And Operation Manual

UNIT CONTROLLER

7.8.2.3 Water settings configuration

This menu is only visible for a room thermostat if the controller is not controlling the unit.
Select the desired area to apply the water settings configuration:

Space Heating or Space Cooling water settings
Fixed temperature:
Selection of the temperature for
Circuit 1 or Circuit 2 (heating or
cooling mode).
• Only when water calculation
mode is Fix.
• Circuit 1 or Circuit 2 must be ON
to configure this setting.
Curve:
Selection of the gradient curve
for Circuit 1 or Circuit 2 (only for
heating mode).
• Only when water calculation
mode is Gradient.
• Range: 0.2 ~ 2.2
• Circuit 1 or Circuit 2 must be ON
to configure this setting.

DHW or Swimming pool water settings
95 PMML0510 rev.1 - 10/2019
Vertex offset:
To modify the curve vertex for Circuit 1 or
Circuit 2 (only for heating mode).
• Only when water calculation mode is
Gradient or Points.
• Range: -10 ~ 10
• Circuit 1 or Circuit 2 must be ON to
configure this setting.
Setting temperature:
Selection of the temperature for DHW or Swimming Pool.
• DHW or Swimming pool must be ON to configure this
setting
• Range:
- DHW: 30 ºC ~Max. setting temperature
- Swimming pool: 24 ~33 ºC