Space Heating / Space Cooling Configuration - Hitachi YUTAKI RWM-2R1E Installation & Operation Manual

YUTAKI CASCADE CONTROLLER ATW-YCC-03

11.13.3.4 Space Heating / Space Cooling configuration

Control the temperature for Space Heating or Space Cooling by configuring the following parameters.
Water calculation mode:
Selection of the water set point for
Circuit 1 or Circuit 2 (Space Heating
or Space Cooling).
• Deactivated
• Points
• Gradient (only in heating mode)
• Fix
See detailed explanation below.
Eco Offset Water setting:
Configure the offset water
temperature for the ECO mode for
Space Heating or Space Cooling.
By using this function, current water
temperature setting is reduced by
the indicated parameter.
• Range: 0 ~ 10
294 PMML0575 rev.2 - 03/2022
Working Limits:
Limit for the temperature set-point to prevent
high or low temperatures at Space Heating
or Space Cooling:
• Maximum supply temperature
• Minimum supply temperature
Mixing valve:
To control the second water temperature (only for
circuit 2).
Values are adjusted for the use with the 2nd zone
mixing kit accessory ATW-2KT-05. It is highly
recommended not to change these values.
In case of using a mixing kit different from the
ATW-2KT-05 configure the following parameters:
• Proportional band: 0~20K (6.0 K by default).
• Integral reset factor: 0.0~20% (2.5 % by default).
• Running time factor: 10~250 sec (140 sec by
default).
• Over temperature offset protection: OFF, 3~10ºC (5
ºC by default).