Power Saving Function From Wired Controller; Power Saving Guide; Outdoor Unit Capacity Control - Hitachi UTOPIA RAS-4HVRP2E Service Manual

6 Optional functions
RAS-(4-6)H(V)(R/N)(C/P)2E

6.2.4 Power saving function from wired controller

6.2.4.1 Power Saving Guide

Press "ECO" button then the power saving guide will be displayed to support the setting. Easy access to the confirmation
and setting screen from the current setting status screen.

6.2.4.2 Outdoor Unit Capacity Control

The demand function setting can be controlled from wired controller. Select from "Peak Cut Control" and "Moderate
Control" according to the situation.
"Peak Cut Control" function
The peak cut control reduces the power consumption range when it exceeds the value of the power saving setting.
Morning
?
N O T E
• The power set value (%) is just a criterion. The power set value for this function is different from the actual power value in precision.
Use the demand controller (option) when it is necessary to manage the maximum power correctly.
• The cooling capacity will be decreased according to the power saving setting value for the reducing of compressor motor revolution.
• The actual electrical power consumption may be higher than the value displayed on the screen under certain operating condition such
as protective control.
• This function is used to inhibit power consumption of the operating. Do not use it for minimize the capacity of current and the voltage
for the power circuit, power source wiring, ELB, transformer, etc. It may cause actuation of interrupter and equipment fault.
"Moderate Control" function
The moderate control adjusts the air conditioning capacity not to exceeds the value of the power saving setting.
?
N O T E
• The moderate control setting value can be set from 40% to 100% of regular capacity by every 10%.
• The setting value is just a criterion. It might be different according to the actual service condition and operating condition.
140 SMGB0136 rev.0 - 07/2021
without
Power saving setting
Maximum capacity operation in power saving
set value range
Daytime
Operation time
without
Moderate control setting
Moderate control setting
Operation time
Power saving set value
It can be selected from
100%, 90%, 80%, 70%,
60%, 50% and 40%
of reference power
consumption.
Night