Hitachi RAS-4.0PNNBDH1 - Temperature Limit Setting for Wired Controller; Room Temperature Correction via Wired Controller

1. OPTION LIST
Parameter setting
(Only when there is no TIMER function, can this function be set.)
The wired controller room temperature display and limit set temperature can be revised if needed. Before setting, please check if
these parameters are enabled to be revised, for details, see Custom parameters.
1.Temperature limit setting
The temperature set point range is (16-30)℃ by default. You can change the range when needed. Take HCWA21NEHH for
example, in cooling mode, temperature adjustment range could be changed to (23-30)℃; in heating mode, it could be changed to
(16-28)℃. The temperature limit is only effective for the cooling and heating modes.
COOL
HEAT
Temp. limit setting (cooling mode) Temp. limit setting (heating mode)
SET
SET
11
2
3
4
5
Setting method:
” button for 3s to enter cooling temp. limit
setting mode.
Press “ ” or “ ” to adjust the lowest cooling temperature value.
Press “
Press “ ” or “ ” button to adjust the highest heating temp. value.
Press “ ” button to confirm the setting or wait for 30s, save the setting and exit.
How to quit:
” button to exit without settings. Press the “
During OFF conditions, press the “ ” or “ ” until icon “ ” appears, then press “
SET
SE
” button until heating mode appears, icon “ ” and temp. values will flicker on the display.
T
11
2
3
Setting method:
” button for 3s to enter parameter setting
During OFF conditions, press the “ ” or “ ” until icon “ RT ” appears, then press
mode.
Press “ ” or “ ” to adjust the room temperature value within an offset of ±20℃ of the current temperature.
Press “ ” button to confirm the setting or wait for 30s, save the setting and exit.
How to quit:
” button to exit without settings. Press the “
2.Room temperature correction
Room temperature correction
Setting room temperature correction is for particular cases (e.g. remote located at an area with different temperature than the
room) : wired controller is set to display room temperature, but the room temperature detected is different from the actual room
temperature, so setting correction is necessary.
Room temperature correction value
RT.
4