Hitachi PSC-A1T Technical Catalogue

4 Individual remote controls
PC-ART
TCGB0106 rev.0 - 12/2014
144
Fd Heating Upper Limit for Setting Temperature
This function is used to limit the highest setting temperature for HEAT operation. When this function is valid, it provides
the adequate heating operation and energy-saving effect. The setting conditions and the heating upper limit for the setting
temperature are as follows:
Example
Setting Temperature at Remote Control Switch
Available to Set Temperature
Not Available to
Set Temperature
Factory-Setting: “00”
(Lower Limit 30-0=30 ºC)
Setting Condition: “09”
(Lower Limit 30-9=21 ºC)
Available to Set Temperature
Setting Condition Details Setting Temperature Upper Limit (HEAT) *
00 Standard Value 30 ºC
01 Upper Limit -1 ºC 29 ºC
02 Upper Limit -2 ºC 28 ºC
Omitted 03 to 08
.
.
.
.
.
.
09 Upper Limit -9 ºC 21 ºC
10 Upper Limit -10 ºC 20 ºC
* In case of Standard Unit
FE Not Prepared
FF Lock function for ON/OFF timer.
This function is utilised when activation of timer must to be blocked.
When this function is valid, timer cannot be activated or deactivated.
H1 Maintenance alarm.
This function is used in order to display or not the maintenance alarm.
When this function is “01”, maintenance alarm will not be displayed.
H2 No automatic control indication.
This function is used in order to display or not the no automatic control indication.
When this function is “01”, no automatic control indication will not be displayed.
H3 Operation mode change restriction.
This function is used in order to congure retrictions about the operation mode change action.
When this function is “00”, the operation mode change is disabled.
When this function is “01”, the operation mode change is only allowed from central control unit and mode FAN.
When this function is “02”, there are no restrictions.
H4 Ventilator changeover.
This function is only available with total heat exchanger.
The function is used in order to congure the changeover.
When this function is “00”, the ventilation changeover works with air conditioning only.
When this function is “01”, the ventilation changeover works with ventilation only.
When this function is “02”, the ventilation changeover works with air conditioning and ventilation.

Hitachi PSC-A1T Specifications

General

Brand	Hitachi
Model	PSC-A1T
Category	Controller
Language	English