Optional Functions - Hitachi KPI-502E1E Installations- Und Betriebshandbuch

INSTALLATION AND OPERATION MANUAL
14

CAUTION
Press switches only with fingers.
Do not press switches by any other item, as it may damage the
switches.
Do not touch the CHECK switch. This switch is only for servicing.
If touched, press the CHECK switch again to reset.
Temperature setting

When the TEMP switch is pressed, temperature increases by 1
degree. The minimum setting indication is 17°C and the maximum
setting indication is 30°C.
Set an Actual Temperature

The set temperature is for the air temperature at the sensor
(thermistor) of the indoor unit.
The actual room temperature may be different from the air
temperature of the sensor due to the difference of the sensing
location.
Touching Type Switches

This control switch is the touching type. Slightly press the switch
by finger. The operation can be checked by the display of the liquid
crystal.
Multiple-unit Control

16 indoor units, as the maximum number, can be controlled by one
remote control switch. Refer to the installation manual for Remote
Control Switch.

NOTE:
The chapter 5 shows all the indications for easy understanding.
Therefore, during normal operation, only some of them are
indicated in the Liquid Crystal Display Section.

5.1.2. OPTIONAL FUNCTIONS

The following optional functions as shown in next table are available by setting of PC-P2HTE. Contact your distributor or dealer of HITACHI for the
detailed information.
Item Optional functions
Ventilation mode
e1
Increasing Supply Air
e2
Volume
Precooling/Preheating
e4
Period
5.1.1. OPERATION PROCEDURE FOR VENTILATION

ATTENTION
This function is available only when the total heat exchanger is
connected.
If the procedures below are performed when the total heat
exchanger is not connected, the NO FUNCTION indication blinks
for 5 seconds.
Ventilation

Press the VENTI switch
By repeatedly pressing the VENTI switch, the indication changes
from A/C through VENTI and A/C+VENTI, in that order.
(The figure shows the A/C + VENTI setting).

NOTE:
Contact your distributor or HITACHI dealer for detailed information.
If the mode is changed to VENTI during individual operation of the
air conditioner, the air conditioner will stop.
If the mode is changed to A/C during individual operation of the
total heat exchanger, the total heat exchanger will stop
Setting
Contents
condition
00 Automatic Ventilation
Ventilation using the total
01
heat exchanger
Bypass Ventilation
02
(No Total Heat Exchanger)
00 Not activated
01 Activated
00 0 minutes
01 30 minutes
02 60 minutes
Indication Content
This function is used to set the ventilation
mode of the total heat exchanger.
This function is used to make the room
pressure higher than the surrounded room
This function delays the start up of the unit