Hitachi KPI Installation And Operation Manual page 28

Simultaneous operation (Set-Free+Energy recovery ventilation unit -KPI-)
¡
Example for PC-ART
RSW1 DSW6

NOTE:
Set the number by using the rotary switch (RSW) on the PCB in the indoor units and the KPI.
−
Firstly set the unit number for the indoor unit and secondly set the unit number of the KPI. The unit number of the KPI should be larger than the
−
unit number of the indoor unit.
13.7.2 SETTING OF DIP SWITCHES
DSW3: CO sensor installation
¡
2
If a CO sensor is
2
installed with the unit,
Setting before shipment
setting of the dip switch
is required. Please
refer to Hitachi indoor
units Service Manual
SMGB0063 for further
information about the
installation of the CO
CO
2
sensor.
DSW4: Optional settings
¡
Setting before shipment
Fixed high speed
Please,
refer to
point 5.2 on
this manual
High ventilation after switching on
for further
information
Fan stoppage delay
(electrical heater)
Air volume increasing

CAUTION
Turn OFF all power sources before setting the dip switches. Without
turning OFF. the switches would not work and the contents of setting
would be invaled.
28
PMML0185 rev.1 - 03/2010
RSW1
PC-ART
DSW8
sensor installed
2
DSW4
DSW6
DSW6 and RSW1: Unit Nº setting
¡
The below figure indicates the position before shipment
OFF
DSW6
Here is set DSW6 and RSW1 before shipment up to 63 can be set
OFF
Ex. Setting nº16
Nº 1 PIN is ON
DSW7: Fuse recover
¡
OFF
In case of applying high voltage to the terminal 1,2 of
TB1, the fuse on the PCB1(M) is cut. In such a case,
firstly correct the wiring to TB1 and then turn ON #1 (as
showing beside)
OFF
DSW5 and RSW2: Refrigerant Cycle No Setting
¡
Setting is
required. Setting
OFF
position before
shipment
Ex. Setting 5 system
OFF
OFF
All pins are OFF
DSW8: Not used. No setting is required
¡
Setting before shipment
INSTALLATION
RSW1 DSW6
Indication
Use flathead driver
DSW5
Here is set DSW5 and RSW2 before shipment up to 63 can be set
RSW1
RSW1
Fix to 6
RSW2
RSW2
Fix to 5
DSW8
OFF