Picking Up Operation Signal - Hitachi FSG Series Service Manual

4.1.7.

PICKING UP OPERATION SIGNAL

n Picking Up Operation Signal
This function is utilized to pick up the operation signal. By
this function, operation signal at a remote place can be
checked, or operation at the fresh air intake fan motor can
be interlocked. Connect wires as shown below. The
required parts are indicated Table 4. 3. Please note that the
contact of the auxiliary relay "RYa" is closed when this
operation signal is given.
CN6 Connector
3 Pin Connector Housing (JST-XHP-3)
Table 4. 3 Required Parts for Modification
Parts Name
OMRON made High Power Relay
Auxiliary Relay
Connector Cable PCC-1 (3P Connector Cable)
n Picking Up Alarm Signal
This signal is utilized to pick-up activation of safety devices.
However, this function is not available under abnormal
transmission conditions of the remote control switch.
Connect the wires as shown below. The required parts are
indicated in Table 4. 3. Please note that the contact of
auxiliary relay, RYa is closed when one of the safety
devices is activated.
CN7 Connector
3 Pin Connector Housing (JST-XHP-3)
PCB in Indoor Unit
Auxiliary Relay
Specifications or Model
Model LY2F DC24V
PCB in Indoor Unit
Auxiliary Relay
OPTIONAL FUNCTION
n Picking Up Heating Operation Signal (RPK-FSGM is
not available)
This function is utilized to pick up the heating operation
signal. The contact of RYa is closed when heating
operation signal is ON despite "Thermo-ON" or "Thermo-
OFF". Connect the wires as shown below.
* Connector
3 Pin Connector Housing (JST-XHP-3)
* Connector No.
CN8 RCD - FSG(E), RPF(I) - FSG(E)
CN21 RCI-FSGE, RPI-FSG(E), RPC-FSGE
n Picking Up "Thermo-ON" Signal during Heating
Operation (Only for RCD-FSG(E) and RPF(l)-FSG(E)
models)
This function is utilized to pick up the heating "Thermo-ON"
signal of compressor running to control a circulator or a
humidifier. Connect wires as shown below. The required
parts are indicated in Table 4. 3. The contact of RYa is
closed when "THERMOSTAT" is ON during heating
operation mode.
CN8 Connector
3 Pin Connector Housing (JST-XHP-3)
NOTE:
"Thermo-ON" indicates that one of the micro-computer
control function "THERMOSTAT" is ON as a
thermostat.
4
5
PCB in Indoor Unit
Auxiliary Relay
Indoor Unit
PCB in Indoor Unit
Auxiliary Relay