Aisin YOSHI AWS E1J TWIN, Installation Manual, Page: 44 / 60

44
The YOSHI AWS control panel is represented below.
In case of AISIN GHP outdoor unit malfunction, the error code will be displayed on the remote
controller fitted in the YOSHI AWS control panel. Check the failure type on the AISIN GHP
installation manual.
The water thermostat factory settings are:
- COOL mode: T set cool = 8°C
- HEAT mode: T set heat = 44°C
The YOSHI AWS has the following safety built in devices:
-
Pressure difference switch:
the AISIN GHP outdoor unit stops in case of missing pressure
difference between inlet and outlet of the pump.
-
Flow switch:
the AISIN GHP outdoor unit stops in case of insufficient water flow in the primary
circuit.
-
Antifreeze thermostat:
In the summer the AISIN GHP outdoor unit stops in case of water
temperature in the primary circuit below +5°C. In the winter the pump is started when the water
temperature is below +5 °C and, if necessary, also the GHP is started.
WARNING
•
NEVER change the safety factory settings.
Failure to observe this prescription makes the
warranty no longer valid and could result in malfunction and/or damage to the unit.
•
NEVER disconnect or bypass the YOSHI AWS built in safety devices for a forced
operation of the unit.
Failure to observe this prescription makes the warranty no longer valid
and could result in malfunction and/or damage to the unit.
•
NEVER change the factory settings of the AISIN remote controller fitted in the control
panel.
Failure to observe this prescription could result in malfunction and/or damage to the unit.
•
NEVER switch on the power supply before the final commissioning is performed by the
AISIN Authorised Service Centre.
Failure to observe this prescription makes the warranty no
longer valid and could result in malfunction and/or damage to the YOSHI AWS unit.
•
Some operation parameters of the YOSHI AWS can be changed under request to the
AISIN Authorised Service Centre.
Failure to observe this prescription makes the warranty no
longer valid.
•
In case of multiple units installations it is possible to manage a proportional distribution
of the capacity by an external optional device.
•
The main screen of the YOSHI control panel always displays the primary circuit return
temperature.
Supply temperature can be displayed in the service menu under analogue inputs
folder.
9 Control panel