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AquaFREE OPERATION
7. AquaFREE OPERATION
7.1. OPERATION SWITCHES LOCATION
Ë
NOTE:
- The fixed red lamp led indicates the unit is running properly.
7.2. INDICATIONS WHEN ABNORMAL CONDITION
¡
Abnormality
The RUN indicator (Red) flickers.
−
ALARM is indicated on the liquid crystal display.
−
The indoor unit number, the alarm code and the model code
−
are indicated on the liquid crystal display.
Check the contents of the indications and contact your
−
service contractor of HITACHI.
¡
Power Failure
All the indications are OFF.
−
Once the unit is stopped by power failure, the unit will not
−
be started again although the power recovers. Perform the
starting procedures again.
In case of instantaneous power failure within 2 seconds, the
−
unit will be started again automatically.
¡
Electric Noise
There could be a case that all the indications are OFF and
−
the unit is stopped. This is occurred by the activation of the
micro computer for the unit protection from the electric noise.
PMML138A_R1-eng-fre.indb 16
Ê
Manometer
Manometer to control the Water Outlet Pressure.
Ê
ON/OFF Switch
O: OFF
I: ON
Allows disconnecting electrically the indoor unit and stop
the out door unit. In case of frequent use of the unit, this
switch will maintain in ON position and the unit will be
switched ON/OFF using the switch on the thermostat.
Ë
Operation Mode Switch
Allows to change working mode (Heating/Cooling) of the
unit .
This must be the same as the mode indicated on the
thermostat.
ON/OFF Electric Heater Operation (only for Heater
models
)
O: OFF
I:
ON
Allows to enable the complementary electrical
resistances. If switch is in ON position, the electrical
resistances can be connected for regulation.
SWIMMING POOL Mode Switc
O: OFF
I:
ON
Allows to enable the swimming pool mode.
DOMESTIC HOT WATER Mode Switch
O: OFF
I:
ON
Allows to enable the Domestic Hot Water mode.
Liquid Crystal Display
Cooling Mode:
Run Indicator
(Green lamp)
Indicated for
a second for
alternately
PMML0138A-rev.1 - 11/2009
h
Heating Mode:
Run Indicator
(Green lamp)
Alarm code
Alarm code
16
19/11/2009 14:44:31
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