Operating Instructions

8
How to use
User
Enjoy quiet operation
Press .
• This operation reduces the noise of outdoor unit.
The operation may cause heating/
*
1
cooling ability to
decrease.
User
System status check mode
1
Press
.
(The display shows STATUS.)
2
Press
or to check the selected mode.
• Dry concrete (does not show during normal
operation)
• The Water Inlet Temperature
• Tank Temperature
• Compressor Running Frequency
• Error History
• Heat mode total power consumption (Up to 999 days)
• *
1
Cool mode total power consumption (Up to 999 days)
• Tank mode total power consumption (Up to 999 days)
• Press to exit the STATUS mode.
■ Note:
• Once the STATUS mode is entered, the display
shows STATUS.
• The STATUS mode cannot be activated when the
display shows SETTING.
• The total power consumption is an estimated value
based on AC 230 V and may differ from value
measured by precise equipment.
■ Note: In normal operation, the , and buttons are not in use.
User
Turn on or off the system
Press .
When the system is ON, the operation LED is lit and the
actual water outlet temperature and outdoor ambient
temperature are shown on the display.
User
Select operation mode
Press to select operation mode.
AUTO • Depending on the preset outdoor
temperature, the system selects HEAT or
*
1
COOL operation mode.
AUTO
+ TANK
• Depending on the preset outdoor
temperature, the system selects HEAT +
TANK or *
1
COOL + TANK operation mode.
HEAT • The outdoor unit provides heat to the
indoor unit.
HEAT
+ TANK
• The outdoor unit provides heat to the
sanitary water tank and indoor unit.
TANK • The outdoor unit provides heat to the
sanitary water tank.
COOL
+ TANK
• The outdoor unit provides cooling to the
indoor unit and heating to the sanitary
water tank.
COOL
• The panel is either turned ON or OFF.
• The outdoor unit provides cooling to the
indoor unit.
User
Initiate the backup heater
Press .
• The backup heater provides extra heat at low outdoor
temperature. The backup heater is possible only in the
heat mode.
• Once the backup heater is set, it is automatically
operated when conditions are fulfilled.
• To disable the backup heater, press
again.
The system is turned off by an external switch.
*
1,
*
2
*
1,
*
2
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