Vivax HPS-41CH120AERI/O3 R410a User Manual page 162

ENG
Fast DHW
The FAST DHW function is used to force the
system to operate in DHW mode.
The heat pump and the booster heater or
addition heater will operate for DHW mode
together.
Go to MENU> DOMESTIC HOT WATER >FAST
DHW.
Press "OK"
Use "ON/OFF" key to select ON or "OFF".
INFORMATION
If CURRENT STATE is OFF, the FAST DHW is
invalid, and if CURRENT STATE is ON, the
FAST DHW function is effective.
The FAST DHW function is once effective.
TANK Heater
The tank heater function is used to force the
tank heater to heat the water in tank. In the
same situation, the cooling or heating is
required and the heat pump system is
operating for cooling or heating, however
there still is a demand for the hot water.
TANK HEATER function can be used to heat
the water in tank.
Also, even if the heat pump system fails,
TANK HEATER can be used to heat water in
tank.
Go to ''MENU'' > ''DOMESTIC HOT WATER''
> ''TANK HEATER''.
Press OK.
Use ''ON/OFF'' to select ON or OFF.
Use ''BACK'' to exit.
If TANK HEATER is effect, the following page
will appear.
If CURRENT STATE is OFF, TANK HEATER is
invalid.
If the T5 (sensor of tank) is fault , tank
heater can't work.
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VIVAX
INFORMATION