System Set Up
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Auxiliary settings menu screen
<[Auxiliary settings]>
This function is used to set the parameters for any auxiliary parts used in the system
Menu subtitle
Function/ Description
Economy settings
for pump
Water pump stops automatically a specified period of time from
when operation is finished.
Delay
Time before pump switches off*1
Electric heater
(Heating)*4
To select "WITH booster heater (ON)" or "WITHOUT booster
heater (OFF)" in Heating mode.
Delay
The minimum time required for the booster heater to turn ON
after Heating mode has started.
Electric heater
(DHW)
To select "WITH (ON)" or "WITHOUT (OFF)" booster heater or
immersion heater individually in DHW mode.
Delay
The minimum time required for the booster heater or immersion
heater to turn ON from after DHW mode has started. (This setting
is applied for both booster and immersion heater.)
Mixing
valve
control
*2
Running Period from valve fully open (at a hot water mixing ratio of 100%)
to valve fully closed (at a cold water mixing ratio of 100%)
Interval
Interval (min) to control the mixing valve.
Flow
sensor
*3
Minimum
The minimum flow rate to be detected at flow sensor.
Maximum
The maximum flow rate to be detected at flow sensor.
*1. Decreasing "time before pump switched off" may increase the duration of stand-by
in heating mode.
*2. Set the running time according to the specifications of the actuator of each mixing
valve.
It is recommended to set the interval to 2 minutes that is a default value. With the
interval set longer, it could take longer to warm up a room.
*3. Do not change the setting since it is set according to the specification of flow
sensor attached to the heat pump unit.
*4. If booster heater equipped, the function is activated.
<[Heat source setting]>
The default heat source setting is heat pump and all electric heaters present in the
system to be operational. This is referred to as standard operation on the menu.
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