Mitsubishi Electric EHWT17D-MHEDW Installation Manual page 43

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5
System Set Up
<[Auxiliary settings]>
This function is used to set the parameters for any auxiliary parts used in the system
Menu subtitle
Function/ Description
Economy settings
Water pump stops automatically a specified period of time from
for pump
when operation is finished.
Delay
Time before pump switches off*1
Electric heater
To select "WITH booster heater (ON)" or "WITHOUT booster
(Heating)*4
heater (OFF)" in Heating mode.
Delay
The minimum time required for the booster heater to turn ON
after Heating mode has started.
Electric heater
To select "WITH (ON)" or "WITHOUT (OFF)" booster heater or
(DHW)
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
Running
Period from valve fully open (at a hot water mixing ratio of 100%)
valve
to valve fully closed (at a cold water mixing ratio of 100%)
control
Interval
Interval (min) to control the mixing valve.
*2
Flow
Minimum The minimum flow rate to be detected at flow sensor.
sensor
Maximum The maximum flow rate to be detected at flow sensor.
*3
*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.
Auxiliary settings menu screen
en
42

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