Kaisai KHY-12PY3, Руководство пользователя

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Marking Key functions
System Time Setting Button: Allows you to set the system time.
Mute Timer Button: When the device has a mute function, this button
allows you to enable time-based control for that function.
Power On/Off Timer Button: This button enables time-based control
for turning the device’s power on/off.
Warm Water Cir. Control. This function allows you to confi -
gure the operation of the circulation pump (if connected)
10. The functions of the Domestic Hot Water (DHW)
Depending on the connections made to the following pins on the main board, it is possible to
control additional components such as the circulation pump for hot water. In the system parame-
ters, parameter H40 should be configured according to the following assumptions.
0 – hot water pump
1 – the circulation pump for hot water.
2 – Off signal during defrosting.