Danfoss – 27VUBMA102
3.2.6 Sub-menu OPERAT.TIME, DHP-A
This menu is specific to DHP-A.
In the OPERAT.TIME menu you are able to view the
operating time of the installation. Operating times
cannot be reset but are accumulated during the
service life of the heat pump. The control computer
calculates the operating time in minutes but only
complete hours are shown in the display.
Menu text Description Adjusted by:
HEATPUMP Shows the total time in hours that the
heat pump has been in operation since
installation. The number of operating
hours includes the time for both heat
production and hot water production.
Not adjustable
ADD. HEAT 1 Shows the total time in hours that the
auxiliary heater (3 kW) has been in opera-
tion since installation.
Not adjustable
ADD. HEAT 2 Shows the total time in hours that the
auxiliary heater (6 kW) has been in opera-
tion since installation.
Not adjustable
ADD. HEAT 3 Showsthe total time in hours that the
auxiliary heater (6 kW) has been in opera-
tion since installation.
Not adjustable
HOT WATER Shows a part of the time that is included
in the HEAT PUMP value. The number
of hours that hot water production has
been in operation since installation are
shown here.
Not adjustable
The auxiliary heater is made up of an electric heating element on the supply pipe that has
three different outputs, ADD.HEAT 1 (3 kW), ADD.HEAT 2 (6 kW) and ADD.HEAT 3 (6 kW), and
can be controlled in five steps:
• Step 1 = ADD.HEAT 1 = 3 kW
• Step 2 = ADD.HEAT 2 = 6 kW
• Step 3 = ADD.HEAT 1 + ADD.HEAT 2 = 9 kW
• Step 4 = ADD.HEAT 2 + ADD.HEAT 3 = 12 kW
• Step 5 = ADD.HEAT 1 + ADD.HEAT 2 + ADD.HEAT 3 = 15 kW
OPERAT.TIME
HEATPUMP 0 H
ADD. HEAT 1 0 H
ADD. HEAT 2 0 H
ADD. HEAT 3 0 H
HOT WATER 0 H
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