Danfoss HP75-1 Instructions

Electronic Programmable Heat Pump Thermostats
HP75-1 with integral sensor
HP75A-1 with remote sensor
SETTING INSTRUCTIONS

SETTING THE CLOCK

After the recessed RESET button has been
pressed the display appears as shown, with
the colon blinking and all the factory pre-set
conditions will be present.
The clock is a 24 hour type. To change to a 12
hour type with am/pm indication press and
hold down the 'NEXT' and 'DAY' buttons until
the display changes. (Repeat to change back
to 24 hour mode).
The control temperatures are shown in °C but can be changed to
display °F if this is preferred. To change, press and hold down 'DAY'
and 'COPY' buttons until the display changes.
To set the clock to the correct time and day, press and release the
button marked PROG. The digits blink. Press the DAY button (the
digits stop blinking) until the correct day number is shown. (1 =
Monday). To change the time quickly in ten minute steps press and
hold down the + or - buttons.
To change the time one minute at a time press and release these
buttons. When the time is correct press PROG to start the clock and
continue setting sequence.
SETTING THE EVENT TIMES & TEMPERATURES
The HP75 can be set by the installer to provide either 2 or 6 events
each day. Refer to the installer setting instructions if this parameter
needs to be altered. Please note that for simplicity the diagrams in this
setting instruction assume that the unit has been set in the "6 events
per day" mode.
The first event (time and temperature) is displayed, together with the
day or days when it is active. Note that the day number(s) displayed
will be that of the current day. In 7 Day mode only a single day number
will be displayed, in 5/2 Day mode either 12345 or 67 will be displayed.
To go through the available events press and release the NEXT
button. While each event is on display, it may be altered as required.
Selecting an event time
Press and hold down the + or - buttons
to change the event time in ten minute
steps. Press and release to change by
one minute.
Selecting a heating temperature
Press and release the button to raise
the HEATING control temperature by
0.5°C (1°F), or press and release the
button to lower the HEATING control
temperature by 0.5°C (1°F) . Press and
hold down these buttons to make larger
changes to the control temperature.
Selecting a cooling temperature
Press and release the button to raise
the cooling control temperature by 0.5°C
(1°F), or press and release the
to lower the cooling control temperature
by 0.5°C (1°F).
7 day mode
Cooling Heating
Control Control
Event No.
temp. temp.
AUTO
25.0°C 20.0°C
HEAT
COOL
OFF
AUTO
ON
Day
5/2 day mode
Cooling
Heating
Control
Control
Event No.
temp.
temp.
AUTO
25.0°c 20.0°c
HEAT
COOL
OFF
AUTO
ON
button
Days
PROG EM HEAT/NEXT
Selection of an 'OFF' event
If there is a demand to turn 'OFF' rather than turn down the heating or
turn up the cooling, for example during unoccupied periods, an 'OFF'
event can be selected.
Selecting a programmed "Off" event for heating: use the
lower the heating set temperature to its minimum value which is "Off",
the characters "Of" will replace the heating control temperature.
Selecting a programmed "Off" event for cooling: use the
raise the cooling set temperature to its maximum value which is "Off",
the characters "Of" will replace the cooling control temperature value.
When all events for the day(s) on the
display are as required, press DAY to
show the following day's events.
The display will appear similar to one of
the diagrams on the right, depending
on whether the HP75 has been set up
for 7 day or 5/2 day mode.
Use the , +, -, ,
buttons to alter the events as required,
OR
If the previous day's programme is to
be repeated, press COPY to repeat
those events with just one button press.
(Pressing COPY when in 5/2 mode will repeat the events programmed
for days 1 to 5 on the weekend).
Use the DAY and NEXT buttons to check all the programmed events,
using the +,-, , ,
necessary.
TO EXIT THE PROGRAMMING MODE
Time
When all the events for every day are
as desired, press PROG to return to
RUN mode with the colon blinking.
The heating/cooling system will now
be controlled to provide the
programmed temperatures.
Refer to USER GUIDE for details of manual overrides available in day
to day operation.
Time
22:00
+ - DAY COPY
7 day mode
AUTO
HEAT
COOL
OFF
AUTO
ON
, , NEXT
5/2 day mode
AUTO
HEAT
COOL
OFF
AUTO
ON
, buttons to make changes to each event as
AUTO
HEAT
13.52
COOL
OFF
AUTO
ON
button to
button to
25.0°c 20.0°c
25.0°c 20.0°c
27.2°c 15.0°c
1