Technical information
31
15 - DPC-1 programmable digital ther-
mostat with communication
Internal view of the thermostat
With the front cover up, showing the front panel. The cover
is lifted to access the controls only.
Description of the display
15.1.- Air conditioning modes
By pressing the
key repeatedly, the different air condi-
tioning modes can be selected.
Off
In this mode the air conditioning system is off. OFF is dis-
played on screen.
Cool
COOL is displayed with the icon (flashing if under demand,
and static if not).
Heat
HEAT is displayed with the icon (with the sides flashing if
under demand, and without sides if not).
Auto
Both the system heating as well as cooling functions are
enabled. The word AUTO and the icon and , (flashing
if there is a demand) are displayed.
Programmed
The programmed mode implies the previously described
AUTO mode, but also includes the time schedule profile, and
the
AUTO
PROG
mode is displayed.
If pin 2 of the micro-switch is set to OFF, this option is not
displayed (see Configuration micro-switches).
Emergency Heat
This mode avoids compressor operation in extreme outdoor
conditions, and the icon (flashing if the unit is on, and
static without sides if the unit is off) and the words
EMERG
HEAT
are
displayed.
Fan Only
The fan only mode is accessed in the OFF mode by
pressing the key, which selects the fan speed. In
this way the air conditioning system is off and only the
fan is operative.
15.2.- Key functions
Programming key
In the Normal Mode and by pressing this key, the Program-
ming Mode is accessed, allowing the selection of one of the
following options:
-
Clock setting (day of the week, hours and minutes).
-
Fan programming.
-
0h 2 4 6 8 10 12 14 16 18 20 22 24
Time schedule profile program-
ming. A time schedule profile accepts Comfort and
Economy (Day and Night) modes only.
-
Programming of set point temperatures for heat and
cool in Occupied, Comfort or Day Modes.
-
Programming of set point temperatures for heat and
cool in Stand-by, Economy or Night Modes.
-
Programming of set point temperatures for heat and
cool in Unoccupied Mode.
Plus and Minus keys, and .
Pressing one of these two keys in Normal Mode accesses
the Adjust Mode, displaying present temperature set point,
with the icon flashing.
If pressed and held for over 1 second, or released and
pressed again while still in the Adjust Mode, said set
point will be increased or decreased in steps of 0.5° C
or 1° F.
If both and keys are pressed at the same time,
reading goes from °C to °F, and vice versa..
AUTO
AUTO
4
0h 2 4 6 8 10 12 14 16 18 20 22 24
PROG
OFF
EMERG
HEAT
COOL
AUTO
PROG
AUTO
1 2 3 4 5 6 7
0h 2 4 6 8 10 12 14 16 18 20 22 24