
26
IOM_UMXCBA-UMXCA_801.1a4502.2_208027_200201_EN
UMXCBA/UMXCA
CONDENSER UNITS WITH
COMPRESSOR AND AXIAL FAN
OPERATION
pGD1 or Mini PGD THERMOSTAT
–
Time schedule
C.
Schedule only change of Setpoint:
Similar to ON-OFF type, but in this case the unit is not stopped.
The change of setpoint depends on the time slots and days selected. It is important to have into account
that the work setpoint of the machine will not be modified
from “Setpoint”, if not from “Clock” menu.
In the menu 5, select the “Schedule only change of Setpoint” start type.
The three programs are defined afterwards:
Configurate the setpoint temperatures
between which you will change in each
section of the schedule.
The internal Set is the Setpoint that it is
inside the section and the external out from
the section.
Example: From Monday to Thursday the program num 1 is activated, internal
Setpoint from 6:30 to 11:00, etc.
D.
ON-OFF schedule type with SET limit of ON:
This option makes the start/stop as option “B”. ON-OFF schedule,
including a safety start-up of the unit out of the schedule when the temperature raises or descends from one of the limit
Setpoints introduced by the user.
By selecting this option the “Set” setpoint screen is disabled too and it will be modified
from the “Clock” key.
In menu 5, select the start-
up type “Schedule ON-OFF with SET limit of ON”.
The three programs are defined afterwards:
Configure the setpoint temperatures and
Internal Set and the limit that will activate the
machine even though it is stopped (out of the
section).
Differential of temperature that you will apply to the setpoint in order to stop again
the unit again.
Example: From Monday to Thursday the num1 program activates, which starts up
the machine at 6:30 and stops it at 11:00, starts again from 11:30 to 13:30 and
from 15:00 to 19:00. Out of these hours the machine will start if the established
limits are exceeded (in cooling mode from above, under in heating mode).