User manual
Document nr. : 012063
Version : V2.0
FC 785-PC
Client : General
Page : 8 of 20
3.7 Setting defrost mode.
By pressing the
key one ore more times the defrost-mode can be set, depending on
parameter P 501 and P 502. The LED’s besides the running hour counter shows the defrost-
mode which is used for controlling the defrost.
3.8 Starting defrost manually.
By pressing the
UP
and
DOWN
keys at the same time the defrost can be started (forced)
manually, independently to the defrost-timer.
3.9 Viewing and adjusting time.
The upper right display shows the time. Adjust the clock by pushing the
key for more than
one second. The time can now be adjusted by pushing the
UP
and
DOWN
keys. The weekday
can be adjusted by pressing once more, for longer than 1 second, the
key.
By pushing the
ON/OFF
key or if no key is touched for 30 seconds, the display returns to its
normal operation mode.
3.10 Viewing or resetting the pulse- and hours counters.
The lower left display shows the cooling pulses and the lower right display shows the cooling
running hours.
By pushing the
(reset pulses) key from the cooling pulses or the (reset hours) key from the
running hours-counter the according counter will be reset to zero. If the counters reaches
numbers larger than ‘999' or ‘999,9', OFL(overflow) will appear in the according display.
3.11 The menu.
The menu can be entered by pushing the
COOL-PHASE
key if the controller is in the pre-cool
mode or by pushing the
STORE-PHASE
key if the controller is in the store-mode.
To leave the menu press the
COOL-PHASE
or
STORE-PHASE
key or press no key for more
than 10 seconds. The menu has the following items to select from, which can be selected by
pushing the
SENS.
key;
1. Pulses/running hours per 24 hours.
The upper left display shows “PulS” (Pulses) and the lower left display shows the total
amount of pulses during this day (started at 0:00 hour). The upper right display shows
“UrEn” (Hours) and the lower right display shows the total hours of the cooling counted
this day from 0:00 hour.
The controller stores the pulses and hour counts for one week. To see the other days of
the week push the
UP
or
DOWN
keys, the day LED’s in the upper right display shows
which day is selected from the past week.
2. Dehumidify function.
With this menu item, it is possible to activate the dehumidify function of the controller.
The upper left display shows “ontV” (Dehumidify function) and the upper right display
shows “ON” or “OFF” to indicate whether the function is active or not.
When the humidify function is activated the lower right display shows “cont.”, indicating
that this function stays active until the function is set manually inactive, or the display
shows a countdown counter which indicates how many minutes are remaining.
To manual switch the dehumidify function on or off, push the
UP
or
DOWN
keys, the
upper right display switches from “ON” to “OFF” to indicate the status.
As the dehumidify function is activated this way, the function will continuously dehumidify.
To set the countdown counter for the dehumidify function push the
SETP.
key and hold it
together with the
UP
or
DOWN
key to increase or decrease the interval with 10 minutes.
The dehumidification may also be started automatically using parameter P380 and P381.
To indicate that the controller is dehumidifying, at normal operation, all decimal dots are
blinking on the upper displays.
Dehumidifying will be achieved by activating the cooling and heating at the same time
above set point. Because the cooling capacity is higher than the heating capacity the
temperature will reach it’s set point slower and so the product will dry longer.