Carrier 50FC User Manual page 18

8 - TIME SCHEDULING
The regulation setpoint and safety limit setpoint are established
on the screen PH09 (summer) and on the screen PH10 (winter):
* Indoor set.: setpoint for the time slots.
* Limit set.: safety limit setpoint outside the time slots.
Schedule with ON
by limit SP (summ.)
Indoor set.
Limit set.
Schedule with ON
by limit SP (winter)
Indoor set.
Limit set.
The diff erentials for the limit setpoint are established on the
screen PH11:
Schedule with ON
by limit SP
Win.Lim. Diff.01.0ßC
Sum.Lim. Diff.02.0ßC
● Schedule with 3 setpoints + OFF of the unit:
Two new parameters are displayed on the screen PH03 with this
type of schedule:
* Disab.comp.COOL: when the unit is working with the safety
limit setpoint in COOLING mode, the compressors can be
disabled in order that if the conditions of the outdoor air are
favourable, the unit carries out free-cooling.
* Dis. air refresh.: when the unit is working with the safety
limit setpoint is disabled the air renewal.
'ON-OFF schedule with
limit SET of ON'
- ON for LIMIT SET -
Disab. comp. COOL:
Dis. air refresh.:
Three regulation setpoint temperatures will be established on the
screens PH14 (Summer) and PH15 (Winter) :
* Set.COMFORT: standard setpoint of the unit.
* Set.ECONOMY: setpoint further away from the comfort point,
used at times with low occupancy.
* Set.PROTECTION: setpoint of building protection, usually used
at night, when the building is empty.
The diff erentials for the PROTECTION setpoint will also be
established.
* Dif.lim.PROT: diff erential for the PROTECTION setpoint.
Schedule with setpoint
change (Summer)
COMFORT Set
ECONOMY Set
PROTECTION Set
PROT.Lim.Dif
18
PH09
26.0ßC
34.0ßC
PH10
21.0ßC
13.0ßC
PH11
PH03
Start type
N
N
PH14
26.0ßC
28.0ßC
34.0ßC
02.0ßC
Schedule with setpoint
change (Winter)
CONFORT Set
ECONOMY Set
PROTECTION Set
PROT.Lim.Dif
On the PH13 screen, the time slots with the diff erent setpoints will
be assigned for each day of the week.
In the top left zone of the screen it is indicated the day of the
week to which there is assigned the schedule (in the example:
on Monday). When it is created it is possible to copy in any other
day of the week.
For example: it copies to Tuesday: YES (the Tuesday schedule
will be the same that on Monday).
SCHEDULER
Day: MON
Copy in: TUE
1 07:00 ECONOMY
2 09:00 CONFORT
3 17:00 PROTECTION
4 21:00 OFF
Save? Yes
On the PH13a and PH13b screens, the setpoints for vacation
periods and special days will be assigned respectively.
VACATION PERIOD
Start
01/01
01/04
01/08
SPECIAL DAYS
1 28/02 ECONOMY
2 01/05 PROTECTION
3 01/08 OFF
4 04/09 OFF
5 06/12 PROTECTION
6 08/12 PROTECTION
In addition to the schedule types described above, the scheduler
also allows the following actions in PH03:
● Manual: The unit will be running or stopped without taking into
account the time schedule. In this case, the unit can be switched
OFF/ON from this screen.
Start type
'Manual'
● Forced: this permits an occasional start-up or shutdown of the
unit without modifying the time schedule. When this period ends,
the unit goes back to the schedule that was programmed.
Start type
-FORCED-
ON time: 002 h
PH15
21.0ßC
19.0ßC
13.0ßC
01.0ßC
PH13
Ok? Yes
PH13a
End Status
06/01 PROTECT.
07/04 OFF
15/00 OFF
PH13b
PH03
ON
PH03