Carrier 50FC - Unit Weight and Support Reactions

18
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.
PH09
Schedule with ON
by limit SP (summ.)
Indoor set. 26.0ßC
Limit set. 34.0ßC
The di󰀨 erentials for the limit setpoint are established on the
screen PH11:
PH10
Schedule with ON
by limit SP (winter)
Indoor set. 21.0ßC
Limit set. 13.0ßC
PH11
Schedule with ON
by limit SP
Win.Lim. Diff.01.0ßC
Sum.Lim. Diff.02.0ßC
8 - TIME SCHEDULING
 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.
PH03
Start type
'ON-OFF schedule with
limit SET of ON'
- ON for LIMIT SET -
Disab. comp. COOL: N
Dis. air refresh.: N
PH14
Schedule with setpoint
change (Summer)
COMFORT Set 26.0ßC
ECONOMY Set 28.0ßC
PROTECTION Set 34.0ßC
PROT.Lim.Dif 02.0ßC
PH15
Schedule with setpoint
change (Winter)
CONFORT Set 21.0ßC
ECONOMY Set 19.0ßC
PROTECTION Set 13.0ßC
PROT.Lim.Dif 01.0ßC
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 di󰀨 erentials for the PROTECTION setpoint will also be
established.
* Dif.lim.PROT: di󰀨 erential for the PROTECTION setpoint.
On the PH13 screen, the time slots with the di󰀨 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 PH13
Day: MON
Copy in: TUE Ok? Yes
1 07:00 ECONOMY
2 09:00 CONFORT
3 17:00 PROTECTION
4 21:00 OFF
Save? Yes
VACATION PERIOD PH13a
Start End Status
01/01 06/01 PROTECT.
01/04 07/04 OFF
01/08 15/00 OFF
On the PH13a and PH13b screens, the setpoints for vacation
periods and special days will be assigned respectively.
SPECIAL DAYS PH13b
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.
PH03
Start type
'Manual'
ON
 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.
PH03
Start type
-FORCED-
ON time: 002 h