Configuring The Number Of Units - Carrier CCU Manual De Regulatión

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5 - CONFIGURING THE NUMBER OF UNITS

These parameters are only visible if parameter P215 = 1 (master unit)
This sub-menu groups together the operating parameters for the units. They can operate individually or grouped as master/slaves.
Access level
No.
Description
2
C01 Number of units
2
C02 Additional unit
2
C03 Backup unit
2
C04 Additional backup unit
2
C05 Rotation
2
C08 Language used
2
C09 Locking of the configuration
Setpoint for activating the 
2
C11
additional unit (authorisation 
setpoint)
2
C12 Unit rotation time delay
Number of days between 2 
2
C13
restarts
2
C14 Restart time
2
C15 Restart period 
2
C16 Cooling setpoint shift at restart  0 to 5 °C
1
C21 Unit rotation counter
Additional unit setpoint (setpoint 
1
C22
calculated)
Number of days before periodic 
1
C23
restart
Time before the end of the 
1
C24
periodic start
1
C29 Software version number
Setting
OPERATING CONFIGURATION
1 to 32: self-contained units
2 to 10: in master/slave
0: No additional unit
1: One additional unit
0: No backup unit
1: One backup unit
0: No additional backup unit
1: One additional backup unit
0: No rotation
(the last unit is the backup unit).
1: Automatic rotation
(according  to  the  time  delay  adjustable 
using C12)
2: Periodic restart
(according to parameters C13 to C16)
0: French
1: English
2: German
3: Spanish
0: Unlocked (the set master/slave functions 
are not activated)
1:  Locked  (the  set  master/slave  functions 
are activated).
SETTING
15 to 40°C
(but always 2 K greater than the highest of 
the  P103  cooling  setpoints  for  the  units 
currently operating)
Value adjustable from 0 to 240 h (value '0' 
is used for testing and corresponds to a
period of 5 minutes)
Value adjustable from 0 to 60 days
(value 0 is used for testing and corresponds 
to a period of 5 minutes between 2 restarts)
Hours/Minutes
(this  setting  is  not  taken  into  account  if 
parameter C13=0)
5 to 300 mins.
READ-ONLY
Note: This counter counts down in
increments and when it reaches 0, it is reset 
to  the  value  for  C12  and  the  unit  whose 
number precedes the stopped unit or units 
stops  in  turn.  The  unit  whose  number 
precedes those currently operating starts.
Note:  This  gives  the  actual  value  of  the 
setpoint, i.e. at least 2 K above the highest 
cooling setpoint for all units
Note : this counter counts down in
increments every day at 00:00 and when it 
reaches 0, the unit on standby starts at the 
time set in C14.
Note:  this  counter  displays  the  time 
remaining  before  the  end  of  the  periodic 
restart
By default Display condition
1
0
C01 > 1 and C01 < 11
C01 > 1 and C01 < 11 and C02 
0
= 0
C01 > 2 and C01 < 11 and C02 
0
= 1
0
C02 = 1 or C03 = 1
0
0
27°C
C02 = 1
168 h
C05 = 1
30 d
C05 = 2
8.00 am
C05 = 2
30 mins.
C05 = 2
3°C
C05 = 2
C05 = 1
C02 = 1
j
C05 = 2
mins
C05 = 2
51

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