Carel PRK300D0E0, User Manual, Page: 72 / 104

72
ENG
pRack +0300025EN rel. 1.3 - 17.12.2015
Mask index Display description Description Default UOM Values
Gba04
Enable ChillBooster as fi rst
prevent step Enable ChillBooster as fi rst stage for condensing HP prevent (line 1) NO --- NO / YES
Off set Chill. Off set between ChillBooster and prevent setpoint (line 1) 0.0 barg … 0.0 to 99.9
Gba05
Prevent max.num Maximum number of prevent allowed before locking compressor (line 1) 3 --- 1…5
Prevent max.number
evaluation time Prevent maximum number evaluation time 60 h 0…999
Reset automatic prevent Reset number of prevent (line 1) NO --- NO / YES
Gba07
Max.num prevent
Maximum number of prevent allowed before locking compressor (line
1, auxiliary regulation)
3 --- 1…5
Tempo di valutaz.num.
max prevent
Prevent maximum number evaluation time (auxiliary regulation) 60 h 0…999
Riabilita prevent auto-
matico
Reset number of prevent (line 1, auxiliary regulation) NO --- NO / SI
Gba08
Threshold: Threshold for low pressure prevent with auxiliary regulation 0.5
Barg/
psig
-1.0…150.0
Band: Diff erential for the prevent re-enter 0.1
Barg/
psig
0.0…60.0
Minimum Power request: Minimum power request in prevent 20.0 % 0.0…100.0
Gba09
Align Pow.Req at the end
of prevent
At the end of prevent action power requst is calculated starting from
the last request value and not from the value available before the
prevent action
NO NO / YES
Use Suction UoM Unit selection for prevent threshold and diff erential NO NO / YES
Gca01
Common HP type Type of reset for common HP alarm (line 1) AUTO --- AUTO / MAN
Common HP delay Common high pressure delay (line 1) 10 s 0…999
Gca02
Common LP start delay Low common condensing pressure delay at start up (line 1) 60 s 0…999
Common LP delay Low common condensing pressure delay during operation (line 1) 20 s 0…999
Gca03
Time of semi-automatic
alarm evaluation Period of LP evaluation (line 1) 120 min 0…999
N° of reties before alarm
becomes manual Number of LP in period after which the alarm becomes manual
(line 1) 5 --- 0…999
Gca04
Liquid alarm delay Liquid level alarm delay (line 1) 0 s 0…999
Oil alarm delay Common oil alarm delay (line 1) 0 s 0…999
Gca05
Output alarms relays
activation with Select alarm relay output activation for active alarms or alarms not reset Active
alarms
Active alarms
Alarms not reset
The following parameters refer to line 2, for details see the corresponding parameters for line 1 above
Gbb01 Prevent enable Enable condensing pressure prevent (line 2) NO --- NO / YES
… … … … … …
Gcb01
Common HP type Type of reset for common HP alarm (line 2) AUTO --- AUTO / MAN
Common HP delay Common high pressure delay (line 2) 10 s 0…999
… … … … … …
Mask index Display description Description Default UOM Values
H.Info
H01
(display only)
Ver. Software version and date … --- …
Bios Bios version and date … --- …
Boot Boot version and date … --- …
H02
(display only)
Board type Type of hardware … --- …
Board size Hardware size … --- …
Total fl ash Flash memory size --- kB …
RAM RAM size --- kB …
Built-In type Type of built-in display --- --- None / PGD1
Main cycle Number of cycles per second and software cycle time --- cycles/s
ms …
Mask index Display description Description Default UOM Values
I.Setup
Ia01
Pre-confi guration Pre-confi guration selected 01. RS2 --- --NOT USED—
01. RS2
02. RS3
03. RS3p
04. RS3i
05. RS4
06. RS4i
07. SL3d 08. SL5d
09. SW1
10. SW2
11. SW3
12. d-RS2
13. d-RS3
14. d-RS4
Ia02 (disp. only) Boards necessary pLAN boards required for the selected pre-confi guration --- --- ---
Ia03 (disp. only)
Suction line Number of suction lines featured in the pre-confi guration --- --- 0 to 2
Condenser line Number of condenser lines featured in the pre-confi guration --- --- 0 to 2
Ia04 (display only)
Num.Comp. L1 Number of compressors featured in the pre-confi guration (line 1) … --- 1…12
Comp.type L1 Type of compressors featured in the pre-confi guration (line 1) RECIPROCATING --- RECIPROCATING / SCROLL
SCREW
Num.Comp. L2 Number of compressors featured in the pre-confi guration (line 2) … --- 1…12
Comp.type L2 Type of compressors featured in the pre-confi guration (line 2) RECIPROCATING --- RECIPROCATING / SCROLL
Ia05 (display only)
Num.alarms per comp. Number of alarms for compressor featured in the pre-confi guration 1/4 (*) --- 0 to 4/7 (*)
Cond.Gen.Alarm Enable common condenser alarm EN --- EN/DIS
HP comm.pressostat Enable common HP pressure switch EN --- EN/DIS
LP comm.pressostat Enable common LP pressure switch EN --- EN/DIS
Ib01
Type of Installation Type of system S
CONDENSER --- SUCTION / CONDENSER
S CONDENSER
Ib02 Measure Units Unit of measure °C/barg --- °C/barg / °F/psig