CC7.8.15/1019/E
Ident number 3272062
– P/N 052-3306-00/Rev00
2/2
When entering the programming level for the first time the display will show the
rtC
(real time clock) label.
▪
Press
to access parameters N01/02/03/04/05 to adjust time & date. For further details see the condensing
unit application guidelines, chapter 2.11 "Parameters level 1
– Required settings".
▪
Press
or
to change from the
rtC
label to the
Par
label, in order to access the programming level 1.
▪
Press
: the parameters of programming level 1 can be changed.
The following "Pr1" parameters must be verified before commissioning:
Parameter
Description
Unit
Factory
settings
Comments
C07
Refrigerant selection for
regulation
[-]
R449A
R22, R407A, R407F, R507,
R448A, R449A, R134a,
R407C
C16
Digital compressor setpoint
[bar*]
2.8
0.3 for OLTE/OLE units
C17
Proportional band for
compressor regulation
[bar*]
2.0
1.0 for OLTE/OLE units
C21
Cycle time for digital
compressor
[sec]
10
C24
Minimum capacity for digital
compressor
[%]
10
C25
Maximum capacity for digital
compressor
[%]
100
D29
Low-pressure alarm value
[bar*]
0.8
0.3 for OLTE/OLE units
E39
Condenser setpoint
[°C]
35.0
E46
Regulation band of variable fan
[°C]
20.0
N01
Current minute
[-]
[-]
N02
Current hour
[-]
[-]
N03
Day of the month
[-]
[-]
N04
Month
[-]
[-]
N05
Year
[-]
[-]
T18
Access to Pr2 level
[-]
[-]
Password: 3 2 1
* Pressures are always relative
Adjustable discharge pressure limitation:
The controller has dedicated parameters to provide the possibility of
adjustable discharge pressure cut-out.
Parameter Description
Factory
settings
Recommended
settings
E58
Condenser temperature / Pressure threshold for high
alarm
27
Required value
E61
Condenser temperature / Pressure threshold for
alarm recovery
23
Required value
NOTE: Error L21 can happen during first commissioning. This lockout indicates a wrong phase sequence.
In this case two phases at the power supply terminals must be changed.
NOTE: This guide is for quick installation purposes. For detailed instructions, please refer to Application
Guidelines C6.1.9 "
Copeland EazyCool™ Large Outdoor Condensing Units".
