
22
C6.1.6/0117-1017/E
2.11 Controller keyboard
2.11.1 How to lock the keyboard
Keep the
and
keys pressed simultaneously for more than 3 seconds. The
"PoF"
message
will be displayed and the keyboard will be locked. At this point it is only possible to see the setpoint
or the maximum or minimum temperatures stored. If a key is pressed for more than 3 seconds, the
"PoF"
message will be displayed.
2.11.2 How to unlock the keyboard
Keep the
and
keys pressed simultaneously for more than 3 seconds, till the
"Pon"
message
is displayed.
2.12 Parameters level 1
– Required settings
The XCM25D is preconfigured to reduce the required settings on job-site to a minimum. In most
cases, it will not be necessary to enter programming level 2
"Pr2"
.
Table 20
gives an overview of
the parameters available in programming level 1
"Pr1"
.
NOTE: When changing parameters C01 (Cin), C02 (CoU) and C05 (CPb) a reset of the
controller (interruption of power supply) is required.
Parameter
Description
Unit
Factory
settings
Comments
C01
Compressor cut-in pressure
setpoint
[bar]
4.0
Not used for
Digital ZXDE
C02
Compressor cut-out pressure
setpoint
[bar]
2.0
Not used for
Digital ZXDE
C07
Refrigerant selection for
regulation
[-]
R404A
R22, R407A, R407F,
R507, R448A, R449A,
R134a, R407C
C16
Digital compressor setpoint
[bar]
3.3
Not used for
ZXME & ZXLE
C17
Proportional band for
compressor regulation
[bar]
2.0
Not used for
ZXME & ZXLE
C21
Cycle time for digital
compressor
[sec]
10
Not used for
ZXME & ZXLE
C24
Minimum capacity for digital
compressor
[%]
20
Not used for
ZXME & ZXLE
C25
Maximum capacity for digital
compressor
[%]
100
Not used for
ZXME & ZXLE
D29
Low-pressure alarm value (from
S/N 16EZ08855M onwards)
[bar]
0.5
E39
Condenser setpoint
[°C]
35.0
E46
Regulation band of variable fan
[°C]
10.0
N01
Current minute
[-]
[-]
N02
Current hour
[-]
[-]
N03
Day of the month
[-]
[-]
N04
Month
[-]
[-]
N05
Year
[-]
[-]
T18
Access to Pr2 level
[-]
[-]
Password: 3 2 1
Table 20: Parameters in programming level Pr1
NOTE: The full list of parameters in programming level "Pr2" can be found in Appendix 5.