Emerson Copeland EazyCool ZX Series - 4.3 Rotation direction of Scroll compressors; 4.5 Checks before starting & during operation

18 C6.1.6/0613-0915/E
• AOO: Percentage of the analog output (0-10V or TRIAC PWM Mod.).
This information is available only if the 0-10V or TRIAC PWM Mod is
enabled.
• dStO: Percentage of the PWM output driving the valve of the Digital
Scroll compressor.
• L°t: Minimum room temperature.
• H°t: Maximum room temperature.
• HM: Menu.
Exit
Press simultaneously or wait for the timeout of about 60 sec.
Table 17: Fast access menu
2.10 Controller keyboard
2.10.1 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.
2.10.2 How to unlock the keyboard
Keep the and keys pressed simultaneously for more than 3 seconds, till the "Pon"
message is displayed.
2.11 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". Here is the overview about
the parameters which are in programming level 1 "Pr1".
Parameter
Description
Unit
Factory
setting
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 ZXM & ZXL
C17
Proportional band for
compressor regulation
[bar]
2.0
Not used for ZXM & ZXL
C21
Cycle time for digital
compressor
[sec]
10
Not used for ZXM & ZXL
C24
Minimum capacity for digital
compressor
[%]
20
Not used for ZXM & ZXL
C25
Maximum capacity for digital
compressor
[%]
100
Not used for ZXM & ZXL
E39
Condenser setpoint
[°C]
35.0
E46
Regulation band of variable
fan
[°C]
10.0
N01
Current minute
[-]
[-]
N02
Current hour
[-]
[-]
N03
Day of month
[-]
[-]
N04
Month
[-]
[-]
N05
Year
[-]
[-]
T18
Access to Pr2 level
[-]
[-]
Password: 3 2 1
Table 18: Parameters in Pr1