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USER MANUAL – Release 1.2 of 01/01/2010
Page 3 of 191
Version: 02/03/2010
10.2
UNIPOLAR/BIPOLAR VALVES DRIVER CONNECTION MODE
60
11.
XEV20D ELECTRONIC THERMOSTATIC DRIVER WIRING
DIAGRAMS
61
11.1
XEV20D DRIVER MODEL HARDWARE RESOURCES
61
11.2
XEV20D DRIVER MODULE CONNECTION TO THE PROGRAMMABLE UNIT
62
11.3
NTC / PTC / PT1000 PROBE ANALOGUE INPUTS
63
11.4
0÷5V RATIOMETRIC PRESSURE TRANSDUCERS ANALOGUE INPUTS
63
11.5
4÷20MA PRESSURE TRANSDUCERS ANALOGUE INPUTS
63
12.
RS485 SERIAL COMMUNICATION PERIPHERALS
CONNECTION
64
12.1
RS485 SERIAL LINE
64
12.2
RS485 MASTER SERIAL OUTPUT CONNECTION WITH MODBUS PROTOCOL
65
12.3
RS485 SLAVE SERIAL OUTPUT CONNECTION WITH MODBUS PROTOCOL
66
13.
REMOTE CONNECTION VIA MODEM
67
13.1
PC CONNECTION FROM REMOTE VIA SERIAL OR EXTERNAL GSM MODEM
67
13.2
PC CONNECTION FROM REMOTE VIA INTERNAL SERIAL MODEM
68
14.
CONNECTION TO THE IPRO.CHILL VIA THE NETWORK PORT 68
14.1
LOCAL CONNECTION TO THE PC
68
14.2
CONNECTION VIA INTRANET
69
14.3
CONNECTION VIA INTERNET
69
15.
USING THE USB PORT
70
15.1
USB PORT (HOST)
70
16.
USER INTERFACE
71
16.1
HOW TO MODIFY THE INFORMATION PRESENT IN THE MAIN SCREEN
72
16.2
UNIT SWITCH-ON IN CONDITIONING OR HEATING MODE
72
16.3
SET KEY
73
16.4
PROBES KEY
74
16.5
ALARM KEY
76
16.6
CIRC KEY
78
16.7
SERVICE KEY
80
16.7.1
Parameters programming ..........................................................................................................80
16.7.2
Time/Time bands .......................................................................................................................82
16.7.3
Compressors..............................................................................................................................83
16.7.4
Water pump ...............................................................................................................................83
16.7.5
Alarms display............................................................................................................................84
16.7.6
Historical alarms ........................................................................................................................84
16.7.7
Defrost .......................................................................................................................................86
16.7.8
Heaters/Liquid line solenoid valve .............................................................................................86
16.7.9
I/O status....................................................................................................................................87
16.7.10
Thermostatic...........................................................................................................................87
16.7.11
Heat recovery .........................................................................................................................88
16.7.12
Auxiliary outputs .....................................................................................................................88
16.7.13
Free-cooling ...........................................................................................................................89
16.7.14
Screw compressor..................................................................................................................90
16.7.15
Control panel ..........................................................................................................................90
17.
SELECTION – WORKING MODE – ENABLING – SWITCH-ON –
UNIT SWITCH OFF
91