Emerson X-web300 Bedienungsanleitung Seite 46
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1592015300 User manual iCHILL 200 L GB r1.3 09/09/2005
Pg.46/106
12 SELECTION AND START OF THE RUNNING MODE
12.1 SELECT THE CHILLER OR THE HEAT PUMP MODE
The CF79 parameter allows to select and enable the running mode:
Par. CF79 = 0: Through keyboard, the user can start and stop the unit using the keys of the front panel.
Par. CF79 = 1: Through digital input programmed to start/stop the unit from remote control.
• This selection is enabled if there is one digital input configured as start/stop from remote (remote chiller / heat pump). I non of
the digital input are configure the unit remains in stand–by.
• The “open” status of the input forces the chiller running mode.
• The “closed” status of the input forces the heat pump running mode.
• The keyboard selection is disabled.
• The key on the front panel can start/stop the unit only with the digital input selection
Par. CF79 =2: Automatic selection of the Chiller - Heat Pump through analogue input
The analogue input selection or change over function overrides the digital input C-HP function. If the external air temperature are within
the CF81 differential, the user can change the running mode from the keyboard.
If the unit is running with CF79 = 1 or CF79=2, and it is requested a running mode change, the controller turns off all the outputs, starts
a fixed delay time signalled by the chiller or heat pump blinking led. This blinking led indicates which running mode will be activated after
the compressor delay time protection.
12.2 CHANGE OVER
To change the running status the following condition must be respected otherwise the unit remains in stand - by:
1. CF02=1 (heat pump selected)
2. CF79=2 and a NTC probe configured as NTC external air temperature for dynamic setpoint/ boiler / change over
3. This probe is working properly.
Parameters involved with the change over function:
CF80 Change over Setpoint. If the analogue input control (from probe) function is enabled, it represents the limit temperature of the
probe value under which the unit runs the Heat Pump mode.
CF81 Change over Differential. If the analogue input control (from probe) function is enabled, it represents the limit differential
temperature of the probe value to restart in the Chiller mode.
For external air temperature within CF81 the user can manually change the status from keyboard.
GRAPH: AUTOMATIC CHANGE OVER
12.3 CHILLER – HEAT PUMP FUNCTIONING MODE
IT IS DEFINED BY THE PARAMETER CF78.
12.4 KEYBOARD SELECTION
CF78 = 0: pushing key the unit starts in chiller, pushing key the unit starts in heat pump
CF78 = 1: pushing
key the unit starts in heat pump, pushing key the unit starts in chiller
12.5 ANALOG INPUT SELECTION
CF78 = 0 NTC, External air temperature probe > CF80+ CF81 the unit starts in chiller, NTC, External air temperature probe < CF80
the unit starts in heat pump.
CF78 = 1 NTC, External air temperature probe > CF80+ CF81
the unit starts in chiller, NTC, External air temperature probe < CF80
the unit starts in heat pump.
- DIXELL 1
- INDEX 2
- 4
- 1 GENERAL ADVICE 7
- 2 GENERAL FEATURES 8
- 2.1 MAIN FUNCTION 8
- Pg.10/106 10
- 4 USER INTERFACE 11
- Pg.12/106 12
- 4.4 KEY FUNCTION 14
- 4.5 KEY COMBINANTION 15
- 4.6 LED AND ICONS 15
- 4.7 DISPLAY AND ICONS 16
- 5 REMOTE TERMINAL 17
- 6 FIRST INSTALLING 17
- 6.2 RTC SETUP 17
- 7 WIRING CONNECTIONS 18
- 7.4 DIGITAL INPUTS 19
- Pg.20/106 20
- Pg.22/106 22
- 7.12 HOT KEY 64 CONNECTION 23
- 7.13 XJ485 CONNECTION 23
- Pg.24/106 24
- Pg.26/106 26
- 8.7 OTHER OUTPUTS 27
- 9 TABLE OF THE PARAMETERS 28
- Pg.30/106 30
- Pg.32/106 32
- Pg.34/106 34
- Pg.36/106 36
- Pg.38/106 38
- Pg.40/106 40
- Pg.42/106 42
- Enter the programming 42
- Pg.44/106 44
- Pg.46/106 46
- GRAPH: AUTOMATIC CHANGE OVER 46
- HOW THE CIRCUIT 1 OR 2 47
- 15 CUSTOM DISPLAY 48
- Pg.50/106 50
- HOW THE SET POINT VALUE 51
- ODIFY THE SET POINT 51
- 16.4 DISPLAY IN REMOTE OFF 52
- 17 FUNCTION MENU “ M” KEY 52
- 18 ENERGY SAVING 56
- 19 DYNAMIC SETPOINT 57
- 19.1 DYNAMIC SETPOINT GRAPH 58
- 20 AUXILIARY RELAYS 59
- Pg.60/106 60
- /RECOVERY 62
- 27 COMPRESSORS 64
- 27.1 COMPRESSORS START- UP 64
- 27.2 DIRECT START- UP 64
- 27.4 PART WINDING 65
- 27.7 STAR - DELTA START 65
- 28 CAPACITY CONTROL 66
- 28.1 MINIMUM LOAD START- UP 67
- 29 PUMP DOWN 68
- ACTIVATION 69
- UMP DOWN INFORMATION 70
- NLOADING DESCRIPTION 70
- NLOADING INFORMATION 70
- Pg.72/106 72
- FA26 Hot start differential 73
- 36 LOAD MAINTENANCE 74
- 37 CONDENSER FAN REGULATION 74
- OUTPUT FOR FAN CONTROL 75
- Pg.76/106 76
- 38 DEFROST CYCLE 77
- 38.1 FORCED DEFROST 77
- 38.2 COMBINED DEFROST 77
- 38.3 MANUAL DEFROST 78
- EFROST PARAMETER DESCRIPTION 79
- Pg.80/106 80
- 39 RECOVERY 81
- THE RECOVERY CYCLE 82
- 40.1 RECOVERY DISABLED 82
- AEFL evaporator flow alarm 83
- NOTE ABOUT THE FLOW ALARM 83
- 41.7 AEE EEPROM ALARM 84
- Significato label display 85
- 41.11 ARTF CLOCK FAILURE 86
- 41.12 ARTC CLOCK ALARM 87
- Pg.88/106 88
- Pg.90/106 90
- - PRESSURE SWITCH ALARM / 90
- Pg.92/106 92
- 41.38 ALARM RELAY AND BUZZER 94
- 41.39 KEYABOARD ALARM 94
- Pg.96/106 96
- Alarm description 96
- 44 BLACK-OUT 98
- 45 INSTALLING AND MOUNTING 98
- 45.1 PANEL CUT- OUT 98
- 45.4 METAL FRONT FRAME 99
- 46 ELECTRICAL CONNECTIONS 100
- 47 ACCESSORIES 100
- 47.3 TRANSFORMER 101
- 48 TECHNICAL DATA 102
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