Emerson X-web300 Bedienungsanleitung Seite 73
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1592015300 User manual iCHILL 200 L GB r1.3 09/09/2005
Note: During the defrost and when the compressor is off in dripping time the pump is on.
33.3 HOT START
FA25 Hot start Setpoint
Low temperature value of PB2 to stop the supply fan.
This function is available only with air / air unit configured as heat pump and allows to run the supply fan only when the air temperature
is enough hot.
FA26 Hot start differential
Temperature differential of the hot start function.
34 WATER PUMP OF THE CONDENSER
34.1 CONDENSER WATER PUMP CONTROL
If one relay is configured as condenser water pump the CO24 / CO25 parameter values do not affect the pump functioning..
Water pump regulation:
Operative mode of the condenser water pump parameter CO21
CO21 = 0 Not enabled, pump not controlled.
CO21 = 1 Continuous control. The water pump is running only if the unit is running (chiller, heat pump). After giving the the start in
chiller or heat pump mode the compressor regulation starts only after the time delay CO17.
The water pump is turned off only when the unit is turned off (stand-by) and, if CO23<>0, the water pump/ supply fan turns off only after
the this delay.
When the unit is in stand-by or remote off and the Ar09 =1, if the thermoregulation requires the antifreeze heaters also the water pump
is turned on.
CO21 = 2 on compressor demand.
When the compressor turns on also the water pump is turned on. In both chiller and heat pump modes the water pump/ supply fan starts
CO17 before the compressor. When the last compressor is turned off the water pump/ supply fan is turned of after the CO23 delay.
When the unit is in stand-by or remote off and the Ar09 =1, if the thermoregulation requires the antifreeze heaters also the water pump
is turned on.
The pump is always off when:
• Remote OFF from digital input.
• Digital input active of the condenser water pump overload.
• Digital input active of the condenser water pump flow with MANUAL alarm.
During the defrost and when the compressor is off in dripping time the pump fan is on.
35 PUMP GROUP OF THE CONDENSER
If two relay outputs are configured as condenser water pump and support pump of the condenser automatically the pump group control
is enabled.
First start-up of the unit: the running hours of the two pumps are both 0, if CO21=1 or 2 (continuous or on compressor demand pump
mode) by default the pump #1 is turned on. The successive restart of the unit is made with the pump #2.
During the normal functioning condition when the unit changes from a stand-by /remote off/ power off status to chiller or heat pump
mode the pump that is running is switched off and immediately the one with less running hours is turned on.
When the unit goes in stand-by or remote off the pump stays on for the time set in CO23.
When the unit is in stand-by or remote off and the Ar09 =1, if the thermoregulation requires the antifreeze heaters also the water pump
is turned on.
35.1 CONDENSER WATER PUMP ROTATION
Par. CO24 <> 0 to enable the function.
During the normal functioning condition, both for chiller and heat pump, if one pump reaches the running hours of the CO24 parameter,
the pump is turned off while the other pump is re-activated.
If the CO25 <> 0, before changing from one to the other the two pumps work together for the time set in this parameter. If CO24=0 the
rotation is immediate and CO25 is not counted.
ATTENTION
The CO17/CO23 values, on and off delay between compressors and pumps, are calculated also for the pump group.
35.2 CONDENSER WATER PUMP ROTATION THROUGH DIGITAL INPUT CONTROL
With two digital inputs configured as overload alarm of water pump and support pump the rotation is enabled when the digital input of
the running pump becomes active. That pump is turned off while the other is forced on.
If only one digital input is configured as condenser water pump alarm or only as condenser water pump alarm the active digital input
alarm stops the corresponding pump.
During the defrost and when the compressor is off in dripping time the pump is on.
- 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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