Daikin pCOe для EWYD-BZ Инструкция по эксплуатации онлайн
CONTROL PANEL OPERATING MANUAL
AIR COOLED SCREW CHILLER GLOBAL DESIGN
Software version ASDU01C and later
Содержание
- Air cooled screw chiller global design 1
- Control panel operating manual 1
- D komcp00106 12en 8 84 8
- Electronic expansion valves drivers and the additional display are connected using plan network of asdu01ccontrols while pc 8
- Expansion boards are connected to asdu01c controllers using the rs485 network dedicated to expansion 8
- Fig 1 architecture 8
- System architecture 8
- The modular architecture is based on the use of the asdu01c series control in particular a base controller large version built in display or optionally semi graphical additional display is used to control the basic unit functions and to manage the first two compressors a second controller large version is used to manage the third and fourth compressor if they are present several up to four for each controller controller expansion board are used to add optional features to the control drivers for electronic expansion valve are foreseen as an optional feature the overall architecture is shown in fig 1 8
- Control panel 9
- Control panel is constituted by a backlight display 4 lines by 20 characters with a 6 key control panel is constituted by a backlight display 4 lines by 20 characters with a 6 key keypad whose functions will be illustrated in the following this display can be built in as a part of the master controller standard option or it can be optionally a separate device based on the control panel pgd serigraphic technology 9
- Figure 2 control panel pgd and built in display option figure 2 control panel pgd and built in display option no setting is required for the built in display while pgd device require addressing based on a procedure through keypad see plan appendix for details fig 3 pgd display 9
- Hardware configuration 9
- Address microswitches 11
- Fig 4 controller 11
- Main board 11
- The control board contains the hardware and the software necessary to monitor and to control the unit 11
- Address 14
- Eexv valve driver 14
- Fig 7 exv driver fig 7 exv driver 14
- Meaning of the driver eexv status leds 14
- The valve drivers contain the software for the control of the electronic expansion valve and are connected to the battery group that provides to close valve in case of power failure 14
- Under normal conditions five 5 led indicates power yellow remains on in presence of supply remains off in case of battery operation open green flashing during the valve opening on when valve is fully open close green flashing during the valve closing on when valve is fully close alarm red on or flashing in case of hardware alarm plan green on during the normal working of plan in presence of critical alarm situations the combination of led on identifies the alarm as shown below highest priority is level 7 in the case more alarms occur is visualized that with higher priority 14
- A unique control software is installed on both asdu01c controllers if two are present the unit controller is directly recognized on the basis of the plan address no software is installed on pc 15
- Addressing of plan rs485 15
- Boards and on eexv drivers a factory installed software is used a pre configuration procedure is available in each asdu01c controller to recognize the whole network hardware configuration the configuration is stored in the controller in a permanent memory and an alarm is generated if the hardware configuration would change during the operation network or boards faults or added boards the pre configuration procedure will automatically start at the first bootstrap of the unit after the software is installed it is possible to activate it manually network refresh if network configuration changes either if an expansion is permanently removed or if a new expansion is linked after the first software bootstrap changes in the network configuration without network refresh will generate alarms either if an expansion is removed or faulted or if a new expansion is added the configuration of functions requiring expansion boards are allowed only if expansion boards have been recognized in the network 15
- Software 15
- To get the correct functionality of the plan net system is necessary to address correctly all the installed components each component as previously described has a series of microswitch that must be settled as specified in the following table 15
- Asdu01c controller 1 base unit and compressors 1 2 control 18
- Physical inputs and outputs 18
- The following parameters are inputs and outputs of the electronic boards they are used internally and or sent to plan and supervisory system according to software requirements and to the monitoring requirements 18
- Asdu01c controller 2 compressors 3 4 control 19
- Expansion 1 additional hardware 20
- Expansion 2 heat recovery or heat pump control 20
- Expansion connected to asdu01c 1 20
- Expansion connected to asdu01c 2 20
- Heat recovery option 20
- The heat recovery and heat pump options will alternative just one of them may be used and are specified in the manufacturer setup 20
- Analog input digital input 21
- Expansion 3 water pump control 21
- Expansion connected to asdu01c 1 21
- Expansion connected to asdu01c 2 21
- Heat pump option 21
- Analog input 22
- Analog input digital input 22
- Analog output digital output 22
- Expansion 4 fan step control 22
- Expansion connected to asdu01c 1 22
- Expansion connected to asdu01c 2 22
- Exv driver 22
- A dead band is introduced to allow to reach a stable compressor condition fig 12 shows the proportional action of the controller as a function of the input parameters the proportional gain of the pd controller is given by 28
- Table 2 31
- A stage up is executed the next stage is activated if the condensing saturated temperature saturated temperature at discharge pressure exceeds the target setpoint default 43 c 110 f by an amount equal to a stage up dead band by a time depending by the difference between the reached values and the target setpoint plus stage up dead band high condensing temperature error in particular the stage up is executed when the integral of the high condensing temperature error reaches the value 50 c x sec 90 fxsec at the same manner a stage down is executed the previous stage is activated if the condensing saturated temperature falls below the target setpoint by an amount equal to a stage down dead band by a time depending by the difference between the reached the target setpoint minus the stage down dead band values and the reached value low condensing temperature error in particular the stage down is executed when the integral of the low condensing temperature error reaches the value 14 cxsec 25 47
- A step control is used fan steps are activated or deactivated to keep compressor operating conditions within the allowed envelope fan steps are activated or deactivated keeping condensing or evaporating pressure change to a minimum to do this one next fan is started or stopped at time fans are connected to steps digital outputs according to the scheme in table below 47
- Control of condensing pressure 47
- D komcp00106 12en 47 84 47
- Fan steps are activated or deactivated on the base of the staging table below 47
- Fans connection to steps 47
- Fantroll 47
- Fantroll in cooling mode 47
- Steps staging 47
- D komcp00106 12en 55 84 55
- Fig 17 unit startup sequence 55
- Start up sequence 55
- Unit start up and shut down flowcharts 55
- Unit startup and shutdown will follow the sequence shown in fig 16 and 17 55
- D komcp00106 12en 57 84 57
- Fig 19 heat recovery startup sequence 57
- Heat recovery start up and shut down flowcharts 57
- Unit startup and shutdown will follow the sequence shown in fig 18 and 19 57
- D komcp00106 12en 58 84 58
- Fig 20 heat recovery shutdown sequence 58
- Alarm view set 60
- Appendix a default settings 64
- D komcp00106 12en 64 84 64
- D komcp00106 12en 65 84 65
- D komcp00106 12en 66 84 66
- D komcp00106 12en 67 84 67
- D komcp00106 12en 68 84 68
- D komcp00106 12en 73 84 73
- Program variables description type index i o bac lon modbus coil notes 73
- D 1 supervisor list analog variables 74
- D komcp00106 12en 74 84 74
- Program variables description type index i o bac lon modbus register 74
- D 1 supervisor list integer variables 75
- D komcp00106 12en 75 84 75
- Program variables description type index i o bac lon modbus register notes 75
- Active_alarms_10 active alarms 145 160 i 10 o x 8 40139 76
- Active_alarms_11 active alarms 161 176 i 11 o x 8 40140 76
- Active_alarms_12 active alarms 177 192 i 12 o x 8 40141 76
- Active_alarms_7 active alarms 97 112 i 7 o x 8 40136 76
- Active_alarms_8 active alarms 113 128 i 8 o x 8 40137 76
- Active_alarms_9 active alarms 129 144 i 9 o x 8 40138 76
- D komcp00106 12en 76 84 76
- Active_alarms_13 active alarms 193 208 i 13 o x 8 40142 77
- Active_alarms_14 active alarms 209 224 i 14 o x 8 40143 77
- Active_alarms_15 active alarms 225 240 i 15 o x 8 40144 77
- Chlr_op_mode chiller operating mode i 19 o x 127 40148 77
- Comp_selected compressor select i 32 i x 8 40161 1 2 3 4 77
- D komcp00106 12en 77 84 77
- Nvi_mode chiller mode setpoint i 17 i x 108 40146 77
- Nvosequencestat sequence status i 22 o x 165 40151 77
- Running ok 01 off alarm 02 off rem comm 03 off time schedule 04 off rem switch 05 pwr loss enter start 06 off amb lockout 77
- Unit_stat lon chiller run mode i 18 o 8 40147 77
- Unit_status_glob unit status display i 34 o x 8 40163 77
- D komcp00106 12en 78 84 78
- Pl ntvisor configuration 79
- D komcp00106 12en 84
- D komcp00106 12en 84 84 84
- Daikin europe n v daikin europe n v daikin europe n v daikin europe n v 84
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