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AIR COOLED · ADIABATIC · FLUID COOLERS · CO

2

 GAS COOLERS · REFRIGERANT CONDENSERS

EVAPCO Controller User’s Manual

For EVAPCO authorized parts and 

service, contact your local EVAPCO 

representative today! 

Содержание eco-Air Series

Страница 1: ...AIR COOLED ADIABATIC FLUID COOLERS CO2 GAS COOLERS REFRIGERANT CONDENSERS EVAPCO Controller User s Manual For EVAPCO authorized parts and service contact your local EVAPCO representative today...

Страница 2: ...Screen Navigation 7 Navigating the Display 7 Modifying a Value 8 Navigating the Scheduler 8 Operator Interface Screens 10 Welcome Screen 10 Home Screen 10 Status Screen 12 Alarms Screen 13 Main Menu...

Страница 3: ...require any additional information about the operation or maintenance of this equipment contact your local EVAPCO representative You may also visit www evapco com for more information Installation and...

Страница 4: ...be used as the main electrical disconnect for the eco Air unit Otherwise separate electrical disconnects may be required Consult applicable electrical codes to make this determination Avoid mounting t...

Страница 5: ...ir unit the supplied temperature or pressure sensor must be wired to the junction box location on the connection end of the eco Air unit Figure 3 If the EVAPCO Controller does not ship factory mounted...

Страница 6: ...eration of each position is as follows Auto The Auto position allows the EVAPCO Controller to operate the eco Air unit based on the logic programmed into the Controller Note that the unit must be swit...

Страница 7: ...dify several setpoints that affect the operation of the eco Air unit The operator interface of the EVAPCO Controller Figure 5 provides an overview of the various screens and menus of the EVAPCO Contro...

Страница 8: ...change a parameter for the setpoint temperature Navigating the Scheduler Several functions of the EVAPCO Controller can be scheduled to operate during certain periods of the year or at certain times o...

Страница 9: ...function will be activated for that timeframe Note that the first block represents 12 00am to 12 30am The 8 00pm to 12 00am blocks are selected Proceed to Saturday by pressing the Next button Continu...

Страница 10: ...will reappear Touching the HMI will return the screen to the Main Home Screen The EVAPCO Controller Welcome Screen Home Screen The Main Home Screen shown in Figure 11 displays the process temperature...

Страница 11: ...cooling system is inactive solenoid valve is closed Pre cooling system is active solenoid valve is open Table 1 The states of the pre cooling system status indicator While there is an active alarm th...

Страница 12: ...process temperature falls below the process setpoint while the precooling system is active the decrease timer will begin to increment until a predetermined value is reached Once the value is reached...

Страница 13: ...ms Screen The System Alarms Screen displays all active alarms as well as a log of previous alarms To scroll through the list a single touch scroll up and down is used The Acknowledge button will chang...

Страница 14: ...that triggered the alarm is cleared the time stamp will be displayed in the RTN Time column Status Image Active Ack Return Table 3 The states of alarms Some alarms require a reset on the operator int...

Страница 15: ...u Screen On Off Unit Screen The On Off Control screen shows and allows the operator to set the current operational status of the eco Air unit When the eco Air unit is not controlled via an external so...

Страница 16: ...to the EVAPCO Controller Off by HMI Unit is turned off manually and may only be enabled via the On Off Control Screen Off by Alarm The unit has been turned off due to an alarm Table 4 The operational...

Страница 17: ...desire routine is set to run via the scheduler except the flush routine the scheduler will not operate as selected If equipped with a precooling system the precooling system may be set to run only du...

Страница 18: ...entering the information press the Update button The Clock Adjustment Screen Daylight savings can be enabled in the screen shown in Figure 21 Table 7 gives a description of the functionality based on...

Страница 19: ...r Service Screens The Service Screens allow the user to change setpoints timers and other parameters that affect the operation of the eco Air unit The Service menu is inaccessible until logging in Fig...

Страница 20: ...play the service submenu options as shown in Figure 24 If the unit is enabled the options for I O Test and BMS Network will not be available Turn the unit off to enable these options as shown in Figur...

Страница 21: ...series of screens that allow various setpoints and options that directly affect the operation of the ecoAir unit to be adjusted The screen shown in Figure 27 allows the process sensor to be changed No...

Страница 22: ...4A R422A R32 R452B R452A Custom Table 9 The preprogramed refrigerants If a refrigerant is required that is not available for selection in Table 9 Custom should be selected in the drop down This will e...

Страница 23: ...o Proportional the fan speed will be scaled linearly based on the desired setpoint and a differential band parameter Parameter Description Proportional Controls the fan speed by subtracting the proces...

Страница 24: ...scheduler or a digital input If the quiet mode fan speed is less than the energy saving fan speed the precooling system will be prevented from operating See Figure 7 for setup information When cooling...

Страница 25: ...duler ambient temperature or digital input Temperature Proportional Band Determines the temperature band between the minimum and maximum fan speed 10 F Table 11 A description of the P regulator parame...

Страница 26: ...e above the minimum allowable temperature setpoint at which the precooling system may activate 5 0 F Table 13 A description of the pre cooling system minimum operating ambient temperatures In order to...

Страница 27: ...n and low water usage of precooling systems equipped with adiabatic pads it may take several minutes for the precooling system to become fully effective To prevent the precooling system from cycling d...

Страница 28: ...Setpoint 2 Trigger Source Sets the secondary setpoint trigger as disable ambient temperature scheduler or digital input Disable Ambient Setpoint The temperature above which the secondary setpoint is t...

Страница 29: ...shown in Figure 97 The settings screen allows for the adjustment of the working hours and sensor probe values The value of the process temperature or pressure transducer and ambient temperatures senso...

Страница 30: ...able Manual Speed The manual fan speed setpoint 0 Table 21 The manual fan speed parameters The Stage Override allows any stage of the precooling system to be enabled or disabled manually Note that man...

Страница 31: ...orm an I O test the eco Air unit must be switched off Figure 18 The test must first be enabled After being enabled the digital outputs may be manually turned On and Off This feature should only be use...

Страница 32: ...he Update button will restart the PLC BMS configuration screen for serial and Ethernet communications Parameter Description Default Protocol Select which protocol will be communicated on the serial ne...

Страница 33: ...User Manual Manufacturer Screens The Manufacturer Screens are for use by EVAPCO authorized factory technicians to configure the EVAPCO Controller The main menu screen highlighting the Manufacturer but...

Страница 34: ...puts a PID controller attempts to minimize the difference between a measure process variable and a desired setpoint PLD Programmable Logic Controller A programmable microprocessor that performs switch...

Страница 35: ...is unable to communicate with EC fan motor 2 Fan 3 Offline The controller is unable to communicate with EC fan motor 3 Fan 4 Offline The controller is unable to communicate with EC fan motor 4 Fan 5 O...

Страница 36: ...The line voltage of the motor is faulty Fan 1 Current Limitation Engaged Warning The fan controller is limiting the current based on internal calculations of the maximum permissible current Fan 1 Line...

Страница 37: ...ower has reached the maximum permissible power and the drive is limiting the current Fan 1 Voltage Limit Warning The motor power has reached the maximum permissible power and the drive is limiting the...

Страница 38: ...38 Controller User Manual Notes...

Страница 39: ......

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