Compu-aire SYSTEM 2500 User Manual Download Page 29

 

Rev.01  03-27-17 

Page 29 of 71 

Compu-Aire

 

 

 

Main Menu 

 

Setpoint 

 

Temperature (Cooling/Heating)  

 

Humidity (If applicable) 

 

Discharge (If applicable) 

 

Dehumidification (If applicable) 

 

Economizer (If applicable) 

 

Cooling Assist (If applicable) 

 

Equipment Runtime 
Each individual run hour can be reset via the reset button. Pressing the reset button will reset 
counter to zero. The following operating counters are accessible. 

 

Evaporator fan 

 

Compressors 

 

Chilled water valve 

 

Humidifier 

 

Filter 

 

Electric reheat 

 

Alarm log 

Active alarm:   View current active alarms. 
Alarm history:  View previous stored alarms.   
Reset alarms:  Reset all active alarms. Note alarm history is stored in flash and cannot 

be cleared. 

 

 

Figure 9. Alarm Status 

Summary of Contents for SYSTEM 2500

Page 1: ...v 01 03 27 17 Page 1 of 71 Compu Aire SYSTEM 2500 PROGRAMMABLE CONTROLLER USER MANUAL 8167 Byron Road Whittier CA 90606 Phone 562 945 8971 Fax 562 696 0724 SUBJECT TO CHANGE WITHOUT INCURRING OBLIGATI...

Page 2: ...Cooled Energy Miser 15 3 8 Dry Fluid Cooler with Energy Miser 17 3 9 Special Pump and Dry Fluid Cooler control logic 19 3 10 Optional features 20 4 0 CONFIGURATION 20 4 1 Software version 20 5 0 TECHN...

Page 3: ...1 Modbus 51 8 1 1 Mounting 51 8 2 LONWORKS 53 8 2 1 General characteristics 53 8 2 2 Physical channels 53 8 2 3 Physical Circuit Board Layout 53 8 2 4 LED Color Description 54 8 2 5 Installation 54 8...

Page 4: ...9 SNMP 61 8 3 10 BACNET 61 8 3 11 WARNINGS 62 8 4 BANET over MS TP For BMS Card add on 63 8 4 1 Installation 63 8 4 2 Meaning of the jumpers 64 8 4 3 Operation 64 8 4 4 Recalling the factory configura...

Page 5: ...17 Sensor calibration 34 Figure 18 Display setup 35 Figure 19 Manual controls 35 Figure 20 Network p LAN menu 36 Figure 21 IP address 37 Figure 22 Rotation schedules 37 Figure 23 Network configuratio...

Page 6: ...e and time 49 Figure 45 Night setback 50 Figure 46 Building management system 50 Figure 47 Communication protocol 50 Figure 48 LONTalk Card 53 Figure 49 Remove plastic cover 55 Figure 50 Cut out windo...

Page 7: ...ith built in navigation keypad and LED indicators allowing the users to easily set the controlled parameters for setpoints dead bands alarm thresholds and carry out the main working operations on off...

Page 8: ...re configured per system configuration Further modification may be required to better fit the application Figure 1 User Interface 1 Power Link LED Solid green Normal operation Flashing green loss comm...

Page 9: ...mpressor stage Active Green OFF Black Heating stage Active Red OFF Black Demand output Pumpdown mode Evaporator fan Humidifier mode Cooling mode Dehumidification mode Heating mode Econ cooling assist...

Page 10: ...and relative humidity 2 Room return temperature and humidity setpoints 3 Cooling stages 4 Mode of operation 5 System ON OFF control 6 System demands outputs 7 Heating stages 8 Navigation system Main m...

Page 11: ...afe operation For example when compressor failure occurs the failed compressor shall be locked out but the system shall provide cooling by other compressor if available On a heater failure the heaters...

Page 12: ...to work independent of each other The Chilled Water System comes standard with a three 3 way water modulating valve coil and an optional no water flow switch The DX system is equipped with a DX coil c...

Page 13: ...e If chilled water supply temperature is selected for switch over than the unit shall continue with chilled water cooling if the chilled water supply temperature is below the required temperature setp...

Page 14: ...temperature When outdoor air is not suitable for economizer cooling the Economizer shall be locked out and the outdoor air damper shall maintain minimum position while the indoor fan is operating Upo...

Page 15: ...em at 45 deg F entering water temperature The indoor unit will send a signal to enable and disable the outdoor auxiliary equipment The outdoor equipment has its own control logic to provide water temp...

Page 16: ...of flow to auxiliary energy miser cooling coils and maintain constant temperature and relative humidity Energy miser systems are connected to Cooling Tower or Dry Fluid Coolers to obtain re circulatin...

Page 17: ...l control box The Dry Fluid Cooler shall be arranged for Vertical Air Flow The Glycol Coil shall have aluminum fins bonded to copper tubes and shall have full collars that completely cover the copper...

Page 18: ...below 50Deg F the aqua stat 1 will close and DFC unit will switch over to free cooling energy miser mode In Energy Miser mode all other aqua stats aqua stat 2 3 and 4 will be bypassed and all fans wil...

Page 19: ...tly to allow pump minimum operating speed to be maintained should zone loads decrease thus decreasing flow below safe pump operation Outside air temperature reaches 48 deg F Pump controls switch to fr...

Page 20: ...mmand computer or to an existing building automation system The System 2500 is truly one of the most powerful and flexible controllers available for HVAC units today 4 0 CONFIGURATION The display unit...

Page 21: ...e created to customer request The controller runs the control program and is fitted with the set of terminals required for connection to the devices compressors fans etc The program and the parameters...

Page 22: ...h screen interface 5 3 Mechanical Characteristics SMALL 13 DIN modules 110 x 227 5 x 60mm Plastic container Assembly Fitted on DIN rail as per DIN 43880 and IEC EN 50022 Material techno polymer Flame...

Page 23: ...vices alarms device status indicators and remote switches Digital inputs are not optically isolated and have voltage free connects Figure 6 Digital inputs Note Separate the probe and digital input sig...

Page 24: ...0mA voltage inputs dry contact or PWM The maximum number of analog inputs that can be connected to the universal inputs outputs depends on the type used WARNING The 21VDC available at the Vdc terminal...

Page 25: ...ded cable 200m 150mA from controller AWG20 22 shielded cable 500m Separate power via TCONN6J000 The maximum cable length between the two controllers using AWG20 22 shielded cable is 500 meters Note A...

Page 26: ...v 01 03 27 17 Page 26 of 71 Compu Aire 5 10 Standard Input Outputs The following table defines standard I O ports for the System 2500 controller Refer to the electrical wiring diagram for actual wirin...

Page 27: ...network that operates as a single entity enhancing the already high performance and efficiency of units System 2500 controllers are available as factory installed assembly Remote console box with gra...

Page 28: ...n time pressing the key will take the screen back to the previous menu Figure 8 Menu tree Main Menu Setpoint Equipment runtime Alarm log System status BMS Trending Time Schedule About Switch user Tech...

Page 29: ...dividual run hour can be reset via the reset button Pressing the reset button will reset counter to zero The following operating counters are accessible Evaporator fan Compressors Chilled water valve...

Page 30: ...ing or reverse acting Universal inputs show all the analog sensors Analog outputs shows the current output value in 0 100 0 0Vdc 100 10Vdc Optional sensors show derived reading from connected sensors...

Page 31: ...o protocol and baud rate requires system power cycle Supporting protocol includes BACnet TCP IP BACnet MS TP Modbus and LonTalk Figure 13 Communication ports RJ45 port two equivalent 10 100Mbps Ethern...

Page 32: ...and plotted for every 3 seconds The following sensors are supported Room temperature Room humidity Discharge temperature Water in temperature Figure 15 Trending plot Trending history Start a real time...

Page 33: ...to update time date Tab on the desired field in the combo box Use up down arrow keys to update the values How to edit schedule Note Schedule name is fixed and not editable Tape on the desired schedul...

Page 34: ...e 65 85 30 Humidity 25 65 30 Discharge temp 35 150 30 Compressor 35 355 60 Unit in PSI Fire stat temp 125 30 Fan feedback 30 Condensate overflow Alarm Condensate pump Shutdown Sensor calibration Defau...

Page 35: ...s Brightness 255 Alarm buzzer OFF Only available on 13 screen Display Control Sync 1 Figure 18 Display setup Manual Controls Analog and digital outputs can be overridden at any given time Each outputs...

Page 36: ...ts setpoints Standby units are remained in waiting mode and ready to rotate based upon alarm events or a rotation timers Alarm Switchover Each unit can be individual configured to switch over to the s...

Page 37: ...Cnet BMS communication option Figure 21 IP address Schedule Network rotation supports the following mode Note that master unit is keeping track of all of the functions Mode Description OFF No rotation...

Page 38: ...all networked units Internal Each unit shall use its own sensors Master Each unit shall use master sensors Average Sensors from all networked units are used as averaging Figure 23 Network configurati...

Page 39: ...s assigned a base IP address All the slave units are assigned in the mapping table as shown in the Figure below Figure 25 IP Configuration The Figure above shows the following settings are configured...

Page 40: ...ation Network rotation map is configured by setting units as Active or Standby Force rotation is also achievable through this menu Figure 26 Network rotation map The above image shows system 1 and sys...

Page 41: ...re alarm ON OFF Hum hi lo hi lo humidity alarm ON OFF Compressor hi lo pressure alarms for all circuits ON OFF Condensate Condensate leak detector ON OFF Smoke Smoke alarm ON OFF Pump Condensate pump...

Page 42: ...rk assist functions are supports Once delay timeout all standby units shall come online and perform assist function Once setpoints are satisfied previous standby systems shall go back in standby mode...

Page 43: ...umidity MA temp Mixed air temperature MA hum Mixed air humidity OA temp Outside air temperature OA temp Outside air humidity DA temp Discharge air temperature after reheat if any LPT1 PSI Low pressure...

Page 44: ...s taken place Support function OFF No function Cool Cooling output Heat Heating output Humidifier Humidifier output Supply fan Supply fan output HG bypass Hotgas bypass Economizer Air or chilled water...

Page 45: ...Air flow No air flow switch Smoke al Smoke alarm Heater OL Heater overload Condensate WOF Condensate water Water Flow Water flow switch C1 2 low pressure C1 2 high pressure Pump al Pump failed alarm...

Page 46: ...wed but not recommended unless instructed by the factory representatives Supported output functions OFF Supply fan Heat 1 Heat 2 Heat 3 Heat 4 Heat 5 Compressor 1 Compressor 2 Liquid 1 Liquid 2 Unload...

Page 47: ...outputs Default values are shown below Control By Input sensor Type Control type for PID P Dband Deadband Delay Delay time in second before the output takes place Bump Output bump control Set Current...

Page 48: ...ning Figure 39 Economizer PID tuning Figure 40 Assist PID tuning Figure 41 Hotgas bypass PID tuning Figure 42 Condenser fan PID tuning 7 6 Loading System Default Loading system default returns system...

Page 49: ...evel 2 Password 2 Factory Setting 1798 7 8 Clock Setup The controller features an internal clock Current time and date are backed up by an internal Lithium Ion battery Consult the factory for battery...

Page 50: ...gh the add on BMS Card interface Supporting protocol is enabled by a plug in communication card Figure 46 Building management system Figure 47 Communication protocol Protocol Description Default Baud...

Page 51: ...Remove the pre punctured plastic piece corresponding to the card being installed 3 Insert the optional card into the corresponding connector confirm the card is firmly placed on both plastic supports...

Page 52: ...or card ground yourself not touching the card does not prevent a spike as static electricity can produce a 10000V spike discharge which can form an arc of about 1cm All components must be kept inside...

Page 53: ...ending on the model the interface boards communicate via two physical channels TP FT 10 and TP RS485 39 as described in the LonWorks literature The LONTalk card uses an Echelon FTT 10 transceiver appr...

Page 54: ...ATE ON THE CONTROLLER HAS BEEN SET TO 4800 BAUD 8 2 5 Installation WARNING Please use extreme cautions when handling the board Electrical damage may occur to the electronic components as a result of e...

Page 55: ...troller If the controller supervisor serial communication has been set to use the Carel protocol at 4800 baud the red LED on the board will come on for a few seconds and then will go off immediately i...

Page 56: ...9 WINK event A generic supervisor can send the WINK command to a specific node on the LonWorks network This generates an event that the application on the specific node can respond to with any action...

Page 57: ...e electrical panel near the controller so that the MAC ADDRESS can be read without needing to open the electrical panel for the connection to the Ethernet network use an S FTP cable category 5e or hig...

Page 58: ...th DHCP 8 3 4 Restarting the software To restart the software when the board is in stable operation that is with the status LED flashing regularly press and hold the button for between 5 and 10 second...

Page 59: ...browser on the PC must have the option corresponding to the use of a proxy server disabled If the network settings on the PC and the browser are correct typing the IP address of the pCOWeb in the add...

Page 60: ...owser A client application can thus control and monitor the controller that the pCOWeb board is installed on from a remote location The HTML pages can be easily created and downloaded to the pCOWeb by...

Page 61: ...o set attributes function is available in the administrator pages To activate this function simply click the Adjust HTML pages attributes link it is recommended to do this whenever modifying one or mo...

Page 62: ...precautions must be taken when handling these components in particular Before handling any electronic component or board touch an earthed object avoiding contact with a component is not sufficient as...

Page 63: ...ilable this operation may be complex as a result insert the PCOnet card at an angle then tilt it back until the connectors line up 3 Insert the required jumpers see below for the meanings of these 4 F...

Page 64: ...e 7 8 4 3 Operation The Status LED left indicates the status of communication with the controller and the status of the PCOnet Starting sequence on power up or after restarting PCOnet the Status LED s...

Page 65: ...PCOnet keeps the Token control of the MS TP network green OFF PCOnet DOES NOT keep the Token red on Poll For Master search for a Master to pass the Token to Green and red ON together BACnet MS TP mea...

Page 66: ...confirms recognition of the button by flashing QUICKLY 3 times red off and then comes on green again Complete start up of the PCOnet will take another 40 seconds then the RS485 LED starts flashing on...

Page 67: ...units Max Master should be set to the Station Address of the Master with the highest Station Address In fact each Master after having used the network passes over control to the next Master The Max Ma...

Page 68: ...Press the alarm button following by pressing the down arrow key until Reset shows on the screen Tap the Reset button on the screen to clear the alarm Screen nonresponsive Missed calibration See Screen...

Page 69: ...p open the sensor module and verify that the setting on the temp hum sensor board is set to 0 1V Power supply Check for proper 24VDC coming on G and GND at the sensor board Water damage Check for wate...

Page 70: ...lt the electrical wiring for more detail Dirty Filter Clogged filter Check and replace filter if necessary Sensitive switch Check the dirty air filter switch and recalibrate the sensitivity level if n...

Page 71: ...7 Page 71 of 71 Compu Aire TECHNICAL SUPPORTS www compu aire com Tel 562 945 8971 Fax 562 696 0724 UNITED STATES OFFICE Compu Aire Inc 8167 Byron Rd Whittier CA 90606 SUBJECT TO CHANGE WITHOUT INCURRI...

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