Control unit pCO3
Contents
1. 2 outputs that manage the speed regulators I 0 14 Fre Cool Valve 000 Recovery Valve 000 This form indicates the percentage of the signal sent to the Free cooling valve and recovery valve providing the functions are enabled I 0 15 Absorbed Current 000 0A This form indicates the current absorbed by the unit when a current limit order is enabled I 0 16 Coil Temperature 11 00 0 C 13 00 0 C 12 00 0 C 14 00 0 C This form indicates the value detected by the probes on the Swegon reserves the right to alter specifications SE pCO chiller user 120704 condenser evaporator coils of the heat pump units The form with relative fields is available for heat pump units when there are probes on the coils Gas Discharge Temperature C1 00 0 C C2 00 0 C C3 00 0 C C4 00 0 C This form indicates the temperature of delivery gas of com pressors in the screw units I 0 18 Circuit 1 Valve 1 Steps 0000 SH 00 0 C Evap 00 0b 00 0 C T asp 00 0 C This form and the following ones indicate the number of steps at which the valve is working the value of overheating the suction pressure and its conversion in degrees and the relative temperature The number of masks is equal to the number of electronic expansion valves installe I 0 22 Firmware vers Cirecuit 1 Driver 1 000 000 Driver 2 000 000 This set of forms indicates the software2. Control unit pCO FLBBOMP20A version 2 5 20120704 User manual for control unit pCO Chiller AZURA S V OMEGA V ECHOS SIGMA EIS KAPPA V EVO Swegon o Innehall Ts GENERAL fsicsstauiscvecetccccetesiind ctactsanwsStassiccdesdaudasavassccnaeatansstaabeve 3 1 1 Scope of the manual oo ee cc ccc cece cee cseeeeseeceeesseesseeetseensaes 3 1 2 Control FUNCTIONS oaia rr eee nende elelr dsb 3 2 USER INTERFAGE sinsk 3 3 MENU MASKS 30 Mali MENU vase eiet an hate males EO ao WS NEON ERE ME 4 3 3 Mascher M NUiisumrsptar anmiggk ann ncieuteaisauneiansapgarsaninainbensanmtancdad 5 JA Set MASKS aonni a a a AT 6 BIO MASKS urena e a ikke AE 6 3 6 Clock Masks 3 7 Maintenance Masks 4 UNIT FUNCTIONING AT Uniti Stand Dyo syn a RE 4 2 Enabling and stopping the Unit esse eee eneeennrnnnnee 9 4 3 Functioning in chiller and heat pump mode 2 9 4 4 Functioning with double set 5 ALARM MASK Eee nedb Source language of document is italian 2 www swegon com SE pCO chiller_user 120704 Swegon reserves the right to alter specifications Swegon 1 GENERAL 1 1 Scope of the manual The scope of this manual is to supply all necessary informa tion for the use of the pCO control The information found in this manual refers to the use of the control in the various types of unit in which it can be in Stalled It is therefore part of the documentation and integral with that stated in the Instruction use and maint
3. enance manual specific to the unit Considering the wide range of units that this control can manage this manual surely contains more information than those regarding a specific unit 1 2 Control functions The electronic control with pCO microprocessor and FLBBOMMTTF program has been designed to manage chiller units refrigerants and heat pumps The program envisions the possibility by means of appropri ate configuration to mange water and air cooled units with shell amp tube and plate heat exchangers with independent and parallel refrigerant circuits essentially with hermetic compressors The management of a chiller unit means the control of functioning of the parts that make up the various envisioned functioning stages in complete safety Swegon reserves the right to alter specifications SE pCO chiller user 120704 2 USER INTERFACE The user interface is made up from 6 keys and a display with 4 lines This interface can be used to start stop and check unit func tioning The information that appears on the display allows to know the functioning status of the unit and the six keys can be used to perform all operations necessary for use The functions of the six buttons are as follows _ Button up arrow to scroll through the forms in the branches and to increase values in the various fields Button down arrow to scroll through the forms in the branches and to decrease values in the va
4. fter having scrolled the options of the mask upwards or downwards using the arrow keys until Menu appears in large dimensions on the central part of the display confirm using the enter key Except for the main mask MENU_1 the others present are linked to the functions enabled MENU 1 Ref Water 00 0 C Set 00 0 C System Off Chiller Operation In this mask it is possible to read the temperature of the re ference water for functioning of the chiller unit the set point set the functioning status it will be given even if the unit has been switched off from digital input or supervision and the functioning mode This is the mask that appears on unit start up and to which the program returns automatically MENU 2 Unload Compressors Operation The mask will be present in the loop when the compressors are in operation MENU 3 Free Cooling Off line Recovery Off line The mask appears in the loop only when free cooling and recovery are in progress MENU 4 Dual Set Point Operating Mode Operation HIGH Set 00 0 C The mask only appears if functioning is envisioned with dou ble set point The active set and its value can be read Swegon reserves the right to alter specifications SE pCO chiller user 120704 MENU 5 Delay Unload 00000s Delay Load 00000s Actual set 00 0 C Dead Zone The mask only appears when the
5. imensions on the central part of the display confirm using the enter key I 0 OL Water temperatur Reference 00 0 C Outlet 1 00 0 C Outlet 2 00 0 C I 0 2 Water Temperatur Outlet 3 00 0 C Outlet 4 00 0 C I 0 13 Recovery Temperature 00 0 C I 0 12 Water Temperatur Well 1 00 0 C Well 2 00 0 C I 0 12a Water Temperatur Well 3 00 0 C Well 4 00 0 C I 0 11 External Temperature 00 0 C Inlet water Temperature 00 0 C The values read by the relative probes will appear in this series of masks The masks really present depend on the features of the unit I 0 3 Compressor 1 H 00 0 L 00 0 O 00 0 B 00 0 B 00 0 D 00 0 D 00 0 The pressure values read by the relative probes will appear in this series of masks The masks really present depend on the features of the unit Swegon reserves the right to alter specifications Swegon I 0 07 Digital Inpout Status 1 25 00000 00000 00000 00000 00000 I 0 8 Digital Outpout Status 1 18 AAAAA AAAAA AAAAA AAA I O 9 Digital Outpout Status 19 36 AAAAA AAAAA AAAAA AAA The status of the digital inputs and outputs appear in these masks C closed A open The masks really present depend on the features of the unit I 0 10 Fan Speed Y2 000 Fan Speed Y4 000 This form indicates the percentage of the signal sent by the control to the
6. ll display the values read by the analogue inputs and the status of the digital inputs and outputs To enable the unit from the stand by condition Close the digital input for the remote consent envisioned between clamps 1 and 2 Give the start command from the keyboard or via super vision serial port and or Boss if these control systems are envisioned Start functioning from keyboard 4 2 Enabling and stopping the unit The unit is intended as enabled for functioning when the outputs can be activated automatically following plant requi rements This condition exists when all functioning consents seen in the previous paragraph are present simultaneously The activation of functioning from the keyboard takes place in the On off mask Once functioning has started the control sees the plant re quirements by reading the reference water probe in the case of stand alone functioning and by the signal sent from the Boss if functioning in a network with other units The activation of the control outputs that command the various parts of the chiller unit takes place automatically as programmed on the control in order to guarantee good functioning of the unit 4 3 Functioning in chiller and heat pump mode All refrigerant units function as water chillers As well as cooling water for summer air conditioning the heat pump units can also heat it for winter heating The temperature of the water for air conditio
7. n Off and Change The arrow keys are used within the branches to change the masks Except for the main menu place the cursor in the field in thetop left on every mask To move around the fields where it is possible to insert or change values the enter key must be used The arrow keys can be used to vary the set value in a field selected using the enter key By pressing the enter key again the modified value is con firmed Pass to the next field 4 www swegon com SE pCO chiller user 120704 3 2 On off mask The unit can be started or stopped in this branch Access to the branch takes place from any mask by pressing the prg to access the main menu in order to select the branch After having scrolled the options of the mask upwards or downwards using the arrow keys until On off appears in large dimensions on the central part of the display confirm using the enter key Unit Off Press on lt for turn on By pressing the enter key the unit is started if it is at a standstill or stopped if it is functioning Swegon reserves the right to alter specifications Swegon 3 3 Maschere Menu All general parameters that concern unit functioning are available in the Menu branch Access to the branch takes place from any mask by pressing the Esc key or by pressing the prg to access the main menu for the selection of the branch A
8. ning and hea ting is set in the factory at the design values normally used anyhow it can be modified within limits The functioning change over from summer to winter can take place automatically by external consent or can be controlled from the keyboard The choice of the mode in which functioning change over is performed is made in the factory and it can only be modified by a technician The modification of the water temperature values and the functioning change over when it is envisioned that this takes place from the keyboard can be performed in the Set branch masks 4 4 Functioning with double set Some units for particular plants can supply cold water at two temperatures normally even if it is not the rule one positive and one negative Swegon reserves the right to alter specifications SE pCO chiller_user 120704 The two set functioning values are factory set according to the requests of the design However they can be modified within envisioned limits The functioning set variation can take place automatically from external consent or can be controlled from the key board The choice of the mode in which functioning set change over is performed is made in the factory and it can only be modi fied by a technician The modification of the functioning set and the change over when it is envisioned that this takes place from the keyboard can be performed in the Set branch www swegon com 9 S
9. outlet temperature control function is enabled The power decrease and increase delays can be read These are expected by the control when the temperature of the reference water is out of the dead zone When the temperature of the reference water is out of the dead zone an asterisk appears on the last line MENU 6 Unit Working 000 Compressors Running 0 N Unload 0 Stepless 000 This form appears regardless of the unit s configuration alt hough the number of lines in the form depends on the type of compressors and capacity controls The first line indicates the percentage of capacity required by the system corresponding to the amount enabled on the unit the second line indicates the number of enabled com pressors the third line indicates the number of capacity con trols if there are compressors with capacity step control and the fourth line indicates the percentage of capacity control if it is stepless www swegon com 5 Swegon 3 4 Set Masks The main functioning parameters can be set in the Set branch To enter the SET branch after having scrolled the options of the mask upwards or downwards using the arrow keys until SET appears in large dimensions on the central part of the display confirm using the enter key SET 1 Set Point Summer 00 0 C Winter 00 0 C The summer set point can be set in this mask and if functio ning is envisioned that in the heat pum
10. p SET 2 Dual Set Point Sel HIGH This mask only appears if functioning has been envisioned with double set point and the set point change over has been envisioned from the keyboard It is therefore possible to change the functioning set point from HIGH to LOW and vice versa SET 3 Set Point HIGH 00 0 C LOW 00 0 C Only if the operation has been anticipated with double set point this mask it will appear and it will be possible to vary the planned set point values SET 4 Set Point Recovery 45 0 C This form will only appear if heat recovery operation is pos sible and the recovery set can be changed SET 6 Set Point 0 Outlet Alarm 0 Max temp 1 o o o ow OO aaa This form will only appear if heat recovery operation is pos sible and the recovery set can be changed SET 7 Set running SUMMER This form only appears for chiller and heat pump units and allows you to change the operation from SUMMER to WIN TER and vice versa if the same function is not available from digital input 6 www swegon com SE pCO chiller_user 120704 3 5 I O Masks In the I O branch it is possible to see the status of all digital and analogue inputs and outputs To enter the I O branch after having scrolled the options of the mask upwards or downwards using the arrow keys until I O appears in large d
11. rious fields Button Button enter to confirm a selection access the various branches and change the parameters A Button Button alarm to stop a buzzer to Te display and if required cancel active alarms P Button Button prog to access the loop of Prg i i forms in the various branches Esc This button returns you to the main display www swegon com 3 Swegon 3 MENU MASKS The groups of information that appear on the display are col lected into masks The masks are then gathered into homogeneous groups Some can be accessed at any time using the keys others signals and alarms only when the correct conditions are present The masks that can be accessed at any time are organised in a tree diagram with a main menu and various sub groups 3 1 Main menu The following branches are envisioned in the main menu Service Maintenance GSM Clock Menu Set I O and His torical For access to the various branches after the prg button has been pressed the control presents a mask containing a continuous loop where all available menus are proposed on three lines The mask is made up from two lateral lines with normal depth and a double central one which corresponds to the branch selected as in the following example M MAIN SCROLL Change Menu Set The complete loop is Menu Set Point I O Clock GSM Maint Service O
12. t ups of the various unit components can be displayed in this branch Access to the branch takes place from any mask by pressing the prg key to access the main menu to select the branch After having scrolled the options of the mask upwards or downwards using the arrow keys until Maintenance ap pears in large dimensions on the central part of the display confirm using the enter key MENU 1 Operation Hours Unit 00000 P1 0000 P2 00000 P3 0000 PFC 00000 MENU 2 Operation Hours C1 0000 C2 00000 C3 0000 C4 00000 c5 0000 c6 00000 MENU 3 Operation Hours C7 0000 C8 00000 c9 0000 C10 00000 C11 0000 C12 00000 MENU 4 Operation Hours C13 0000 C14 00000 C15 0000 C16 00000 MENU 5 Starting Unit 00000 P1 0000 P2 00000 P3 0000 PFC 00000 MENU 6 Starting C1 0000 C2 00000 C3 0000 C4 00000 C5 0000 C6 00000 MENU 7 Starting C7 0000 C8 00000 c9 0000 C10 00000 C11 0000 C12 00000 MENU 8 Starting C13 0000 C14 00000 C15 0000 C16 00000 The masks really present depend on the features of the unit that the control manages Swegon reserves the right to alter specifications Swegon 4 UNIT FUNCTIONING 4 1 Unit in stand by The unit is in stand by when it is correctly powered from the electric side and hydraulic side but is not enabled to function In this condition the control wi
13. version for each driver I 0 99 Unita Multi Compr 00 BLUE BOX Cod FLBBOMMTTF Ver 00 00 dd mm yy The code the version and state of issue of the program and the address in the unit pLAN when boss runner functioning is envisioned appear in this mask I O 100 Testing Date dd mm yyyy Inspector Code 00000 The date of inspection and the inspector s code are given in this mask www swegon com 7 Swegon 3 6 Clock Masks In the Clock branch it is possible to read the current time and if necessary set the exact time To enter the Clock branch scroll the selections upwards or downwards using the arrow keys until Clock appears in large dimensions on the central part of the display confirm using the enter key After having entered the branch by pressing an arrow key access the mask to set the password The clock branch password is 00001 Orol 1 Date 00 00 00 dd mm yy Hour 00 00 hh mm The current date and time appear in this mask Orol 2 Clock Password 00000 The password must be set in this mask in order to enter the mask that allows to correct the date and time Orol 3 Date 00 00 00 dd mm yy Hour 00 00 hh mm The correct date and time appear in this mask 8 www swegon com SE pCO chiller_user 120704 3 7 Maintenance Masks The functioning hours and the number of star
14. wegon 5 ALARM MASK Any cause of bad functioning detected by the control enables an alarm mask The active alarm masks will only appear after the alarm key has been pressed The first time the alarm key is pressed any acoustic signal will be excluded the second time it is pressed the active alarm mask will appear or if there is no alarm active the ALL_1 mask will appear All alarms present are cancelled the third time it is pressed If you remain inside an alarm mask for thirty minutes without pressing any key the display will go back to the first mask of the menu branch ALL 1 Alarm This mask appears when the alarm key is pressed twice and no alarm is active All masks envisioned for signals and alarms in the software are stated below The scope of the list of masks is to be able to help the after sales assistance informing them of the type of alarm In all cases if the alarm persists an intervention must be requested from an after sales centre Non qualified persons must not intervene on the chiller unit Example of alarm mask ALL 6 High Pressure Circuit 1 10 www swegon com SE pCO chiller user 120704 Swegon reserves the right to alter specifications
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