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multi chiller

English

UNIQUE MANUAL

Control system for the management of several chillers

0609 - 5148051_01

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Summary of Contents for Multichiller

Page 1: ...multi chiller English UNIQUE MANUAL Control system for the management of several chillers 0609 5148051_01...

Page 2: ...from the improper use of the machine or from the partial or superficial reading of the information contained in this manual Warning this product contains electric and electronic equipment that cannot...

Page 3: ...cription of physical key function 9 Description of virtual key functions 10 Main menu 10 User Menu 11 Display Menu 14 Setup Menu 17 Adjustment logic 23 Adjustments for load LOAD 23 Adjustments for loa...

Page 4: ...it is switched off by the Multichiller itself 3 Centralisation of information regar ding the state of the machine in a uni que display ON OFF Set point Detailed chiller alarms Chiller temperature and...

Page 5: ...X240 pixel Colori Touch screen 320X240 pixel Colori Touch screen Programming Key Fuse Prg Esc Programmi n g Key Fuse Multichiller architecture It is a PCO1 controller and PGD3 touch screen display The...

Page 6: ...Fuse BMS Prg Esc Programming Key Fuse Programming Key Fuse Programming Key Fuse chiller 1 chiller 2 chiller N master master master slave 1 slave 2 modbus multichiller MODBUS RS485 interfaccia AER485P...

Page 7: ...7 chiller 1 BMS modbus multichiller Prg Esc chiller 2 chiller N SET R C1 C2 L R SET R C1 C2 L R SET R C1 C2 L R AER485 AER485 AER485 Multichiller GR03 interface hardware...

Page 8: ...t Contact closed double set enabled ID4 Enabling of multifunction inputs Mult Contact closed multifunction enabled ID5 Flow meter 1 FL1 ID6 Flow meter 2 FL2 ID7 Flow meter 3 FL3 ID8 Not used DIGITAL O...

Page 9: ...from the last field D No function E When pressed once it allows visualisation of the alarms that have intervened and switches off the alarm buzzer When in alarm visualisation pressing a second time de...

Page 10: ...e installation menu where the para meters for the definition of the plant and the type of check to be carried out are set A virtual key appears in the plant synoptic window identified by a small chill...

Page 11: ...s remain always active The Multichiller with this parameter in OFF only functions as plant super visor Global On Off centralised switch on off control of all chillers Chiller Cooling Set cold function...

Page 12: ...enabled External Compensation Heat visualisation of hot set point compen sation obtained from analogue input if function is enabled Note This window allows access to alarms reset of the individual ch...

Page 13: ...Off indicates if the plant is switched on or off by the weekly time programming When programming is disabled the status is always On Note Day selects the day of the week for which the time period is t...

Page 14: ...y if the flow meter contact is open it is not taken into consideration when adjusting the temperature of the respective probe They are read by the Multichiller SUW chiller 1 9 the temperature of the w...

Page 15: ...d to those on the display Note Chiller model Serial address On Off state of the chiller and functioning mode Circuits 1 and 2 alarm summary the flashing symbol LED indicates an alarm is present Compre...

Page 16: ...play Note Chiller model Serial address Card selection Master Slave 1 2 3 if present On Off state of the chiller and functioning mode Circuits 1 and 2 alarm summary the symbol flashing LED indicates an...

Page 17: ...of chiller up to a maximum of 9 NONE no chiller NRA for NRA NRC NLW NBW chillers all those with GR3 circuit board RV for RV NW RVB NSB WSB chillers all those with pCO2 circuit board N Slave for RV ty...

Page 18: ...delay between switch on of two chillers Minimum delay between switch off of two chillers Note Check on the basis of the load Advance of the reset set point reset before switch off of a chiller Permane...

Page 19: ...t point set hot or cold Comp Set point hot or cold set point compensation Limit setting a max number of chillers Demand request number of chillers switched on Note Type of analogue input malfunction N...

Page 20: ...um Cold set point when the input is at minimum Hot set point when the input is at maximum Hot set point when the input is at minimum Note Use of the multifunction input as Set point Cold set point whe...

Page 21: ...ith input at minimum Note Cold hot set point limits Cold set point maximum limit Cold set point minimum limit Hot set point maximum limit Cold set point minimum limit Note Enabling of chiller heat pum...

Page 22: ...22 Prg Esc Prg Esc Prg Esc Prg Esc Note Modify password Note Load set default...

Page 23: ...management is optimised for plants where each chiller controls its own pump on off together with the chiller and with secondaries with variable flow in the basis of the load If these features are not...

Page 24: ...the other two are at 80 Switch off The third chiller is switched off when it is expected that the two remaining switched on do not increase the power beyond 60 by switching a chiller on the plant retu...

Page 25: ...t and it is possible to check up to 3 branches of this circuit checking up to 3 temperature probes SUW SUW2 and SUW3 the latter only if the pCOE expansion is used The SUW SUW2 SUW3 delivery probes are...

Page 26: ...Means that the percentage of power of the LOAD must remain above 50 for at least 60 sec before being recognised as such Temperature adjustment Leaving water temp start chiller 5 2 C Delay filter for...

Page 27: ...ler present in the plant and obviously requested Any chiller can be present from 1 to 9 Replace any chillers that have all circuits in alarm It is switched on last and switched off first even with res...

Page 28: ...decide whether to use the normal set points or double set alternatively e g night time functioning ID3 closed use 2nd set point ID3 open use normal set points Priority set point If several functions c...

Page 29: ...ey have automatic reset The value read by the SIW probe is out of range 35 C 80 C independently if it is connected to the PCO1 or PCOE card Il The value read by the SUW probe is out of range 35 C 80 C...

Page 30: ...e value read by the SUW3 probe is out of range 35 C 80 C independently if it is connected to the PCO1 or PCOE card It is not possible to establish a connection with chiller N 1 9 It is not possible to...

Page 31: ...at requi res all switched off They have automa tic reset Enable On Off by supervisor Y Enable summer winter by supervisor Y Identific address for supervisor XXX Baud rate 9600 RS 485 only Protocol MOD...

Page 32: ...4 D I 5 D I 6 D I 7 D I 8 D I 1 C D I Fuse Analog SelectionSerial Card Clock card Programming Key 1 J 2 J 3 J 5 J 0 1 J 1 1 J 2 1 J 3 1 J 4 1 J 5 1 J f i R V 5 D N G m r e T V 9 J 4 J 230Vac MTA 0 23...

Page 33: ...G G V 0 G V 1 Y 2 Y 3 Y 4 Y 1 D I 2 D I 3 D I 4 D I 5 D I 6 D I 7 D I 8 D I 1 C D I Fuse Analog SelectionSerial Card Clock card Programming Key 1 J 2 J 3 J 5 J 0 1 J 1 1 J 2 1 J 3 1 J 4 1 J 5 1 J f i...

Page 34: ...C D I Fuse Analog SelectionSerial Card Clock card Programming Key 1 J 2 J 3 J 5 J 0 1 J 1 1 J 2 1 J 3 1 J 4 1 J 5 1 J f i R V 5 D N G m r e T V 9 J 4 J 230Vac MTA 0 230 0 24 0 24 G G0 GND RS 485 PCO1...

Page 35: ...Y1 T GND 4 3 2 1 T 2 J 1 J NO1 C1 NC1 5 J NO2 C2 NC2 6 J NO3 C3 NC3 7 J NO4 C4 NC4 8 J 3 J 4 J l a i r e S s s e r d d A ID1 ID2 ID3 ID4 IDC1 B1 B2 GND 9 J 5V Ref Vdc B3 B4 GND 0 1 J 5V Ref Vdc d r a...

Page 36: ...D I 4 D I 5 D I 6 D I 7 D I 8 D I 1 C D I Fuse Analog SelectionSerial Card Clock card Programming Key 1 J 2 J 3 J 5 J 0 1 J 1 1 J 2 1 J 3 1 J 4 1 J 5 1 J f i R V 5 D N G m r e T V 9 J 4 J 2 B 3 B 4 B...

Page 37: ...Key 1 J 2 J 3 J 5 J 0 1 J 1 1 J 2 1 J 3 1 J 4 1 J 5 1 J f i R V 5 D N G m r e T V 9 J 4 J 2 B 3 B 4 B C D 5 B D N 6 B D N J J T x R x R D N G A B T x R x R PCO1 connection Serial chiller connections A...

Page 38: ...D4 IDC1 B1 B2 GND 9 J 5V Ref Vdc B3 B4 GND 0 1 J 5V Ref Vdc d r a o b n o i s n a p x e Prg Esc Multichiller Collegamento PCO1 Type of connection bus between multichiller and chiller PCOE expansion Mu...

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