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Summary of Contents for Lennox CLIMATIC II

  • Page 2 CONTROL AND REGULATION............2 OPTIONS ..................15 MACHINE FAULTS .................22 CIRCUIT FAULTS ................29 COMPRESSOR FAULTS ..............36 MISCELLANEOUS FAULTS............42 KP02 DIGITAL CONSOLE...............50 VISUAL DISPLAY UNIT (VDU) KP 07 ..........55 ELECTRONIC CARD DATA ............78 User Manual - CLIMATIC II - Liquid chillers / Réf. RFL-V2.2-00...
  • Page 3: Table Of Contents

    CONTROL AND REGULATION SOMMAIRE Page IDLE FUNCTION ................3 CONTROL OF EVAPORATOR PUMPS ..........4 COLD THERMOSTAT ..............5 HOT THERMOSTAT ................6 COLD REGULATION WITH GRADIENT ..........7 HOT REGULATION WITH GRADIENT..........8 CONTROL OF COMPRESSORS .............9 CONTROL OF CAPACITY REDUCTIONS FOR COLD REGULATION .............10 CONTROL OF CAPACITY REDUCTIONS FOR HOT REGULATION ...............11 CONTROL OF ELECTRONIC EXPANSION VALVE .......12...
  • Page 4: Idle Function

    IDLE FUNCTION Function The idle function enables the machine to be stopped during certain times of the day or certain days of the week. Outside the idle period, the refrigeration unit operates normally, in accordance with its instructions. Description Idle time is defined by 4 instructions (all included in the idle period) : ó...
  • Page 5: Control Of Evaporator Pumps

    CONTROL OF EVAPORATOR PUMPS Function To control the flow of refrigerant in the evaporator Description There are two possible types of regulation, defined by the variable C2POMPE. ¶ If C2POMPE = 0, the CLIMATIC controls one pump or none. · If C2POMPE = 1, the CLIMATIC controls two pumps in normal / standby mode. The user configures the C2POMPE parameter through switch 1 (or SW1) of CPU card.
  • Page 6: Cold Thermostat

    COLD THERMOSTAT Function To bring the temperature of the cooled fluid as close as possible to the set point by adapting the number of compressors in service to the heat load in operation. Description The thermostat THER controls the switching on and off of compressors. It is determined in accordance with the following parameters : ó...
  • Page 7: Hot Thermostat

    HOT THERMOSTAT Function To bring the temperature of the heated fluid as close as possible to the set point by adapting the number of compressors in service to the heat load in operation. Description The thermostat THER controls the switching on and off of compressors. It is determined in accordance with the following parameters : ó...
  • Page 8: Cold Regulation With Gradient

    COLD REGULATION WITH GRADIENT Function To adapt the regulation set point to the outside air temperature, for improved counterbalancing of solar heat pick-up by the premises to be air conditioned. Description Le calcul du point de consigne de régulation CONSREG se fait en fonction des paramètres suivants : ó...
  • Page 9: Hot Regulation With Gradient

    HOT REGULATION WITH GRADIENT Function To adapt the regulation set point to the outside air temperature for improved counterbalancing of heat loss to the outside from the premises to be heated. Description The regulation set point CONSREG is calculated according to the following parameters : ó...
  • Page 10: Control Of Compressors

    CONTROL OF COMPRESSORS Function The compressors are started up and stopped in the order which avoids the anti-short cycle, as far as possible, and evens out their operating times.. Description F Start-up and stopping order for compressors This order is determined by a “FIFO” (first in, first out) rule. This function incorporates the automatic, instantaneous recording of a priority compressor which has become unavailable F Compressor start-up and stopping The compressor COMPmn starts up if all the following conditions are satisfied :...
  • Page 11: Control Of Capacity Reductions For Cold Regulation

    As long as the TSEC condition is satisfied, an additional capacity reduction is stopped every 2 minutes. Note : At start-up, the compressors are maintained at reduced capacity for 1 minute. User Manual - CLIMATIC II - Liquid chillers / Réf. RFL-V2.2-00...
  • Page 12: Control Of Capacity Reductions For Hot Regulation

    CONTROL OF CAPACITY REDUCTIONS FOR HOT REGULATION Function To adjust the hot water output temperature as closely as possible to the set point by adapting compressor capacity. Description Capacity reduction valves are only available on semi-hermetic reciprocating or screw compressors. On a machine with several compressors, only the last one started up can modify its capacity.
  • Page 13: Control Of Electronic Expansion Valve

    CONTROL OF ELECTRONIC EXPANSION VALVE Function To control correct filling of the evaporator with refrigerant in order to obtain highest efficiency, whilst protecting the compressor against slugging. Description The expansion valve is controlled by Proportional + Integral + Derivative logic. The ideal theoretical opening RDETAn of the expansion valve on circuit n is determined and compared with the actual opening.
  • Page 14: Control Of Condenser Fans

    CONTROL OF CONDENSER FANS Function To maintain as stable a condensation pressure as possible without fans cutting in too frequently. Description The CLIMATIC calculates the number of ventilation stages THVn required for the proper functioning of each refrigeration circuit. THVn depends on the following parameters : ó...
  • Page 15: Specific Valves For Screw Compressors

    SPECIFIC VALVES FOR SCREW COMPRESSORS Liquid injection valve using intermediate suction Function To reduce the compressor discharge temperature thereby improving cooling on the compressor motor. Description The liquid injection valve INJLmn is open if: . the compressor COMPmn is in operation .
  • Page 16 OPTIONS CONTENTS Page FREE-COOLING ................16 HEAT RECOVERY ................18 MANAGEMENT OF UNITS IN PARALLEL ........19 V2.2-00...
  • Page 17 FREE-COOLING Function To ensure refrigeration whilst optimising the use of free-cooling, thus limiting electrical consumption to a minimum. Description F F Free-cooling outline diagram TEEGFC TEEG V3VFC free-cooling fan evaporator free-cooling unit TSEG ó Temperature of chilled water input to free-cooling (°C) TEEGFC ó...
  • Page 18 (CONT’D) FREE-COOLING TEEG / TEEGFC CONSREG+0,5°C CONSREG TEEGFC CONSREG-0,5°C TEEG 3 min 3 min 3 min temps THERFC The thermostat is incremented by one stage if TEEG remains greater than CONSREG+0.5°C for over 3 minutes. As long as this condition on TEEG is satisfied, THERFC continues to be incremented by one stage every 3 minutes.
  • Page 19 HEAT RECOVERY Function On air units with heat recovery condenser, to maintain the hot water output temperature as close as possible to the instruction, whilst adapting the air condenser capacity to the excess thermal capacity to be discharged. Description F F Outline diagram of heat recovery process Heat recovery water condenser Air condenser...
  • Page 20 MANAGEMENT OF UNITS IN PARALLEL Function To provide staging of units in order to adjust the temperature of the cooled fluid as closely as possible to the set point. Description ¶ Management of the installation by an independent CPU card (recommended configuration) General regulation is by a KP01 independent of those which directly control the units.
  • Page 21 REGULATION OF UNITS IN PARALLEL Units start-up Unit stop THERG TBAL (°C) THERG TBAL (°C) With CONSEG = 6°C ENCLG = 1,5°C 0 ð 1 1 ð 0 DIFETG = 1,5°C 1 ð 2 2 ð 1 2 ð 3 3 ð...
  • Page 22 REGULATION OF UNITS IN PARALLEL · Installation management by chaining of unit CPU's The card responsible for general regulation is that for unit G1 (card number = 0). Dialogue between cards is by chaining. In order to ensure that the machines do not all start up and stop simultaneously, their set points are staggered. The regulation instruction CONSREG for each machine is determined in accordance with the following parameters : ó...
  • Page 23 MACHINE FAULTS CONTENTS Page TEMPERATURES OF CHILLED WATER OUTSIDE RANGE..23 HOT WATER TEMPERATURES OUTSIDE RANGE.......24 INSUFFICIENT FLOW OF CHILLED WATER .........25 INSUFFICIENT FLOW OF HOT WATER.........26 ABSENCE OF 230V SUPPLY WITH BACKUP........27 INCORRECT SEQUENCE OF PHASES .........28 V2.2-00...
  • Page 24: Temperatures Of Chilled Water Outside Range

    TEMPERATURES OF CHILLED WATER OUTSIDE RANGE Logical variable : DTEG Incident codes KP02 : KP07 icon : Description The input or output chilled water temperature measured by the sensor is outside the authorised range: Water without glycol Water with glycol (maxi 30% glycol) TEEG <...
  • Page 25: Hot Water Temperatures Outside Range

    HOT WATER TEMPERATURES OUTSIDE RANGE Logical variable : DTEC Incident codes KP02 : KP07 icon : Description The input or output temperature of hot water measured by the sensor is outside the authorised range : TEEC <-27°C or TEEC> TECS TSEC <-27°C or TSEC>...
  • Page 26: Insufficient Flow Of Chilled Water

    INSUFFICIENT FLOW OF CHILLED WATER Logical variable : DFSE Incident codes KP02 : KP07 icon : Description The “flow switch” FSE detects an insufficient flow in the evaporator for over 2 seconds. Action F Immediate machine halt. F The fault is displayed on the screen. F The remote fault report is delayed for 6 minutes Resetting The machine restarts automatically 20 seconds after the flow of chilled water is restored.
  • Page 27: Insufficient Flow Of Hot Water

    INSUFFICIENT FLOW OF HOT WATER Logical variable : DFSEC Incident codes KP02 : KP07 icon : Description The “flow switch” FSC detects insufficient flow insufficient in the condenser for over 3 seconds Action F Immediate machine halt. F The fault is displayed on the screen. F The remote fault report is delayed for 6 minutes.
  • Page 28: Absence Of 230V Supply With Backup

    ABSENCE OF 230V SUPPLY WITH BACKUP Logical variable : DPT230V Incident codes KP02 : KP07 icon : Description The supply presence voltage relay is tripped (PT230V = 0). The compressor casing resistors and the anti-freeze resistors on the hydraulic circuit are no longer fed. Action F Immediate machine halt.
  • Page 29: Incorrect Sequence Of Phases

    INCORRECT SEQUENCE OF PHASES Logical variable : DPHASE Incident codes KP02 : KP07 icon : Description The phase controller is tripped (PHASE = 0). It detects an inversion or a bad phase coupling. Action F Immediate machine halt. F The fault is displayed on the screen. F The remote fault report is delayed for 6 minutes.
  • Page 30 CIRCUITS FAULTS CONTENTS Page LOW PRESSURE INSUFFICIENT...........30 EVAPORATOR FREEZING .............31 INSUFFICIENT SUPERHEATING ...........32 VACUUM SUCCION FAILURE............33 SENSOR OR DETECTOR FAULTS ..........34 EXPANSION VALVE OPENING INCORRECT ........35 V2.2-00...
  • Page 31: Low Pressure Insufficient

    LOW PRESSURE INSUFFICIENT Logical variable : DBPn Incident codes KP02 : KP07 icon : Description Case ¶ : No compressor on circuit n is working. The liquid valve has been open for 2 minutes, but low pressure remains lower than safety limits. Case ·...
  • Page 32: Evaporator Freezing

    EVAPORATOR FREEZING Logical variable : DGELn Incident codes KP02 : KP07 icon : Description This fault is only processed on machines cooling water without solution which does not freeze at 0°C (glycol or brine) Case ¶ : Tubular exchangers A compressor m on circuit n has been operating for at least 1 minute and the following 2 conditions remain satisfied for over 2 minutes: TBPn <...
  • Page 33: Insufficient Superheating

    INSUFFICIENT SUPERHEATING Logical variable : DSURFn Incident codes KP02 : KP07 icon : Description This fault is only processed on units fitted with electrical expansion valves. A compressor on circuit n has been operating for at least 2 minutes and one of the 2 following conditions remains satisfied for at least 2 minutes : TASPn ≥...
  • Page 34: Vacuum Succion Failure

    VACUUM SUCTION FAILURE Logical variable : DPUMPDn Incident codes KP02 : KP07 icon : Description For 2 minutes, a compressor on circuit n is in operation and the liquid solenoid is not connected, but low pressure is still below minimum. Action F Immediate halt of circuit n.
  • Page 35: Sensor Or Detector Faults

    SENSOR OR DETECTOR FAULTS Logical variable : DSONDEn Incident codes KP02 : KP07 icon : Description One or more temperature sensors or pressure detectors installed on circuit n are either in short-circuit, broken or disconnected. Sensor or detector involved Condition for occurrence of fault TASPn ≤...
  • Page 36: Expansion Valve Opening Incorrect

    EXPANSION VALVE OPENING INCORRECT Logical variable : DCDETn Incident codes KP02 : KP07 icon : Description This fault is only processed on units equipped with electric expansion valves DANFOSS TQ type. No compressor on circuit n is working. A compressor start-up command has been issued and the expansion valve is in the pre-heat phase.
  • Page 37 COMPRESSOR FAULTS CONTENTS Page COMPRESSOR CUT-OUT SWITCH TRIPPED.......37 OIL PRESSURE INSUFFICIENT .............38 EXCESS HIGH PRESSURE............39 DISCHARGE TEMPERATURE TOO HIGH ........40 INTERNAL PROTECTION TRIPPED ..........41 V2.2-00...
  • Page 38: Compressor Cut-Out Switch Tripped

    COMPRESSOR CUT-OUT SWITCH TRIPPED Logical variable : DELECmn Incident codes KP02 : KP07 icon : Description The thermomagnetic cut-out switch on compressor mn is tripped (ELECmn = 0). Action F Immediate halt of compressor mn. F The fault is displayed on the screen. F The remote fault report is delayed for 6 minutes.
  • Page 39: Oil Pressure Insufficient

    OIL PRESSURE INSUFFICIENT Logical variable : Incident codes KP02 : KP07 icon : DHUILEmn Description This fault only applies to semi-hermetic reciprocating compressors. The total time during which the oil pressostat on compressor mn POILmn remains tripped exceeds 90 seconds. The oil pressure is then insufficient for proper lubrication of the compressor.
  • Page 40: Excess High Pressure

    EXCESS HIGH TEMPERATURE Logical variable : DHPmn Incident codes KP02 : KP07 icon : Description The high pressure safety cut-out on compressor mn PHPmn has tripped.. Action F Immediate halt of compressor mn. F The fault is displayed on the screen. F The remote fault report is delayed for 6 minutes.
  • Page 41: Discharge Temperature Too High

    DISCHARGE TEMPERATURE TOO HIGH Logical variable : DREFmn Incident codes KP02 : KP07 icon : Description The discharge temperature on compressor mn REFmn stays over 120°C for over 9 seconds. Action F Immediate halt of compressor mn. F The fault is displayed on the screen. F The remote fault report is delayed for 6 minutes Resetting The first 2 faults are reset automatically after a delay of 30 minutes on condition that REFmn has dropped...
  • Page 42: Internal Protection Tripped

    INTERNAL PROTECTION TRIPPED Logical variable : DPINTmn Incident codes KP02 : KP07 icon : Description F Semi-hermetic compressors (reciprocating and screw type) and scroll compressors: The thermal protection on the motor windings on mn PINTmn is tripped. F Hermetic reciprocating compressors: θ...
  • Page 43 MISCELLANEOUS FAULTS CONTENTS Page INTER CPU DIALOGUE INTERRUPTED........43 INSUFFICIENT FLOW ESTABLISHED BY THE PUMP....44 FANS CIRCUIT BREAKERS TRIPPED ...........45 PUMP CIRCUIT BREAKER TRIPPED..........46 REMOTE INSTRUCTION UNDETECTED ........47 TEMPERATURE OF FREE-COOLING OUTSIDE RANGE....48 DIALOGUE BETWEEN CPU AND KP07 INTERRUPTED ....49 V2.2-00...
  • Page 44: Inter Cpu Dialogue Interrupted

    INTER-CPU DIALOGUE INTERRUPTED Logical variable : DSLI Incident codes KP02 : KP07 icon : Description The chaining link between 2 (or more) cards on the network is interrupted for over 15 seconds.. Action F Re-initialisation of cards (3 attempts). F The fault is displayed on the screen. Resetting Automatic resetting of the fault 3 minutes after the link between all cards is restored.
  • Page 45: Insufficient Flow Established By The Pump

    INSUFFICIENT FLOW ESTABLISHED BY THE PUMP (pump 1) Logical variable : DSDEBk Incident codes KP02 : KP07 icon : (pump 2) Description Pump k supplying the evaporator has had the operational command for 20 seconds. The “flow switch” FSE detects insufficient flow in the exchanger for over 25 seconds. Action Case ¶...
  • Page 46: Fans Circuit Breakers Tripped

    FAN CIRCUIT BREAKERS TRIPPED Logical variable : DELECV Incident codes KP02 : KP07 icon : Description One or more thermomagnetic circuit breakers protecting the air condenser fans are tripped. (ELECV = 0). Action F The fault is displayed on the screen. F The remote fault report is delayed for 6 minutes.
  • Page 47: Pump Circuit Breaker Tripped

    PUMP CIRCUIT BREAKER TRIPPED (pompe 1) Logical variable : DELECPk Incident codes KP02 : KP07 icon : (pompe 2) Description The thermomagnetic circuit breaker on pump k is tripped (ELECPk = 0). Action Case ¶ : Pump k is in service and the unit has only one pump (C2POMPE = 0). F Immediate halt of pump k F Immediate machine halt F The fault is displayed on the screen.
  • Page 48: Remote Instruction Undetected

    REMOTE INSTRUCTION UNDETECTED Logical variable : DCONS Incident codes KP02 : KP07 icon : Description The unit should be regulated to the water instruction sent remotely by the customer (SGLCONS = 1), but the signal received is incorrect (TCONS < -25°C). Action F The machine is not stopped and is regulated to its own water instruction.
  • Page 49: Temperature Of Free-Cooling Outside Range

    TEMPERATURE OF FREE-COOLING OUTSIDE RANGE Logical variable : Incident codes KP02 : KP07 icon : DSONDEFC Description The inlet chilled water temperature, which is measured by the sensor located on the collector (forward free- cooling coils), is outside authorized range : TEEGFC <...
  • Page 50: Dialogue Between Cpu And Kp07 Interrupted

    DIALOGUE BETWEEN CPU AND KP07 INTERRUPTED Logical variable : - Incident codes KP02 : KP07 icon : Description After 3 attempts, the KP07 VDU has not succeeded in establishing a dialogue with at least one of the CPU cards connected to it. Action F Regular attempts to restore communication.
  • Page 51 KP02 DIGITAL CONSOLE I. GENERAL PRESENTATION The KP02 console is a man-machine interface consisting of a 6 digit display, 6 indicator lights and 5 keys. " General alarm " Spare indicators (flashing red) " On " indicator (green) INCREMENTATION Digital screen DECREMENTATION Variables mode indicator...
  • Page 52 CONSOLE NUMERIQUE KP02 II.2. Date II.3. Address of a varialbe II.4. Value of a variable II.4.a. Logical values (1 ⇔ ON) (0 ⇔ OFF) II.4.b. Températures The temperatures are displayed in °C, to nearest 0.1°C. ⇔ -21.6°C ⇔ +105.8°C II.4.c. Pressures The pressures are shown in bar, to nearest 0.1 bar.
  • Page 53 KP02 DIGITAL CONSOLE When a fault occurs on the machine, the red led "general alarm" flashes. If the user whishes to know the nature of the fault, he can consult the variable "breakdown" representative of the code "breakdown". II.5. Specific displays II.5.a.
  • Page 54 KP02 DIGITAL CONSOLE III.1. VARIABLES mode Pressing on "A" displays the address of the variable currently being read. The address is incremented by pressing keys "A" and "+" simultaneously. The address is incremented slowly if "+" is pressed briefly, or faster if it is pressed continuously. The address is decremented in a similar manner, using keys "A"...
  • Page 55 CONSOLE NUMERIQUE KP02 Pressing key "V" displays the value of the selected data item. Note: If the user does not press "V", the value appears automatically after 1 minute. III.4. SET DATER mode This mode can be used to adjust the 6 dater elements : ⇔...
  • Page 56 KP07 VDU (VISUAL DISPLAY UNIT) CONSOLE IV. GENERAL PRESENTATION The KP07 console is a man-machine interface with a black and white liquid crystal graphics screen, back-lit, with definition 240 x 128 pixels. It also has 2 indicator lights and 12 keys. LCD screen "General alarm indicator"...
  • Page 57 Incrementation of the digit from 0 to 9. Confirmation of the current modification. User Manual - CLIMATIC II - Liquid chillers / Réf. RFL-V2.2-00...
  • Page 58 KP07 VDU CONSOLE "Modification" mode offers the user the following main possibilities : • Selecting the number of the controller on which variables are to be displayed (where several KP01 cards are connected to the same KP07 console) • Setting instructions •...
  • Page 59 KP07 VDU CONSOLE V. GENERAL TREE STRUCTURE OF SCREENS Summary Access to operating states Water temperature On/Off switches of the circuits, machine and curve for circuits pumps Password C2 C3 C4 Operating state – Operating state Operating state of the unit Circuit 1 Chilled water pumps...
  • Page 60 CONSOLE GRAPHIQUE KP07 VI. VI. CONTENT OF SCREENS III.1. Summary Date and time Presence of a Number of controller general alarm on in communication the machine with display unit Temperature of chilled Temperature of chilled water output (or hot water water input (or hot water Water instruction for a PAC)
  • Page 61 KP07 VDU CONSOLE III.3. Access to the different operating states Presence of a general alarm on Number of controller the machine in communication with display unit This screen gives access to the operating states of the refrigeration circuits, pumps and machine. III.4.
  • Page 62 KP07 VDU CONSOLE III.5. Refrigeration diagrams III.5.a. Groupes à condensation par air Discharge temperature on compressor no. 2 (if applicable) Condensation pressure Condensation Discharge temperature temperature on compressor no.1 Ambient air temperature Air intake temperature Evaporation Evaporation temperature pressure Temperature of Operating states of circuit chilled water output Temperature of chilled...
  • Page 63 KP07 VDU CONSOLE III.6. Tables of variables associated with refrigeration circuits This screen gives access to the values of logic inputs, fault counters, TOR output and other variables describing the selected refrigeration circuit. Each variable is identified by its mnemonic. III.6.a.
  • Page 64 KP07 VDU CONSOLE III.6.c. TOR outputs and other variables This screen shows the state of the of actuators which command circuit components other than the compressors, whose operation has already been described in operating states for circuits (see § III.4.). This screen also displays significant calculation variables for the circuit, such as the anti-short cycle for compressors.
  • Page 65 KP07 VDU CONSOLE III.9. Tables of general variables This screen gives access to the values of analogue inputs, logic inputs, TOR outputs, fault counters, and other variables relating to the entire machine (not related to a specific refrigeration circuit). Each variable is identified by its mnemonic.
  • Page 66 KP07 VDU CONSOLE III.9.c. TOR outputs This screen displays the state of the actuators which control machine components (other than those already described in operating states for circuits and pumps). III.9.d. Fault counters Faults and fault counters associated with specific options appear on this screen. III.9.e.
  • Page 67 CONSOLE GRAPHIQUE KP07 III.10. Fault log The event log can be used, depending on the configuration chosen in the console application program, to record : • either the last 24 fault occurrences • or the last 24 fault occurrences and clearances . The log displayed relates only to the controller which is currently in communication with the display unit.
  • Page 68 CONSOLE GRAPHIQUE KP07 After pressing key , the screen shows : III.12. Instructions Access to the different setting instructions is protected by a password (a modifiable variable consisting of 5 figures). This is entered via "modification" mode. Entry of the password, followed by validation, activates key "A": Pressing key "A"...
  • Page 69 KP07 VDU CONSOLE All the instructions which follow can be adjusted via the "modification" mode. III.12.a. Water temperature instructions The screen shown below corresponds to the case of a liquid cooler. There is a similar screen for heat pumps. Temperature difference Chilled water Chilled water on chilled water...
  • Page 70 KP07 VDU CONSOLE III.12.c. Idle time clocks Heure End day End time Wweekly idle period Daily idle period Start time Start day Daily idle period Weekly idle period Day of the week Date and hour variables can be changed, as any instruction showed on this screen. III.12.d.
  • Page 71 KP07 VDU CONSOLE VII. GLOSSARY OF ICONS Icons are classed in 6 categories: 1. Keys 2. Screen headings 3. Identification of components 4. Operating states 5. Faults 6. On / off settings and instructions IV.1. Keys Access to the temperature curve for water output from machine. Access to operating states for refrigeration circuits, pumps and machine Access to operating state for refrigeration circuit no.1 (no faults are reported on the circuit Access to operating state for refrigeration circuit no.1 (there is a fault on the circuit).
  • Page 72 KP07 VDU CONSOLE Access to fault log. Access to the different tables of variables. Access to analogue inputs (other than those shown on refrigeration diagrams). Access to logic inputs. Access to TOR outputs. Access to TOR outputs and other variables associated with the selected refrigeration circuit. Access to miscellaneous variables.
  • Page 73 KP07 VDU CONSOLE Operating state of refrigeration circuit no.1. Operating state of refrigeration circuit no.2. Operating state of refrigeration circuit no.3. Operating state of refrigeration circuit no.4. Operating state of chilled water pumps. Operating state of hot water pumps. Operating state of machine. Fault log.
  • Page 74 KP07 VDU CONSOLE Parameters for regulation with gradient on air temperature. Idle timers (day / night). IV.3. Identification of components Machine. Refrigeration circuit no. 1 Refrigeration circuit no. 2 Refrigeration circuit no. 3 Refrigeration circuit no. 4 Compressor or pump no. 1 (in " circuits or pumps " operating states respectively). Compressor or pump no.
  • Page 75 CONSOLE GRAPHIQUE KP07 Hot water pump no. 1. Hot water pump no. 2. IV.4. Operating states Stages required for chilled water regulation. Stages required for hot water regulation. Compressor in operation (representation on refrigeration diagram). Compressor in operation. Compressor in operation at full capacity. Compressor in operation at reduced capacity.
  • Page 76 CONSOLE GRAPHIQUE KP07 Compressor stopped by refrigeration circuit on/off. Compressor stopped by remote on / off command to machine. Pump in operation. Pump stopped. IV.5. Faults On the unit, presence of a machine, circuit compressor or miscellaneous fault IV.5.a. General machine faults Chilled water temperature outside authorised range Hot water temperature outside authorised range.
  • Page 77 KP07 VDU CONSOLE Temperature sensors or pressure detectors faulty. Incorrect opening of expansion valve. IV.5.c. Compressor faults Tripping of thermomagnetic circuit breaker for compressor. Insufficient oil pressure. Excess high pressure. Discharge temperature too high. Tripping of internal protection for compressor. IV.5.d.
  • Page 78 KP07 VDU CONSOLE IV.6. On / off settings and instructions On / off refrigeration circuit no. 1. On / off refrigeration circuit no. 2. On / off refrigeration circuit no. 3. On / off refrigeration circuit no. 4. On/Off pump no. 1. On/Off pump no.
  • Page 79 ELECTRONIC CARD DATA CONTENTS Page CLIMATIC CARD Ø KP01 ..............79 EXTENSION - 16 LOGIC INPUTS Ø KP03 ........83 EXTENSION – ANALOGUE OUTPUT Ø KP04 .........84 EXTENSION - 8 ANALOGUE INPUTS Ø KP05.........85 EXTENSION - 8 RELAYS Ø KP08 ............86 EXTENSION - +18VDC SUPPLY Ø KP10.........87 FEMALE CARD –...
  • Page 80: Climatic Card Ø Kp01

    Ø Ø CLIMATIC CARD KP01 ¶ General presentation The CLIMATIC consists of a main KP01 microcontroller card, with 8 analogue inputs, 8 logic inputs and 8 logic outputs in its standard version. Two analogue outputs and a +18Vdc supply are also available as an option. Logic inputs are linked to hard contacts.
  • Page 81 Ø Ø CLIMATIC CARD KP01 ¸ Supply A single transformer provides the power supply to the Climatic and its extensions : 12V/6VA for supply to KP07VDU console 230Vac 12V/7.2VA for isolated supply to extensions KP03/KP04/KP01 12V/50VA for KP01 supply ¹ Switches SW2,SW3 : By default, the card is configured in If there is a link between cards (maximum 8), set switches as follows:...
  • Page 82 Ø Ø CLIMATIC CARD KP01 » » Card diagram LED's dialogue presence Ribbon cable connecting COM B and COM C the two cards LED power on Optional KP10 card +18Vdc supply Link PC/GTC or VDU console COM Configuration of 4AT fuse analogue input type Card no-1è...
  • Page 83 Ø Ø CARTE CLIMATIC KP01 Key : J1 to J8: 3 point removable pin connectors, pitch 5.08 for 8 changeover relays J10: 3 point removable pin connectors, pitch 5.08 for 12Vac supply and Earth J11: 2 point removable pin connectors, pitch 3.81 for 12Vac isolated supply J13: 3 point removable pin connectors, pitch 3.81 for card chaining J14, J15:...
  • Page 84: Extension - 16 Logic Inputs Ø Kp03

    Ø Ø EXTENSION 16 ENTREES LOGIQUES KP03 The KP03 card is used for processing the 16 logic inputs (10V/10mA). It is possible to connect up to 3 extensions to a KP01 card, to attain a maximum capacity of 8 +3 x 16 = 56 logic inputs.
  • Page 85: Extension - Analogue Output Ø Kp04

    Ø Ø EXTENSION ANALOGUE OUTPUT KP04 The KP04 card provides, via a digital/analogue converter, analogue output (0-10V), resolution 39mV. It is possible to connect up to 4 KP04 extensions to the same CPU, which offers a maximum capacity of 2 + 4 x 1 = 6 analogue outputs.
  • Page 86: Extension - 8 Analogue Inputs Ø Kp05

    Ø Ø EXTENSION 8 ENTREES ANALOGIQUES KP05 The KP05 card is used for the acquisition of 8 analogue inputs. These inputs may connect either a CTN temperature sensor (10KΩ at 25°C), or a conventional 0-20mA detector (via the +18Vdc supply). The type of element connected is configured using switch SW1.
  • Page 87: Extension - 8 Relays Ø Kp08

    Ø Ø EXTENSION 8 RELAYS KP08 The KP08 card carries 8 outputs on changeover relays (16A/250Vac). It is possible to connect up to 4 KP08 cards to the same CPU, offering a maximum number of 8 + 4 x 8 = 40 discrete outputs.
  • Page 88: Extension - +18Vdc Supply Ø Kp10

    Ø Ø EXTENSION ALIMENTATION +18VDC KP10 Presentation : The KP10 extension is presented in the form of a small plug-in card positioned on the main KP01unit and designed to supply detectors type 0-20mA. Precautions : When installing the module, take care to comply with the circuit orientation as printed on the main KP01 unit.
  • Page 89 Ø Ø CARTE FILLE SORTIE ANALOGIQUE KP11 Presentation : The KP11 extension is presented in the form of a small plug-in card positioned on the main KP01unit. It supplies analogue voltage 0-10Vdc/10mA A CPU may receive 2 cards KP11 at the most. Precautions : When installing the module, take care to comply with the circuit orientation as printed on the main KP01 unit.
  • Page 90: Female Card - Analogue Output Ø Kp11

    Ø Ø DIGITAL CONSOLE KP02 ¶ Internal wiring Keyboard ribbon cable Cable earth connection Earth Keyboard ferrule earth connection · External wiring + - TD RD V2.2-00...
  • Page 91 Ø Ø CONSOLE GRAPHIQUE KP07 ¶ Presentation Configuration switches for EPROM Battery external / internal supply Command switch for back-lighting 1AT fuse µP 68HC16 Screen contrast setting by default + - TD RD 12Vac supply Keyboard connector LED presence of dialogue Front face Connection for shield...
  • Page 92: Vdu Console Ø Kp07

    Ø Ø VDU CONSOLE KP07 Key : LD1: LED presence of dialogue PT1, PT2: 12Vac PT3: Vref PT4: PT5: PT6: VLcd PT8: Reset PT9: Power Fail SW1, SW2: Configuration switches internal/external supply SW3: On/off switch for back-lighting on display unit Note : The cable linking the display unit to the main unit must be earthed by means of a ferrule fixed to the front face by the nut provided for this purpose.
  • Page 93 V2.2-00...

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