Carel Heos User Manual
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Carel Heos User Manual

High efficiency showcase controller
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Heos
High effi ciency showcase controller
User manual
I n t e g r a t e d C o n t r o l S o l u t i o n s & E n e r g y S a v i n g s
NO POWER
& SIGNAL
CABLES
TOGETHER
READ CAREFULLY IN THE TEXT!

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  • Page 1 Heos High effi ciency showcase controller User manual NO POWER & SIGNAL CABLES TOGETHER READ CAREFULLY IN THE TEXT! I n t e g r a t e d C o n t r o l S o l u t i o n s & E n e r g y S a v i n g s...
  • Page 3 The technical specifi cations shown in the manual may be changed without prior warning. The liability of CAREL in relation to its products is specifi ed in the CAREL general contract conditions, available on the website www.carel.com and/or by specifi c agreements with customers; specifi cally, to the extent where allowed...
  • Page 4 Heos +0300078EN - rel. 1.6 - 23.11.2017...

  • Page 5: Table Of Contents

    9.1 Setting the controller’s address .............52 9.2 Setting the terminal’s address and connecting the controller to the terminal ..............52 9.3 Uploading/updating the software ............53 9.4 pCO Manager: operating instructions ..........54 9.5 History of software revisions ..............56 Heos +0300078EN - rel. 1.6 - 23.11.2017...

  • Page 7: Introduction

    Slave parameters from the Master; • sharing of one or more network probes (e.g. network pressure probe); Heos is a control system for the complete management of showcases or • HACCP alarm management; cold rooms in which the compressor (variable speed or on/off ) is cooled •...

  • Page 8: Installation

    Voltage inputs for digital output 2, 3, 4, 5 15 Serial card RS485 BMS1 Voltage digital outputs 16 Power supply - Green Led user interface on J115 connector. 1 optional line (J13), selectable from Carel optionals Digital Type: digital inputs with voltage-free contacts Maximum connection cable-lenght: 2m without shield-cable, 500m by...

  • Page 9: Inverter Monofase 10A

    Holes/screws for fastening the coldplate from rear of drive (4 x M5 holes, max. 14mm deep) 3 Holes/screws for fastening the coldplate from front of drive 12,6 113,4 4 Power+ plate Note: the air-cooled heat sink is shown in grey in the dimensioned drawing. Heos +0300078EN - rel. 1.6 - 23.11.2017...

  • Page 10: 1Ph And 18-24 A 3Ph Inverter

    The plate has threaded holes M5 for fi xing an additional device with Maximum motor cable length cooling function (coldplate), typically using liquid refrigerant. The Tab. 2.i coldplate is the user’s responsibility and is not supplied by Carel. Assembly Dimensions (mm) Key:...

  • Page 11: E 2 V Unipolar Valves

    Basic insulation for 250 Vac against electric shock Category of resistance to heat and fi re Flame retardant In accordance with CEI 20-35 UL/HB cable for inside showcase temperature for outlet temperature for evaporation temperature Tab. 2.l Heos +0300078EN - rel. 1.6 - 23.11.2017...

  • Page 12: General Connection Diagram

    Virtual input Condenser water outlet temperature Auxiliary output Dual temperature Auxiliary probe 1 Anti-mist heaters Auxiliary probe 2 Liquid injection solenoid Curtain contact ON/OFF compressor Inverter valve output Fan/condenser output Dual temperature output Heos +0300078EN - rel. 1.6 - 23.11.2017...

  • Page 13: Functional Diagrams

    Cabinet Slave2 Cabinet Fig. 2.o Conden. Unit Slave1 RS485 supervisor network A maximum of 199 number Heos controllers (Master or Slave) can be connected to the supervisor network (via CAREL or Modbus® protocol). Cabinet Conden. Unit Slave2 Cabinet 2... Fig. 2.n ...199...

  • Page 14: Installation

    Attention: the size and the tripping current of the diff erential any resistors to the pLAN Master/Slave network connectors (J14). switch must be properly sized in accordance with the network type (TT, TN-C, TN-S) and the number of inverters connected. Heos +0300078EN - rel. 1.6 - 23.11.2017...

  • Page 15: User Interface

    3. USER INTERFACE The Heos system can be used with two types of display: one, the pGDe, Below are some examples of the INFO screens, directly accessible from the main for commissioning and/or to access all the control parameters; the other, screen: PLD, for displaying the cabinet temperature and any alarms.

  • Page 16: Menu Description

    E.Configuration E.Configuration a.Communication Ea01-03 b.M/S-Multievaporator Eb01-07 c.Display Ec01-04 d.Clock Ed01-02 e.Password Ee01-03 f.Default Ef01-04 F.Alarms F.Alarms a.Compressor Dad01-07 b.EEV Safeties Dbc01-08 c.Temperature Fc01-05 d.History Fd00-50 G.Diagnostic G.Diagnostic a.Compressor Dae01-08 b.EEV Dbd01 Tab. 4.a Heos +0300078EN - rel. 1.6 - 23.11.2017...

  • Page 17: StartUp

    Screen WZ09: set point and virtual probe composition. This screen is used to set the control set point and the weight of the outlet and The Heos controllers can be setup the fi rst time from the pGDe user intake temperature probes in the average for calculating the control terminal connected to J15.

  • Page 18: Functions

    A9, and will be propagated to the Slaves by selecting Humidity “Virtual DI”. 4-20mA For example, if there is a Heos confi gured as Master and another as Slave, 0-1V 0-10V DI1 on the Master will be connected to the door switch, and its status will Tab.
  • Page 19 Simply connect a timer to the multifunction digital input on the Master and use d5 to delay the defrosts on the various Slaves and thus avoid current overloads. Heos +0300078EN - rel. 1.6 - 23.11.2017...

  • Page 20: Analogue Outputs

    6.3 Analogue outputs disconnection of the power cables. Heos features three analogue outputs (0-10 V), which can be associated with the following functions. 6.5 Control There are various modes for controlling air temperature for the conservation of foodstuff...
  • Page 21 Control off set with probe error (parameter r0) proportional gain (Kp) and integral time (tI) can be adjusted. By default, Heos uses the virtual probe Sv for control, that is, the weighted Kp represents the percentage of increase in cooling request according to average of the outlet and intake probe (see parameter /4).

  • Page 22: Compressor

    6.6.1 Inverter compressor control callout is possible. In the event of a temperature probe error, Heos uses the other probe available and adjusts the set point according to the setting of The compressor can be selected during the wizard (commissioning).
  • Page 23 3. High condensing pressure 8. Low condensing pressure 4. High current 9. Low evaporation pressure 5. High evaporation pressure Speed ref. Acc. ramp Heos also features the following parameters for managing the compressor Strat-up Speed ON/OFF times Dec. ramp Acc. ramp Par. Description Def U.M.
  • Page 24 • cIS Compressor override time: multiplied by the number of evaporators. (9.0) (°F) (0.2) (36.0) LIc Duty Cycle • The procedure is performed as shown in the fi gure: LIS Duty Cycle period Heos +0300078EN - rel. 1.6 - 23.11.2017...
  • Page 25 In the same way as for the other types of compressor, the thermodynamic Pressure control with ON/OFF compressor and timing parameters are an integral part of the Heos controller software, so If a multi-evaporator system is confi gured, control can be performed as to control the compressor while verifying that its operating conditions are based on pressure rather than temperature.

  • Page 26: Defrost

    Heater defrost (d0 = 0, 2, 4): Waterloop Heos can manage the following types of defrost, depending on the setting of parameter d0: electric heater, hot gas, reverse cycle. The defrost can end based on temperature, in which case the defrost probe Sd needs to be installed, or after a set time.
  • Page 27 End defrost delay (defrost by reversing cycle) EEV mode at start defrost time EEV mode during defrost dG10 EEV mode at end defrost Fig. 6.s Maximum time between consecutive defrosts Defrost td1…td3 Scheduled defrosts Heos +0300078EN - rel. 1.6 - 23.11.2017...
  • Page 28 Delay at start-up before activating Running This parameter determines whether or not, in a local network, at the end Time of the defrost Heos waits for an end defrost signal from the Master before restarting the cooling cycle. Temp.

  • Page 29: Evaporator Fans

    Evaporator fan cut-off temperature °C -50.0 50.0 (hysteresis 1°C) (32.0) (°F) (-58.0) (122.0) Maximum fan speed Minimum fan speed Fan peak time 0: function disabled (NO); Override fan output to 100% every: 0: function disabled (NO); Heos +0300078EN - rel. 1.6 - 23.11.2017...

  • Page 30: Electronic Valve

    F8. electronic valve. It does not determine the actual superheat value, but rather the desired value. Heos, with PID control, tends to maintain the Fan Speed actual superheat, calculated based on the probe readings, around the value set for this parameter.

  • Page 31: Protection Functions

    PM1 represents the maximum evaporation pressure, expressed in degrees (saturated), above which the MOP protection and alarm are activated (each with its own delay times). There is a gradual return to normal operation, to avoid the critical situations arising again. Heos +0300078EN - rel. 1.6 - 23.11.2017...

  • Page 32: Anti-Sweat Heater Or Fan Modulation

    . PL1 LOP -40.0 °C -50.0 (-40.0) (°F) (-58.0) PL2 LOP: Low evaporation temperature integral time 10 PL3 LOP: Low evaporation temperature alarm delay 300.0 Heos +0300078EN - rel. 1.6 - 23.11.2017...

  • Page 33: Condenser Control

    HEOS controller to understand whether the supervisor is connected directly to each controller (see parameter /FM), or estimated. continuing to send new values. If Heos does not receive any new values The estimate of the glass temperature probe reading is performed...

  • Page 34: Anti-Sweat On Inverter With Cold Plate

    Note: If a digital output is selected (Bad13), the confi guration is Below is the control diagram based on condensing temperature/ automatically set to “Parallel connection”, while if the other confi guration pressure. is required, no output must be selected for Bad13. Heos +0300078EN - rel. 1.6 - 23.11.2017...

  • Page 35: Dual Temperature" Management

    Low temperature alarm threshold Al.2 Fc04 Inverter anti-sweat temperature threshold 15.0 °C 50.0 Evaporator capacity Eb04 (59.0) (°F) (32.0) (122.0) Tab. 6.ak Inverter anti-sweat temperature diff erential 3.0 °C 10.0 (5.4) (°F) (0.0) (18.0) Heos +0300078EN - rel. 1.6 - 23.11.2017...

  • Page 36: Parameter Table

    Maximum condensing pressure probe value 45.0 (650.0) barg/psig 200.0 (2938.0) Minimum condensing pressure probe value 0.0 (0.0) barg/psig -1.0 (-14.7) Condensing pressure probe off set 0.0 (0.0) bar/psi -10.0 (-146.9) 10.0 (146.9) Heos +0300078EN - rel. 1.6 - 23.11.2017...
  • Page 37 Select type of water outlet temperature probe 0: NTC 1: NTC-HT 2: PT1000 Water outlet temperature probe reading °C (°F) Water outlet temperature probe off set 0.0 (0.0) °C (°F) -50.0 (-90.0) 50.0 (90.0) Heos +0300078EN - rel. 1.6 - 23.11.2017...
  • Page 38 Select type of discharge temperature probe comp 4 0: CAREL NTC 1: CAREL NTC-HT 2: PT1000 Discharge temperature reading comp 4 °C (°F) Discharge temperature probe off set comp 4 0.0 (0.0) °C (°F) -50.0 (-90.0) 50.0 (90.0) Heos +0300078EN - rel. 1.6 - 23.11.2017...
  • Page 39 1: DI1, ..., 4: DI4 5: MST Curtain contact output status 0: CLOSED 1: OPEN 0: N.C.; 1: N.A. Select curtain contact output logic Curtain contact output function 0: NOT ACTIVE 1: ACTIVE Heos +0300078EN - rel. 1.6 - 23.11.2017...
  • Page 40 1: DO1, ..., 8: DO8 9: Y1 10: Y2 11: Y3 Fan output 1 status 0: OPEN 1: CLOSED Select fan output 1 logic 0: N.A; 1: N.C. Fan output 1 function 0: NOT ACTIVE 1: ACTIVE Heos +0300078EN - rel. 1.6 - 23.11.2017...
  • Page 41 1: DO1, ..., 8: DO8 9: Y1 10: Y2 11: Y3 Condenser fan output status 0: OPEN 1: CLOSED Select condenser fan output logic 0: N.O. 1: N.C. Condenser fan output function 0: NOT ACTIVE 1: ACTIVE Heos +0300078EN - rel. 1.6 - 23.11.2017...
  • Page 42 14: CURTAIN CONTACT 15: ON/OFF COMP. 16: HEAT RECOVERY 17: COND. BYPASS. 18: INV. WATER SOL. VALVE 19: COND. AIR ON/OFF 20...24: COMPRESSOR 1...5 Manual management status of DO5-DO8 0: NO; 1: YES Heos +0300078EN - rel. 1.6 - 23.11.2017...
  • Page 43 50.0 (122.0) °C (°F) 50.0 (122.0) Cc02 Minimum pressure control set point limit 1.2 (17.3) barg (psig) 1.2 (17.3) 8.3 (121.9) Maximum pressure control set point limit 8.3 (121.9) barg (psig) 1.2 (17.3) 8.3 (121.9) Heos +0300078EN - rel. 1.6 - 23.11.2017...
  • Page 44 Minimum pressure delta for compressor start ? 0.2 (2.9) bar/psi 0.1 (1.5) 2.0 (29.4) Pressure delta control delay to check comp. start-up Dab06 Restart delay after failed start Number of restart attempts after failed start Heos +0300078EN - rel. 1.6 - 23.11.2017...
  • Page 45 Type of defrost/end defrost 0: ELECTR./ TEMP-TIMEOUT 1: INV. CYCLE/ TEMP-TIMEOUT 2: ELECTR./ ONLY TIMEOUT 3: INV. CYCLE/ ONLY TIMEOUT 4: ELECTRICAL/ REGUL. TEMPERAT. TIME 5: BYPASS HOT-GAS / TEMP-TIMEOUT 6: BYPASS HOT-GAS/ ONLY TIMEOUT Heos +0300078EN - rel. 1.6 - 23.11.2017...
  • Page 46 Anti-sweat heater modulation cut-off diff erential 1.0 (1.8) °C (°F) 0.0 (0.0) 10.0 (18.0) De03 Anti-sweat heater activation period Manual activation anti-sweat heaters percentage De04 Minimum anti-sweat heater output Maximum anti-sweat heater output Heos +0300078EN - rel. 1.6 - 23.11.2017...
  • Page 47 Multi-evaporator superheat control off set 20.0 (36.0) °C (°F) 0.0 (0.0) 40.0 (72.0) Eb06 Change unit delay in SuperHeat mode Modulating SuperHeat mode 0: BEST UNIT; 1: ALL Eb07 Valve opening during oil recovery Heos +0300078EN - rel. 1.6 - 23.11.2017...
  • Page 48 Tab. 7.al These parameters can only be set by Carel HQ, depending on the compressor model. Changing the settings may aff ect compressor life, as they have been agreed on with the compressor manufacturer. For any settings, please contact Carel.

  • Page 49: Signals And Alarms

    8. SIGNALS AND ALARMS Heos can manage both alarms relating to the status of the digital inputs Note: A maximum of 50 alarms can be logged; after this limit any and to system operation. For each alarm, the following are controlled: new events overwrite the oldest ones, which are therefore deleted.
  • Page 50 Type of alarm thresholds, relative to the control set point or absolute 0: RELATIVE 1: ABSOLUTE AdE Delayed external alarm delay priority 0: LOW (compressor not stopped) 1: HIGH (compressor stopped) Serial probe alarm delay Tab. 8.b Heos +0300078EN - rel. 1.6 - 23.11.2017...

  • Page 51: Alarm Table

    Master confi gured without pLAN network Auto Imm. Note: in the event of alarms, the evaporator fan behaves as set (with control active) for parameter F2 (screen Dd01). (*) Manual or semi-automatic reset Heos +0300078EN - rel. 1.6 - 23.11.2017...

  • Page 52: Software Update

    Press the UP, DOWN and Enter buttons together. Press Enter twice and set the controller’ s address to 7. Confi rm by pressing Enter. Display address setting....:02 I/O Board address..:07 Slave1 Confi rm by pressing Enter. Terminal config press ENTER to continue Fig. 9.a Heos +0300078EN - rel. 1.6 - 23.11.2017...

  • Page 53: Uploading/Updating The Software

    To repeat the operation, the key must fi rst be unplugged. In case of error the symbol will light up together with the other LEDs. The following table can help you fi nd the cause of the problem. Heos +0300078EN - rel. 1.6 - 23.11.2017...

  • Page 54: Pco Manager: Operating Instructions

    Manager can be installed by itself or as part of the 1Tool programming environment. Installing pCO Manager Go to http://ksa.carel.com and, in section pCO Sistema, select pCO_manager. Fig. 9.j After you accept the general conditions of the software’s free use licence, a window will open from which you can download the fi...
  • Page 55 • *_GRAPH.CSV containing the same data to be used for charting categories and to create sets of confi guration parameters. purposes. Heos +0300078EN - rel. 1.6 - 23.11.2017...

  • Page 56: History Of Software Revisions

    New version 1.2 • Added pump down management New version 1.3 • Defrost on multi-evaporator changed • Various updates New version 1.4 • Dual temp function added • Some default values changed • Various updates Heos +0300078EN - rel. 1.6 - 23.11.2017...
  • Page 57 Notes: Heos +0300078EN - rel. 1.6 - 23.11.2017...
  • Page 58 Notes: Heos +0300078EN - rel. 1.6 - 23.11.2017...
  • Page 60 Agenzia / Agency: CAREL INDUSTRIES - Headquarters Via dell’Industria, 11 - 35020 Brugine - Padova (Italy) Tel. (+39) 049.9716611 - Fax (+39) 049.9716600 e-mail: carel@carel.com - www.carel.com...

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