Carel heaterSteam User Manual
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Carel heaterSteam User Manual

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Summary of Contents for Carel heaterSteam

  • Page 1 User manual Technology & Evolution...
  • Page 3 We wish to save you time and money! We can assure you that a thorough reading of this manual will guarantee correct installation and safe use of the product described.
  • Page 4 Disconnect the machine from the mains power supply before accessing any internal parts. The local safety standards in force must be applied in all cases. Approval: the quality and safety of Carel products are guaranteed by the company's ISO 9001 certified design and production system, as well as the...

  • Page 5: Table Of Contents

    CONTENTS THE MODELS..................................3 The accessories ..................................3 DESCRIPTION OF THE MAIN COMPONENTS AND FUNCTIONS ................4 Level control..................................5 2.1.1 Working level switch ................................. 5 2.1.2 Safety level switch ................................5 Overfill device ..................................5 Regulation of steam production .............................. 5 Measurement of the conductivity of the supply water - alarm thresholds .................
  • Page 6 Installation of the steam conveyance tubing .......................... 27 Installing the condensation return tubing ..........................28 Checks....................................28 START-UP ..................................... 29 Preliminary checks................................29 Removing the element centring spring (only for three-phase models)..................29 Start-up....................................29 THE HUMIDIFIER CONTROLLER ........................... 30 10.1 Type C control module, with indication LEDs and ON/OFF action ..................

  • Page 7: The Models

    Key: --: not available; incl.: accessory included; option: extra option Tab. 1.1.1 Carel code +030221761 preliminary version - rel. 2.0 - 03/09/99...

  • Page 8: Description Of The Main Components And Functions

    (optional) water temperature sensor (optional) overheating sensors (optional) lime collection film heating elements cylinder housing bottom filter drain electrovalve Tab. 2.1 Carel code +030221761 preliminary version - rel. 2.0 - 03/09/99...

  • Page 9: Level Control

    This deactivates the relay that controls the power supplied to the elements, and places the humidifier in an alarm state. Carel code +030221761 preliminary version - rel. 2.0 - 03/09/99...

  • Page 10: Autotest Procedure

    In the event of overheating (caused by excessive lime deposits on the surface of the elements, or by low water level not detected by the level control), the overheating alarm is activated. In units with more than one element, the PTC temperature sensors are connected in series. Carel code +030221761 preliminary version - rel. 2.0 - 03/09/99...

  • Page 11: Regulation Principles

    % rH, transmitted by the transducer, is inactivate higher than St by a programmable quantity P5+P6; the hysteresis of the step, also programmable, is equal to P6. Fig. 3.2.3.1 Carel code +030221761 preliminary version - rel. 2.0 - 03/09/99...

  • Page 12: Autonomous Regulation With Ambient Relative Humidity Transducer And Supply Humidity Limiting Transducer (Param. A0=3)

    WARNING: the parameter A0 and the functional alarm parameters Px and b0 are set in the factory (default values valid for normal applications). Nonetheless, these can be modified by the user, following the instructions contained in: Reading and programming the parameters for the type H or T control module. Carel code +030221761 preliminary version - rel. 2.0 - 03/09/99...

  • Page 13: Mounting The Unit

    4. remove the casing by pulling it forward. To close the appliance, proceed as follows: 1. turn the red oval plate with the Carel logo so that the fastening hole below is visible; 2. slide the casing onto the structure, keeping it in a slightly raised position, until it rests on the edges of the rear piece;...

  • Page 14: Positioning The Unit

    Hang the appliance on the bracket using the contour on the upper edge of the rear of the unit. Finally, fasten the appliance to the wall using the hole in the centre rear of the base. This can be easily reached from the bottom. Carel code +030221761 preliminary version - rel. 2.0 - 03/09/99...

  • Page 15: Hydraulic Connections

    6mm, fitted with a shut-off tap to allow the appliance to be disconnected during maintenance operations. To simplify installation it is recommended to use Carel flexible tubing with an internal diameter of 6mm and an external diameter of 8mm (code 1312350APN) and the rotating ¾"G...

  • Page 16: Table Of Technical Specifications

    This will allow the elimination of any scoria and processing residues which may cause the formation of foam during the boiling process. Carel code +030221761 preliminary version - rel. 2.0 - 03/09/99...

  • Page 17: Electrical Connections

    20m; the standards in force must in any case be followed. (5) Instantaneous steam production: the average steam production may be influenced by external factors, such as: ambient temperature, water quality, steam distribution system. Carel code +030221761 preliminary version - rel. 2.0 - 03/09/99...

  • Page 18: Checking The Voltage Of The Auxiliary Circuit Transformer

    24Vac; max 250mA 32Vdc standard RS-485 remote control terminal block button switch NC contact for DRAIN command with simultaneous common contact disconnection of the power supply NO contact Tab. 7.4.1 Carel code +030221761 preliminary version - rel. 2.0 - 03/09/99...

  • Page 19: Auxiliary Connections

    The humidifier with modulating action is fitted with solid-state relays, and thus its capacity can be varied from zero to 100% depending on the regulation requirements. In this case too, the humidifier can be connected via RS485 to the Carel Humivisor MT remote control panel or a remote supervisor.

  • Page 20: Control Module T For Steam Baths With Modulating Action

    The diagrams shown in Fig. 7.5.2.5 indicate the connections to be made using Carel probes, for: a) just one relative humidity probe; b) a limiting humidity probe in supply duct. possible Carel probes + (G) CAREL relative ambient out H...

  • Page 21: Using Different Brand Probes

    7I and 8I are connected by jumper or an enabling contact; the ground of any non-Carel probes is electrically connected to the ground of the control; if the appliance is commanded by an external regulator, the ground of the signal is electrically connected to the ground of the control.

  • Page 22: Wiring Diagrams For The Connection Of The Elements At The Headers

    1-2-3 terminals Fig. 7.8.1 three-phase star connection Fig. 7.8.3 single-phase parallel connection (6kg/h) Fig. 7.8.2 three-phase delta connection Fig. 7.8.4 single-phase connection (2-4kg/h) Tab. 7.8.1 Carel code +030221761 preliminary version - rel. 2.0 - 03/09/99...

  • Page 23: Single-Phase Wiring Diagram For 2-4Kg/H Humidifiers With Type C Control Module

    PTC (1) Element temperature sensor Circuit breaker High level electrodes 13-14 Auxiliary contacts contactor K (1) optional in the version C0, Manual switch Conductivity meter electrodes standard in the version C1 Carel code +030221761 preliminary version - rel. 2.0 - 03/09/99...

  • Page 24: Single-Phase Wiring Diagram For 2-4Kg/H Humidifiers With Type H Or T Control Module

    Solid state relay Safety thermostat QC1-QC2 Quick connectors S2 (1) Circuit breaker (1) optional in the versions H0 and T0, Level switches Sensor terminal block standard in the versions H1 and T1 Carel code +030221761 preliminary version - rel. 2.0 - 03/09/99...

  • Page 25: Single-Phase Wiring Diagram For 6Kg/H Humidifiers With Type C Control Module

    PTC1- PTC2- PTC3 (1) Element temperature sensors Circuit breaker High level electrodes Auxiliary contacts contactor K (1) optional in the version C0, 13-14 Manual switch Conductivity meter electrodes standard in the version C1 Carel code +030221761 preliminary version - rel. 2.0 - 03/09/99...

  • Page 26: Single-Phase Wiring Diagram For 6Kg/H Humidifiers With Type H Or T Control Module

    Solid state relay Safety thermostat Quick connectors Circuit breaker (1) optional in the versions H0 and T0, QC1-QC2 S2 (1) Level switches Sensor terminal block standard in the versions H1 and T1 Carel code +030221761 preliminary version - rel. 2.0 - 03/09/99...

  • Page 27: Three-Phase Wiring Diagram For Humidifiers With Type C Control Module

    Circuit breaker High level electrodes NTC (1) Water temperature sensor (1) optional in the version C0, Manual switch Conductivity meter electrodes 13-14 Auxiliary contacts contactor K standard in the version C1 Carel code +030221761 preliminary version - rel. 2.0 - 03/09/99...

  • Page 28: Three-Phase Wiring Diagram For Humidifiers With Type H Or T Control Module

    Solid state relay Safety thermostat Quick connectors Circuit breaker (1) optional in the versions H0 and T0, QC1-QC2 S2 (1) Level switches Sensor terminal block standard in the versions H1 and T1 Carel code +030221761 preliminary version - rel. 2.0 - 03/09/99...

  • Page 29: Steam Distribution

    For steam distribution in air ducts, the steam distributor must be suitably proportioned to the power of the humidifier and the cross-section of the ducts. For this purpose, Carel supplies two ranges of linear distributors: one in aluminium, with plastic ends (type E) and a premium range, made completely from AISI 304 stainless steel with double chamber (type L).

  • Page 30: Concentrated Jet Steam Distribution (Oem)

    The distance can be shortened using a series of distributors in parallel. Carel code +030221761 preliminary version - rel. 2.0 - 03/09/99...

  • Page 31: Installation Of The Steam Conveyance Tubing

    Fig. 8.5.11 8.6 Installation of the steam conveyance tubing The connection between the humidifier and distributor must be made using suitable tubing, such as the Carel flexible tubing. The use of incorrect tubing may lead to fragility and cracks and consequent steam leaks.

  • Page 32: Installing The Condensation Return Tubing

    5° at each point; the condensation tubing features a trap (filled with water before start-up) to avoid the release of steam. Carel code +030221761 preliminary version - rel. 2.0 - 03/09/99...

  • Page 33: Start-Up

    According to the model of the humidifier's control module, the start-up sequence is signalled by the illumination of the LEDs on the control panel, as described in the following chapter. Fig. 9.3.1 Carel code +030221761 preliminary version - rel. 2.0 - 03/09/99...

  • Page 34: The Humidifier Controller

    To interpret the type of alarm, see ALARMS AND TROUBLESHOOTING. The control module continues to indicate the alarm state (even if this is no longer active) until the reset button is pressed; still active alarms can not be reset. Carel code +030221761 preliminary version - rel. 2.0 - 03/09/99...

  • Page 35: Manual Drain Command

    3 segments - - - are illuminated in sequence. In the event of an active alarm, the LED next to the ALARM marking is illuminated and the display shows the relative code. Carel code +030221761 preliminary version - rel. 2.0 - 03/09/99...

  • Page 36: Display

    After 2 seconds the drain electrovalve is activated, until the buttons are released. When the buttons are released, the command can be repeated within 5 seconds, otherwise the humidifier must be switched off and on again. Carel code +030221761 preliminary version - rel. 2.0 - 03/09/99...

  • Page 37: Reading And Programming The Parameters Of The Type Hor T Control Module

    (see Tab. 11.2.2). Carel code +030221761 preliminary version - rel. 2.0 - 03/09/99...
  • Page 38 7. Press the PRG button to permanently save the steps 2 to 5 modifications and conclude the programming phase. 7 - press PRG to save the new data Fig. 11.2.3 Carel code +030221761 preliminary version - rel. 2.0 - 03/09/99...

  • Page 39: Reading And Programming The Configuration Parameters

    0, .., 100 regulation of the foam detection threshold (if set to 0 foam detection is disabled) Tab. 11.3.2 **: the default value depends on the size of the humidifier. Carel code +030221761 preliminary version - rel. 2.0 - 03/09/99...
  • Page 40 8 - press repeatedly to scroll to next parameter to modify and repeat and conclude the programming phase. steps 4 to 7 9 - press PRG to save the set data Fig. 11.3.3 Carel code +030221761 preliminary version - rel. 2.0 - 03/09/99...

  • Page 41: Validity Of The Modifications To The Parameters

    Fahrenheit time in minutes °F relative humidity in % time in hours steam production in kg/h conductivity S/cm steam production in pounds/h percent Tab. 11.7.1 Tab. 11.7.2 Carel code +030221761 preliminary version - rel. 2.0 - 03/09/99...

  • Page 42: The Remote Control

    The remote control will operate at up to a distance of 3 metres, and can be used with all appliances in the heaterSteam family. In the event where there is more than one humidifier within the remote control's operating range, the appliance to be operated can be determined by assigning each control module an individual access code (parameter C2).

  • Page 43: Buttons For The Remote Control Of The Control Module Keypad

    The values in the memory of the control module will automatically be modified on exiting the programming phase. Fig. 12.2.4.1 Carel code +030221761 preliminary version - rel. 2.0 - 03/09/99...

  • Page 44: Modifying The Main Parameters (Without Specific Button)

    2 (two) 1.5V mini alkaline batteries (type UM-4 AAA, IEC R03) case plastic dimensions (mm) 60 x 160 x 18 storage temperature (°C) operating temperature (°C) type of transmission infra-red weight (g) 80 (without batteries) Tab. 12.4.1 Carel code +030221761 preliminary version - rel. 2.0 - 03/09/99...

  • Page 45: Shutting Down The Unit

    2 seconds the drain electrovalve is activated until the buttons are released; when the buttons are released, the command can be repeated within 5 seconds, otherwise the humidifier will need to be turned off and on again. Carel code +030221761 preliminary version - rel. 2.0 - 03/09/99...

  • Page 46: Maintenance And Spare Parts

    The layout of the humidifier is as in Fig. 14.1.1: description pressure balancing tubing sensor connections cylinder fastener closing ext thermal lining ( ) with Velcro fastener optional ground connection level control Tab. 14.1.1 Fig. 14.1.1 Carel code +030221761 preliminary version - rel. 2.0 - 03/09/99...
  • Page 47 For the power connections, refer to: Wiring diagrams for the connections of the elements at the headers. n. description high level sensor electrodes safety thermostat reset button protective cover boiler cover fastening lever pipe union with ring nut and filter Tab. 14.1.3 Fig. 14.1.3. Carel code +030221761 preliminary version - rel. 2.0 - 03/09/99...
  • Page 48 13 O-ring (for PTC probe) 14 electrical heating element 15 washer (for PTC probe) 16 bracket for safety thermostat 17 safety thermostat 18 PTC probe (element temperature control) Tab. 14.1.4 Fig. 14.1.4 Carel code +030221761 preliminary version - rel. 2.0 - 03/09/99...
  • Page 49 14 washer (for PTC probe) 15 bracket for safety thermostat 16 safety thermostat 17 PTC probe tubing (element temperature control) 18 safety thermostat bracket fastening closing Tab. 14.1.5 Fig. 14.1.5 Carel code +030221761 preliminary version - rel. 2.0 - 03/09/99...

  • Page 50: Maintenance Of The Other Hydraulic Components

    Supply, load, overfill tubing (Fig. 14.2.1, part nos. 5, 6 and 7) Check that they are free and do not contain any impurities; remove any impurities and rinse. Carel code +030221761 preliminary version - rel. 2.0 - 03/09/99...

  • Page 51: Replacing The Components

    PTC will cause the control module to shut-down operation. To replace the sensors, remove the cylinder following the procedure described in Maintenance of the cylinder-boiler and then: Carel code +030221761 preliminary version - rel. 2.0 - 03/09/99...

  • Page 52: Ntc Temperature Sensor (Version With Type H Or T Control Module Only)

    Carel code +030221761 preliminary version - rel. 2.0 - 03/09/99...

  • Page 53: Spare Parts

    The humidifier is made up of metallic and plastic parts, refer to Figs.: 2.1 and 14.2.1. All these parts must be disposed of according to the local standards regarding product waste disposal. Carel code +030221761 preliminary version - rel. 2.0 - 03/09/99...

  • Page 54: Alarms And Troubleshooting

    Table 15.1.1 lists the alarm indications, the causes, the conditions and the possible solutions. The remote terminal column indicates the alarm message which appears on the LCD display of the Carel Humivisor remote control panel, if one is connected to the humidifier.
  • Page 55 (once having effected the suggestion, control control Humivisor relay remote term. if the problem persists, contact the Carel service department) activation of safety problem dependent mainly on operation without water; total shut- not avail. active E201 thermostat down turn the machine off and, once it has cooled down, reactivate the thermostat on the cylinder cover after having cleaned the cylinder and the level control, checking the efficiency of the components;...
  • Page 56 Humivisor (once having effected the suggestion, relay remote term. if the problem persists, contact the Carel service department) high water conductivity humidifier auto not active check the conductivity of the supply water; not featured E231 pre-alarm disabled if necessary, install a suitable water treatment system;...

  • Page 57: Troubleshooting

    4. check the fastening of the pipe clamp on the steam 4. the steam supply tubing is not properly attached supply tubing; to the cylinder; Tab. 15.2.1 Carel code +030221761 preliminary version - rel. 2.0 - 03/09/99...

  • Page 58: Humidifier Technical Specifications

    (general characteristics) type of micro-switching action 1C remote enabling input (general characteristics) free contact ; max. resistance 50 ; Vmax=24Vdc; Imax=5 but two-lead RS-485 serial communication Tab. 16.1 - cont. Carel code +030221761 preliminary version - rel. 2.0 - 03/09/99...

  • Page 59: Guarantee On Materials

    Carel reserves the right to modify or change its products without prior warning. Carel code +030221761...
  • Page 60 Agency: Technology & Evolution CAREL srl Via dell’Industria, 11 - 35020 Brugine - Padova (Italy) Tel. (+39) 049.9716611 Fax (+39) 049.9716600 http://www.carel.com – e-mail: carel@carel.com...

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