Swegon GLOBAL PX Operation And Maintenance Instructions
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Swegon GLOBAL PX Operation And Maintenance Instructions

Swegon GLOBAL PX Operation And Maintenance Instructions

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GLOBAL PX/RX/LP
Operation and maintenance instructions
Applicable to program versions TAC6 – Version 1.0.0.5
GLOBAL PX
GLOBAL LP
GLOBAL RX
GLOBAL RX TOP

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  • Page 1 GLOBAL PX/RX/LP Operation and maintenance instructions Applicable to program versions TAC6 – Version 1.0.0.5 GLOBAL PX GLOBAL RX GLOBAL LP GLOBAL RX TOP...
  • Page 2 Operation and maintenance instructions...

  • Page 3: Table Of Contents

    GLOBAL PX/RX/LP Table of content Safety precautions Symbols and abbreviations Product Overview Wiring Overview Functions Commissioning Commissioning with Touchscreen interface Preventive maintenance Troubleshooting Parameters/Commissioning Sheet 10.0 CE Declaration Operation and maintenance instructions...
  • Page 4 HANDING PRE-HEATING POST-HEATING GLOBAL PX 04/05/08/10/12/ Yes, electrical Yes, electrical Right Forward Counterflow 13/14/16/18/20/24/26 or water GLOBAL PX TOP Yes, electrical 05/08/10/12/14/18 Yes, electrical Left / Right Backward Counterflow or water GLOBAL RX 05/08/10/12/13/ Yes, electrical Left / Right Backward...

  • Page 5: Safety Precautions

    Disclaimer Danger/Warning/Caution • RANGE OF APPLICATION All staff concerned shall acquaint themselves with these instructions before beginning any work on the The GLOBAL units are designed for use in comfort unit. Any damages to the unit or its components ventilation applications. caused by improper handling or misuse by the Depending on the variant selected, GLOBAL units can be purchaser or the installer cannot be considered...

  • Page 6: Symbols And Abbreviations

    2.0 Symbols and abbreviations BACKWARD CURVED FAN BAG FILTER PLEATED FILTER ROTARY HEAT PLATE HEAT EXCHANGER EXCHANGER Electronic boards contains ESD WARNING sensitive components. Wear antistatic wrist strap connected to protective earth before to manipulate them. Must be connected by a qualified In alternative, discharge by Electrician.

  • Page 7: Product Overview

    3.0 Product Overview GENERAL OVERVIEW RIGHT HAND UNIT (SUPPLY AIR TO THE RIGHT) LEFT HAND UNIT (SUPPLY AIR TO THE LEFT) ETA ETA GLOBAL RX GLOBAL RX GLOBAL RX TOP GLOBAL RX TOP GLOBAL PX GLOBAL PX Operation and maintenance instructions...
  • Page 8 RIGHT HAND UNIT (SUPPLY AIR TO THE RIGHT) LEFT HAND UNIT (SUPPLY AIR TO THE LEFT) GLOBAL LP (TOP view) GLOBAL LP (TOP view) ATTENTION Right and left hand units have different article numbers and should be ordered accordingly. Main version described in the manuals is always the hand right version. The difference between left and right LP units is the factory placement of the controls box on opposite sides.
  • Page 9 RIGHT HAND UNIT (SUPPLY AIR TO THE RIGHT) LEFT HAND UNIT (SUPPLY AIR TO THE LEFT) GLOBAL PX TOP 05 - 10 GLOBAL PX TOP 05 - 10 GLOBAL PX TOP 12 - 18 GLOBAL PX TOP 12 - 18...
  • Page 10 COMPONENTS GLOBAL PX GLOBAL PX 10. Modulating 100% by-pass 1. Main power switch 11. Drain pan and drain pipe 2. Main power switch for electrical coils (both internal pre-hating and post-heating) 12. Pre-heating electrical antifrost coil 3. Wiring box TAC controller 13.
  • Page 11 AIR VOLUMES AND DIMENSIONS - GLOBAL PX GLOBAL PX EXCHANGER SIZE AIR VOLUME A [mm] B [mm] C [mm] Weight [kg] 1060 m³/h 295 l/s 1680 1465 1680 m³/h 465 l/s 1680 1465 1860 m³/h 515 l/s 1680 1465 2300 m³/h...
  • Page 12 7. Stainless steel drain pan 8. Base frame for easy on site transport 9. Integrated post-heating (water / electrical) 10. I ntegrated pre-heating (electrical) 11. Silencer AIR VOLUMES AND DIMENSIONS GLOBAL PX TOP EXCHANGER SIZE AIR VOLUME A [mm] B [mm]...
  • Page 13 COMPONENTS GLOBAL LP GLOBAL LP 10. Modulating 100% by-pass 1. Main power switch 11. Drain pan and drain pipe 2. Main power switch for electrical coils (both internal pre-hating and post-heating) 12. Pre-heating electrical antifrost coil 3. Wiring box TAC controller 13.
  • Page 14 AIR VOLUMES AND DIMENSIONS - GLOBAL LP GLOBAL LP GLOBAL LP EXCHANGER SIZE AIR VOLUME A [mm] B [mm] C [mm] Weight [kg] 580 m³/h 160 l/s 1300 650 m³/h 180 l/s 1300 1100 1000 m³/h 280 l/s 2100 1050 1420 m³/h 395 l/s 2100...
  • Page 15 COMPONENTS GLOBAL RX GLOBAL RX TOP GLOBAL RX 13. Internal post-heating water or electrical coil (accessory) 1. Main power switch 14. Motorized damper (at outdoor air side - accessory) 2. Main power switch for electrical coils (both internal pre-hating and post-heating) 15.
  • Page 16 AIR VOLUMES AND DIMENSIONS - GLOBAL RX GLOBAL RX (TOP) EXCHANGER SIZE AIR VOLUME A [mm] B [mm] C [mm] Weight [kg] 1050 m³/h 290 l/s 1530 1315 1400 m³/h 390 l/s 1530 1315 1690 m³/h 470 l/s 1680 1465 GLOBAL RX TOP 2140 m³/h 590 l/s...

  • Page 17: Wiring Overview

    4.0 Wiring Overview MAIN CONTROL BOARD TAC - CID026006 AO1 = outpout 0-10V for external hydraulic postheater (option) T1 = from outdoors T° sensor (prewired) DO1 = KWout = output PWM for KWout power regulation (option - prewired) T2 = from indoors T° sensor (prewired) T3 = to outdoors T°...
  • Page 18 4.1 DIGITAL OUTPUTS The digital outputs DO7 to DO11 may be used to activate a Fig. 2 relay (1 N/O contact. Input voltage: 24 V DC). See figure 1 for example with DO7.: output for heat circulator pump, figure 2 for DO9: output for alarm indication, figure 3 for DO10pressure alarm indication.
  • Page 19 4.3 CIRCUIT BOARD SAT IO - CID3 72 144 Fig. 5 SAT IO is a satellite circuit designed to be fitted on the main control board. It permits to extend the number of inputs and outputs. Installation The SAT IO must be plugged onto the control board circuit (see Fig.5). Attention: The SAT IO must be plugged in before the circuit is powered.
  • Page 20 4.4 EXTERNAL COILS CONTROL In case of addition of external coil, the kit EBA or KWext will be necessary to connect respectively the EBA (external hydraulic/evaporation/condensation battery) or KWext (external electrical coil) to the control board TAC. Both kits consist simply in extender cable, anyway necessary to reach the external battery, connectorized at the control board side extremity.

  • Page 21: Functions

    5.0 Functions 5.1 OPERATING MODE There are five main operating modes. The operating In all the operating modes, the supply fan(s) will operate mode determines how the airflow or the fan torque as per the assigned mode and parameters. The exhaust is modulated.
  • Page 22 5.2 TEMPERATURE CONTROL There are several options available on GLOBAL units to ensure a comfortable temperature. The options are controlled either via supply or extract air temperature. Supply Air Temperature Supply temperature control is the default setting. This involves keeping a constant supply air temperature without consideration to the load in the premises.
  • Page 23 5.4 CHANGE OVER FUNCTION AUTOMATIC CHANGE OVER The TAC controller allows for the control of reversible coil or both cooling and heating coil. The coils are equipped with their motorised 3-way valves. The offset between the measured temperature (supply air or extract air, to be configured) and the setpoint will determine if heating or cooling is automatically activated.
  • Page 24 5.5 FROST PROTECTION HEATING COIL The frost protection function is always active if the temperature of the coil drops below 4°C. Under these heating coil has been correctly configured in the product conditions the pump output is activated and the three- setup.
  • Page 25 5.6 TIME SCHEDULE The controller allows 6 time slots (channels) to be configured. For each day of the week, the operation mode can be either AUTO (operate according to time slots) or manual (selection of speed). For each time slot select : •...

  • Page 26: Commissioning

    6.0 Commissioning As a human machine interface (HMI), several options are available. The HMI will enable access to the control parameters in the integrated controller. The HMI as such does not contain any programming and therefor is not mandatory. The possible HMIs are: TACtouch touchscreen - CID372142 This 4.3”...
  • Page 27 6.1 COMMISSIONING WITH TACtouch INTERFACE The hand-held terminal consists of a 4.3” touch screen with a 1,5 metre long cable for connection to the air handling unit's control circuit board. If the hand-held terminal is not used for 20 minutes, it switches over to the sleep mode. The Touchscreen controller can be used outdoors, but it must be kept at a weatherproof place.
  • Page 28 Status indications 6.1.1 HOME SCREEN The home screen displays the current key data for the air han- dling unit and is shown is normally displayed if no other menu has been selected or if selected from the main menu. The touch screen switches to the sleep mode after 20 minutes.
  • Page 29 6.1.2 Main menu The main menu consists of a rotary menu with 7 icons. Control The control menu will allow for the user to change basic parameters and operation status of the unit. The unit can be started or stopped The fan speed can be selected;...
  • Page 30 Readings The operating status and the Settings can be read. Used for performance checks and for generally checking Set- tings, settings, power consumption, etc. No Settings can be altered in this menu group. Maintenance Configuration of service related settings. A maintenance warning interval can be configured as well as the filter clogging alarm.
  • Page 31 6.1.3 BASIC SETUP When the air handling unit is started up for the first time, the commissioning menu is automatically displayed. At the very end of the commissioning (menu) the commissioning of the unit has to be confirmed by the service technician. Once the commis- sioning has been confirmed, the commissioning menu will not BASIC SETUP be displayed as first menu any more.
  • Page 32 Constant airflow Demand control Flow control involves operating the air handling unit to The airflow desired is regulated in response to 0-10 V keep the preset airflow constant. The speed of the fans is input signals from an external sensor, such as a carbon automatically regulated to provide correct airflow even if dioxide or a humidity sensor.
  • Page 33 Temperature BASIC SETUP LANGUAGE The temperature control can be configured as a supply air control or an extract air control. By default, this function is configured as a supply air temperature UNITS control. Changes to this configuration are done in the advanced setup; see AIRFLOW REGULATION Section 6.1.4 TEMPERATURE...
  • Page 34 6.1.4 ADVANCED SETUP N.B.! The appearance and content of this menu varies depending on the type of air handling unit and functions and/or options selected. A code and a special training are needed to access this menu. Attention: The settings range for most of the functions ADVANCED SETUP is defined for maximal flexibility.
  • Page 35 Stop fan when pressure alarm ADVANCED SETUP 2ND 0...10 CONTROL SIGNAL Possibility to stop the fans automatically in case of a pressure alarm. CONSTANT PRESSURE STOP FAN Setting Settings Factory START TORQUE range setting DEACTIVATE SOFTSTOP Stop fans Start torque ADVANCED SETUP Possibility to change the fans’s starting torque.
  • Page 36 Boost ADVANCED SETUP The boost mode can be used to force the supply and extract DEACTIVATE SOFTSTOP airflow to a higher setpoint, when specific conditions are met. TEMPERATURE The boost mode can be activated with a contact connected to BOOST the digital input IN2 or by an analogue 0...10V control signal POST VENTILATION connected to input K3.
  • Page 37 Internal coils Water preheating coil ADVANCED SETUP By preheating the outdoor air, it is possible to prevent mois- BOOST ture precipitation in the AHU’s outdoor air filter, to reduce POST VENTILATION the risk of frosting in the heat exchanger and to eliminate INTERNAL COILS the risk that pressure sensors and motor control systems are EXTERNAL COILS...
  • Page 38 External coils ADVANCED SETUP Configuration of the coils BOOST This menu will allow for the configuration of any combi- POST VENTILATION nation of external heating and or cooling coil(s). EXTERNAL COILS FROST PROTECTION Setting Settings Factory FREECOOLING range setting Type None None Hot water...
  • Page 39 Frost protection Frost protection heating and cooling coils Frost protection plate heat exchangers (PX) The water coils are always protected against freezing by In environments where the extract air can occasionally an anti-frost temperature sensor. This sensor is monted be humid, the defrosting function can be activated to on the surface of the water coil.
  • Page 40 Modbus configuration ADVANCED SETUP The MODBUS RTU communication requires an additional RESTORE FACTORY SETTINGS satellite circuit (CID025006) which is used as commu- ALARMS LOG RESET nication interface. The communication protocol used is PRODUCT SETTINGS MODBUS RTU, RS485. ACCESS CODE Setting Settings Factory CONTACTS K1-K2-K3 MASTER...

  • Page 41: Preventive Maintenance

    7.0 Preventive maintenance Attention : before handling and/or opening the access panels it is compulsory to shut down the unit and disconnect the power supply using the general switch located on the front panel. Do not isolate the power supply whilst the unit is running. If KWin and\or KWout are installed, then isolate the corresponding power supplies.
  • Page 42 7.3 EVERY 12 MONTHS 1. For rotary heat exchanger (RX) units, check the brush seals on the rotary heat exchanger along the perimeter in contact with the frame: If necessary, bring the brush seals closer to the exchanger to ensure good sealing. 2.

  • Page 43: Troubleshooting

    8.0 Troubleshooting The TAC control board generates and reports 22 types of alarms. The alarms are subdivided into auto resetting and non-auto resetting alarms. For the latter, a reset will be necessary once the problem has been resolved. For each type of alarm, a full text description will be displayed on the user interface depending on the alarm type, together with a symbol indicating its level: highest level 3: severe alarm level 2: warning...
  • Page 44 Diagnostic: if both fans are in alarms: check power supply on each fan. • If only one fan is in alarm, invert the fans control cables on the control board and reset the board: • if the alarm text indicates now the other fan, the problem is located at the fan level originally indicated as faulty, or at its control cable itself or the wiring of this last one at fan connector side.
  • Page 45 8.3 TYPE 3: ALARM REPORT DURING REFERENCE PRESSURE INITIALIZATION - Conditions: • Mode Airflow control or Demand control: during the initialization of the pressure alarm. In this case, the unit must have forward fans or backward fans with kit CA. •...
  • Page 46 8.4 TYPE 4: ALARM INDICATING THE SYSTEM CANNOT FULFIL THE SETPOINT - Conditions: - Causes: • The setpoint cannot be fulfilled because the upper or lower limit of the fan’s working zone has been reached - Effects: Displayed on HMI TACtouch Text displayed Code Level...
  • Page 47 8.6 TYPE 6: FIRE ALARM - Conditions: • Fire alarm input must be connected to a fire detection system. - Causes: • Activation of fire alarm input, IN1, connected to a fire detection system. IN1 can be configured to work as NO open contact by default or as NC if configured so in the advanced setup. - Effects: Displayed on HMI TACtouch Text displayed...
  • Page 48 8.7 TYPE 7: MAINTENANCE ALARM - Conditions: • the running hours feature must be enabled in advanced setup - Causes: • SERVICE ALARM: the fan operating time (in hours) has exceeded the configurable threshold • STOP FAN: the fan operating time (in hours) has exceeded the configurable threshold. This alarm stops the fans - Effects: Displayed on HMI TACtouch Text displayed...
  • Page 49 8.8 TYPE 9: ALARM INDICATING A T° SENSOR T1/T2/T3/T4 FAILURE - Conditions: - Causes: • One or more of the T° sensors T1/T2/T3/T4 connected to the TAC circuit and mounted on heat exchanger is defect or not connected. These sensors are needed for the bypass control and the anti-frost procedure. - Effects: Displayed on HMI TACtouch Text displayed...
  • Page 50 8.10 TYPE 10 BIS: DRAIN PUMP ALARM - Conditions: • Only for GLOBAL LP or CLASS UNIT - Causes: • The level of condensate is higher than a set Setting (approx. 1.5 cm). It can also be activated if the pump is not present or defective - Effects: Displayed on HMI TACtouch Text displayed...
  • Page 51 8.12 TYPE 12: ALARM INDICATING THAT THE COMFORT T° IS TOO LOW RELATIVE TO SETPOINT T° - Conditions: • Only with post-heating option - Causes: • The comfort T° setpoint cannot be reached (actual T° lower than setpoint during 15 minutes, or 30 minutes if comfort on T2 instead of T5, while post heating is at maximum) - Effects: Displayed on HMI TACtouch...
  • Page 52 8.13 TYPE 13: ALARM INDICATING HEAT EXCHANGER FROST PROTECTION ALERT - Conditions: • Only with post-heating option. - Causes: • For PX units: Frost protection is only selected with electrical pre-heating coil (KWin) or water preheating coil (BAin) or modulating bypass. With KWin or BAin option: In certain air T°...
  • Page 53 8.14 TYPE 14: ALARM INDICATING FROST PROTECTION ALERT – FANS STOPPED T° - Conditions: • Frost protection is only selected for PX units with electrical preheating (KWin) or water preheating (BAin) or if modulating bypass. - Causes: • With KWin or BAin option: in certain air T° conditions as measured on the exhaust airflow after the heat recovery, indicating that the internal electrical KWin coil or external hydraulic coil (BAin) has reached its limit, the TAC control can take over to guarantee the anti-frost function.
  • Page 54 - Diagnostic: A – Visual mechanical check : 1. Check good tension of the green rubber belt in the central part of the unit. Eventually replaced if broken. 2. Check the good coupling between motor shaft and pulley: eventually screw the 2 screws. 3.
  • Page 55 8.16 TYPE 15 BIS: ALARM INDICATING THAT THE COMFORT T° IS TOO HIGH RELATIVE TO SETPOINT T° - Conditions: • Only with post cooling option. - Causes: • The comfort T° setpoint cannot be reached (actual T° lower than setpoint during 15 minutes, or 30 minutes if comfort on T2 instead of T5, while post cooling is at maximum).
  • Page 56 8.17 TYPE 16: ALARM INDICATING THAT THE SUPPLY T° IS TOO LOW - Conditions: • Only with post heating or cooling option. - Causes: • This alarm indicates that the supply temperature (T5) is lower than 5°C. The fans are stopped for 1 minute. The alarm is configurable through the advanced setup and is disabled by default.
  • Page 57 8.19 TYPE 18: ALARM INDICATING AN INCORRECT POSITION OF THE MODULATING BYPASS RELATIVE TO THE ORDERED POSITION - Conditions: • PX units with modulating bypass - Causes: • This alarm indicates that the modulating bypass has not reached the ordered position within 10 seconds. The most common reason for this is a damaged position sensor on the bypass actuator, and this must be replaced.
  • Page 58 8.20 TYPE 19: ALARM INDICATING THAT THE HOURS LIMIT FOR THE MINOR MAINTENANCE HAS BEEN REACHED - Conditions: • The hours limit must be configured with a value greater than 0. - Causes: • The hours limit for the minor maintenance has been reached. The instructions in this manual of the unit for the 3 months maintenance should be followed.
  • Page 59 8.21 TYPE 20: ALARM INDICATING THAT THE DEFROST PROCESS IS ACTIVE - Conditions: • Unit with counter flow heat exchanger. - Causes: • The ice forming inside of the plate heat exchanger is genrating a pressure drop that is too high for the current airflow. This detection requires a Modbus pressure sensor placed on the heat exchanger and that the modulation of the fans speed is based on the airflow and not on torque.
  • Page 60 8.22 TYPE 21: ALARM INDICATING COMMUNICATION ERROR FOR ONE OF THE MODBUS PRESSURE SENSOR - Conditions: • Unit with at least one configured Modbus pressure sensor. - Causes: • One or more of the Modbus pressure sensors give too much communication errors. This in turn can come from: The physical absence of one of the configured sensor.
  • Page 61 8.23 TYPE 22: ALARM INDICATING THAT THE HOURS LIMIT FOR THE MAJOR MAINTENANCE HAS BEEN REACHED - Conditions: • The hours limit must be configured with a value greater than 0. - Causes: • The hours limit for the major maintenance has been reached. The instructions in this manual for the 12 months maintenance should be followed.
  • Page 62 The product setup menu is used to enable specific features or to modify factory settings. This must be done by an accredited technician. A code and special training is mandatory to access this menu group. The table below is valid for controllers generation TAC. GLOBAL PX TOP GLOBAL LP GLOBAL PX...

  • Page 63: Parameters/Commissioning Sheet

    9.0 Parameters/Commissioning Sheet Please enter all settings specific to your installation in this table. Please keep this document at hand when there is a need to contact us to report a problem. 9.1 MAIN PARAMETERS AFTER COMMISSIONING GLOBAL model: Constant Airflow Constant Torque Operating mode: Demand control...
  • Page 64 9.2 TRACK CHANGES Enter details when the Setting of a parameter has been changed (use only one row per parameter): Setting before Setting of Date of Setting of Date of Parameter Name change change #1 change #1 change #2 change #2 Operation and maintenance instructions...
  • Page 65 Parc-industriel de Sauvenière 102 Chaussée de Tirlemont B5030 Gembloux Hereby declares that: Following product range(s): GLOBAL PX (TOP) / GLOBAL RX (TOP) / GLOBAL LP / CLASS UNIT / MURAL Complies with the requirements of Machinery Directive 2006/42/EC (LVD included)
  • Page 66 Version: 20210503 We reserve the right for changes.

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