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Operation and maintenance instructions

- 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).
- Effects:

8.16 TYPE 15 BIS: ALARM INDICATING THAT THE COMFORT T° IS TOO HIGH

RELATIVE TO SETPOINT T°

TAC control board

ALARM OUTPUT

AL dPa OUTPUT

LED ALARM

Fans

Auto reset: yes

Displayed on HMI TACtouch

Code

Text displayed

Level

S.60

Post-cooling - T° of the supply air too high

Содержание GLOBAL LP

Страница 1: ...GLOBAL PX GLOBAL RX TOP GLOBAL LP GLOBAL RX Operation and maintenance instructions GLOBAL PX RX LP Applicable to program versions TAC6 Version 1 0 0 5...

Страница 2: ...2 Operation and maintenance instructions...

Страница 3: ...ls and abbreviations 3 0 Product Overview 4 0 Wiring Overview 5 0 Functions 6 0 Commissioning 6 1 Commissioning with Touchscreen interface 7 0 Preventive maintenance 8 0 Troubleshooting 9 0 Parameters...

Страница 4: ...ical Yes electrical or water Right Forward GLOBAL PX TOP Counterflow 05 08 10 12 14 18 Yes electrical Yes electrical or water Left Right Backward GLOBAL RX Rotary 05 08 10 12 13 14 16 18 20 24 26 No Y...

Страница 5: ...allation in order to avoid condensation inside of the unit Check that there are no foreign objects in unit ducting system or functional sections The unit is packed to prevent damage of the external an...

Страница 6: ...boards at cor ners only and use antistatic gloves Must be connected by a qualified Electrician Warning Hazardous voltage OUTDOOR AIR Air from outdoor to the AHU OA SUPPLY AIR Air from the AHU to the...

Страница 7: ...IEW 3 0 Product Overview RIGHT HAND UNIT SUPPLY AIR TO THE RIGHT LEFT HAND UNIT SUPPLY AIR TO THE LEFT GLOBAL RX GLOBAL RX GLOBAL RX TOP GLOBAL RX TOP GLOBAL PX GLOBAL PX OA OA OA OA OA SA SA SA SA SA...

Страница 8: ...ordingly 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 RIGHT HAND...

Страница 9: ...TO THE RIGHT LEFT HAND UNIT SUPPLY AIR TO THE LEFT 9 Operation and maintenance instructions GLOBAL PX TOP 05 10 GLOBAL PX TOP 12 18 GLOBAL PX TOP 05 10 ETA GLOBAL PX TOP 12 18 OA ETA EHA OA OA OA SA S...

Страница 10: ...al post heating water or electrical coil accessory 14 Motorized damper at outdoor air side accessory 15 Motorized damper at exhaust air side accessory 17 Flexible connection accessory 18 Slip Clamps a...

Страница 11: ...860 m h 515 l s 995 1680 1465 410 12 2300 m h 640 l s 1182 1680 1465 420 13 2530 m h 700 l s 1182 1680 1465 420 14 3000 m h 830 l s 1382 1680 1465 480 16 3230 m h 895 l s 1640 1680 1465 520 18 4200 m...

Страница 12: ...0 1020 1382 1960 1725 670 COMPONENTS GLOBAL PX TOP AIR VOLUMES AND DIMENSIONS GLOBAL PX TOP 3 1 1 8 5 6 7 4 2 9 11 10 1 EC Plug fan w composite fan blades aluminium blades optional 2 Fresh air filter...

Страница 13: ...l accessory 14 Motorized damper at outdoor air side accessory 15 Motorized damper at exhaust air side accessory 16 Access panel 17 Flexible connection accessory 18 Slip Clamps accessory 19 Water conne...

Страница 14: ...1100 350 125 06 1000 m h 280 l s 2100 1050 435 195 08 1420 m h 395 l s 2100 1300 435 230 10 1800 m h 500 l s 2180 1600 435 285 12 2200 m h 610 l s 2350 1700 510 335 13 2550 m h 705 l s 2350 1700 510 3...

Страница 15: ...L RX TOP GLOBAL RX 1 2 3 4 5 6 6 7 8 9 13 15 14 17 17 18 18 19 COMPONENTS GLOBAL RX 1 Main power switch 2 Main power switch for electrical coils both internal pre hating and post heating 3 Wiring box...

Страница 16: ...0 m h 850 l s 1182 1680 1465 425 16 3140 m h 870 l s 1182 1680 1465 430 GLOBAL RX Rotary 05 1160 m h 320 l s 815 1530 1315 305 08 1680 m h 465 l s 815 1530 1315 310 10 1750 m h 485 l s 885 1680 1465 3...

Страница 17: ...K1 DO8 COOL OUTPUT open collector Vmax 24 VDC Imax 0 1 A Demand Pressure control START STOP DO9 ALARM OUTPUT open collector Vmax 24 VDC Imax 0 1 A Torque MODE torque K1 DO10 AL dPA OUTPUT open collec...

Страница 18: ...output for alarm indication figure 3 for DO10pressure alarm indication Same principle for DO8 and DO11 Fig 3 Fig 2 Fig 1 4 2 PRESSURE SWITCHES In application where pressure switches are used follow fi...

Страница 19: ...ircuit see Fig 5 Attention The SAT IO must be plugged in before the circuit is powered SAT must be plugged in correctly wrong positioning can damage both circuits permanently Wiring The terminals of t...

Страница 20: ...D PWM CONTROLLED EBA external hydraulic evaporation condensation coil CID522129 COOLING REVERSIBLE HEATING M 3 WAYS VALVE SERVOMOTOR M 3 WAYS VALVE SERVOMOTOR T8 TEMPERATURE SENSOR FOR THE FROST PROTE...

Страница 21: ...lts in higher power consumption and may also cause discomfort in the form of noise There are three airflow setpoints to be configured by the user m h K1 m h K2 m h K3 2 Torque control 3 torque setpoin...

Страница 22: ...ng STARTS if the following conditions are TRUE These Settings can be configured in ADVANCED SETUP Free cooling STOPS if one of the following conditions is TRUE Extract Air Temperature The default temp...

Страница 23: ...gured and the setpoint will determine if heating or cooling is automatically activated When the unit is equipped with reversible coil or with both a cooling and a heating coil only one setpoint has to...

Страница 24: ...ects when the pressure drop due to frost has become too high In critical conditions the supply air flow will be paused for a short time to allow for defrosting The frost protection strategy down regul...

Страница 25: ...all modes boost level Heating setpoint if postheater is present Cooling setpoint if postcooler is present For each time slot select 5 6 TIME SCHEDULE The controller allows 6 time slots channels to be...

Страница 26: ...raphic monitoring system where the screens are designed to be intuitive and complete ensuring a userfriendly experience 4 positions switch COM4 CID010007 The most basic interface to control a GLOBAL a...

Страница 27: ...h also advanced parameter for master selection contacts K1 K2 K3 master see point 6 1 4 set no only if the AHU is to be controlled with TACtouch control screen rather than with electrical contacts see...

Страница 28: ...current alarms By clicking on this field more detailed information about the different alarms is available Menu Accessing the main menu see section 6 1 2 Flow Chart The flow chart is not editable by t...

Страница 29: ...e displayed on the main screen of the HMI Active alarms can be viewed in this menu All the alarms can be reset A fault can be traced by examining the function or functional component indicated in the...

Страница 30: ...uration of service related settings A maintenance warning interval can be configured as well as the filter clogging alarm Settings Advanced setup A code and a special training are desired for access t...

Страница 31: ...ctory setting Language Languages as displayed English LANGUAGE UNITS AIRFLOW REGULATION TEMPERATURE FIRE ALARM BASIC SETUP Units The desired unit can be set here The unit setting can be changed at any...

Страница 32: ...ty sensor The function can be config ured with a positive or a negative logic A ratio between exhaust and supply pressure can be configured in order to create over under or balanced pressure The desir...

Страница 33: ...ly closed Supply airflow 0 max Extract airflow 0 max Periodic maintenance Built in timer for maintenance warning if the maintenance interval is exceeded a maintenance reminder will be displayed Settin...

Страница 34: ...een selected in basic setup With this function a separate 0 10V control signal for the extract air can be activated The control signal is connected to the ana logue input K3 Setting Settings range Fac...

Страница 35: ...e premises Extract air involves keeping a constant temperature in the extract air duct premises by modulating the supply air tem perature The reactIon speed of capacity control signal can be modified...

Страница 36: ...Supply Extract airflow 0 max Boost activation on Contact RH Contact RH on off 0 100 60 40 Vmin max RH on K3 0 10V 2 0V 9 5V RH Vmin max 0 100 2 95 Post ventilation The post ventilation function is use...

Страница 37: ...ry setting Setpoint 9 9 99 9 C 1 0 C PID Proportional Band 0 100 5 PID Integral 0 100 30 PID Derivate 0 100 11 Electrical postheating coil The electrical postheating coil is installed and configured i...

Страница 38: ...onfigured in factory Both the coil and the 3 way valve will have to be installed and wired on site The capacity of the coil will be controlled proportionally in order to keep a temperature as defined...

Страница 39: ...T 6 28 C 22 0 C Supply airflow l s m h Extract airflow l s m h Bypass control Frost protection Freecooling Frost protection free cooling Freecooling Frost protection Frost protection plate heat excha...

Страница 40: ...a CSV format file named TAClog Modbus configuration The MODBUS RTU communication requires an additional satellite circuit CID025006 which is used as commu nication interface The communication protoco...

Страница 41: ...clogging The control device allows a pre defined filter alarm threshold to be set Replace filters if necessary Filters that are too clogged can generate the following problems Insufficient ventilation...

Страница 42: ...ircuit board The bypass is now open regardless of the temperature conditions Remember to remove the jumper between terminals IN3 and 12V once cleaning of bypass is done Always clean against the direct...

Страница 43: ...evel 3 severe alarm level 2 warning information symbol for level 1 and 0 information Lowest 0 level alarms may be hidden thanks to the parameter Hide low level alarms in Settings TACtouch setup Activa...

Страница 44: ...Fans Alarm Status ON Run Auto reset yes 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 t...

Страница 45: ...zone of the fan by reducing the pressure system modifying the nominal airflow and restart the setup operation If this occurs during initializing of the assignment pressure in pressure control mode Cor...

Страница 46: ...Code Text displayed Level S 11 Constant Pressure fan 1 Measured pressure too high Minimum air flow reached 2 S 12 Constant Pressure fan 1 Measured pressure too low Maximum air flow reached 2 S 13 Cons...

Страница 47: ...by default in the event of a fire alarm at the configured fixed airflows in the advanced setup The fans may be forced to stop in case of fire alarm thanks to contact IN7 and IN8 for supply and exhaus...

Страница 48: ...old STOP FAN the fan operating time in hours has exceeded the configurable threshold This alarm stops the fans Effects 8 7 TYPE 7 MAINTENANCE ALARM Displayed on HMI TACtouch Code Text displayed Level...

Страница 49: ...opened and the circulator contact is closed Effects 8 8 TYPE 9 ALARM INDICATING A T SENSOR T1 T2 T3 T4 FAILURE 8 9 TYPE 10 ALARM INDICATING FAILURE ON T SENSOR T7 TAC control board ALARM OUTPUT AL dP...

Страница 50: ...ted to the TAC circuit is open or short circuited This sensor is used to regulate the post heating or post cooling function in the case of comfort T control on T5 or to control the high and low thresh...

Страница 51: ...ring 15 minutes or 30 minutes if comfort on T2 instead of T5 while post heating is at maximum Effects 8 12 TYPE 12 ALARM INDICATING THAT THE COMFORT T IS TOO LOW RELATIVE TO SETPOINT T TAC control boa...

Страница 52: ...If T assignment T 1 5 C for more than 5 minutes supply and exhaust airflow reduction of 33 if airflow control or demand control and of 25 if pressure control mode for 15 minutes For RX units When out...

Страница 53: ...at the exchanger output T3 sensor has not exceeded 1 C during 15 minutes after that the bypass has been opened at 100 Effects 8 14 TYPE 14 ALARM INDICATING FROST PROTECTION ALERT FANS STOPPED T TAC c...

Страница 54: ...the rotor in front of magnetic switch Otherwise open 5 1 If not check directly the impedance at the sensor output if 0 Ohm when magnet in front and infinite when far then the sensor is correct and th...

Страница 55: ...g 15 minutes or 30 minutes if comfort on T2 instead of T5 while post cooling is at maximum Effects 8 16 TYPE 15 BIS ALARM INDICATING THAT THE COMFORT T IS TOO HIGH RELATIVE TO SETPOINT T TAC control b...

Страница 56: ...running the alarm is sent after 2 minutes for a preheating coil and immediately for the others if the AHU is not running the alarm is sent after 5 minutes Effects 8 17 TYPE 16 ALARM INDICATING THAT T...

Страница 57: ...D ALARM Fans Alarm Status ON Stopped Manual reset mandatory Displayed on HMI TACtouch Code Text displayed Level B 20 Position of the modulating bypass incorrect 3 Diagnostic Stop the unit do an alarm...

Страница 58: ...wed Mainly the filters should be cleaned or replaced Reset the hours for minor maintenance after this operation this will reset automatically the alarm and give it again after the same period Effects...

Страница 59: ...and that the modulation of the fans speed is based on the airflow and not on torque When the previous detection is not available the supply T is checked and if it falls below 11 C it is considered th...

Страница 60: ...r itself that is damaged Wiring is in chain from connector RJ3 or RJ4 for sensors 1 kit CA supply 2 kit CA exhaust and C defrost from connector RJ2 for sensor 5 CP mode supply and 6 CP mode exhaust Se...

Страница 61: ...owed Reset the hours for major maintenance after this operation this will reset automatically the alarm and give it again after the same period Reset also minor maintenance hours Effects 8 23 TYPE 22...

Страница 62: ...18 886516 GLOBAL PX Aluminium 05 885524 06 885546 08 885526 10 885528 12 885530 13 885532 14 885534 16 885536 18 885544 20 885538 24 885540 26 885542 GLOBAL PX Composite 05 885500 06 885522 08 885502...

Страница 63: ...Constant Torque O Constant pressure 3 Constant Airflow K1 O m h O l s K2 O m h O l s K3 O m h O l s 4 Constant Torque K1 Torque K2 Torque K3 Torque 5 Demand control Vmin V Vmax V m h TQ Vmin O m h O...

Страница 64: ...tructions Enter details when the Setting of a parameter has been changed use only one row per parameter 9 2 TRACK CHANGES Parameter Name Setting before change Setting of change 1 Date of change 1 Sett...

Страница 65: ...P CLASS UNIT MURAL Complies with the requirements of Machinery Directive 2006 42 EC LVD included Complies also with applicable requirements of the following EC directives 2014 30 EU EMC 2009 125 EC Ec...

Страница 66: ...Version 20210503 We reserve the right for changes...

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