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10670
01 - 2025
Instructions manual

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Summary of Contents for CIAT VECTIOS PJ VECTIOS RPJ Series

  • Page 1 10670 01 - 2025 Instructions manual...
  • Page 3: Table Of Contents

    CONTENTS 1 - INTRODUCTION ......................................5 2 - SAFETY ADVISE ......................................5 2.1. General safety advise ....................................5 2.2. Safety standards for refrigerant ................................6 3 - POSSIBLE TYPES OF ASSEMBLIES.................................7 4 - TRANSPORT .........................................9 4.1 Transport ........................................9 4.2 Receipt of goods ......................................9 4.3 Unit identification .......................................9 5 - HANDLING ........................................9 6 - OPERATION LIMITS ....................................12 7 - POSITIONING AND INSTALLATION .................................12...
  • Page 5: Introduction

    1 - INTRODUCTION The VECTIOS range consist of autonomous and compact air-air additional elements or equipment, pipes, cables, etc. taking no floor units of horizontal design, rooftop type. space at all. This design reduces the cost of installation, facilitates a quick connection and ensures reliable operation.
  • Page 6: Safety Standards For Refrigerant

    2 - SAFETY ADVISE Important: These units are prepared to withstand a maximum available release from a relief valve, can cause frostbites and burns to personnel pressure of 800 Pa. If there is a higher pressure, deformation, breakage, exposed. Do not ignore such injuries. Installers, owners and especially etc., may occur.
  • Page 7: Possible Types Of Assemblies

    3 - POSSIBLE TYPES OF ASSEMBLIES Depending on the indoor airflow direction “Cross Flow” assemblies (all models): R-410A and R-454B C0 assembly CS assembly CF assembly Standard 2 dampers mixing box: 100% fresh air fresh air damper interlocked with return damper I’’...
  • Page 8 3 - POSSIBLE TYPES OF ASSEMBLIES Depending on the indoor airflow direction “Tunnel Flow” assemblies (models 0200 to 0240): R-410A only T0 assembly, Direction 0 TS assembly, Direction 0 TW assembly, Direction 0 Standard in Tunnel Flow 2 dampers mixing box: Lower return plug-fan + Rotary heat fresh air damper interlocked with return exchanger (passive recovery)
  • Page 9: Transport

    4 - TRANSPORT 4.1 Transport Name plate All units bear, legibly and indelibly, a name plate located in a prime Caution: If the unit contains refrigerant R-454B (A2L fluid) space, as appears in the attached image. specific transport safety standards must be complied with: ●...
  • Page 10 5 - HANDLING Discharge via forklift truck then, set down it carefully on the floor. Finally, remove the fixing pieces The unit is designed to be transported safely by using a forklift truck. The from the lower unit by unscrewing the rest of the screws. base features guide rails to accommodate the forks of the fork-lift truck.
  • Page 11 5 - HANDLING Important: all rigging points must be used Important: The centre of gravity is not necessarily in the middle of the unit and the forces applied to the slings are not always identical. Please consult the weight and the centre of gravity of each model stated in paragraph 7.6. Configurations 1, 2, 3, 4, 6 and 7 3000 See detail A...
  • Page 12: Operation Limits

    6 - OPERATION LIMITS Cooling Heating Inlet air conditions Minimum 9,7ºC WB 10ºC À If the condensation pressure control (standard) is disabled, the Indoor coil Maximum 24ºC WB 27ºC minimum temperature will be 12ºC. . Minimum When the outdoor temperature is usually below 5ºC WB it is -10ºC À...
  • Page 13: Sound Level

    7 - POSITIONING AND INSTALLATION This indication is only here to help our customer to identify the limits Sound power level (LW) of the flammability risk. 0090 0120 0140 0160 0180 0190 0200 But there is no risk of explosion linked to the used of A2L refrigerant 63 Hz 58,2 63,8...
  • Page 14: Antivibrators Assembly (Silent-Blocks)

    7 - POSITIONING AND INSTALLATION In the event of assembling directly on silent-blocks to the ground, it is Preparation of the ground recommended that a template of the unit’s footprint with the anchoring It is necessary to ensure that the surface where the unit is going to points of the silent-blocks be made, as described in the paragraph be installed in completely flat.
  • Page 15: Pre-Assembly Roof Curb (Optional)

    7 - POSITIONING AND INSTALLATION 7.4 Pre-assembly roof curb (optional) The “Cross flow” assemblies can rest on standardised pre-assembly roof curbs with adjustable height, built in galvanised steel panelling with polyester paint and thermal insulation. The levelling system uses angle pieces that allow adjustments in the X and Y axes. As a result, the unit will be perfectly levelled on a sloping roof. Caution: it is strictly forbidden to stand on the roof curb Condensate evacuation...
  • Page 16: Installation On The Roof

    7 - POSITIONING AND INSTALLATION Handling It is mandatory to use all required PPE for work at height. For transport and lifting up to the roof using a crane, a rocker arm as well as approved slings, both suitable for the dimensions and weight Place the roof curb on the joists and check that it has been positioned of the roof curb, must be used.
  • Page 17 7 - POSITIONING AND INSTALLATION The next step will be to check the leveling of the roof curb. Then, the adjustable angle pieces must be fixed with 4.8 hexagonal self-drilling screws (supplied from the factory) or by means of electric The roof curb is shipped from the factory with its minimum height.
  • Page 18 7 - POSITIONING AND INSTALLATION When the installation of the roof curb is finished, the steel pan must be The following table shows the range of values for dimension “A” that insulated again. It is also necessary to completely seal the roof curb to depends on the inclination of the roof curb: ensure tightness and prevent water from entering the building.
  • Page 19 7 - POSITIONING AND INSTALLATION Important: All roof curb are supplied with a return safety grille intended Air ducts connections for plenum installations. For installations with ducted return, the grille For units with vertical airflow, the ducts must be connected to the profiles must be removed prior to place the machine on the roof curb.
  • Page 20: Centres Of Gravity, Weight And Reactions In The Supports

    7 - POSITIONING AND INSTALLATION 7.5 Centres of gravity, weight and reactions in the supports: RPJ series (Cross flow) C0 assembly Centre of gravity (mm) Weight Reactions in the supports (kg) (kg) 1.083 0090 1.066 0120 1.048 0140 1.050 0160 1.049 0180 1.049...
  • Page 21 7 - POSITIONING AND INSTALLATION 7.5 Centres of gravity, weight and reactions in the supports: RPJ series (Cross flow) C0 assembly Centre of gravity (mm) Weight Reactions in the supports (kg) (kg) 1.377 1.046 0200 1.377 1.046 0220 1.369 1.040 0240 CS and CF assemblies Centre of gravity (mm) Weight...
  • Page 22 7 - POSITIONING AND INSTALLATION 7.5 Centres of gravity, weight and reactions in the supports: RPJ series (Cross flow) C0 assembly Centre of gravity (mm) Weight Reactions in the supports (kg) (kg) 1.628 1.054 1.035 0280 1.628 1.054 1.059 0320 1.644 1.055 1.057...
  • Page 23 7 - POSITIONING AND INSTALLATION 7.5 Centres of gravity, weight and reactions in the supports: RPJ series (Tunnel flow) T0 assembly Centre of gravity (mm) Weight Reactions in the supports (kg) (kg) 1.402 1.104 0200 1.399 1.107 0220 1.393 1.103 0240 1.607 1.106...
  • Page 24 7 - POSITIONING AND INSTALLATION 7.5 Centres of gravity, weight and reactions in the supports: IPJ series (Cross flow) C0 assembly Centre of gravity (mm) Weight Reactions in the supports (kg) (kg) 1.083 0090 1.066 0120 1.048 0140 1.050 0160 1.049 0180 1.049...
  • Page 25 7 - POSITIONING AND INSTALLATION 7.5 Centres of gravity, weight and reactions in the supports: IPJ series (Cross flow) C0 assembly Centre of gravity (mm) Weight Reactions in the supports (kg) (kg) 1.377 1.046 0200 1.377 1.046 0220 1.369 1.040 1.004 0240 CS and CF assemblies...
  • Page 26 7 - POSITIONING AND INSTALLATION 7.5 Centres of gravity, weight and reactions in the supports: IPJ series (Cross flow) C0 assembly Centre of gravity (mm) Weight Reactions in the supports (kg) (kg) 1.628 1.054 1.146 0280 1.628 1.054 1.146 0320 1.644 1.055 1.135...
  • Page 27 7 - POSITIONING AND INSTALLATION 7.5 Centres of gravity, weight and reactions in the supports: IPJ series (Tunnel flow) T0 assembly Centre of gravity (mm) Weight Reactions in the supports (kg) (kg) 1.402 1.104 1.044 0200 1.399 1.107 1.050 0220 1.393 1.103 1.062...
  • Page 28: Recommended Service Clearance

    7 - POSITIONING AND INSTALLATION 7.6 Recommended service clearance Important: This is the minimum space required for maintenance operations and access inside the unit. Depending on the assembly selected for the unit and the characteristics of the installation site, a larger space around it may be required to ensure proper air circulation and therefore the correct operation of the unit.
  • Page 29 7 - POSITIONING AND INSTALLATION 7.6 Recommended service clearance Important: This is the minimum space required for maintenance operations and access inside the unit. Depending on the assembly selected for the unit and the characteristics of the installation site, a larger space around it may be required to ensure proper air circulation and therefore the correct operation of the unit.
  • Page 30: Electrical Connection

    8 - ELECTRICAL CONNECTION 8.1 Installation norms Important: Short-circuit current: 10 kA according to IEC/EN 60947-2. ● The distance between the unit and its power source. Important: All connections in the site are the responsibility of the installer. These connections are always made as per ●...
  • Page 31: Vectic Electronic Control

    8 - ELECTRICAL CONNECTION 8.5 Vectic electronic control These latches of stainless steel have triangular insert 8 mm (supplied wrench). The closing is done by rotating 90º Vectic electronic control is basically comprised of a control board, (anti-clockwise): it brings the latch to the locked position. sensors, a VecticGD graphic terminal and a TCO user terminal (optional).
  • Page 32 8 - ELECTRICAL CONNECTION ● Secure supervisor control from remote through a simple browser. C.FIELD web tool ● Introduces Bacnet protocol (MSTP and TCP/IP) along with Modbus The µPC3 control board includes a web tool for managing the operation protocols (MSTP and TCP/IP) of the unit.
  • Page 33: Customer Connection

    8 - ELECTRICAL CONNECTION 8.6 Customer connection ABOUND HVAC Performance supervision solution ABOUND HVAC Performance is a remote supervision solution dedicated to monitoring and controlling several CIAT machines in real time. Its main advantages are: ● Improved energy performance. European regulations encourage buildings to install control and supervision systems to achieve the 2030 energy efficiency target of ≥...
  • Page 34: Location Of Sensors On The Machine

    8 - ELECTRICAL CONNECTION 8.7 Location of sensors on the machine - This probe must be fastened to the panel or the wall of the room to be conditioned, at ca. 1.5 m height. Unit 1 circuit Electrical connection ● Make the electrical connection according to the unit configuration: Outdoor temperature probe Outdoor fan - NTC Probe S5a: B5 (connector...
  • Page 35 8 - ELECTRICAL CONNECTION - In the radiation range of heat sources and lighting bodies e.g. Humidity probe position spotlights. - In areas exposed to direct solar radiation. Duct-mounted This version can be connected to the air duct in these two ways: ±0.3 3.54 “...
  • Page 36: Fans And Air Ducts

    9 - FANS AND AIR DUCTS 9.1 Checks in the axial fans 9.2 Checks in the EC plug-fans ● Before commissioning, check the blade rotation direction and that ● Before commissioning, check the blade rotation direction and that the axis turns without strokes nor vibrations. the axis turns without strokes nor vibrations.
  • Page 37: Air Ducts Connections

    9 - FANS AND AIR DUCTS Pulley and belt calibration ● At the centre of the centre distance “e”, apply a force “f”, as determined in the table below, to each belt. Set the belt tension to Attention: Before performing these operations, it is necessary obtain the calculated deflection “Ea”.
  • Page 38: Condensate Drain

    10 - CONDENSATE DRAIN These units are equipped with a condensate drainage pan in the indoor Important: the water drain pipe must be CONNECT SIPHON circuit, with a 1/2” M gas threaded plastic drain connection. provided with a siphon to avoid bad smell METTRE SIPHON and water spills.
  • Page 39: Safety Elements

    11 - SAFETY ELEMENTS High pressure switch Safeties at the compressors Connected to the compressor discharge, it will stop its operation when ● These units have a klixon switch on the compressor discharge which the pressure at that point reaches the setpoint. It is automatically stops the operation of the motor when there is excessive heating.
  • Page 40 11 - SAFETY ELEMENTS Refrigerant leak control Anti-fire safety Possible refrigerant leakage in case of low pressure alarm. Although The electronic control can activate an anti-fire safety device that sometimes the alarm has other reasons, the control allows to detect detains the unit when the return air surpasses a temperature of 60°C possible leakage, improving the protection of the environment.
  • Page 41: Factory Options And Accessories

    12 - FACTORY OPTIONS AND ACCESSORIES 12.1 Dampers hoods Self-tapping hex screws Depending on the assembly chosen, the fresh air and exhaust air damper hoods are supplied folded down, to be fitted on site by the installer. Caution: the detachment of the hood due to wrong implementation of the above steps may cause personal injury and property damage.
  • Page 42: Fresh Air Housing (Ck, Ca, Cp, Cr, Cw And Tw Assemblies)

    12 - FACTORY OPTIONS AND ACCESSORIES The following image shows the stop-drop placed: Important: Silicone should be applied to the joining area of the the fresh air housing with the machine, to prevent water entry and ensure tightness. All the screws required for this assembly are supplied in a bag. 12.3 Fresh air housing (CK, CA, CP, CR, CW and TW assemblies) Lower tab...
  • Page 43: Passive Recovery (Cw And Tw Assemblies)

    12 - FACTORY OPTIONS AND ACCESSORIES 12.4 Passive recovery (CW and TW assemblies) ● First, the fresh air housing (1) is connected. Follow the steps detailed Transport and handling in paragraph 12.3. The module with the rotary heat exchanger and its support bed are ●...
  • Page 44 12 - FACTORY OPTIONS AND ACCESSORIES ● For transport and lifting up to the roof using a crane, a rocker arm as Initial location of the cables for connection: well as approved slings must be used. These slings will be hooked PJ unit Return fans Recovery...
  • Page 45: Enclosure For Lower Return (Models 0200 To 0240 With Ts Assembly)

    12 - FACTORY OPTIONS AND ACCESSORIES 12.5 Enclosure for lower return (models 0200 to 0240 with TS assembly) Models 0200 to 0240 with TS assembly are supplied factory-set with All these parts are fitted to the unit using 4.8 self-tapping hex screws. a lateral air return.
  • Page 46: Hot Water Coil

    12 - FACTORY OPTIONS AND ACCESSORIES 12.7 Hot water coil The access panel to the filters incorporates dual locks, they can function as hinges or can be used to remove the panel. ● Hot water coil with a three-way valve managed by the electronic Note: Check that the locks are not blocked.
  • Page 47 12 - FACTORY OPTIONS AND ACCESSORIES ● The pump of the water circuit has to be activated whenever the 3-way “Cross flow” assemblies valve is switched on. ● It is the installer’s responsibility to connect the pump to the electronic control, except with the factory-installed GREAT COLD option.
  • Page 48: Heat Recovery Coil

    12 - FACTORY OPTIONS AND ACCESSORIES 12.8 Heat recovery coil This option is compatible with C0, CS, CF, CQ, CT, T0 and TS Note: see the wiring diagram included with the unit for a more detailed assemblies. information about the wiring. ●...
  • Page 49: Electrical Heaters

    12 - FACTORY OPTIONS AND ACCESSORIES 12.9 Electrical heaters ● The auxiliary electrical heaters are ready for operation in two power stages. This heaters are managed by the electronic control of the unit that can activate them in the following cases: - As a backup in HEATING mode, following the input of all the available compressors.
  • Page 50: Preheater Module

    12 - FACTORY OPTIONS AND ACCESSORIES 12.11 Preheater module With CF assembly, 100% fresh air, it is possible to incorporate a preheater module (electrical heater) coupled to the fresh air intake. This module is supplied in kit for installation on site. Electronic control manages this electrical heater with proportional control.
  • Page 51: Gas Burner

    12 - FACTORY OPTIONS AND ACCESSORIES 12.12 Gas burner levels, as well as high thermal and mechanical resistance. Natural or propane gas burner with modulating actuator, in accordance with the Gas Directive 2009/142/EC, installed inside a pre-assembly ● The PCH heater is a modulating type; the thermal power output and, roof curb.
  • Page 52 12 - FACTORY OPTIONS AND ACCESSORIES Attention: In compliance with the requirements of the Gas ● Maintenance Directive 90/396 EEC it is strictly prohibited to alter the burner Maintenance operations and combustion inspections must be or the electronic control unit. carried out in compliance with current standards.
  • Page 53: Transport And Installation

    12 - FACTORY OPTIONS AND ACCESSORIES The following image shows the location of the connection box “BOX8- Transport and installation QUE”. Follow the recommendations given in section 7.4 which details how to handle and fit the adjustable roffcurb, and how to fit the PJ unit onto this roffcurb.
  • Page 54: Terminal Configuration

    12 - FACTORY OPTIONS AND ACCESSORIES Connections at the flue ● Type C13 Important: The flue of the gas burner is not supplied with the unit. Its design and installation is the responsibility of Sealed combustion circuit (type “C”) connected to a horizontal the installer and must comply with all the directives and terminal on the wall by means of its own ducting.
  • Page 55: Gas Connection

    12 - FACTORY OPTIONS AND ACCESSORIES Gas connection Use the gas line connections only with EC certified components. Important: For a correct maintenance, connect the PCH module by means of a seal and swivel gasket. Avoid using threaded connected The PCH module is supplied complete with a dual gas valve, gas directly on the gas connection.
  • Page 56 12 - FACTORY OPTIONS AND ACCESSORIES ● replace the pilot nozzle (natural gas) with the one in the kit (LPG); Country table - gas category: ● restore power supply and set the heater up for ignition; Country Category Pressure Pressure ●...
  • Page 57: Analysis Of Combustion

    12 - FACTORY OPTIONS AND ACCESSORIES After detecting the pilot flame, the equipment opens the main gas Analysis of combustion valve EV2 [C] to supply gas to the main burner. Wait until the heater is switched on. Check that the heater is running at After a time of dual functioning of the two burners (pilot and main), maximum power by using one of the two methods below: the modulation PCB removes gas from the EVP valve and turns off...
  • Page 58 12 - FACTORY OPTIONS AND ACCESSORIES ● Fxx faults: ● Burner control: The modulation PCB can distinguish between 30 different types of The gas burner integrates its own CPU-SMART PCB board that faults. This ensures accurate diagnostics. Also, codes and possible manages the operation and the safety devices.
  • Page 59 12 - FACTORY OPTIONS AND ACCESSORIES By removing the access door to the inside of the burner, the CPU- - Viewing the burner status: SMART PCB can be seen : The machine status is shown on the display by the following wordings: rdy: the machine is on without burner flame;...
  • Page 60 Entering the second password grants access to third level. This sent the ignition signal to contact start up password must be requested directly to CIAT technical service. the equipment. After 300 closing seconds, the equipment TER equipment broken...
  • Page 61: Cooling Recovery Circuit (Cr And Ct Assemblies)

    12 - FACTORY OPTIONS AND ACCESSORIES 12.13 Cooling recovery circuit (CR and CT assemblies) Thermodynamic circuit dedicated to the recovery of the extracted air Models of 2 circuits (IPJ - 0200 to 0400) energy, with independent and proportional control, adapted to the air renewal requirements in order to raise the COP and EER of the unit.
  • Page 62: Zoning Of The Air Flow

    12 - FACTORY OPTIONS AND ACCESSORIES 12.14 Zoning of the air flow Zoning box connections This option allows the management of the air flow of the unit to condition up to 4 different zones with a minimum air flow of 35% (all of them in The control board of the air zoning is assembled in a separate box same operating mode: heating or cooling).
  • Page 63: Commissioning

    13 - COMMISSIONING 13.1 Checks prior to commissioning Models of 1 circuit: ● It is advisable to make a complete sketch of the installation including Fan cover lifted (*) the location of the unit and all the components used. This will be very helpful for maintenance and repairs to the installation.
  • Page 64: Possible Problems At Commissioning

    13 - COMMISSIONING flow, an incorrect siphon installation or because a defective unit level. Control of the refrigerant charge ● Refrigerant circuit humidity problem, because of an incorrect vacuum ● Each unit is shipped with an exact charge of refrigerant for proper realization.
  • Page 65: Maintenance

    14 - MAINTENANCE 14.1 General recommendations To ensure optimal efficiency and reliability of the equipment and all its Level 2 maintenance functions, we recommend taking out a maintenance contract with the This level requires specific expertise in electrical, cooling and local organisation set up by your manufacturer.
  • Page 66: Level 3 Maintenance

    14 - MAINTENANCE ● Place the new compressor and check that it has a sufficient oil charge. Level 3 maintenance Warning: when tightening the compressor screws, please consult Maintenance at this level requires specific skills, qualifications, tools the maximum torque that can be applied. and expertise.
  • Page 67 14 - MAINTENANCE R-454B R-410A Main circuits: Main circuits: 0090 0120 0140 0160 0180 0190 0090 0120 0140 0160 0180 0190 Charge Volume (l) C1: 2,5 C1: 2,5 C1: 2,5 C1: 3,4 C1: 3,4 C1: 3,4 C1: 7,3 C1: 7,6 C1: 9,7 C1: 9,7 C1: 10,0...
  • Page 68 14 - MAINTENANCE This detector integrates, in a single assembly, housing R-454B + electronics + sensor. It is divided into two parts, for easy inspection and sensor replacement. Main circuits: This detector is installed on a panel next to the supply 0090 0120 0140...
  • Page 69 14 - MAINTENANCE R-410A refrigerant leak detector (optional) Air coil The gas detector sensor is a device that ● Check that the coil is free from dust and grease. signals leaks in refrigerant. This sensor is ● Cleaning the accumulated dust on the coil can be performed using installed next to the supply fan.
  • Page 70 14 - MAINTENANCE Air filters Air filters in the recovery module ● Depending on the installation conditions, the filter aspect must be ● The inside of the heat recovery unit module is accessed via the left- examined to define the cleaning or replacing periodicity. Spare parts hand panel (front view), for maintenance tasks concerning the filters should be planned for.
  • Page 71 Air/gas ventilator in the material must be undertaken with the manufacturer’s consent; the replacement of a faulty component for another non-compliant component could present a hazard for which CIAT could not accept liability. Burner flange gasket To keep the machine efficient and guarantee a long lifetime of the heater,...
  • Page 72 14 - MAINTENANCE 7) Inspection of flame monitoring equipment 1) Inspection of electrodes Dismantle the complete pilot flame and use a jet of compressed air With the heater operating, close the gas tap and verify that the to clean the mesh and nozzle. Check the integrity of the ceramic machine faults, signalled on the LCD display with code F10.
  • Page 73: Control And Analysis Of Breakdowns

    15 - CONTROL AND ANALYSIS OF BREAKDOWNS Symptom Cause Solution Evaporation pressure very high a) Charge excess a) Collect refrigerant in relation with the air inlet b) High air temperature b) Verify overheating c) Compressor suction not air tight c) Verify compressor state and replace d) Cycle reversing valve in middle position d) Check that the valve is not clogged.
  • Page 74: Final Shutdown

    16 - FINAL SHUTDOWN Shutting down Materials to be recovered for recycling Separate the units from their energy sources, allow them to cool then ● Steel drain them completely. ● Copper ● Aluminium ● Plastics Recommendations for disassembly ● Polyurethane foam (insulation) Use the original lifting equipment.
  • Page 76 The quality management system of this product’s assembly site has been certified in accordance with the requirements of the ISO 9001 standard (latest current version) after an assessment conducted by an authorized independent third party. The environmental management system of this product’s assembly site has been certified in accordance with the requirements of the ISO 14001 standard (latest current version) after an assessment conducted by an authorized independent third party.

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