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Summary of Contents for Arfit TTP
- Page 1 Air Handling Units Instructions Manual [EN] Quality Management System certified under Norm ISO 9001:2015 by TÜV Rheinland Portugal...
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Page 2: Table Of Contents
Table of Contents DESCRIPTION ................................1 UNIT IDENTIFICATION ............................... 1 UNIT SHIPMENT ................................. 1 INSTALLATION ................................2 LIFTING AND POSITIONING ............................2 JOINING THE SECTIONS ............................3 MAINTENANCE ................................4 MAINTENANCE ................................5 EQUIPMENTS WARRANTY ............................6 PROBLEM SOLVING ..............................7 CE DECLARATION CONFORMITY .......................... -
Page 3: Description
DESCRIPTION The components and size of the air handling units TTP are fully customizable and can be adapted to the needs of the building. All of these features, together with the Eurovent certification which has been granted to this unit ascertain its high-quality level and energy efficiency. -
Page 4: Installation
LIFTING AND POSITIONING TTP air handling are meant to be lifted from their base. The base of the units has got holes for lifting purposes in the corners of the base and throughout its perimeter. In order to lift the machine correctly, the holes along the... -
Page 5: Joining The Sections
of each module and their centre of gravity should be considered during the lifting process. Lift the unit slightly in order to check its position. The unit should be placed on top of a plane, levelled surface that supports its weight. The location where the unit will be placed should have enough space to allow the doors of its several sections to open correctly and allow access to installation and maintenance procedures in the unit. -
Page 6: Maintenance
MAINTENANCE Air treatment equipment requires periodic maintenance to properly perform the function for which they are designed. The frequency with which the maintenance is performed depends on the environmental characteristics in which the equipment is inserted and the number of hours of operation, so that the following indications is to be considered as a guide. -
Page 7: Maintenance
MAINTENANCE Electric resistance battery Operations to be carried out: Check if there are no strange parts inside the module. Check the tightness of all the screws to avoid undesirable vibrations. Check connection status, replacing cables and redoing connections if necessary. ... -
Page 8: Equipments Warranty
Equipment’s warranty The ARFIT warrants this product against all manufacturing defects for a period of 2 (TWO) years after the date of purchase. Technical assistance under warranty will only be provided upon presentation of the purchase document, which proves that the equipment is within the warranty period. -
Page 9: Problem Solving
PROBLEM SOLVING Problem Possible cause Check Possible solution Operating point different than Check the flow rate Increase a pressure drop in expected; and the pressure drop; the installation; Engine in very high consumption Excess flow; Fan speed; Reduce the rotation speed; Check the flow rate Increase a pressure drop in and the pressure drop;... -
Page 10: Ce Declaration Conformity
únicamente para el producto mencionado anteriormente sujetos al cumplimiento de las exigencias inherentes a la instalación y el uso de los bienes en cuestión. El Arfit Climatização S.A. no se hace responsable de fusión / integración de este producto con otros equipos o maquinaria que no ha sido referenciada / provista con las instrucciones. -
Page 11: Condensation Tray
CONDENSATION TRAY The condensation tray is intended to collect condensates that may arise in the sections where they are placed. The condensates outlets of the various sections where these are present must be equipped with siphons (Image 1) suitable for: ... -
Page 12: Electrical Diagrams - Ec Fans
ELECTRICAL DIAGRAMS – EC FANS One of the vital components for the correct functioning of the ARFIT brand air handling units are the fans, so, make sure that they are correctly connected according to the following diagrams (Check the fan scheme of the... - Page 13 Number Connection Function Voltage output 24 VDC–= 70 mA (Connect to terminal 1 of the ARFIT flow regulator to enable operation) Voltage output 10 VDC - Imax = 10 mA (Terminal 5 flow regulator ARFIT) Connection for control interface (terminal 3 flow regulator ARFIT)
- Page 14 RS485 interface for MODBUS, RSB, SELV White RS485 interface for MODBUS, RSA, SELV Blue GND, reference for control interface, SELV (terminal 3 flow regulator ARFIT) Voltage output 10V (Terminal 5 flow regulator ARFIT) Image 6 -Scheme EC - 6 (Image 7):...
- Page 15 Ain2 U Analogue input 0-10V, 100kΩ impedance (Terminal 4 flow regulator ARFIT) +20V Power for external devices, máx. 50mA (Connect to terminal 1 of the ARFIT flow regulator to enable operation) Ain2 I Analogue input (value definition), 4-20mA, 100kΩ impedance...
- Page 16 RS485 MODBUS RTU Status relay normally closed, opens with alarm Din1 Digital input 1 (Connect to terminal 2 of the ARFIT flow regulator to enable operation) Power for external devices, max. 10mA (terminal 5 flow regulator ARFIT) Ain1 U Analogue input 0-10V, 100kΩ impedance (Terminal 4 flow regulator ARFIT)
- Page 17 Ain2 U Analogue input 0-10V, 100kΩ impedance (Terminal 4 flow regulator ARFIT) +20V Power for external devices, max. 50mA (Connect to terminal 1 of the ARFIT flow regulator to enable operation) Ain2 I Analogue input (value definition), 4-20mA, 100kΩ impedance...
- Page 18 Control input 0 - 10V or PWM (Terminal 4 flow regulator ARFIT) 4-20mA Control input 4 - 20mA +20V Power for external devices, max. 20mA (Connect to terminal 1 of the ARFIT flow regulator to enable operation) +10V Power for external devices, max. 10mA (terminal 5 flow regulator ARFIT) Status output of the fan 0-10V, max.
- Page 19 Control input 0 - 10V or PWM (Terminal 4 flow regulator ARFIT) 4-20mA Control input 4 - 20mA +20V Power for external devices, max. 20mA (Connect to terminal 1 of the ARFIT flow regulator to enable operation) +10V Power for external devices, max. 10mA (terminal 5 flow regulator ARFIT) Status output of the fan 0-10V, max.
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Page 20: Electrical Diagrams - Ac Fans
ELECTRICAL DIAGRAMS - AC FANS One of the vital components for the correct functioning of the ARFIT brand air handling units are the fans, so, make sure that they are correctly connected according to the following diagrams: - Three-phase motors 400V (star connection – image 14) and 230V (delta connection – image 15) -
Page 21: Accessories - Cut-Off Switch
Machine Directive 2006/42/CE. Thus, ARFIT air handling units can be supplied with mounted cut-off switches. In the images presented below is illustrated the connection diagram of the cut-off switch for single-phase (Image 17) and three-phase (Image 18) fans;... -
Page 22: Accessories - Constant Flow (Ac Motors)
ACCESSORIES - CONSTANT FLOW (MOTORS AC) The constant flow accessory allows the flow to be maintained regardless of the change in the system pressure drop. The flow control is performed using a ratio of the flow of air to the pressure differential as shown in the image below for three-phase fans (Image 21). - Page 23 The regulation of the constant flow is performed in the variable-frequency drive (fans with three-phase motor), being a percentage value of the selected operating range on the differential pressure sensor. The regulation is performed as follows: Access to: MENU [FUn-] SUBMENU [PI-] CATEGORY [rPI] Enter the value of the desired setting.
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Page 24: Accessories - Constant Flow (Ec Motors)
ACCESSORIES - CONSTANT FLOW (MOTORS EC) The constant flow accessory allows the flow to be maintained regardless of the change in the system pressure drop. The operating point of the equipment is set directly on the flow controller (image 24). -Motors EC: A - Differential Pressure Sensor B - Flow Controller... - Page 25 Define the fan range and operating mode (JP1, SW2, R28, R29) Regulate SW1 (setpoint set according to the image 27) Enter the value of the desired setting. Image 27 Image 26 In the supplied equipment with the controller displayed in image 28, the alteration in the flow regulation must be performed as follows: - From the home screen, select the setting menu using the ▼...
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Page 26: Water Coil
WATER COIL The ARFIT air handling units may be supplied with a water coil for heating and/or cooling. These batteries use the flow of hot and/or cold water for heating and/or cooling. For a correct performance and to avoid damages in the coil, the following warnings must be observed: ... -
Page 27: Electric Battery
ELECTRIC BATTERY -Batteries of 2 steps: -Batteries of 3 steps -Batteries of 4 steps TP - Thermal Protection (Safety thermostat) -
Page 28: Electric Battery
ELECTRIC BATTERY -Batteries of 5 steps -Batteries of 6 steps TP - Thermal Protection (Safety thermostat) -
Page 29: Humidifier
HUMIDIFIER The ARFIT air handling units can be supplied with an humidifier, whose function is to increase the humidity of the treated air. For more information on the humidifier, refer to the specific manual of the humidifier supplied with the unit. - Page 30 (BLANK PAGE LEFT PURPOSELY)
- Page 31 (BLANK PAGE LEFT PURPOSELY)
- Page 32 R. Domingos Ferreira da Costa nº 280 - Z.I. da Maia I, Sector VIII 4475-297 Gemunde Maia T 223 797 631 E info@arfit.pt...
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