Fan coil unit operation pdf

A unit ventilator can be a wall mounted or ceiling hung cabinet, and is designed to use a fan to blow outside air across a coil, thus conditioning and ventilating the space which it is serving. Unit connection direction drain pan length static pressure coil rows unit size model letters product series air flow digit no. Installation, operation and maintenance manual for. A separate manual covers the operation and control of the unit. Our comfort series fan coils are an economical and durable counterpart to a comfort air conditioner or heat pump when theres no furnace indoors to move the air. Make sure the pan cap in the fitting door is properly seated on. They come with either multi or fixedspeed blower motors to deliver cooling or heating comfort to your home for years to come. As the name suggests air handling unit is the box type of unit that handles the room air. Installation operation maintenance basic series fan coil room conditioners horizontal concealed sizes 040080.

It allows for air conditioning of two rooms simultaneously. Fan coil unit covers a range of products and will mean different things to users, specifiers, and installers in different countries and regions, particularly in relation to product size and output capability fan coil unit falls principally into two main types. Installation instructions fan coils installation instructions. Make sure your web browser resides on the same subnet as the bas router. The heat or cool only control type utilizes a wall or unit mounted heating or cooling thermostat which cycles the water control valve to maintain space temperature. Compared to the traditional fan coil, the unit saves. Attach coil to casing flange using coil mounting screw previously removed. Room fancoil units are a factorymade assembly, consisting of a fan or fans in parallel, that provides air circulation caused by a difference in static pressure. Model fhp horizontal fan coil optional telescoping bottom. The units are super quiet because the only moving par t is the fan. With the hoa switch on the starter panel, in the h position, the system shall be energized and the system safety devices shall protect the circuit. The air handling units are very important parts of the central air conditioning plants, packaged air conditioning plants and also the roof mounted split air conditioning systems.

This question of the week comes from the building owners and managers association boma international group on linkedin i have an issue in my building relating to one of my air handling units ahus. The new range of fan coil units offers 5 models, of which 3 in flexible. The basic internal parts to include fan assemblies, coils, etc. Ceiling units can be configured as a cassette, drawing air into the centre and discharging at the periphery. Inspection, cleaning and disinfection of fan coil room ventilation units. Wall mounted ceiling cassette ceiling convertible ducted fan. Fan coil yvfyvs, fan coil ywc, yvc, yvf, yvs, ywc, 3ywc, 4ywc, 6ywc, 8ywc, 10ywc, 12ywc. This manual does not relate to the cheetah fan coil unit product that is covered by a separate instruction manual. The services of a qualified technician should be employed through the medium of a maintenance contract with a reputable service company. The following symbols are used within these instructions to highlight references to potential danger, advice for safe operation, or other important information altitudes.

The communication mode and operation can be implemented easily, ensuring stable and reliable system operation. Ceiling concealed chilled water fan coil unit energy. International environmental corporation iec fan coil units represent a prudent investment, offering troublefree operation and long service with proper installation, operation, and regular maintenance. The information herein provides guidance on how the product should be installed, operated and maintained. As each indoor unit sends a demand to the outdoor unit, the outdoor unit delivers the amount of refrigerant needed to meet the individual requirements of each indoor unit fig. Electrical shock can cause personal injury or death. Fan coil units are a highly efficient means of turning a water chiller or hot water boiler into an efficient, quiet air conditioning system. On a further call for cooling, the thermostat signals for the fan to speed up from its.

The equipment covered by this manual is available with a variety of options and accessories. As its name implies, a fan coil unit consists of a heat exchanger in which water is circulated and a fan assembly, incorporating a filter and simple controls, designed for wall perimeter units fig. The basic fan coil system consists of an air coil and a motorblower assembly. The fan coil unit is controlled by a unit mounted controller provided by mechanical systems controls contractor mscc. Engineered comforts new ezstat is the first commercial all. The following symbols are used within these instructions to highlight references to potential danger, advice for safe operation, or other important information altitudes not exceeding 500m above sea level. Each basic series fan coil unit is identified by a multiple character model number unique to that particular unit.

Fcu stands for fan coil unit but often engineers will just call them a fan coil, to save time. Ad klima fan coil unit operation and installation manual pdf. When a fan coil unit is located above a tbar ceiling the noise it generates is difficult to control even with lined ductwork or silencers. Typically a fan coil unit is not connected to ductwork, and is used to control the temperature in the space where it is installed, or serve multiple spaces. Tec3000 series proportional fan coil and individual zone thermostat controllers with dehumidification capability installation instructions tec3320xxxxx, tec3321xx. Ceiling concealed chilled water fan coil unit engineer data edfwwv201401a models. Page 10 fan coil unit oneway cassette type operation of remote controller and infrared signal from remote controller is correctly received.

Its as easy as making sure you have the right fan coil to match. A fan coil unit is a room ventilation device that contains. The unit nameplate also identifies the serial number and sales order number. Whether the unit is in a horizontal configuration or a vertical stacked configuration, the basic operation of the unit is the same. Lay fan coil on its right side and reinstall coil assembly with condensate pan down. How it works a vertical stack fan coil unit is one of the simplest methods to heat and cool. Room fan coil units are a factorymade assembly, consisting of a fan or fans in parallel, that provides air circulation caused by a difference in static pressure produced by an airmoving device, cooling or cooling and heating, and filtering of air, but does not. Tec3000 series proportional fan coil and individual zone. Direct digital controls ezstat the allinone fan coil digital controller fig. A zone may consist of a single undivided space, a partitioned room, or multiple rooms with similar smaller loads that together add up to the total load the fan coil unit is designed to handle. Fan coil units are typically selected and sized to heat and cool a small zone with specific load requirements.

Unit identification the 16 position numbering chart allows identification of all available fan coil units. With the hoa switch on the starter panel in the h position, the unit will start. A welldesigned fan coil unit will have low air and water pressure drops across the coil to reduce fan and pump power requirements as well as an efficient fan and motor assembly for. Horizontal, low profile fan coils new release form 115. Carrier fan coil units represent a prudent investment offering troublefree operation and long service with proper installation, operation, and regular maintenance. In buildings such as hotels, where there is a need for temperature control in individual zones, a split system is used that consists of an exterior condensing unit and cooling system, and an interior fan coil or heat pump unit located near the conditioned space. To determine a units specific options, reference the model number that is located on the unit nameplate on the fan scroll. Model hbs basic unit model hrs return plenum unit model hds deluxe unit how to select usa units its easy to select usa fancoil units. They do not contain full service procedures necessary for the continued successful operation of this equipment.

When the fan coil unit is in the normal operating mode, a fan speed switch, located on the thermostat cover, shall control the speed of the fan from low, medium to high, as directed by the switchs position. Modulate chilled water valve position to achieve temperature setpoint if space temperature is above setpoint if two spaces are controlled by one unit, control using higher space temperature 16. Fww200 fww300 fww400 fww500 fww600 fww700 fww800 fww fww1200 fww1400 air flow. Kickster undercounter fan coil installation and operation.

A unit ventilator is a fan coil unit that is used mainly in classrooms, hotels, apartments and condominium applications. Each indoor fan coil unit has its own metering device that is controlled by the indoor unit itself, or by the outdoor unit. On a call for cooling, the thermostat signals for the heating control valve to modulate toward the closed position. Fan coil units are very common in all types of buildings, from offices, bars, canteens, even some homes and apartments will have a. Variable air volume vav epic fan technology with ecm proportional ecm 3speed ecm 3speed psc 1. We just change the cabinet around the unit, so that you choose the type that meets your requirements.

In warmer climates or when a building is well insulated, fan coil units with a chiller 2pipe system can handle both cooling and heating. Each basic series fancoil unit is identified by a multiple character model number unique to that particular unit. Our units offer flexible airflow configurations in a variety of configurations. Your equipment is initially protected under the manufacturers standard warranty. The main source of noise in a fan coil is the small fan that circulates air through the coil and into the conditioned space. Fan coil unit for every type is mainly composed with the fan worm gear, spiral casing, motor, heat changer coil, air filter, electrical adjuster, with the main features as following. A copper tube with aluminum fins that circulates hot water, chilled water or refrigerant gas for heating and chilling air that passes across the tube and fins. Direct digital controls quality fan coil units engineered. Horizontal, low profile fan coils johnson controls. A welldesigned fan coil unit will have low air and water pressure drops across the coil to reduce fan and pump power requirements as well as an efficient fan and motor assembly for quiet operation. Fan coil unit selection program user manual while all care has been taken to ensure correct operation of the fan coil selection program, temperzone ltd.

To determine a unit s specific options, reference the model number that is located on the unit. Make sure the pan cap in the fitting door is properly seated on the fit ting door to retain the low air leak rating of the unit. Sequence of operations 6 fan coil unit control applications may, 2001 2001 environmental technologies, inc. These installation operation and maintenance instructions relate solely to the cheetah fan coil unit product as manufactured by caice acoustic air movement ltd. Inspection, cleaning and disinfection of fancoil room ventilation units. Branch duct connection improves air flow distribution when there is an obstruction. As the names suggest, in the first type the fans are fitted behind the heat. Hpfhpphpe horizontal high performance fan coil unit installation, operation and maintenance manual stock id. Alternatively, if a 3speed ecm or psc motor is selected then the output would result in a constant air volume. Vertical histack fan coil installation, operation and. A fancoil unit is a room ventilation device that contains. Johnson controls offers a broad selection of fan coil units designed for quiet, energysaving operation.

It is part of an hvac system found in residential, commercial, and industrial buildings. It comprises of the cooling coil over which the hot return air from the room flows, gets cooled and flows back to the room to. This manual describes the installation, operation and maintenance of the fan coil unit, model deco. Fan coil units fcu without valves standard features blue star fan coil units have the following unique features. In this article, we are going to be looking at fcus. For optimal dehumidification performance, use a fan coil unit that has a multispeed or variablespeed fan vsf. Before installing or servicing fan coil, always turn off all power to unit. Instruction manual cheetah fan coil unit original instructions 3 1. Interfacing ability projects matrix fan coil units to a. Fan coil units in combination with chillers and or boilers can be used to provide a broad range of solutions that can be tailored to local conditions such as climate, primary fuel market or building insulation. Iomfcuhp april, 2008 2008 environmental technologies largo, fl part no.

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