One for heating and one for cooling. Rear and bottom return, front and bottom supply options are available. Download Brochure with complete details and specifications in … Supply Air Temperature is the condition of air just at outlet of terminal unit / any air outlet device in the system. Incoming air filtration is not required; however, the condensing coils must be cleaned Manual Product Sheet Drawing Features Options Accessories Supply air is distributed to each zone via VAV boxes. The unit comes in the same attractive, IVAR FCU-Kit: FCU-Kit (Fan-Coil Unit Kit) is a pre-assembled multifunction bypass unit designed for plants that require a constant flow of. This allows either hot Standard Features Unilux vertical stacked fan coil units meet the requirements of UL 1995 / CSA22.2 #236 – Issue 2011 Standard for safety heating and cooling equipment. The basic unit coil connections are 5/8" O.D. A device for moving air which utilizes a motor-driven impeller. Other materials can be used, but copper pipe is desirable due to its light weight, ease of installation, widespread availability, durability and reasonable cost. water coil and chilled water coil for heating and cooling the air, and a supply fan for forced air circulation through the unit and into the space. Basic Series fan-coil unit. Paul … Fan coil units are divided into two types: Two-pipe fan coil units or four-pipe fan coil units. Default. Heat pump. We can also specify return air and/or supply duct sound attenuators that will further reduce air noise. 3.15 Fan. The plenum version of these units can accommodate ducted supply/return configurations, though care must be given during design not to exceed the .5" static max pressure. Exposed ceiling type fan coils can be provided in a variety of attractive cabinet options suitable for any décor style, including 5 software-selectable paint colors. Found the tutorials super useful? VERTICAL FAN COIL UNITS Model: CT & TCE 2 - Pipe •Unit mounted aquastat for heating/cooling change-over •350 cfm to 1200 cfm capacity •4-row water coil •120v or 24v controls •Electric heating coil (TCE Model) •Fresh air connection from remote HRV (DFA option) •ECM or PSC motor •Unit mounted supply, return and drain risers Draw-through units can be further configured to be either horizontal units or vertical units. The four-pipe system includes a distribution system that contains both hot water supply with return lines and a chilled water supply with return lines. Therefore, when installing the fan coil unit in the construction project, besides connecting the supply and return pipe, the condensate water still needs to be connected, and the condensate water is discharged automatically. coil supply and return line connections. Four-pipe fan coil units have 2 stacked coils with two (2) supply pipes and two (2) return pipes. Whalen’s Inteli-line ® Vertical Stack Fan Coil units are designed to be stacked from floor to floor and utilize vertical supply and return risers in buildings such as hotels, apartments, condominiums, nursing homes and dormitories. Many times, there are areas in the room that will never have air flow and will be considered hot spots. Support more content. Start-up procedures vary depending on time of year (summer or winter) and building characteristics. TWINPACK ... • One-inch duct collar on return- and supply-air openings. NOTE: All drawings shown have the coil connections on the right-hand side. diffuser, independent of the fan coil unit. Fan coil units provide flexibility of architectural design, economy of operation and space usage, individual room control with privacy, quietness, versatility of location and ... vertical supply with 1" cleanable filter. The 2-pipe FCU will include 1 supply and 1 return pipe and handle either cold or hot water depending on the annual season. Insert the coil into the fan coil frame assembly from the other end and reverse procedures 4 & 5 to reassemble the fan coil. 3,4 model letters CE : horizontal ceiling FCU DIGIT NO. Optional Side, Front or Top Opening 3. The Horizontal Flush Bottom Supply and Front Return (LH-F) is a low-static (up to .25 ESP) recessed fan coil designed for flush ceiling applications and designed to accommodate ducted supply air. A four-pipe fan coil unit consists of a fan, chilled water cooling coil, hot water heating coil, and air filter.Fan coil units are designed to provide dehumidification of the area served; however, the amount of dehumidification provided can be limited by increasing the chilled water supply temperature. A four-pipe fan coil unit will have both a ‘wet’ chilled/cold water coil and a ‘wet’ hot water coil. The room units comprise of a fan, coil, supply and return air grilles, and filter ( Fig. The 2-pipe FCU will include 1 supply and 1 return pipe and handle either cold or hot water depending on the annual season. Supply and return spiral metal ducts to be provided, installed, insulated (supply), and sealed by contractor. THC Series Fan Coil Units. Therefore, individual systems must be evaluated to determine the most efficient first cost option. On/Off. SRBB – Horizontal Recessed Bottom Supply & Return Unit The Horizontal Recessed Bottom Supply and Return is a recessed fan coil designed for fl ush ceiling applications. return fan economizers. As illustrated in the above image. of the supply end of the fan coil. See drawings for unit configurations, dimensions, clearances, and pipe connections. The duct could be on the supply, return, or both. Refer to … Fan coil units are divided into two types: Two-pipe or four-pipe units. 7. There’s one supply pipe and one return pipe, which means that this type of fan coil cannot heat and cool at the same time as there is one supply pipe and one return pipe. Masters piped in series, one above the other. The building has a chiller and cooling tower to cool the water in the cold loop and a Boiler to heat the water in the hot loop. Ensure that care is taken when removing and inserting the coil not to damage the coil fins. The fan-coil conditioner consists of a fan, filter and coil. 1. The unit is supplied without air filtration components. The 4-pipe FCU includes double supply and return piping and allow either hot or cold water to the unit at any given moment. Two-pipe fan coil units have one (1) supply and one (1) return pipe. Question one: The fan has small air output and poor air conditioning effect. 6. Thermostat locations that are too close to the supply and/or the return air streams that cycle the thermostat off too quickly. Factory assembled, horizontal blow-thru KHFE fan coils are designed for exposed ceiling installations free blowing into the space suitable for projects such as hotels, motels, condominiums, and general commercial applications. Units with left-hand connections are symmetrical. Note that if a low supply air temperature (less than 55 °F) is required for dehumidification, a high induction diffuser should be selected to prevent drafts. Four-pipe fan coil units have two supply pipes and two return pipes. The supply pipe supplies either cold or hot water to the unit depending on the time of year. General Information Drain pan Figure 1. Figure 6 Figure 6 ----- CAUTION ----- Care must be taken when • Unit mounted 3-speed fan switches (unit mounted three speed switch is located under access door on exposed, flat and sloped top vertical floor mount units). Exposed Model FNX cabinetry is powder coated gal-vannealed steel. Cooling Type. Lower Access Panel 5. 3.16 Fan-coil Unit. In a unit with an exhaust fan economizer the supply fan has to over come the return air pressure drop, which may require a larger supply fan and supply fan motor than a comparable return fan system. Submittals. 0.3 W/cfm. Draw-Though Unit or Blow-Through Unit In a draw-through unit the supply fan is located down steam from the cooling coil section as shown in fig air is drawn through unit coil section. high-performance, horizontal fan-coil units catalog: et115.26-eg3 (1019) unit arrangements hpe double deflection supply grille and ducted rear return hpe ducted supply and single deflection rear return grille hpe double deflection supply grille and single deflection bottom return grille hpe ducted supply and ducted rear return A high efficiency stainless steel condensing boiler is … Fan Coil Motor Type. Temperature Sensor activates hot water connections when return air is below +4C (40f) to prevent freezing and flooding. Electric Valve Package Kits. However the return air is not ducted and it is drawn from the open plenum above the false ceiling. These units are designed to be "stacked" on each floor of a building, either alone or in pairs This allows for a small, space-saving footprint with one set of risers for supply, return and drain lines. Fan Coil Units are the basic system applied to the following options: Fan Coil Units (4-pipe) Active Chilled Beams; Passive Chilled Beams; Ventilation and Heating Only In other words – for all of the above systems it is assumed that heat transfer by the zone heating and cooling unit is purely convective. Off coil is the temperature of air just after passing through the coil. You'll like these too! Vertical stack fan coil units were first introduced into the market by Temspec in 1971. The fresh air can be supplied in 2 ways: Directly 100% Full Fresh Air. Incoming air filtration is not required; however, the condensing coils must be cleaned The fan coil unit shall include a factory provided piping package for the coil consisting of a pressure independent modulating control valve with readout ports (for handheld flow indication device), globe stop valves on supply and return The building management typically decides to supply either cold or hot water depending on the time of the unit. Two-pipe fan coil units have one (1) supply and one (1) return pipe. A fan coil conditioner unit is a type of room terminal unit that can be used with water-only or air-water systems. The slim, attractively-styled cabinet of the MXY blends with all types of decor. The 2-pipe fan coil serves as either a chill water coil or hot water coil which incorporates a single water coil connected to two pipes. Obviously, there is a separate supply and return connection for each coil and these units are known as 4 pipe fan coils. Units have a The 39VH Series Vertical Hi-rise Fan Coil Units are designed for quick installation, easy maintenance and a wide range of customer configurations. return. Remember that fan coil units have return air locations near the supply outlet location and somewhere on the unit. Fan coil units are divided into either 2-pipe FCUs or 4-pipe FCUs. Peak Fan Power . Units are completely factory assembled and wired and have individual thermostat controls . The air handling units are also called as fan coil units in case of roof mounted split AC units, since they comprise of the fan and the cooling coil. All VAV boxes are equipped with electric heating coils. No control. Zone Fan Coil Units. A 4 Pipe Fan coil system is a dual closed loop supply and return water distribution system that serves each suite. But, remember: any item placed in the ductwork adds resistance, and the fan coil unit fan must be sized to overcome this extra resistance to … They are installed by stacking one unit on top of the other . Since it is often necessary to heat and cool different areas of a building at the same time, due to differences in internal heat loss or heat gains, the four-pipe fan coil unit is most commonly used. supply) and admit (return) air directly to and from the space served, ... through unit is when one of the coil sections is located downstream of the supply fan. Horizontal ceiling mounted units – ducted at least on the supply side and many times on the return side. Excess compressor capacity is sometimes shed by injecting hot gas directly from the compressor discharge into the return. Energy Considerations Fan-Coil Unit Kit. The telescoping frame and hinged access panel of the Horizontal Recessed Bottom Supply and Return allow it to fi t any type of ceiling. 3.15 Fan. 7.7 ); with a four-pipe system, the coil is supplied with chilled and hot water. The telescoping frame and hinged access panel of the Horizontal Recessed Bottom Supply and Return allow it to fi t any type of ceiling. Supply-and-return-false-ceiling. High-capacity units provide many more options than their in-room counterparts. The fan coil units are connected to either a heating coil, a cooling coil or both heating and cooling coil. The unit comes in the same attractive, The air hanlding unit shall have Economizer dampers (outdoor air – return air – exhaust air), Supply fan, Return Fan, DX-Coil, Hot Water Coil and associated controllers – sensors for maintaining a constant supply air temperature (55 F -60 F) which will be Some units have (2) coils. This section looks at FCU maintenance and common FCU problems: please refer to the sections on heating and cooling to see how to use the heating and cooling in your apartment. A Fan-coil Unit that has provisions for an air passage (duct) to supply Airflow to or from a space. On coil is the temperature of air just before passing through the coil. Draw-through unit is when one of the coil sections is located upstream of the supply fan. Room temperature is maintained through a thermostat either by controlling the fan speed or by a two-port valve on the room unit coil. Refer to Table 1. Fan Coil Units (FCUs) Fan coil units (FCUs) located in the ceiling voids are the means by which heating and cooling is provided in your apartment. ... Verify that the return grille and supply louvers are not obstructed and the con-ditioned air is able to circulate through-out the room. A fan coil unit is one of the simplest methods to heat and cool. The ducted fan coil unit mounted above the false ceiling of each room supplies air through ceiling supply diffusers and the return is drawn from the return air diffusers also mounted in the same ceiling. 6. pletely assembled and shipped loose with the units. This allows either hot or cold water to enter the unit at any given time. coil and to assure proper operation of the control valves. The weight information for ... supply or return ducting. The Horizontal Flush Bottom Supply and Return (LH-E) is a low-static (up to .25 ESP) recessed fan coil designed for flush ceiling applications. Liquid Level Switches Explained. Drawn-through unit are the most widely used AHUs. FWF02-03-04-05B7FV1B 4-pipe fan coil units have two supply pipes and two return pipes. As much as 25% of fresh air can be introduced through the wall in the back of the unit. This type of fan coil system is more common in the condominium building in Toronto & GTA Area. The 4-pipe FCU includes double supply and return piping and allow either hot or cold water to the unit at any given moment. The basic fan coil system consists of an air coil and a motor-blower assembly. Refer to the unit wiring diagram installed on the blower housing or specific manufacturer liter-ature for any other type of factory-mounted controls. THC Series Fan Coil Units. Units can be supplied with supply and return grill on request with electrostatic polyster powder coat, oven-baked. The Horizontal Flush Bottom Supply and Front Return (LH-F) is a low-static (up to .25 ESP) recessed fan coil designed for flush ceiling applications and designed to accommodate ducted supply air. The Leaf unit is a result of more than a year of design and testing to produce the highest efficiency vertical stacked fan coil unit available today. 0.64 W/(L/s) or . Four-pipe fan coil units have 2 supply pipes and 2 return pipes. Master/Slave combination features two fan coil units piped to a common set of risers on the Master. MXY units feature a double-deflection supply grille, an integral return air panel and a unit-mounted thermostat control. WARNING. In order to ensure air quality, a filter screen is usually installed at the air return port to filter dust. Each fan coil has its own valves and controls. FAN COIL UNIT _____ Operation and Installation Manual MHCFC4W-04, 08, 12, 16 Four way ceiling cassette fan coil unit Please read this manual before using the fan coil unit. The air handling units are installed at the different places in the building to be air conditioned. SRBB – Horizontal Recessed Bottom Supply & Return Unit The Horizontal Recessed Bottom Supply and Return is a recessed fan coil designed for fl ush ceiling applications. The duct could be on the supply, return, or both. Supply Air Grille 2. Two-pipe fan coil units have one (1) supply and one (1) return pipe. The supply pipe can supply either hot or cold water to the unit. Extent of user-control. One set of flow and return pipework. Directly or Indirectly [AHU System] Part Fresh Air mixing with Recirculating Air. 4. Units are horizon-tal concealed and are available with an exposed fan, plenum, or ceiling access panel. Fan-coil units can be installed in a ceiling void, with the ceiling void used as a plenum for the return air from the room to be re-conditioned and to introduce ventilation fresh air from a central air-handling unit. Standard 1" minimum duct collars on both supply and return help to streamline ductwork installation. Two sets of flow and return pipework. RETURN AIR PLENUM & FILTER CUSTOMER SOURCE & POWER UNIT CONNECTION DIRECTION DRAIN PAN LENGTH STATIC PRESSURE COIL ROWS UNIT SIZE MODEL LETTERS PRODUCT SERIES Air Flow DIGIT NO. These units are not ducted and normally heat and cool one room. High-Capacity Horizontal Fan Coil Units. Many units only use the same coil for both heating and cooling and these units are 2 … The supply connection is at the top and the return connection is at the bottom on vertical model fan coil units. Electric Valve Package Kits. MPY Concealed Modular Vertical Stack Fan Coil Series. Support our efforts to make even more engineering content. Sign in to download full-size image Fig. 1,2 product series 42 : fan coil unit DIGIT NO. These fan coils are ideal for hotels, apartments, colleges, dormitories, etc. Install the FEM fan coil with the accompanying kit to ensure compliance with low leak requirements of less than 2% cabinet leakage rate at 0.5 inches W.C. and 1.4% cabinet leakage rate at 0.5 inches W.C. when tested in accordance with ASHRAE 193 standard. With this type of system both the outgoing and return refrigerant pipes to each fan-coil unit must be insulated. Whalen’s Inteli-line®Vertical Stack Fan Coil units are designed to be stacked from floor to floor, utilizing vertical supply and return risers in apartments, condominiums, hotels, retirement and nursing homes, and dormitories. This method ensures that the leaving condensate is on the bottom of the coil and below the lowest tube within the coil. It will depend on how the system has been designed and configured, but generally, yes fan coil unit can be installed to provide fresh air. Direct Expansion . This fan coil unit is designed to be mounted in a horizontal configuration only. A Fan-coil Unit that has provisions for an air passage (duct) to supply Airflow to or from a space. The unit contains a DX cooling coil, supply fan, and a 2” MERV 10 filter and is in fair condition. Heating Coil Type. The Horizontal Deluxe Bottom Supply and Return (LH-E/low static and HL-E/high static) is a mounted unit exposed below ceilings. Home Fan Coil Units – FCU Supply-and-return-false-ceiling. The fan-coil air supply process enters the air duct through the air return port, and then is blown through the coil by the fan and sent into the room. With the same CRAC unit selected above (110 kW) and with the revised return air temperature of 23 deg C, the vendor mentioned that the unit can supply the air only to as low as 17.5 deg C but not below it (and hence it can deliver only 56 kW cooling capacity). Fan Curve. While installing, prevent dirt and other foreign matter from entering the risers and plugging lines or valves . Return This allows the fan coil unit to be turned off or run at low speed during part load conditions. The LH-E comes with a coil, blower/motor assembly with quick-connect plug and a galvanized steel, powder-coated epoxy drain pan … The 39VH Series Vertical Hi-rise Fan Coil Units are designed for quick installation, easy maintenance and a wide range of customer configurations. Installation. The supply pipe supplies either cold or hot water to the unit depending on the time of year. Go to the page for Inteli-Therm Vertical Stack Fan Coil with Slide-Out Coil Pack by Whalen Company. These units are designed to be "stacked" on each floor of a building, either alone or in pairs This allows for a small, space-saving footprint with one set of risers for supply, return and drain lines. Four-pipe fan coil units have two (2) supply pipes and two (2) return pipes. WARNING. The Chapel’s fan coil units have supply and return ductwork along with ventilation air provided directly to each unit through outdoor air ductwork. The riser is a vertical pipe system , usually copper, that carries the chilled water and hot water supply and return and coil conden sate to and from a fan coil air handler. Horizontal Standard Fan Coil Unit, Exposed Cabinet. An audible alarms sounds if in protection mode. No control. Two-pipe fan coil units have 1 supply and 1 return pipe. A complete purging of the system is recommended before unit-piping connections are made. No control. 7.7. Can control peak load. Some FCUs are designed only to heat or cool the air, these are known as two-pipe fan coil units and will have one supply pipe and one return pipe (for either hot or cold … In a two-pipe configuration, fan coils only connect to one supply pipe and one return pipe. 2-pipe fan coil units have one supply and one return pipe. An FCU uses water in heating or cooling coils to adjust the air temperature. Fan coil units are divided into either 2-pipe FCUs or 4-pipe FCUs. Some method of shedding the excess cooling capacity is necessary for when some of the fan coil units do not call for cooling. Standard insulation is 1/2 inch thick fiberglass, com-plying with UL 181 and NFPA 90A. Options and Accessories Model Series 41V • Vertical Floor Fan Coil Units Models: 41VC, 41VS and 41VX CONTROLS • … The rows and tubes in the coil dictate how and where you feed, but the steam supply always needs to be the high connection. The Cold Rolled steel is insulated with ½” thick, over three pound density, neoprene coated fiberglass and finished in a durable soft-white powder coated epoxy. heat transfer fluid, such as: l Fan coils; l Cold beams; l Ceiling air conditioning systems. QUALITY PRODUCT FN Series fan coil units are built from galvanized steel. Coming off the supply duct is a round duct supplying the fan coil units. Once installed, only the thermostat control, supply grille, and decorative return air panel of the MPY are visible in the room. Fan Coil Unit Feature. Circuiting a coil is only necessary to ensure the connections are on the side of the coil that you want. IQ BY ALDES VERTICAL FAN COIL UNIT 5 B A 2.125" 33" 17" MAX 6" 2" H 6" 2.625" 5" 2" 4 PIPE INTEGRAL ERV FAN COIL REVISION DATE: 2019-05-16 Model CIS - 350~1200 : Chilled and Hot Water Coil Options:-4 Row Chilled Water, 2 Row Hot Water 1. The Concealed Modular (MPY) hydronic fan coil unit, IEC’s premier Vertical Stack Modular unit, is designed for concealed applications in corners or along room walls. This fan coil unit is designed to be mounted in a horizontal configuration only. General. The fan coil unit shall include a factory provided piping package for the coil consisting of a pressure independent modulating control valve with readout ports (for handheld flow indication device), globe stop valves on supply and return Figure 1: HiLine Fan Coil Unit General InformaTIon There are two main ducts (supply and return) which will go around the building to supply the various rooms. 3.16 Fan-coil Unit. the basic features of our standard UniTrane Fan-Coil. Two-pipe fan coil units or four-pipe fan coil units. HP Series Fan-Coil Unit Features STANDARD FEATURES: • Compact size: 17" height (HPF/HPP) or 18" height (HPE) for all sizes • Heavy-gauge, galvanized-steel casing construction • 1/2"-thick fiberglass insulation Upper Access Panel 4. This means that all fan coils in the loop get either hot water or cold water, and the entire system operates in heating mode or cooling mode. Also the discharge air from the AHU can be easily connected to a supply duct of similar higher velocity. Constant Volume Fan. In the air-water system the fan-coil conditioner unit provides the heating or cooling to a space while the primary air system supplies all ventilation. The unit is supplied without air filtration components. Can change to electric or gas coil. Over the years, we have built a reputation for quality construction, long life, small footprint, quiet operation and easy serviceability.Applications include hotels, condominiums, apartments, barracks and dormitories both high and low rise. No fan coil units should be operated without all the proper ductwork attached, supply & return grilles in place and all access doors and panels in place and secure. Ship-loose accessories include a remote-mounted fan speed switch, ball valves, and control valves. Fan coil units and unit ventilators served by a two-pipe system contain only one coil which serves as the heating and cooling coil, depending upon the system. Hi-velocity fan coil units require a hot water source for provision of heat distribution. The supply pipe supplies either cold or hot water to the unit depending on the time of year. There is a dedicated return fan serving the unit. There are two separate loops for the building, one for heating and one for cooling. Fan-Coil Units In a time when environmental responsibility has never been greater, it is our duty as an HVAC equipment manufacturer to design equipment with the lowest environmental impact. A device for moving air which utilizes a motor-driven impeller. the 42C,D,V unit fan coils. Two pipe fan coil units will only have one ‘wet coil’ usually the cooling coil, and maybe if the option is selected and design requires an electric heater element. The weight information for ... supply or return ducting. Optional foil faced or elastomeric closed cell foam insulation may be Vertical cabinet fan coil units – either against the wall or furred into the wall. The Exposed Modular (MXY) fan coil unit is designed for applications where concealed installation is not possible or practical. Fig.
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