Table of Contents
Advertisement
Energy Efficient
•
Easy to Install
•
Extended Service Life
•
- Energy efficient compact blower coils
- Ideal for educational, hospitality, multi-family, or other commercial environments
- Designed for ducted applications
- Nominal CFM range of 600 to 3,000 CFM
INSTALLATION, OPERATION, & MAINTENANCE MANUAL
Fan Coils
Advertisement
Table of Contents
Summary of Contents for IEC C Y 02 Series
- Page 1 Fan Coils INSTALLATION, OPERATION, & MAINTENANCE MANUAL Energy Efficient • Easy to Install • Extended Service Life • - Energy efficient compact blower coils - Ideal for educational, hospitality, multi-family, or other commercial environments - Designed for ducted applications - Nominal CFM range of 600 to 3,000 CFM...
- Page 2 Fan Coils INSTALLATION, OPERATION, & MAINTENANCE MANUAL It is the responsibility of the end user to properly characterize and dispose of all waste materials according to applicable regulatory and legal entities. Where reasonable, safe, and compliant with local regulatory and legal requirements, IEC encourages recycling materials when disposing of its products. International Environmental Corporation (IEC) works continually to improve its products. As a result, the design and specifications of each product may be changed without notice and may not be as described herein. Please contact IEC for information regarding current design and product specifications. Statements and other information contained herein are not express warranties and do not form the basis of any bargain between the parties but are merely IEC’s opinion or commendation of its products. Manufacturer’s standard limited warranty applies.
-
Page 3: Table Of Contents
Fan Coils INSTALLATION, OPERATION, & MAINTENANCE MANUAL Table of Contents SECTION ONE — Receipt & Initial Installation Electrical Wiring and Controls Valves and Piping Preface Filters, Throwaway Unpacking and Inspection Filters, Permanent Handling and Installation Drain Installation Instruction for Ceiling Hung Units 14-15 Replacement Parts Cooling/Heating Medium... -
Page 4: Section One - Receipt & Initial Installation
Fan Coils INSTALLATION, OPERATION, & MAINTENANCE MANUAL SECTION ONE — Receipt & Initial Installation Always protect adjacent flammable material when Preface welding or soldering. Use a suitable heat shield material International Environmental Corporation fan coil units to contain sparks or drops of solder. Have a fire represent a prudent investment offering trouble-free extinguisher readily available. operation and long service with proper installation, operation, and regular maintenance. The manufacturer assumes no responsibility for personal injury or property damage resulting from improper or Your equipment is initially protected under the unsafe practices during the handling, installation, service, manufacturer’s standard warranty;... -
Page 5: Handling And Installation
Fan Coils INSTALLATION, OPERATION, & MAINTENANCE MANUAL SECTION ONE — Receipt & Initial Installation, Cont’d. Sales Representative should be notified immediately so foreign material is allowed to be deposited in the drain pan that proper action may be taken. or on the motor or blower wheels of any unit. Some units and/or job conditions may require some form of temporary NOTE: Should any questions arise concerning warranty repairs, the factory must be notified BEFORE any corrective action is taken. covering during construction. Where local repairs or alterations can be accomplished, Installation Instruction for Ceiling Hung Units the factory must be fully informed of the extent and Anchoring the equipment in place is accomplished by expected cost of those repairs before work is begun. using the mounting points provided with 3/8” or 1/2” Where factory operations are required, the factory must all thread (not supplied with unit). See Figure 1 for be contacted for authorization to return equipment and a recommended all-thread diameter. The unit must be Return Authorization Number will be issued. Unauthorized positioned so that the drain pan is on a LEVEL PLANE. return shipments of equipment and shipments not marked Care must be taken to insure that the drain pan does not with an authorization number will be refused. In addition, slop away from the outlet connection. Horizontal open... -
Page 6: Cooling/Heating Medium Connections
Fan Coils INSTALLATION, OPERATION, & MAINTENANCE MANUAL SECTION ONE — Receipt & Initial Installation, Cont'd. the chassis, plenum, or cabinet. Refer to the unit product Figure 2. Threaded Rod Suspension drawings for mounting hole locations and sizes. 5/8” knockouts for suspension rods (4 Isolators - 4 per unit places top and 4 places ( eld furnished and After mounting the unit, it is then ready for the various bottom of unit) installed) service connections such as water, drain and electrical. At this time, it should be verified that the proper types of services are actually provided to the unit. On those units requiring chilled water and/or hot water, the proper line size and water temperature should be available to the unit. In the case of refrigerant cooling, the proper line size and refrigerant type should be available to the unit. On units with steam-heating coils, the proper line sizing... -
Page 7: Horizontal Unit Drain Pan Removal
Fan Coils INSTALLATION, OPERATION, & MAINTENANCE MANUAL SECTION ONE — Receipt & Initial Installation, Cont'd. BEFORE beginning the connection of the various cooling installed and may be packaged separately from the unit. and/or heating mediums to the unit. Factory supplied cooling coil valve packages will be arranged to locate as much of the package as possible Horizontal Unit Drain Pan Removal over a standard drip lip. CXB, CBY, CHY and CPY Horizontal models come with a If none of the above factory accessories have been removable drain pan. The drain pan should be removed provided with the units, a drip lip (available from the before installing or servicing the valve package. An factory) may still be required to direct piping condensate extended drill bit may be necessary to access the screws into the unit drain pan. to remove the drain pan. After the connections are completed, the system should NOTE: Exact location of screws to remove drain pan may vary based then be tested for leaks. Since some components are not on Horizontal model. -
Page 8: Ductwork Connections
Fan Coils INSTALLATION, OPERATION, & MAINTENANCE MANUAL SECTION ONE — Receipt & Initial Installation, Cont'd. some location where an indication of drain flow restriction plenum rear panel. The rear panel must then be moved to may be readily observed. Units furnished with a “tell-tale” the bottom of the unit and reversed so that the top edge connection should be sloped very slightly towards the (when rear mounted) is toward the supply end of the unit drain outlets. The differential height of the trap inlet to and reinstalled on the bottom of the plenum. The panel outlet must be at least one inch greater than the total should be positioned towards the drain pan to expose static pressure on the unit. The height from the drain the one-inch wide filter slot for unit-mounted filters. The outlet to the bottom of the trap must not be less than panel should be positioned against the rear bottom brace... -
Page 9: Exposed Unit Touch Up And Repainting
Fan Coils INSTALLATION, OPERATION, & MAINTENANCE MANUAL SECTION TWO — Start Up must be wired in strict accordance with the wiring #000 or #0000 fine steel wool. The surface may also be diagram that appears on the unit. Failure to do so could wiped with a liquid surface etch cleaning product such as result in personal injury or damage to components, and “No Sand” or “Pasceo.” These items should be available will void all manufacturer’s warranties. at most paint product stores. It should be noted that the more conscientiously this preparation is done, the more The fan motor(s) should never be controlled by any effective it will be. wiring or device other than the factory-furnished switch or thermostat/switch combination without factory After this preparation is accomplished, the factory finish authorization. Fan motor(s) may be temporarily wired for should provide excellent adhesion for a variety of air-dried use during construction only with prior factory approval in top coats. Enamel will give a more durable, higher gloss strict accordance with the instructions issued at that time. finish, while latex will not adhere as well and will give a dull, softer finish. Top coats involving an exothermic Units with optional factory-furnished and installed chemical process between two components, such as aquastats may be shipped with the aquastats mounted on epoxies and urethanes, should be avoided. a coil stub-out. Remove the aquastat before installation of a valve package. Consult the factory piping diagram in the Factory aerosol touch-up paint may require a number approved submittals for proper location when reinstalling of light “dust coats” to isolate the factory-baked enamel the aquastats. If the valve package is field-furnished, the finish from the quick drying touch-up paint. aquastat must be installed in a location where it will sense SECTION TWO – Start Up the water temperature regardless of control valve position. -
Page 10: Cooling/Heating System
Fan Coils INSTALLATION, OPERATION, & MAINTENANCE MANUAL SECTION TWO — Start Up, Cont'd. Each unit should be checked for: Air System Balancing All ductwork must be complete and connected. All grilles, 1. free blower wheel operation filters, and access doors and panels must be properly 2. loose wires installed to establish actual system operating conditions 3. loose or missing access panels or doors BEFORE beginning air balancing operations. 4. clean filter of the proper size and type Each individual unit and the attached ductwork is a Except as required during start-up and balancing operations, unique system with its own operating characteristics. For no fan coil units should be operated without all the proper this reason, air balancing is normally done by balance ductwork attached, supply and return grilles in place, and all specialists who are familiar with all procedures required access doors and panels in place and secure. Failure to do to properly establish air distribution and fan-system so could result in damage to the equipment or building and operating conditions. These procedures should not be furnishings, and/or void all manufacturer’s warranties. attempted by unqualified personnel. Cooling/Heating System Exposed units without ductwork do not require air Prior to the water system start-up and balancing, the balancing other than selecting the desired fan speed. chilled/hot water systems should be flushed to clean out After proper system operation is established, the actual dirt and debris which may have collected in the piping unit air delivery and the actual fan motor amperage draw during con s truction. During this procedure, all unit service for each unit should be recorded in a convenient place for... -
Page 11: Water Treatment
(Contact Factory) (in the Field) Potentiometer Flo 1, 2, & 3 Terminals Low, Med, High CFM adjust Flo 0 & 4 Terminals The unit has been factory configured to produce PSC equivalent airflow on high speed, with medium and low If a factory provided thermostat or DDC controller is speed set at 80% and 60% of high, respectively. If these utilized, then the unit is already correctly configured. setting are acceptable, then no further configuring is IEC recommends using the specified thermostat or DDC required. controller to commission the unit whenever possible. If alternative airflows are desired, use board mounted pots However, the blower can be started and operated without to adjust the airflow associated with each input. Each the thermostat. To do so, locate jumper 7 near the large output can be adjusted from 0 to 100% of the motor’s capacitor. Move J7 from 0-10 to Man. Once moved, the factory programmed operating range. Use voltmeter and on-board pots control fan speed. To switch the fan in this airflow chart (on control box cover) to set values. Refer to configuration, place a dry contact in-line on the enable wire. -
Page 12: Water System Balancing
Fan Coils INSTALLATION, OPERATION, & MAINTENANCE MANUAL SECTION THREE — Normal Operation & Periodic Maintenance package, depending on unit configuration. It is the user’s Controls Operation responsibility to ensure the tube and piping materials Before proper control operation can be verified, all other furnished by IEC, are compatible with the treated water. systems must be operating properly. The correct water and air temperatures must be present for the control Failure to provide proper water quality will void the fan function being tested. Some controls and features are coil unit’s warranty. designed to not operate under certain conditions. For Water Containing Required Concentration example, on a 2-pipe cooling/heating system with auxiliary electric heat, the electric heater cannot be energized with Sulphate Less than 200 ppm hot water in the system. 7.0 – 8.5... -
Page 13: Motor/Blower Assembly
Fan Coils INSTALLATION, OPERATION, & MAINTENANCE MANUAL SECTION THREE – Normal Operation & Periodic Maintenance, Cont'd. Motor/Blower Assembly switches only. Open-strip heaters have an automatic reset switch with a back-up, high-limit thermal switch. The type of fan operation is determined by the control components and their method of wiring. This may vary Automatic reset switches are as the name implies, they from unit to unit. Refer to the wiring diagram that is reset automatically after the heater has cooled down. attached to each unit for that unit’s individual operating High-limit thermal switches must be replaced once the characteristics. circuit has been broken. The high-limit thermal cutout device is a safety device only, and is not intended for All motors have permanently lubricated bearings. No field continuous operation. With proper unit application and lubrication is required. operation, the high-limit thermal cutout will not operate. Should the assembly require more extensive service, the This device only operates when a problem exists, and ANY motor/blower assembly may be removed from the unit condition that causes high-limit cutout MUST be corrected to facilitate such operations as motor or blower wheel/ immediately. High supply voltage also causes excessive housing replacement, etc. amperage draw and may trip the circuit breaker or blow the fuses on the incoming power supply. Dirt and dust should not be allowed to accumulate on the blower wheel or housing. This can result in an unbalanced After proper air flow and supply power are assured, blower wheel condition which can damage a blower regular filter maintenance is important to provide clean wheel or motor. The wheel and housing may be cleaned air over the heater. Dirt that is allowed to deposit on the periodically using a vacuum cleaner and a brush taking... -
Page 14: Valves And Piping
Fan Coils INSTALLATION, OPERATION, & MAINTENANCE MANUAL SECTION THREE — Normal Operation & Periodic Maintenance, Cont’d. void all factory warranties. All repair work should be Before replacing the filter in the unit, it should be done in such a manner as to maintain the equipment in recharged with some type of entrapment film such as compliance with governing codes, ordinances and testing “Film-Cor Recharging Oil.” The filter should be sprayed on agency listings. both sides or submerged in the film to assure complete coverage. The filter should not be allowed to soak in the More specific information regarding the use and operating film, but should be immediately removed and the excess characteristics of the standard controls offered by the film drained from the filter before re-installation in the unit. manufacturer are contained in other manuals. Consult a local filter supplier for types of available cleaning solutions and charging films. Valves and Piping No formal maintenance is required on the valve-package It should be noted that permanent filters normally have components most commonly used with fan coil units other less static pressure loss than throwaway filters. than a visual inspection for possible leaks in the course Drain of other normal periodic maintenance. In the event that a valve should need replacement, the same precautions The drain should be checked before initial start-up, and at taken during the initial installation to protect the valve the beginning of each cooling season to assure that the package from excessive heat should also be used during drain, drain trap, and line are clear. If it is clogged, steps replacement. should be taken to clear the debris so that condensate will flow easily. Filters, Throwaway Periodic checks of the drain should be made during the The type of throwaway filter most commonly used on fan cooling season to maintain a free-flowing condensate. - Page 15 Fan Coils INSTALLATION, OPERATION, & MAINTENANCE MANUAL SECTION THREE – Normal Operation & Periodic Maintenance, Cont'd. When ordering parts, the following information must be supplied to ensure proper part identification: (1) Complete unit model number (2) Unit serial number (3) Unit hand connection (right or left hand) while facing into the air stream (4) Complete part description including any numbers On warranty replacements, in addition to the information previously listed, the unit shipping code which appears on the upper right-hand corner of the serial plate is required. Contact the factory for authorization to return any parts such as defective parts replaced in warranty. All shipments returned to the factory must be marked with a Return Authorization Number which is provided by the factory.
-
Page 16: Section Four - Equipment Start-Up
Fan Coils INSTALLATION, OPERATION, & MAINTENANCE MANUAL SECTION FOUR – Equipment Start-up Check List IMPORTANT Fan coil units must be filled with water before operating the circulator. The circulator bearings are water lubricated and should not be allowed to operate dry. Filling the system properly will result in immediate lubrication of the bearings. Receiving and Inspection Electrical Conditions Unit received undamaged Refer to unit wiring diagram Unit received complete as ordered Connect incoming power service or services “Furnish only” parts accounted for Install and connect “furnish only” parts Unit arrangement/hand correct Unit Start-up Unit structural support complete and correct General visual unit and system inspection Handling and Installation Check for proper fan rotation Mounting grommets/isolators used Record electrical supply voltage Unit mounted level and square Check all wiring for secure connections Proper access provided for unit and accessories ... -
Page 17: Icm Aw4105
6. High Speed: Close High speed relay by applying requires the use of a Multi-meter capable of measuring 24V to the High terminal. Using a small screwdriver 0~5 vdc. turn the VR3 potentiometer so the meter measures 4.51 Vdc. This will set the ECM speed to 90% of 1. Only trained and qualified individuals should maximum for high speed. Open the high speed attempt to adjust or service components on any relay. electrical component. Failure to follow safety rules could result in electrical shock or hazard. 7. Medium Speed: Close medium speed relay by applying 24V to the medium terminal. Using a 2. Unit must be powered to perform the following small screwdriver turn the VR2 potentiometer so procedure. If main power is not available, IEC the meter measures 3.53 Vdc. This will set the recommends connecting a temporary 24V-40VA ECM speed to 70% of maximum speed for medium power supply in parallel with the secondary outputs speed operation. Open the medium speed relay. of the unit’s transformer. 8. Low Speed: Close low speed relay by applying 3. Set the electrical multimeter to Volts Direct Current 24V to the low terminal. Using a small screwdriver (Vdc) on the 0~5 or 0~20 Vdc scale turn the VR1 potentiometer so the meter measures 4. Attach black (negative) lead of meter to the 2.06 Vdc. This will set the ECM speed to 40% of maximum speed for low speed operation. Open the DC common terminal, labeled “L2” above the low speed relay. - Page 18 Flo 0 & 4 Terminals Adjusting the Flo1, Flo2, Flo3 potentiometers requires the 6. High Speed: Using a small screwdriver turn the Flo1 use of a Multi-meter capable of measuring 0~5 vdc. potentiometer so the meter measures 4.51 Vdc. This will set the ECM speed to 90% of maximum for 1. Only trained and qualified individuals should high speed attempt to adjust or service components on any electrical component. Failure to follow safety rules 7. Medium Speed: Using a small screwdriver turn could result in electrical shock or hazard. the Flo2 potentiometer so the meter measures 3.53 Vdc. This will set the ECM speed to 70% of 2. 24 vac power must be supplied to ECM board to maximum speed for medium speed operation make adjustments 8. Low Speed: Using a small screwdriver turn the Flo3 3. Set the electrical multimeter to Volts Direct Current potentiometer so the meter measures 2.06 Vdc. (Vdc) on the 0~5 or 0~20 Vdc scale This will set the ECM speed to 40% of maximum 4. Attach black (negative) lead of meter to the “Com” speed for low speed operation terminal to the left of the potentiometers and below 9. For setting of Flo0 and Flo4 contact IEC Service the Status light Department, otherwise these potentiometers 5. Attach the red (positive) lead of the meter to the should be set to full counter clockwise rotation. high speed “Flo1” terminal below the Potentiometer...
-
Page 19: Terms And Conditions
15. Payment terms are net thirty (30) days from date of shipment on approved credit. One and one (1) All complete fan coil units built or sold by IEC for twelve (12) months from date of unit start half percent (1 1/2%) per month (18% annual rate) may be charged on past due accounts or the up or eighteen (18) months from date of shipment (from factory), whichever comes first. - Page 20 Fan Coils INSTALLATION, OPERATION, & MAINTENANCE MANUAL Contact your local IEC Sales Representative for further details and pricing applicable to this product. Visit our website (iec-okc.com) to find your local IEC Sales Rep. 5000 W. I-40 Service Rd. IEC Part Number: I100-90000950 Oklahoma City, OK 73128 P: 405.605.5000...
Need help?
Do you have a question about the C Y 02 Series and is the answer not in the manual?
Questions and answers
Hi i have a HPY-10 and somebody took the whole blower housing assembly trying to find the right part # its a 115v can you help me thank you! Renard