IEC Modular Hi-Rise Series Installation, Operation & Maintenance Manual

IEC Modular Hi-Rise Series Installation, Operation & Maintenance Manual

Modular hi-rise fan coils

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• 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
Modular Hi-Rise Series Fan Coils
INSTALLATION, OPERATION, & MAINTENANCE MANUAL
Modular Hi-Rise Models:
MPY, MXY, MAY/MBY Ditto,
MMY/MSY, MUY, and MGY

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March 9, 2025

what is the merv rating for filter in mpy06 unit and can unit accomodate a merv ****filter

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Summary of Contents for IEC Modular Hi-Rise Series

  • Page 1 Modular Hi-Rise Series Fan Coils INSTALLATION, OPERATION, & MAINTENANCE MANUAL • Energy Efficient • Easy to Install Modular Hi-Rise Models: MPY, MXY, MAY/MBY Ditto, • Extended MMY/MSY, MUY, and MGY Service Life • Energy efficient compact blower coils • Ideal for educational, hospitality, multi-family, or other commercial environments •...
  • Page 2 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 Modular Hi-Rise Series Fan Coils INSTALLATION, OPERATION, & MAINTENANCE MANUAL SECTION I – Receipt and Initial Installation Concealed Unit Enclosure SECTION IV – Start-up (All Models) Receipt Unpacking and Inspection Operating Conditions Handling and Installation Cooling/Heating System SECTION II – Product Line Specific Installation Air System Balancing Part 1 –...
  • Page 4: Section I - Receipt And Initial Installation

    Modular Hi-Rise Series Fan Coils SECTION I – Receipt and Initial Installation damage or injury in the event of a leak or component failure during testing. Receipt Always protect adjacent flammable material when welding or soldering. Use a suitable heat- shield International Environmental Corporation fan coil units material to contain sparks or drops of solder.
  • Page 5: Handling And Installation

    Modular Hi-Rise Series Fan Coils INSTALLATION, OPERATION, & MAINTENANCE MANUAL At the time of receipt, the equipment type and arrangement three-inch swage to accommodate a two-inch overlap and should be verified against the order documents. Should minor floor to floor variations.
  • Page 6: Section Ii - Product Line Specific Installation

    Modular Hi-Rise Series Fan Coils SECTION II – Product Line Specific Installation Return Air: Single Location–The Return Air/Access panel may then be oriented on the left, right, or front of the unit. Part 1 – Universal Hi-Rise Units (MUY) Supply Air: Five Locations (4 sides and top) includes The unique design of the Universal Modular Fan Coil unit stitched design for 1/2”...
  • Page 7 Modular Hi-Rise Series Fan Coils INSTALLATION, OPERATION, & MAINTENANCE MANUAL TOP VIEW a. 2-pipe configurations: typically use the two inner riser knockouts. b. 4-pipe configurations: will use all four riser knockouts. Top Supply Air Knockout Electrical Locate and mark the riser and drain knockouts that...
  • Page 8 Modular Hi-Rise Series Fan Coils compensation is not included in the unit and must be Flexible provided. Riser end caps, air vents, and/or flushing loops Hose Kit Riser Stubout Insulation must be provided at the jobsite by the installer. Ball...
  • Page 9 Modular Hi-Rise Series Fan Coils INSTALLATION, OPERATION, & MAINTENANCE MANUAL CAUTION: Hose connection torque Before anchoring the equipment in place, the unit must requirements are 350 in. lbs. +10/-0 in. lbs. to be leveled and the cabinet must be plumb and squared.
  • Page 10 Modular Hi-Rise Series Fan Coils When no risers are ordered for the Universal Modular unit, it is the responsibility of the installer to make sure that an isolation ball valve is installed between each supply and return piping connection to the unit. Flare fittings are factory...
  • Page 11 Modular Hi-Rise Series Fan Coils INSTALLATION, OPERATION, & MAINTENANCE MANUAL Next, position the vertical studs and fasten into each of the stud pockets formed into the chase side panels (B) (see Figure 14). Chase Side Panel (A) Drywall Track (B) Install wall...
  • Page 12 Modular Hi-Rise Series Fan Coils CAUTION: Avoid penetrating the riser, coil, chilled water connections and red letters mark the hot water piping and electrical system with sheetrock connections. screws. The unit internal piping is designed to accommodate a total riser vertical movement of ±3/4”, due to thermal expansion...
  • Page 13 Modular Hi-Rise Series Fan Coils INSTALLATION, OPERATION, & MAINTENANCE MANUAL valve packages. This will also allow risers to be drained down the unit nameplate to verify compatibility. The routing and after testing in the winter to avoid freeze-up problems. sizing of all piping, and the type and sizing of all wiring...
  • Page 14 Modular Hi-Rise Series Fan Coils Supply, Return, and Drain Risers Riser to Unit Installation CAUTION: Toxic residues and loose particles Unit insulation Outer Cabinet resulting from manufacturing and field piping techniques such as joint compounds, soldering Riser Stubout flux, and metal shavings may be present in the unit and...
  • Page 15 Modular Hi-Rise Series Fan Coils INSTALLATION, OPERATION, & MAINTENANCE MANUAL Riser to Drain Installation 5. Use a wrench to tighten the swivel connections. Use a backup wrench to hold the riser ball valve stationary to Unit Insulation Unit Wall prevent it from bending or twisting during installation as shown in Figure 19.
  • Page 16 Modular Hi-Rise Series Fan Coils Unit Knockout Locations (Typical) or gain. All of the risers including the riser stubouts should be properly covered with insulation. Internally mounted SIDE VIEW chilled water piping and valves are located over the drain pan and need not be insulated.
  • Page 17: Section Iii - Finishing Installation (All Models)

    Modular Hi-Rise Series Fan Coils INSTALLATION, OPERATION, & MAINTENANCE MANUAL SECTION III – Finishing Installation (All If the unit has been ordered with a supply air plenum, then each side of the unit has one supply air knockout as Models) well as a supply air knockout on the top of the unit (see Figures 21 and 22).
  • Page 18 Modular Hi-Rise Series Fan Coils Where space allows, power may be pulled directly through To repaint the factory-baked enamel, the finish should the side of the cabinet into the control section. be prepared by light sanding with #280 grit sand paper or #000 or #0000 fine steel wool.
  • Page 19: Section Iv - Start-Up (All Models)

    Modular Hi-Rise Series Fan Coils INSTALLATION, OPERATION, & MAINTENANCE MANUAL SECTION IV – Start-up (All Models) Cooling/Heating System Before beginning any start-up operation, the start-up Prior to the water system start-up and balancing, the chilled/ personnel should familiarize themselves with the unit,...
  • Page 20: Control Board Adjustment

    Clock-Wise . of order, while Medium and Low Speeds are set to defaults NOTE: For specific voltages adjustment please contact IEC based on High speed. Should airflow require adjustment factory representative. Potentiometer...
  • Page 21: Water Treatment

    After the entire system is balanced, these conditions will not exist IEC water coil tubes and headers are constructed of pure on properly designed systems. copper. Multiple brass alloys may be present in the valve package, depending on unit configuration.
  • Page 22: Section V - Routine Maintenance (All Models)

    Modular Hi-Rise Series Fan Coils SECTION V – Routine Maintenance (All Models) followed by cleaning with a vacuum cleaner. If a compressed air source is available, the coil may also be cleaned by Each unit on a job will have its own unique operating blowing air through the coil fins from the leaving air face.
  • Page 23: Filters, Throwaway

    Modular Hi-Rise Series Fan Coils INSTALLATION, OPERATION, & MAINTENANCE MANUAL Afterwards, all controls should be inspected regularly for with these types of filters are not compatible with the type proper operation. Some components may experience of fan coil unit covered in this manual. Consult the factory for erratic operation or failure due to age.
  • Page 24: Replacement Parts

    Modular Hi-Rise Series Fan Coils Replacement Parts Factory replacement parts should be used wherever possible to maintain unit performance, its normal operating characteristics, and the testing agency listings. Replacement parts may be purchased through a local sales representative. Should replacement parts not be purchased from the factory, use only parts duplicating the exact type, size, voltage, and other operating characteristics of the original part.
  • Page 25: Section Vi - Checklists

    Modular Hi-Rise Series Fan Coils INSTALLATION, OPERATION, & MAINTENANCE MANUAL SECTION VI – Checklists Unit Start-up  General visual unit and system inspection Receiving and Inspection  Check for proper fan rotation  Record electrical supply voltage Unit received undamaged ...
  • Page 26: 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 27 This page was intentionally left blank.
  • Page 28 IOM-051 Revision 9 (2/2018) ©2015 -2018 International Environmental Corporation (IEC) 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. IEC Catalog Part #: I100-90001407...

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