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Modular Hi-Rise Replacement Series – MIY

INSTALLATION, OPERATION, & MAINTENANCE MANUAL

3

Table of Contents

 

20

 

Water Treatment

 

20

 

Water System Balancing

 

20

 

Controls Operation

SECTION FIVE — Routine Maintenance

 

21

 

Motor/Blower Assembly

 

21

 

Coils

 

22

 

Electric Resistance Heater Assembly

 

22

 

Electrical Wiring and Controls

 

22

 

Valves and Piping

 

23

 

Filters, Throwaway (including MERV)

 23 

Filters, Permanent

 

23

 

Drain

 

24

 

Replacement Parts

SECTION SIX — Checklists

 

25

 

Receiving and Inspection

 

25

 

Handling and Installation

 

25

 

Cooling/Heating Connections

 

25

 

Ductwork Connections

 

25

 

Electrical Conditions

 

25

 

Unit Start-Up

 

25

 

Recommended Spare Parts 

 

  (per 10 units)

 

26

 

Terms and Conditions

 2

 

Warnings and Cautions

 SECTION ONE — Receipt, Unpacking, &  

 

 

Inspection

 4

 

Receipt

 4

 

Unpacking and Inspection

 5

 

Handling

 6

 

Potential Unit Configurations

 7

 

Special Arrangment Options

SECTION TWO — Product Line Specific  

 

 

Demolition & Installation

 

10

 

Demolition, Step-by-Step Guide

 

11

 

Installation

 

14

 

Riser to Unit Installation

 14

 

Riser to Drain Installation

 

SECTION THREE — Finishing Installation

 

15

 

Grille/Ductwork Installation

 

15

 

Electrical Connections

 

16

 

Exposed Unit Touch-up and  

 

 Repainting

SECTION FOUR — Start-Up

 

16

 

Operating Conditions

 

17

 

Cooling/Heating System

 

17

 

Air System Balancing

 

17

 

ECM Blower

 

18

 

Motor Control Voltage – 3-Speed  

 

  Relay Board – Factory Settings

 

19

 

Motor Control Voltage – Proportional/  

 

  Analog Thermostat Settings

Summary of Contents for miniReStoramod

Page 1: ...Build Your Reputation on Ours Modular Hi Rise Replacement Series MIY INSTALLATION OPERATION MAINTENANCE MANUAL miniReStoramod ...

Page 2: ...ndependently In addition some systems may require repeated venting over a period of time to properly eliminate air from the system 15 Failure to provide proper water quality will void the fan coil unit s warranty 1 No attempt should be made to handle install or service any unit without following safe practices regarding mechanical equipment 2 WARNING Wear eye hand and limb protection at all times ...

Page 3: ...Start Up 25 Recommended Spare Parts per 10 units 26 Terms and Conditions 2 Warnings and Cautions SECTION ONE Receipt Unpacking Inspection 4 Receipt 4 Unpacking and Inspection 5 Handling 6 Potential Unit Configurations 7 Special Arrangment Options SECTION TWO Product Line Specific Demolition Installation 10 Demolition Step by Step Guide 11 Installation 14 Riser to Unit Installation 14 Riser to Drai...

Page 4: ... inert fluid or gas such as clear water or dry nitrogen to avoid possible damage or injury in the event of a leak or component failure during testing Always protect adjacent flammable material when welding or soldering Use a suitable heat shield material to contain sparks or drops of solder Have a fire extinguisher readily available The manufacturer assumes no responsibility for personal injury or...

Page 5: ... that no force or pressure be applied to the coil or piping during handling Depending on the options and accessories some units could contain delicate components that may be damaged by improper handling Lifting or supporting the cabinet only at the top and bottom should be avoided to maintain the straight and square cabinet alignment The equipment covered in this manual IS NOT suitable for outdoor...

Page 6: ...t Sup 90 90 HS D CR CS HR HS HR CR D CS H1 H1 HS HR CR D CS H1 Sup Ret Ret Sup 90 90 Sup Ret HS D CR CS HR S1 Sup Ret S1 S1 HS HR CR D CS Sup Ret HS HR CR D CS Ret Sup 90 90 HS D CR CS HR Single side and Top Supply Top Supply Only HS HR CR D CS C2 Sup Ret Supply Ret Sup HS HR CR D CS C2 Ret Sup Sup 90 90 C2 Sup HS D CR CS HR HS HR CR D CS HS HR CR D CS M2 Sup Ret Ret Sup Sup Supply M2 M2 Supply 90...

Page 7: ...t Sup Ret Sup 90 HS D CR CS HR 90 HS HR CR D CS Q1 HS HR CR D CS Q1 Q1 90 HS D CR CS HR 90 Sup Ret Ret Sup Sup Ret HS HR CR D CS E2 HS HR CR D CS E2 E2 Ret Sup Ret Sup Ret Sup 90 HS D CR CS HR 90 E2 Supply Supply Supply HS HR CR D CS F2 HS HR CR D CS F2 F2 Ret Sup Ret Sup Ret Sup 90 HS D CR CS HR 90 Supply Supply Supply HS HR CR D CS J2 HS HR CR D CS J2 J2 Ret Sup Ret Sup Ret Sup 90 HS D CR CS HR ...

Page 8: ... Ret Sup K2 K2 90 90 Sup Ret HS D CR CS HR Sup Sup Sup HS HR CR D CS P2 HS HR CR D CS P2 P2 90 HS D CR CS HR 90 Sup Ret Ret Sup Sup Ret Sup Sup Sup Sup Ret HS HR CR D CS Q2 Sup Ret HS HR CR D CS Q2 Q2 90 90 Ret Sup HS D CR CS HR Sup Sup Sup Sup Ret HS HR CR D CS T2 Sup Ret HS HR CR D CS T2 T2 90 90 Ret Sup HS D CR CS HR Sup Sup Sup Double side and Top Supply HS HR CR D CS B3 HS HR CR D CS B3 B3 Su...

Page 9: ...t IEC for pricing and availability 2 Any special suply return arrangement may affect sound and performance 3 Risers pictured are shown for reference purposes only and adhere to the IEC standard convention 4 MRY MIY equipment is designed to use existing risers so risers are typically not sold with these models 5 Riser supply return configurations and temperatures should be labeled prior to demoliti...

Page 10: ...placement will be 81 5 x 15 5 on most original units although every application may vary 4 Carefully cut drywall at outer edges of unit along penciled outline removing drywall from the floor to the top of existing fan coil unit to expose the entire front face 5 Cut and remove the upper front steel cabinet panel flush with the sidewall of the existing unit 6 Cut copper supply and return pipes with ...

Page 11: ...of the new unit appropriate height and side orientation 7 Thoroughly check the old unit chassis and drywall cuts for any irregularities or protrusions that would prevent the new unit from sliding in seating and properly leveled 8 Attach the louvered deco panel frame onto the new slip in replacement chassis Be sure to remove the lower shipping brace bar from the deco frame before it is installed 9 ...

Page 12: ... that no leaks are present 18 Purge water coils of air after isolation valves are opened to allow flow All models come with a manual air vent at minimum 19 Seal any remaining chassis openings as well as possible to minimize air leakage that would adversely affect unit performance 20 Make all high voltage electrical connections followed by low voltage connections 21 Reconnect electrical service at ...

Page 13: ...ansition Panel 25 Attach the louvered return air deco panel to the new chassis using both of the 5 16 hex cam locks 26 Installation complete Clean up work area Submittals and product literature detailing unit operation controls and connections should be thoroughly reviewed BEFORE beginning the connection and testing of risers and piping To assure optimal unit performance the supply connection s ar...

Page 14: ...le Connection point to any factory furnished and installed components Coil Figure 9 Back up Wrench Ball Valve Wrench Swivel Connection Riser to Drain Installation Figure 10 Drain Pan Drain Clamp Clamp Riser Knockout Unit Insulation P Trap Unit Wall Riser Riser Stubout 1 After the applicable Supply Return and Drain pipe knockouts have been removed carefully position the unit so that the riser ball ...

Page 15: ... When testing with air or some other gas it might be necessary to tighten stem packing nuts on some valves to maintain air pressure in the riser Pressure testing risers with water should be done with the unit service valves closed to prevent flushing debris into the unit valve packages All leaks should be repaired before proceeding with the unit installation 13 After system integrity has been esta...

Page 16: ... paint product stores It should be noted that the more conscientiously this preparation is done the more effective it will be After this preparation is accomplished the factory finish should provide excellent adhesion for a variety of air dried top coats Enamel will give a more durable higher gloss finish while latex will not adhere as well and will give a dull softer finish Factory aerosol touch ...

Page 17: ... up operations Air System Balancing All duct stubs grilles filters and return access panels must be properly installed to establish actual system operating conditions BEFORE beginning air balancing operations Each individual unit and the attached ductwork is a unique system with its own operating characteristics For this reason air balancing is normally done by balance specialists who are familiar...

Page 18: ...lues will typically result in higher sound power values than what are published by the manufacturer 4 Pleasae contact the Factory for special CFM or external static pressure applications Unit Model of Coil Rows Unit Voltage Pot Board Settings VDC Values 0 ESP CFM Values 0 ESP High Medium Low High Medium Low MIY04 3 120V 1 60 6 37 5 29 3 65 386 303 203 MIY04 4 120V 1 60 6 28 5 21 3 63 380 301 202 M...

Page 19: ... result in higher sound power values than what are published by the manufacturer 4 Please contact the Factory for special CFM or external static pressure applications Unit Model and Size Total of Coil Rows Unit Voltage V PH Hz Proportional Analog T stat Fan Speed Limits VDC Tested CFM values at 0 ESP Max Min High Low MIY04 3 120V 1 60 6 37 3 65 386 203 MIY04 4 120V 1 60 6 28 3 63 380 202 MIY04 5 1...

Page 20: ...cing technique may vary from one system to another After the proper system operation is established the appropriate system operating conditions such as various water temperatures and flow rates should be recorded in a convenient place for future reference Before and during water system balancing conditions may exist due to incorrect system pressures which may result in noticeable water noise or un...

Page 21: ...ield lubrication is required Figure 13 Motor Blower Slide Out A Disconnect Plugs B Internal Circuit Breaker Should the assembly require more extensive service it is designed to slide out of the unit and be removed from the unit if necessary by disconnecting plugs see A shown in Figure 13 Remember to turn off the power to the unit and lockout the internal circuit breaker of the unit see B also show...

Page 22: ...components and wiring of the unit This may vary from unit to unit Consult the wiring diagram attached to the unit for the actual type and number of controls provided on each unit The wiring diagram is affixed to the acoustical RA block off panel inside the unit It is visible when the return air panel is removed The wiring and controls are accessible through the flip down control box door see Figur...

Page 23: ... discarded when dirty The optional factory permanent filter may be cleaned in hot soapy water to remove any trapped dirt It should then be set aside on edge to dry Before replacing the filter in the unit it should be recharged with some type of entrapment film such as Film Cor Recharging Oil The filter should be sprayed on both sides or submerged in the film to assure complete coverage The filter ...

Page 24: ...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 prov...

Page 25: ... diagram Incoming power service or services are connected Install and connect furnish only parts which have not been factory installed Unit Start Up General visual unit and system inspection Check for proper fan rotation Record electrical supply voltage Check all wiring for secure connections Close all unit isolation valves Flush water systems Fill systems with water refrigerant Vent water systems...

Page 26: ... In the event of a breach of the Limited Express Warranty IEC will only be obligated at IEC s option to repair the failed part or unit or to furnish a new or rebuilt part or unit in exchange for the part or unit which has failed If after written notice to IEC s factory in Oklahoma City Oklahoma of each defect malfunction or other failure and a reasonable number of attempts by IEC to correct the de...

Page 27: ...Modular Hi Rise Replacement Series MIY INSTALLATION OPERATION MAINTENANCE MANUAL 27 This page intentionally left blank ...

Page 28: ...ies MIY 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 IEC Part Number I100 90023660 IOM 056 Revision 9 9 2020 2016 2020 International Environmental Corporation IEC ...

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