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McQuay MCC 010C/CR - User Manual

McQuay MCC 010C/CR
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Your Climate. We're There.
TM: MCC-CR-2200B
Ceiling Concealed
Fan Coil Unit
Models:MCC 010C/CR
MCC 015C/CR
MCC 020C/CR
MCC 025C/CR
MCC 030C/CR
MCC 040C/CR
MCC 050C/CR
MCC 060C/CR
REGISTERED
®
Air Conditioning

Table of Contents

Questions and Answers

  • C
    cartersarahAug 13, 2025
    Why is my McQuay MCC 010C/CR Fan making so much noise?
    • T
      Thomas CarterAug 13, 2025
      Noisy operation in your McQuay Fan can stem from several causes. It could be due to unremoved shipping bolts, which you can address by removing them. Alternatively, overcharged refrigerant might be the issue, requiring you to purge the refrigerant. Other potential causes include liquid refrigerant low suction pressure backing up, worn compressor parts, an evaporator noisy knocking runner fan, a worn bearing, a strainer whistling liquid line noisy partially clogged, loose fixed screws, or inadequate duct work.
  • M
    mary12Aug 17, 2025
    What to do if McQuay air conditioning unit does not work?
    • T
      Tracy AllisonAug 17, 2025
      If your McQuay air conditioning unit isn't working, start by checking the power plug to ensure it's properly connected. It could be a simple power failure, a blown fuse, or a disconnected plug. A programming error in the controller could also be the reason. If these steps don't resolve the issue, contact your installer.
  • J
    Juan BuchananAug 21, 2025
    Why is my McQuay air conditioning unit not cooling enough?
    • M
      Melanie Boyd MDAug 21, 2025
      Insufficient cooling in your McQuay air conditioning unit may be due to excessive heat sources in the room, such as an electric kettle. An overcrowded room or open windows and doors can also contribute to this issue.
  • D
    diane25Aug 25, 2025
    What to do if my McQuay remote control light is deficient?
    • K
      Kristy RiveraAug 25, 2025
      If the remote control light for your McQuay unit is weak, the batteries may be discharged, so replace them. Also, check if the batteries are correctly inserted. Finally, ensure proper assembly of the remote control.
  • M
    morserobertAug 28, 2025
    Why does my McQuay air conditioning unit not blow sufficiently?
    • V
      victoria69Aug 29, 2025
      Your McQuay air conditioning unit might not be blowing sufficiently due to a dirty air filter, open doors or windows, clogged air entrance and exit, or a regulate temperature that is not high enough.
  • C
    Cassandra JohnsonSep 1, 2025
    Why does my McQuay air discharge flow have a bad odor?
    • B
      Brian WoodSep 1, 2025
      A bad odor from your McQuay unit's air discharge can be caused by cigarette smoke particles, perfume, or sweat stuck to the coil. Check for moisture on walls or garments. Also, check the drain pan.
  • R
    Ryan MorganSep 5, 2025
    Why is there condensation on the air grille of my McQuay indoor unit?
    • A
      aaron92Sep 5, 2025
      Condensation on the air grille of your McQuay indoor unit is typically due to air humidity after prolonged operation or the unit operating at a lower temperature point. To resolve this, increase the temperature point and operate the unit at high speed.
  • L
    Laura AndersonSep 8, 2025
    What to do if McQuay MCC 010C/CR does not work 3 minutes after starting?
    • W
      wmooreSep 9, 2025
      If your McQuay Fan doesn't start immediately, it might be due to a protection against frequent starting. Wait 3 to 4 minutes, and it should begin working.

Summary

Outlines and dimensions

Indoor Unit Dimensions

Provides detailed dimensions and diagrams for the indoor unit models.

Outdoor Unit Dimensions

Wiring Diagrams

General Wiring Diagrams

Electrical schematics for various MCC/MLC/M4LC model series.

U1.4 Control Wiring Diagrams

Electrical schematics for models with SLM control U1.4.

Attachment 60 Hz Outdoor Unit

3 Phase for 2 & 3 HP Outdoor Unit

High Ambient Unit Outdoor Unit

Outdoor Unit

Low Ambient Unit (Optional) Outdoor Unit

Special precautions for R407 C

R407 C Unit Handling Precautions

Essential safety and handling guidelines for working with R407C refrigerant.

Installation

Indoor Unit Installation

Piping and Electrical Connections

Outdoor unit

Installation Clearance

Operation

Vacuuming and Charging

Procedures for vacuuming the system and charging with refrigerant.

Additional Refrigerant Charge

Standard Operating Condition

Operating State and Fault Tables

Remote Control Operation Guide

Servicing and Maintenance

Maintenance Procedures and Schedule

Routine maintenance tasks and recommended schedules for various components.

Troubleshooting

Faults and Causes

Lists common faults with their probable causes and simple troubleshooting tips.

Diagnosis By Flow Chart

No Cooling Diagnosis

Troubleshooting flowchart for diagnosing "No Cooling" issues with fan-coil units.

Insufficient Cooling Diagnosis

Flowchart for diagnosing "Insufficient Cooling" based on pressure and airflow.

High Discharge Pressure Issues

Troubleshooting steps for conditions related to high discharge pressure.

Low Discharge Pressure Issues

Troubleshooting steps for conditions related to low discharge pressure.

High Suction Pressure Issues

Troubleshooting steps for conditions related to high suction pressure.

Low Suction Pressure Issues

Troubleshooting steps for conditions related to low suction pressure.

Noisy Operation Diagnosis

Troubleshooting guide for identifying and resolving noisy operation issues.

For Heat Pump Models

Pressure Readings Diagnosis

Table relating pressure readings to probable causes for heat pump models.

Diagnosis Flow Chart

Flowcharts for diagnosing electrical faults and refrigerant circuit issues.

McQuay MCC 010C/CR Specifications

General IconGeneral
BrandMcQuay
ModelMCC 010C/CR
CategoryFan
LanguageEnglish

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