What to do if my McQuay MRT is not cooling enough?
If your McQuay Air Conditioner isn't cooling sufficiently, it might be due to a dirty indoor or outdoor coil. Try cleaning the coil. Also check for any obstructions at the air inlet or outlet of the indoor or outdoor unit and remove them. It could also be caused by a refrigerant short charge or leakage, in which case you should add refrigerant and repair the leakage.
How to fix a McQuay Air Conditioner that won't turn on (no cooling/heating)?
If your McQuay Air Conditioner fails to start, it could be due to a faulty contactor, contacts or motor. Try changing the contactor or the contacts. You might also need to repair or change the motor.
Why McQuay Air Conditioner shows high side low side?
If your McQuay Air Conditioner is showing a high side low side issue, it could be due to: * An undercharge of refrigerant. * Refrigerant leakage. * A clogged or dirty air filter in the indoor unit. * A locked indoor fan (during cooling). * A defective defrost control causing outdoor coil freeze-up (during heating). * A locked outdoor fan (during heating).
General| Brand | McQuay |
|---|---|
| Model | MRT |
| Category | Air Conditioner |
| Language | English |
Lists model descriptions, generic names, and McQuay brand names for various units.
Provides conversion factors for capacity, pressure, flow rate, temperature, velocity, volume, and area.
Compares main boards with compatible handset models for various unit types.
Details operation of the G6 handset, including buttons and functions.
Explains the operation of the G7 handset and its various functions.
Provides operating instructions for the G11 handset and its features.
Covers the operation of the G17 handset, including button functions and modes.
Describes the operation of the GS01 handset, its modes, and functions.
Details the operation of the APJ1 handset, LCD display, and buttons.
Explains the operation of the SLM3 handset, including settings and modes.
Covers the operation of the SLM8 handset, its modes, and timer settings.
Describes the operation of the Sequential LCD controller, including modes and settings.
Explains the operation of Netware 3 and Netware 3C handsets and their differences.
Details the operation of the Rooftop Panel, including LCD display and buttons.
Explains the operation of the Chiller Panel, its display, and controls.
Provides operating instructions for the MC301 handset, including settings and clock.
Covers the operation of the MC303 handset, including address register and unit settings.
Explains how to configure auto random restart using jumpers.
Details the three available selections for hot keep function.
Covers dip switch settings for models selection, operating modes, and hot keep.
Explains jumper settings for valve and heat configuration in W1V3 units.
Details jumper configurations for operating modes in W2.0 units.
Describes hardware settings for SLM8 using jumpers for temp range and turbo/quiet.
Details components needed to convert U1.5 heatpump PCB to auxiliary heater application.
Explains how to convert Cooling Only and Heatpump models to Multi Split units.
Details differences and parts needed for converting U1.5 to L208A PCB.
Explains the conversion process from WMF U1.4 to L2EF PCB.
Details the conversion process for SQ board wiring up to 1000m.
Explains how to use the temperature sensor on Netware 3 as a room sensor.
Provides a table to diagnose faults based on LED light patterns for various models.
Lists error codes for different handset models and their faulty indications.
Details MDS diagnosis for indoor and outdoor units via LED indicators and wired controllers.
Provides general troubleshooting steps for common unit malfunctions.
Guides troubleshooting based on pressure readings (High/Low side).
Provides resistance values for sensors at different temperatures.
Shows compatibility between Indoor PCB, Wired Handset MC301, and Outdoor PCB.
Details dip switch settings for MDS outdoor units based on HP and PCB version.
Lists standard, optional, and maximum cable lengths for wired handsets.
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