Daikin Maverick I MPS A05C User Manual

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Installation and Maintenance Manual IM 970-2

Group: Applied Air Handling

Part Number: 920102421-20

Date: May 2017

Maverick

®

I

Heating & Cooling

Models MPSA03 – A05, 14 SEER

Models MPSH03 – H05, 15 SEER

3 to 5 Tons

R-410A Refrigerant

Table of Contents

Questions and Answers:

A
Amy WilliamsAug 8, 2025
Why is my Daikin Maverick I MPS A05C unit not running?
- K
  katrinafrazierAug 8, 2025
  Your Daikin Air Conditioner might not be running due to several reasons: * The power could be off, or there might be a loose electrical connection. Check for the correct voltage at the compressor contactor in the control box. * The thermostat might be out of calibration or set too high. Try resetting it. * A contactor could have failed. Check for 24 volts at the contactor coil; replace it if the contacts are open. * Blown fuses or a defective transformer could be the issue. Replace the fuses. * The high-pressure control might be open (if provided). Check the wiring, replace the transformer, and reset. Note that the high-pressure control opens at 450 PSIG. * The low voltage wiring may be damaged. Replace the thermostat wiring.
I
icarterAug 19, 2025
What to do if my Daikin Air Conditioner has insufficient cooling?
- A
  Alyssa RayAug 19, 2025
  If your Daikin Air Conditioner isn't cooling enough, consider these potential causes: * The unit may be improperly sized. Recalculate the load. * There might be improper airflow. Check that it's approximately 400 CFM per ton. * The refrigerant charge could be incorrect. Charge it according to the procedure attached to the unit's service panel. * There may be air, non-condensables, or moisture in the system. Recover the refrigerant, evacuate, and recharge, adding a filter drier. * The voltage might be incorrect. Ensure the voltage at the compressor terminals is within 10% of the rating plate volts when the unit is operating.
M
Martin FletcherAug 28, 2025
What to do if the condenser fan runs, but the compressor doesn’t, in my Daikin Maverick I MPS A05C?
- M
  Ms. Yolanda JohnsonAug 28, 2025
  If the condenser fan in your Daikin Air Conditioner is running but the compressor isn’t, here are a few things to check: * There might be a loose connection. Check for the correct voltage at the compressor and tighten all connections. * The compressor could be stuck, grounded, have an open motor winding, or an open internal overload. Wait at least 2 hours for the overload to reset. If it's still open, replace the compressor. * There could be a low voltage condition. At the compressor terminals, the voltage must be within 10% of the rating plate volts when the unit is operating. You can also add start kit components.

Daikin Maverick I MPS A05C Specifications

General

Brand	Daikin
Model	Maverick I MPS A05C
Category	Air Conditioner
Language	English

Summary

Introduction

Hazardous Information Messages

Critical safety warnings regarding unauthorized components, combustion, and installation location.

Mechanical Installation

Pre-Installation Check-Points

Location Considerations

Guidance on selecting an appropriate installation location to ensure proper operation and longevity.

Outside Slab Installation

Specific instructions for installing the unit on an outdoor slab.

Clearances

Ductwork

Rigging and Roof Curb

Instructions and details for rigging the unit and installing roof curbs.

Gas Supply, Condensate Drain and Piping

Procedures for connecting gas supply, condensate drain, and piping, including safety precautions.

LP Conversion

Adjusting or Checking Furnace Input

Procedures for adjusting and checking furnace input pressure and flow rates.

Electrical Installation

Power Supply

Safety precautions and procedures for connecting the unit's power supply.

Customer Supplied Thermostat

Wiring Diagrams

Wiring Diagram: MPS A03C to A04C with Gas Heat

Wiring Diagram: MPS A05C, 208-230/460V, 3Ø, Gas Heat

Wiring Diagram: MPS A03C to A05C, 208-230/460V, 3Ø, Cooling Only

Wiring Diagram: MPS A05C with Gas Heat, 208/230 Volt, Belt Drive

Wiring Diagram: MPS A05C with Gas Heat, 208/230 Volt, Direct Drive

Wiring Diagram: MPS A05C with Gas Heat, 460 Volt, Belt Drive

Physical Data

Unit Capacity and Physical Data

Detailed specifications for cooling and heating performance and physical attributes.

MPS H03C – H05C, High Efficiency

Motor Data

MCA and MCOP Data

Dimensional Data

Unit Dimensions MPS A03C – A05C

Detailed physical dimensions and access locations for MPS A03C-A05C units.

Performance Data

System Performance – Standard Efficiency

Gross system performance data for standard efficiency models under various conditions.

MPS A04C, 4 Tons Gas Heat Performance

Gross system performance data for MPS A04C 4-ton units with gas heat.

MPS A05C, 5 Tons Gas Heat Performance

Gross system performance data for MPS A05C 5-ton units with gas heat.

System Performance – High Efficiency

Gross system performance data for high efficiency models under various conditions.

MPS H04C, 4 Tons Gas Heat Performance

Gross system performance data for MPS H04C 4-ton units with gas heat.

MPS H05C, 5 Tons Gas Heat Performance

Gross system performance data for MPS H05C 5-ton units with gas heat.

Airflow Performance

Airflow performance data for MPS A03C-A05C models at different static pressures.

Airflow Performance - 3 Ton

Airflow performance data for 3-ton models at various voltages and static pressures.

Airflow Performance - 4 Ton

Airflow Performance - 5 Ton

Accessories

Accessory Weights

Economizers

Features and types of economizers available for 3-5 Ton units.

Fresh Air Dampers and Power Exhaust

Roof Curbs

Controls and Operation

Furnace Section Controls and Ignition System

Description of the integrated direct spark ignition control and operating sequence.

Operating Instructions

General operating instructions, including safety warnings for gas leaks.

To Start The Furnace

To Shut Down Furnace

Manual Reset Overtemperature Control

Dehumidification Control

Maintenance

Unit Maintenance

Furnace Section

Cooling Section

Cleaning Condenser Coil, Condenser Fan, Circulation Air Blower and Venturi

System Charge Charts

Charts for determining the correct refrigerant charge for MPS A03C cooling.

System Charge Chart: MPS A04C Cooling

System Charge Chart: MPS A05C Cooling

Blower Motor Speed Taps

Instructions for changing blower motor speeds using speed tap blocks.

Speed Tap Examples

Troubleshooting

Cooling Troubleshooting Chart

Table of common cooling system symptoms, possible causes, and recommended remedies.

Furnace Troubleshooting Guide

Flowchart to diagnose issues related to the furnace ignition and operation.

Furnace Troubleshooting Guide Continued

Continuation of the furnace troubleshooting guide, covering burner and system operation.

Warranty

Replacement Parts

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