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Daikin Maverick I MPSA12D User Manual

Daikin Maverick I MPSA12D
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Installation and Maintenance IM 971-3
Group: Controls
Part Number: IM 971
Date: October 2018
Maverick
®
I Commercial Package
Rooftop Systems
Heating and Cooling
Models MPSA07D – MPSA12D
7 through 12 Tons
R-410A Refrigerant
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Daikin Maverick I MPSA12D Specifications

General IconGeneral
BrandDaikin
ModelMaverick I MPSA12D
CategoryAir Conditioner
LanguageEnglish

Summary

INTRODUCTION

General Installation and Operation

General installation and operation instructions and precautions for the rooftop system.

Critical Safety Warnings

Crucial safety warnings and precautions for unit installation and operation.

Unit Receipt and Inspection

Instructions for inspecting the unit upon receipt for damage or correctness.

MECHANICAL INSTALLATION

Major Unit Components

Details the main components of the rooftop unit and its system.

Installation Standards and Codes

Covers installation standards, codes, and recommended NFPA publications for the unit.

Unit Location Considerations

Provides guidance on selecting an appropriate and safe location for unit installation.

Outdoor Installation Guidelines

Guidelines for installing the unit outdoors, considering drainage and snow.

Minimum Installation Clearances

Specifies minimum clearances required around the unit for proper performance and serviceability.

Rooftop Installation Requirements

Crucial instructions for installing the unit on a rooftop, emphasizing structural support.

Ductwork Installation Standards

Guidelines for designing and installing ductwork, including insulation and noise reduction.

HGRH System Operation Details

Explains the operation of the High-Gravity Reheat (HGRH) system for cooling and humidity control.

Gas Supply and Condensate Drain Connections

Covers gas supply piping requirements and condensate drain connections.

LP Gas Conversion Procedure

Outlines the procedure and safety precautions for converting the unit from natural gas to LP gas.

Condensate Drain Installation

Instructions for installing the condensate trap and ensuring proper drainage.

ELECTRICAL INSTALLATION

Power Supply and Wiring Requirements

Covers power supply requirements, voltage checks, and branch circuit disconnect location.

Unit Hook-Up and Internal Wiring

Instructions on how to wire the unit, referring to diagrams and location of entrances.

Thermostat Selection and Wiring

Guidelines for selecting and wiring compatible thermostats, including factory options.

PHYSICAL DATA

Unit Capacity and Physical Specifications

Presents comprehensive data on unit capacities, airflow, and physical specifications.

Compressor and Motor Electrical Data

Details the specifications and ratings for compressor and condenser motors across different models.

MCA and MCOP Values

Lists Minimum Circuit Ampacity (MCA) and Maximum Overcurrent Protection (MCOP) for various voltages.

Auxiliary Heater Kit Specifications

Provides characteristics and application data for auxiliary heater kits at 480V, 3-phase.

DIMENSIONAL DATA

Unit Overall Dimensions

Illustrates the physical dimensions of the unit, including length, width, and height.

Duct and Curb Dimensions

Provides dimensions for duct connections and roof curb installation.

PERFORMANCE DATA

Airflow Performance Charts

Presents airflow performance data across various external static pressures and RPMs for MPS 007D.

Airflow Correction Factors

Provides correction factors to adjust performance based on airflow and operating conditions.

Component Air Resistance Values

Lists air resistance values for components like wet coil and economizer damper.

ACCESSORIES

Accessory Weights and Types

Lists available accessories for the unit, including their weights and part numbers.

Non-DDC Downflow Economizer Installation

Details the features and installation of non-DDC economizers for downflow duct applications.

Non-DDC Horizontal Economizer Installation

Details the features and installation of non-DDC economizers for horizontal duct applications.

DDC Downflow Economizer Installation

Details the features and installation of DDC economizers for downflow duct applications.

DDC Horizontal Economizer Installation

Details the features and installation of DDC economizers for horizontal duct applications.

Fresh Air Dampers and Power Exhaust Kits

Describes power exhaust kits for economizers and their components.

Motorized Fresh Air Damper Kits

Describes features of motorized fresh air damper kits for DDC and modulating applications.

Non-Motorized Fresh Air Damper Kits

Details features of non-motorized fresh air damper kits, suitable for downflow and horizontal applications.

Roof Curb Installation Details

Provides information on full perimeter roof curb accessories for 7-12 ton units.

CONTROLS AND OPERATION

Furnace Controls and Ignition System

Details the two-stage integrated direct spark ignition control and its operation.

Normal Heating Operation Sequences

Describes the normal sequence of operation for the furnace in heating modes.

Furnace Startup and Shutdown Procedures

Step-by-step instructions for safely starting up and shutting down the furnace section.

Manual Reset Over-Temperature Control

Explains the function of manual reset over-temperature controls and safety warnings.

Pressure and Limit Control Functions

Explains pressure switches, limit controls, and associated safety warnings.

MAINTENANCE

General Unit Maintenance Advice

Provides general advice for unit care, including filter changes and keeping the area clear.

Furnace Section Cleaning Procedures

Details safety warnings and procedures for servicing the furnace section, including cleaning.

Cooling Section Inspection and Cleaning

Recommends inspection and cleaning of evaporator and condenser coils and associated components.

System Charging Charts (7.5 Ton AC)

Provides charging charts for 7.5 Ton AC units based on vapor pressure and outdoor ambient.

TROUBLESHOOTING

Cooling System Troubleshooting Chart

A chart detailing symptoms, possible causes, and remedies for common cooling system issues.

Furnace Troubleshooting Flowchart

A flowchart to diagnose and resolve furnace heating problems, starting from the thermostat call.

WARRANTY AND PARTS

Replacement Parts Locator

Guidance on locating and obtaining Daikin certified replacement parts through the Parts Locator.

Warranty Terms and Details

Information on warranty terms and how to find local representatives for warranty details.

Daikin Applied Training Resources

Information on training resources available for Daikin equipment.

Aftermarket Services Information

Information on finding local parts and service offices and obtaining up-to-date product information.

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