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Data Aire DAMW/G-1.5 User Manual

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MINI CEILING UNITS
Installation, Operation and
Maintenance Manual
Packaged Unit
Split System
Packa
g
ed Uni
t

Table of Contents

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Data Aire DAMW/G-1.5 Specifications

General IconGeneral
BrandData Aire
ModelDAMW/G-1.5
CategoryAir Conditioner
LanguageEnglish

Summary

Installation and Initial Setup

Room Considerations

Guidelines for room preparation to ensure optimal AC performance.

Unit Inspection

Procedures for checking the unit upon delivery for any shipping damage.

Unit Location

Guidance on proper placement of the unit for installation and access.

Unit Installation Details

Vertical Airflow Unit Mounting

Steps for mounting evaporator sections in T-bar ceilings.

Packaged Unit Condenser Attachment

Instructions for attaching condenser fan sections to packaged units.

Horizontal Airflow Unit Mounting

Mounting procedures for horizontal airflow unit evaporator sections.

Indoor Condenser Installation

Installation guidance for indoor condensers and condensing units.

Documentation Included

Details on essential documents shipped with the unit.

Equipment Storage Procedures

Recommendations for storing equipment before installation.

Model Identification System

Explanation of the model number coding system.

Piping and Refrigerant Lines

Split Air Cooled Piping Guide

General guidelines for sizing refrigerant lines for split systems.

Discharge Line Installation

Specifics on installing discharge lines, including traps and support.

Liquid Line Sizing and Velocity

Recommendations for liquid line pressure drop and velocity.

Suction Line Installation

Guidance on installing and insulating suction lines.

Air Cooled Connection Sizes

Table of refrigerant line sizes for air-cooled units.

Remote Condenser Piping Diagram

Diagram illustrating field piping for remote condensers.

Remote Condensing Unit Piping Diagram

Diagram showing field piping for remote condensing units.

Water/Glycol Unit Piping Guide

Instructions for installing water and glycol piping.

Water/Glycol Field Piping Diagram

Diagram for water/glycol system field piping.

Water/Glycol Connection Sizes

Table of connection sizes for water/glycol units.

Fluid Cooler Connection Sizes

Table of connection sizes for fluid coolers.

Chilled Water Coil Piping

Information on connecting auxiliary chilled water coils.

Condensate Drain Piping

Procedures for installing condensate drain lines.

Humidifier Piping

Details for piping optional humidifiers.

Leak Testing Procedures

Steps for thoroughly checking the system for leaks.

System Evacuation Process

Steps for evacuating the refrigerant system to a specific vacuum level.

Electrical System Connections

Electrical Service Requirements

Ensuring adequate electrical service and power source compatibility.

Nameplate Rating Interpretation

Understanding unit electrical requirements from the nameplate.

Grounding Essentials

Importance and procedure for proper unit grounding.

Voltage Tolerance Specifications

Acceptable supply voltage tolerances for unit operation.

Auxiliary Control Wiring Guide

Wiring instructions for remote heat exchangers and control circuits.

Remote Shutdown Functionality

How to wire a dry contact for remote unit shutdown.

Remote Alarm Contact Access

Details on accessing alarm contacts for DAP control panels.

Remote Sensor Installation

Information on optional remote sensors for control panels.

Condensate Pump Power Needs

Power source and wiring requirements for condensate pumps.

Remote Heat Exchanger Installation

Rigging and Lifting Procedures

Safe methods for rigging and lifting outdoor heat exchangers.

Leg Assembly and Mounting

Instructions for assembling and attaching legs to heat exchangers.

Heat Exchanger Location Criteria

Selecting an optimal location for remote heat exchangers.

Remote Unit Electrical Service

Electrical service details for remote units.

Air Cooled Condenser Operation

Information specific to DARC condensers and fan speed control.

Fluid Cooler Operation

Details on DAFC fluid coolers and thermostat control.

Fluid-Sensing Thermostats

Explanation of thermostats controlling fan operation in fluid coolers.

Energy Saver Cooling Explained

How energy saver cooling works and thermostat adjustments.

System Charging Procedures

Voltage and Phase Checks

Procedures for checking voltage phasing and blower rotation.

Secondary Heat Exchanger Checks

Operating checks for secondary heat exchangers.

Air Cooled System Charging Overview

General charging procedures for air-cooled systems.

Package Unit Charging Details

Charging guidelines for packaged air-cooled units.

Split Indoor Unit Charging

Detailed steps for charging split indoor air-cooled systems.

Fan Speed Control System Charging

Charging procedures for systems with remote condensers.

Flooded System Charging

Specifics on charging flooded systems, including receiver level.

Water/Glycol System Charging

Charging procedures for water/glycol cooled systems.

Water/Glycol Factory Charge Info

Reference to factory charge data for water/glycol units.

Refrigerant Handling and Safety

Guidelines for safe refrigerant handling and recovery.

Key Refrigeration Components

Overview of essential components like TXVs and pressure switches.

Glycol System Operations

Glycol Concentration Guidelines

Importance of glycol concentration for freeze protection.

Evaporator Internal Volume

Table of internal fluid volumes for evaporator models.

Fluid Cooler Internal Volume

Table listing internal volumes for fluid cooler models.

Copper Piping Internal Volume

Table of internal volumes for copper piping.

Glycol Freezing Point Data

Chart showing freezing points of glycol solutions.

Unit Control Systems

Standard Thermostat Operation

Description of the standard single-stage cooling thermostat.

Optional Programmable Thermostat

Information on optional programmable thermostats.

Mini DAP-II Control Panel Features

Details on the Mini DAP-II control panel and its manual.

Mini DAP-III Control Panel Features

Overview of the Mini DAP-III control panel and its manual.

DAP-III Remote Mount Panel Info

Information on the Remote Mount DAP-III control panel.

Wiring Diagram Interpretation Guide

Explanation of how to interpret wiring diagrams.

Routine Maintenance and Servicing

Air Filter Checks and Replacement

Procedures for maintaining air filters for efficient operation.

Belt Tension and Alignment

Guidelines for checking belt tension and alignment.

Bearing Lubrication Procedures

Maintenance for blower bearings, including lubrication.

Humidifier Canister Replacement

Maintenance for humidifiers, focusing on canister replacement.

Fuse Replacement Guidelines

Guidance on selecting and replacing fuses.

Heating Element Cleaning

Periodic cleaning of heating elements.

Refrigerant Filter Drier Replacement

When to replace the refrigerant filter drier.

Warranty Policy Overview

Company Contact Information

Recommended Line Sizing for Air Cooled Systems

Refrigerant Temperature-Pressure Chart

Superheat and Suction Pressure Troubleshooting

Maintenance and Inspection Checklist

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