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Daikin RoofPak RDT Series User Manual

Daikin RoofPak RDT Series
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Installation and Maintenance Manual IM 926-3
Group: Applied Air Systems
Part Number: IM 926
Date: October 2018
RoofPak
®
Roof Mounted
Singlezone Heating and Cooling Units
RPS/RDT/RFS/RCS
Models 015C–105C
with MicroTech
®
III Unit Controllers

Table of Contents

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Daikin RoofPak RDT Series Specifications

General IconGeneral
BrandDaikin
ModelRoofPak RDT Series
CategoryAir Conditioner
LanguageEnglish

Summary

Introduction

Hazard Identification and Unit Description

Hazard Identification Information

Critical safety warnings and cautions for equipment operation and servicing.

Mechanical Installation

Unit Clearances

Recommendations for service and ventilation clearances around the unit.

Roof Curb Assembly and Installation

Instructions for assembling and installing the roof curb for unit mounting.

IBC Seismic Compliant Units

Guidelines for seismic compliant unit installations using roof curbs or post/rail setups.

Post and Rail Arrangement

Instructions for mounting units using post and rail arrangements.

Rigging and Handling

Safety precautions and procedures for rigging and handling the unit.

Reassembly of Split Units

Procedures for reassembling Daikin rooftop units that were factory-split.

RPS/RDT Factory Split at Condensing Unit

Steps for reassembling units split at the condensing section.

RFS/RCS Permanent Split Systems

Recommendations for field piping, wiring, and procedures for split systems.

Piping Recommendations

Guidelines for refrigerant piping techniques and sizing for reliable system operation.

Holding Charge, Leak Testing, and Evacuation

Procedures for managing holding charge, leak testing, and system evacuation.

Charging the System

Detailed steps for properly charging the refrigeration system with refrigerant.

Ductwork

Guidelines for installing ductwork, including flexible connections and design.

Electrical Installation

Field Power Wiring

Instructions and guidelines for field power wiring connections to the unit.

All RPS, RFS, and RDT

Details on internal power wiring for single/dual point connections in RPS, RFS, RDT units.

RCS Units

Information on field power wiring connections for RCS units.

Field Control Wiring

Instructions for field control wiring connections, including low voltage wiring.

RPS, RDT, and RFS Units

Details on field control wiring connections for RPS, RDT, and RFS units.

RFS/RCS Units

Information on control wiring interconnections between RFS and RCS units.

Sequences of Operation

MicroTech III Controller Operation

Using the Keypad/Display

Guide to navigating and using the keypad/display interface.

Wiring Diagrams

Legend

Explanation of symbols and abbreviations used in wiring diagrams.

Check, Test, and Start Procedures

Before Start-Up

Pre-start-up checks to ensure proper installation and readiness.

Scroll Compressor Rotational Direction

Procedure to verify correct rotational direction of scroll compressors.

Expansion Valve Superheat Adjustment

Instructions for adjusting expansion valve superheat for optimal system performance.

Final Control Settings

Steps for setting final control parameters for normal unit operation.

Maintenance and Service

Servicing Control Panel Components

Safety precautions for servicing control panel components.

Planned Maintenance

Routine maintenance schedule and items for ensuring system reliability.

Refrigerant Charge

Information on refrigerant charge, sensors, switches, and leaks.

Troubleshooting Pressure Transducers

Steps for troubleshooting suspect pressure sensors and transducers.

Service and Warranty Procedure

Limited Product Warranty (North America)

Exceptions

Conditions and exclusions that are not covered by the product warranty.

Sole Remedy

Statement of the owner's sole remedy and limitations of liability.

Rooftop Equipment Warranty Registration

Rooftop Equipment Warranty Registration Form

The form required to register the product for warranty compliance.

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