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Daikin DPS020 User Manual

Daikin DPS020
122 pages
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3–6 tons
7–15 tons
Shown with Energy Recovery
16–28 tons
Shown with Energy Recovery
Installation and Maintenance Manual IM 1125-7
Group: Applied Air Systems
Part Number: IM 1125
Date: November 2015
Rebel
Commercial Packaged
Rooftop Systems
Heating and Cooling
Models DPS003 – 028A
R-410A Refrigerant
MicroTech
®
III Unit Controller
Energy Recovery Wheel

Table of Contents

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Daikin DPS020 Specifications

General IconGeneral
BrandDaikin
ModelDPS020
CategoryAir Conditioner
LanguageEnglish

Summary

Mechanical Installation

Installer Responsibilities

Outlines installer duties and compliance with codes and regulations.

Mechanical Installation

Rigging and Handling

Safety precautions and procedures for rigging and handling the unit.

Electrical Installation

Electrostatic Discharge (ESD)

Precautions to prevent ESD damage to electronic components during inspection or repair.

Electrical Installation

Refrigeration System

Heating

Explains the unit's heating mode of operation based on control and setpoint temperatures.

Low/High Discharge Superheat

Discusses monitoring and controlling discharge superheat for VFD compressors.

Refrigeration System

VFD Compressor Operation – DPS 016–028

Details the operation of VFD compressors in DPS 016–028 units.

Refrigeration System

VFD Compressor Control

How VFD compressor control is accomplished via digital output and analog signals.

Oil Balance/Boost Operational Sequence

Describes the sequences for maintaining oil level in VFD compressor sumps.

Refrigeration System

VFD Compressor Protection Unloading Control

Explains control functions that protect the VFD compressor from abnormal conditions.

VFD Compressor Emergency Stop Control

Describes the emergency stop control for VFD compressors.

Variable Frequency Drive for VFD Compressor

Information on the VFD compressor drive and its settings.

High Pressure Unloading Control

Details how high pressure unloading control reduces compressor speed.

Optional Modulating Hot Gas Reheat

Modulating Hot Gas Reheat

Describes the reheat coil option and its function in controlling leaving air temperature.

Optional Modulating Hot Gas Reheat

Optional Electric Heat

Electric Heater Design

Describes the design of the electric heat option, including safeties and controls.

Optional Gas Heat

DPS 016–028 Gas Pipe Manifold Pressure Adjustment

Procedures for adjusting gas pipe manifold pressure for staged and modulating furnaces.

Start-Up Procedures

General procedures for starting up the unit.

DPS 003–015 (only) Ignition Control Module for Modulating Gas Furnace

Details on the ignition control module for modulating furnaces.

DPS 003–015 (only) Gas Furnace Ignition and Control Troubleshooting

Troubleshooting guide for gas furnace ignition and control.

Before Start-Up

Pre-start checks for the furnace.

Gas Furnace Design

Details the design of the gas heat furnace, including components and safety switches.

VB-1200 Trouble Shooting Guide

Troubleshooting guide for the VB-1200 controller.

Optional Gas Heat

DPS 003–015 Sequence of Operation

Details the sequence of operation for staged and modulating gas furnaces.

Optional Gas Heat

Operating Procedures

Step-by-step procedures for operating the unit.

DPS 003–015 (only) Ignition Control Module for Staged Gas Furnace

Details on the ignition control module for staged furnaces.

Optional Gas Heat

DPS 016–028 Sequence of Operation

Details the sequence of operation for staged and modulating gas furnaces.

Optional Hot Water Heat

Hot Water Heater Design

Describes the design of hot water heater coils, including freeze protection.

Optional Energy Recovery Wheel

Variable Speed Frequency Control

How the VFD controls enthalpy wheel speed for frost protection.

Optional Energy Recovery Wheel

Frost Protection Option

Options for frost protection during cold winter conditions.

Optional Outdoor Air Monitor

ECM Motor

ECM Motor

Unit Options

Sequence of Operation

Mechanical Cooling

Explains how mechanical cooling operates based on temperature and setpoints.

Economizer

How the economizer functions as the first stage of cooling when enabled.

Heating (Electric Resistance, Gas Furnace, or Hot Water Heat)

Explains heating mode control based on temperature and setpoint.

Preparing the Unit for Start Up

Pre-Start of Unit

Essential steps and precautions before starting the unit.

Preparing the Unit for Start Up

Servicing Control Panel Components

Safety precautions for servicing control panel components.

Power-Up

Steps for powering up the Rebel unit.

Check, Test and Start Procedures

Economizer Start-Up

Procedures for starting up the economizer.

Compressor Start-Up

Steps for preparing and starting the compressors.

Check, Test and Start Procedures

Set Up for Optimum Control

Steps for calibrating the outdoor air sensor and setting optimal control parameters.

Check, Test and Start Procedures

Energy Recovery Wheel

Prestartup checks and adjustments for the energy recovery wheel.

Final Control Settings

Final Control Settings

Setting controls and parameters for normal unit operation.

Maintenance

Performing Service Maintenance

General guidelines for performing service maintenance.

Planned Maintenance

Recommended preventive maintenance tasks and intervals.

Maintenance

Refrigerant Charge

Information on refrigerant charge, oil types, and charging procedures.

Cleaning Option E Coated Coils

Recommended cleaning procedures for Option E Coated Coils.

Re-charging the unit

Steps for evacuating and re-charging the unit's refrigerant.

Service and Warranty Procedures

Replacement Parts

How to obtain replacement parts and what information is needed.

Warranty Registration Form

Rebel Equipment Warranty Registration Form

Form to comply with warranty terms, completed within 10 days.

Quality Assurance Survey Report

Appendix – Keypad/Display Menu Structure

Appendix – Keypad/Display Menu Structure

Appendix – Keypad/Display Menu Structure

INV Cmp Set-Up

Setup parameters for the inverter compressor.

Appendix – Keypad/Display Menu Structure

Service Menu

Access to various service-related menus.

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