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Daikin DPS015 User Manual

Daikin DPS015
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 DPS015 Specifications

General IconGeneral
Cooling Capacity1.5 kW
Power Supply220-240V, 50Hz
RefrigerantR32
Weight (Indoor Unit)8.5 kg
TypeSplit System

Summary

Introduction to the Rebel Unit

Hazard Identification Symbols

Defines DANGER, WARNING, and CAUTION symbols used in the manual.

Mechanical Installation Procedures

Installer Responsibilities

Outlines the installer's obligations and required qualifications.

Unit Placement and Mounting

Roof Curb Assembly and Installation

Instructions for assembling and installing the roof curb.

Roof Curb Assembly Diagrams

Small Cabinet Roof Curb

Diagrams and dimensions for DPS 003-006 roof curb assembly.

Medium Cabinet Roof Curb

Diagrams and dimensions for DPS 007-015 roof curb assembly.

Large Cabinet Roof Curb

Diagrams and dimensions for DPS 016-028 roof curb assembly.

Rigging and Handling Precautions

Rigging and Handling Safety

Safety warnings and procedures for lifting and moving the unit.

Electrostatic Discharge (ESD) Precautions

ESD Prevention Measures

Steps to prevent component damage from static electricity.

Control System Connections

Start-Up and Service Technician Requirements

Emphasizes the need for trained technicians for startup and service.

Refrigerant System Components

Indoor Expansion Valve Details

More details on EVI operation.

Refrigerant System Controls

High Pressure Switch Operation

Function and activation of the high pressure switch.

Indoor Expansion Valve Operation

EVI operation in cooling and heating modes.

Heating System Operation

Heat Pump Heating Operation

Specifics of heat pump heating and supplemental heat.

DPS 016–028 Component Descriptions

Variable Speed Compressor

Description of the VFD compressor in larger units.

High Pressure Switch Function

Operation of high pressure switches on compressors.

VFD Compressor Operation

VFD Compressor Modulation Control

How VFD compressors modulate speed.

VFD Compressor Control and Sequences

VFD Compressor Start Sequence

Step-by-step startup for VFD compressors.

VFD Compressor Protection

VFD Compressor Protection Controls

Overview of protection functions for VFD compressors.

High Pressure Unloading Control

How high discharge pressure affects compressor speed.

VFD Compressor Protection

High Discharge Line Temperature Unloading

Unloading due to high discharge temperature.

VFD Compressor Emergency Stop Control

Function of the emergency stop for VFD compressors.

Discharge Superheat Monitoring

Monitoring and controlling superheat for VFD compressors.

Low Superheat Control Actions

Adjustments made for low superheat conditions.

High Superheat Control Actions

Adjustments made for high superheat conditions.

Variable Speed Scroll Compressor Overview

Variable Speed Scroll Compressor

General information on variable speed compressors.

Variable Frequency Drive (VFD) System

VFD System Overview

General information about the VFD system.

Optional Modulating Hot Gas Reheat

Modulating Hot Gas Reheat System

Description of the reheat coil and valves for temperature control.

Modulating Hot Gas Reheat Control

MHGRH Control and Arrangement

How MHGRH controls reheat valves and compressor staging.

Optional Electric Heat

Electric Heater Design Features

Description of electric heating coils and safety controls.

Optional Gas Heat System

Daikin Tubular Heater Series

Information on the package gas heater module.

Gas Furnace Safety Warnings

Critical safety warnings for gas furnace operation.

Gas Furnace Design Elements

Description of furnace components and safety switches.

Gas Manifold Pressure Adjustment

DPS 016–028 Gas Manifold Pressure Adjustment

Instructions for adjusting manifold pressure for staged and modulating furnaces.

Gas Furnace Operation Sequences

DPS 003–015 Sequence of Operation

Step-by-step operation for staged and modulating gas heat.

Gas Furnace Operation Sequences

DPS 016–028 Sequence of Operation

Step-by-step operation for staged and modulating gas heat.

Start-Up Procedures

Start-Up Responsibilities

Defines who is responsible for successful unit startup.

Operating Procedures and Maintenance

Turning Off Gas Supply

Safe procedure for shutting off the gas supply.

Staged Gas Furnace Ignition Control

Ignition Control Module LED Diagnostics

Using LED indicators to diagnose faults in staged furnaces.

Modulating Gas Furnace Ignition Control

Modulating Gas Furnace Ignition Control

Overview of the ignition control module for modulating furnaces.

Gas Furnace Ignition Troubleshooting

VB-1200 Troubleshooting Guide

Guide for troubleshooting the VB-1200 controller.

Lockout Error Codes

Lockout Error Code E.0.1

Details for 'Failed Ignition: Maximum Retries Exceeded' error.

Lockout Error Code E.0.2

Details for 'Primary Limit / Fuse Failure' error.

Lockout Error Code E.0.6

Details for 'Gas Sensor Failure: Pressure Sensor Reading Low' error.

Lockout Error Code E.0.3

Details for 'Modulation Valve Failure' error.

Lockout Error Code E.0.7

Details for 'Gas Sensor Failure: Pressure Sensor Reading High' error.

Lockout Error Code E.0.4

Details for 'Air Sensor Failure: Pressure Sensor Reading Low' error.

Lockout Error Code E.0.8

Details for 'Improper Flame Signal' error.

Lockout Error Code E.0.5

Details for 'Air Sensor Failure: Pressure Sensor Reading High' error.

Lockout Error Code E.0.9

Details for 'No Firing Rate Input' error.

Gas Furnace Ignition Troubleshooting Guide

DPS 016–028 Ignition Troubleshooting

Troubleshooting for staged ignition control on larger units.

Optional Hot Water Heat System

Hot Water Heater Design Considerations

Design aspects and installation notes for hot water coils.

Optional Energy Recovery Wheel System

System Description and Function

Explains the enthalpy wheel and energy recovery process.

Optional Outdoor Air Monitor System

Thermal Dispersion Airflow Measurement

Explanation of airflow measurement technology.

Transmitter Troubleshooting Guide

General Transmitter Troubleshooting

Table of common problems and solutions for the transmitter.

Transmitter Communication Troubleshooting

Transmitter Communication Issues

Table addressing communication problems with the transmitter.

ECM Motor Operation and Setup

Wiring Diagrams

208-230 VAC Wiring

Wiring diagrams for 208-230V units.

460 VAC Wiring

Wiring diagrams for 460V units.

575 Volt Wiring

Wiring diagrams for 575V units.

Sequence of Operation

Start-Up and Recirculation Sequences

Initial unit startup and air mixing phases.

Fan Only and Heating Modes

Explains fan-only state and various heating modes.

Unit Preparation for Startup

Pre-Start Unit Procedures

General procedures and safety warnings before startup.

Control Panel and Fan Startup

Servicing Control Panel Components Safely

Safety precautions for servicing control panel parts.

Fan Start-Up Procedures

Steps to verify and start the unit's fans.

Check, Test, and Start Procedures

Compressor Start-Up and Checks

Steps for starting compressors and checking refrigerant.

Control Setup and Air Balancing

Optimum Control Setup

Calibrating sensors and setting up optimal control parameters.

Superheat Monitoring and Adjustment

Critical steps for monitoring and adjusting superheat.

Final Control Settings

Controller Settings for Normal Operation

Parameters to configure for standard unit operation.

Maintenance Procedures

Planned Maintenance Schedule

Recommended routine maintenance tasks.

Refrigerant Charge and System Charging

Refrigerant Charge Considerations

Factors affecting charge and efficiency.

Unit Re-charging Procedure

Steps for evacuating and recharging the refrigerant system.

MicroTech III Keypad for Charging

Step-by-step keypad operations for charging.

Component Servicing and Protection

Service and Warranty Procedures

Equipment Warranty Registration Form

Compressor Start-Up Checks

Checklist for compressor startup verification.

Equipment Warranty Registration Form

Performance Data Recording

Recording steady-state operational data.

Furnace Check, Test, and Start

Checklist for gas furnace startup parameters.

Appendix: MicroTech III Menu Structure

Inverter Compressor Set-Up

Parameters for configuring the inverter compressor.

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