EasyManua.ls Logo

Daikin RCS 140D User Manual

Daikin RCS 140D
152 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Page #1 background imageLoading...
Page #1 background image
Installation and Maintenance Manual IM 893-10
Group: Applied Air Systems
Part Number: IM 893
Date: July 2017
RoofPak
®
Singlezone Heating and Cooling Units
RPS/RDT/RFS/RCS 015D—140D
with MicroTech
®
III Unit Controller and Refrigerant R-410A

Table of Contents

Question and Answer IconNeed help?

Do you have a question about the Daikin RCS 140D and is the answer not in the manual?

Daikin RCS 140D Specifications

General IconGeneral
BrandDaikin
ModelRCS 140D
CategoryAir Conditioner
LanguageEnglish

Summary

Introduction

Hazard Identification Information

Explains DANGER, WARNING, and CAUTION statements.

Refrigeration Piping

Controls, Settings, and Functions

Controls, Settings, and Functions Table

Lists and describes unit controls, functions, and locations.

Mechanical Installation

Receiving Inspection

Procedures for inspecting the unit upon arrival.

Unit Clearances

Recommended clearances for unit installation and servicing.

Roof Curb Assembly and Installation

Rigging and Handling

Reassembly of Split Units

RPS Factory Split at Fan

Specific instructions for RPS units split at the fan section.

Reconnect Power and Control Wiring

RFS/RCS Permanent Split Systems

Piping Recommendations

Guidelines for refrigerant piping installation.

System Preparation: Holding Charge, Leak Testing, and Evacuation

Refrigerant Charge

Refrigerant Charge Table

Table of refrigerant charge amounts per circuit.

Charging the System

Refrigerant Charge Details

Typical Subcooling Operating Values Table

Table of acceptable subcooling levels for various ambient conditions.

Installing Ductwork

Installing Duct Static Pressure Sensor Taps

Installing Building Static Pressure Sensor Taps

Electrical Installation

Field Power Wiring

Instructions for field power wiring installation.

Field Control Wiring

Preparing Unit for Operation

Adjusting Spring Mounts

Procedures for adjusting spring mounts.

Sequences of Operation

Power-up and Fan Operation

Details the unit's power-up and fan operation sequences.

Economizer and Compressor Operation Modes

Economizer Operation

How the economizer operates.

Unit Protection Features

Ground Fault Protection

Protection against destructive arcing ground faults.

Phase Voltage Monitor

Protects against voltage issues and phase imbalance.

Modulating Hot Gas Reheat

Dehumidification Operation

Dehumidification Initiation

Conditions for initiating dehumidification.

Dehumidification Termination

Conditions for terminating dehumidification.

Hot-Gas Bypass (HGBP) and External Time Clock

Smoke and Fire Protection

Smoke Detectors

Information on smoke detectors and their integration.

Freeze Protection and External Time Clock/Tenant Override

Freeze Protection

How the unit protects against freezing conditions.

Optional Low Ambient Compressor Operation

Fixed Speed Compressors

Details on fixed speed compressor operation with VFDs.

Condenser Fan Operation for Variable Speed Compressors

DesignFlow™ Outdoor Air Damper Option

DesignFlow Station Startup

Procedure for starting up DesignFlow stations.

Propeller Exhaust Fan Option

Propeller Exhaust Fan Troubleshooting

Fan Maintenance and Ultraviolet Lights Option

Ultraviolet Lights Option

Description of the UV lights option.

MicroTech III Remote User Interface

VFD Compressor Operation

VFD Compressor Modulation Ranges Table

Table showing VFD compressor modulation ranges.

VFD Compressor Control

General VFD Compressor Start Sequence

Steps for starting the VFD compressor.

Dehumidification Transition During Cooling State

How dehumidification interacts with cooling mode.

VFD Compressor Protection and Oil Boost

Oil Boost Operational Sequence

Sequence for oil level management.

VFD Compressor Protection Unloading Control

Protection features for VFD compressors.

VFD Compressor Temperature and Superheat Protection

Low Superheat

Handling of low superheat conditions.

High Superheat

Handling of high superheat conditions.

VFD Compressor Safety Controls

Condenser Coil Splitter Solenoid Valve Control

Control of condenser coil splitter valves.

VFD Compressor Emergency Stop Control

Emergency stop functions for VFD compressors.

Variable Speed Scroll Compressor

Compressor Oil Management

Variable Frequency Drive for VFD Compressor

Check, Test, and Start Procedures

Before Start-up Checks

Pre-startup checks for the unit.

Unit Startup Procedures

Compressor Startup

Expansion Valve Superheat Adjustment

Heating System Startup and Air Balancing

Drive Belt Alignments and Adjustment

Mounting and Adjusting Motor Sheaves

LVP Variable Pitch Sheaves Adjustment

MVP Variable Pitch Sheaves Adjustment

Final Control Settings

MicroTech III Controller Operation

Maintenance

Planned Maintenance

Recommendations for preventive maintenance.

Bearing Lubrication and Fan Shaft Bearings

Bearing Replacement

Periodic Service and Maintenance

Supply Fan Wheel-to-Funnel Alignment

Scroll Compressor Piping

Compressor Replacement Procedures

Refrigerant Charge and Coil Cleaning

Recommended Coil Cleaner

Servicing Refrigerant Sensors/Switches and Winterizing Water Coils

Control Panel Components Overview

Thermal Overload Relay and Circuit Breaker

Through-the-door Disconnect

Controlled Shut-down/Interlock Bypass and Pressure Sensors

Service and Warranty Procedure

Limited Product Warranty

Rooftop Equipment Warranty Registration Form

Warranty Registration Form - Performance Data and Heat Checks

Startup Checks and Parameter Records

Related product manuals