Trane IntelliPak RA 20

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Only qualified personnel should install and service the equipment. The installation, starting up, and servicing of heating, ventilating, and air-conditioning
equipment can be hazardous and requires specific knowledge and training. Improperly installed, adjusted or altered equipment by an unqualified person
could result in death or serious injury. When working on the equipment, observe all precautions in the literature and on the tags, stickers, and labels that
are attached to the equipment.
August 2020
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Installation, Operation, and Maintenance
IntelliPak™™ with Symbio™™ 800
Commercial Rooftop Air Conditioners
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RRAA *20, *25, *30, *40, *50, *55, *60,
*70, *75

Trane IntelliPak RA 20 Specifications

General

Model	IntelliPak RA 20
Category	Air Conditioner
Refrigerant Type	R-410A
Compressor Type	Scroll
Phase	3
Heating Capacity	240, 000 - 480, 000 BTU/h
Energy Efficiency Ratio (EER)	8.5 - 10.5
Voltage	460V
Sound Level	75 - 85 dBA

Summary

Introduction

Safety Warnings and Notices

Model Number Description

Pre-Installation Procedures

Unit Inspection and Damage Checks

Steps for inspecting the unit for shipping damage and verifying components.

Installation Procedures

Roof Curb and Ductwork Installation

Unit Rigging and Placement

Safety instructions and steps for lifting and positioning the unit.

General Installation Requirements

Electrical Connections and Wiring

Instructions for main power and control wiring connections.

Gas Heat Installation

Steps for connecting gas supply and ensuring proper gas train setup.

Refrigeration System Setup

Details on condensate drain connections and compressor crankcase heaters.

Economizer and Damper Adjustments

Electrical Data and Service Sizing

Electrical Service Sizing Calculations

Formulas for calculating Minimum Circuit Ampacity (MCA) and MOP.

Load Definitions

Service Sizing Data Tables

Tables providing electrical service sizing data for compressors and fans.

Unit Startup Procedures

Electrical Phasing and Safety

Procedures for checking electrical phasing and handling hazardous voltage.

Fan Operation Verification

Steps to verify proper rotation and operation of supply, relief, and condenser fans.

Supply Fan Speed Adjustment

Gas Furnace Startup and Adjustment

Procedures for startup and adjustment of staged, modulating gas furnaces.

Final Unit Checkout

Final checks to perform before leaving the unit after startup.

Startup Checklist and Control Parameters

General Startup Checklist Items

Comprehensive checklist for unit startup verification.

Critical Control Parameters Map

Sequence of Operation

Unit Operating Modes Overview

Compressor Staging and Timers

Details on compressor staging logic, timers, and protections.

Compressor Protections

Overview of safety features protecting compressors from damage.

EXV Control Logic

External Control Inputs and Overrides

Capacity Lockouts and Limits

Performance Data

Supply Fan Performance Curves

Relief Fan Performance Curves

Refrigeration System Details

Electronic Compressor Protection Module (CPM)

Low Ambient Condenser Fans Operation

Service and Maintenance

Monthly Maintenance Tasks

Cooling Season Maintenance

Heating Season Maintenance

Coil Cleaning Procedures

Refrigerant Evacuation and Charging

Procedures for safely evacuating and charging the refrigerant system.

Compressor Oil Management

Variable Speed Compressor VFD Programming

Parameters for programming VFDs for variable speed compressors.