Carrier SEER 48ES - User Manual

1
48ES
Comfort t 13 SEER Single ---Packaged Air Conditioner
and Gas Furnace System with Puron® (R---410A) Refrigerant
Single and Three Phase
Sizes 024---060
Installation Instructions
NOTE: Read the entire instruction manual before starting the
installation.
NOTE: Installer: Make sure the Owner’s Manual and Service
Instructions are left with the unit after installation.
TABLE OF CONTENTS
PAGE
SAFETY CONSIDERATIONS 1.........................
INTRODUCTION 2...................................
RECEIVING AND INSTALLATION 2--12.................
Check Equipment 2..................................
Identify Unit 2....................................
Inspect Shipment 2.................................
Provide Unit Support 2...............................
Roof Curb 2......................................
Slab Mount 2.....................................
Ground Mount 2..................................
Field Fabricate Ductwork 2............................
Provide Clearances 6.................................
Rig and Place Unit 6.................................
Inspection 6......................................
Use of Rigging Bracket 6............................
Rigging/Lifting 6..................................
Connect Condensate Drain 8...........................
Install Flue Hood 8...................................
Install Gas Piping 8..................................
Install Duct Connections 10............................
Configuring Units for Downflow (Vertical)
Discharge 10.....................................
Install Electrical Connections 11........................
High--Voltage Connections 11........................
Special Procedures for 208--V Operation 12..............
Control Voltage Connections 12.......................
Standard Connection 12.............................
Heat Anticipator Setting 12..........................
Transformer Protection 12...........................
P R E -- S T A R T -- U P 1 2 -- 1 3................................
START--UP 13--20.....................................
Check for Refrigerant Leaks 13.........................
Start--Up Heating & Make Adjustments 13................
Check Heating Control 13...........................
Check Gas Input 14................................
Adjust Gas Input 14................................
Check Burner Flame 15.............................
Normal Operation 15...............................
Airflow and Temperature Rise 15......................
Heating Sequence of Operation 15.....................
Limit Switches 19.................................
Rollout Switch 19.................................
Start--Up Cooling & Make Adjustments 19................
Checking Cooling Control Operation 19................
Checking & Adjusting Refrigerant Charge 19............
Indoor Airflow and Airflow Adjustments 20.............
Cooling Sequence of Operation 20.....................
A08438
Fig. 1 -- Unit 48ES
(Low NOx Model Available)
MAINTENANCE 27-- 30................................
Air Filter 27......................................
Indoor Blower and Motor 27.........................
Induced Draft (Combustion Air) Blower 28..............
Flue Gas Passageways 28............................
Limit Switch 28...................................
Burner Ignition 28.................................
Main Burners 28...................................
Removal of Gas Train 28............................
Outdoor Coil, Indoor Coil, & Condensate Drain Pan 28....
Outdoor Fan 29...................................
Electrical Controls and Wiring 29.....................
Refrigerant Circuit 29...............................
Gas Input 30......................................
Evaporator Airflow 30..............................
Puron Items 30....................................
TROUBLESHOOTING 31..............................
START-- UP CHECKLIST 31............................
SAFETY CONSIDERATIONS
Improper installation, adjustment, alteration, service maintenance,
or use can cause explosion, fire, electrical shock, or other
conditions which may cause death, personal injury, or property
damage. Consult a qualified installer, service agency, or your
distributor or branch for information or assistance. The qualified
installer or agency must use factory--authorized kits or accessories
when modifying this product. Refer to the individual instructions
packaged with the kits or accessories when installing.
Follow all safety codes. Wear safety glasses, protective clothing,
and work gloves. Have a fire extinguisher available. Read these
instructions thoroughly and follow all warnings or cautions
included in literature and attached to the unit. consult local
building codes, the current editions of the National Fuel Gas Code

Summary

Safety Considerations

Electrical Shock Hazard

Warning about electrical shock during installation or servicing.

Fire, Explosion, and CO Hazards

Warning about fire, explosion, shock, and CO poisoning risks.

Rig and Place Unit

Rigging Bracket Installation

Unit Lifting Procedures

Install Gas Piping

Gas Supply Connection

Gas Piping Requirements

Installation and Leak Testing

Procedures for safe gas piping installation and leak detection.

Install Electrical Connections

High-Voltage Power Connections

Detailed steps for connecting the unit's high-voltage power supply.

Single and Three-Phase Wiring

Special Procedures for 208-V Operation

Transformer Voltage Adjustment

Pre-Start-Up

Safety Precautions and Checks

Essential safety steps and checks before unit start-up.

Start-Up Checklist

Pre-Start-Up Inspections

Check for Refrigerant Leaks

Procedures for checking and repairing refrigerant leaks.

Start-Up Heating Adjustments

Adjust Gas Input

Measuring and Adjusting Gas Input

Procedures for measuring and adjusting gas input for natural and propane.

Ladder Wiring Diagram

208;230-1-60 Wiring Diagram

Specific ladder diagram for 208/230V, 1-phase, 60Hz wiring.

208;230-3-60 Wiring Diagram

Specific ladder diagram for 208/230V, 3-phase, 60Hz wiring.

460-3-60 Wiring Diagram

Specific ladder diagram for 460V, 3-phase, 60Hz wiring.

Start-Up Cooling

Cooling Control Operation Check

Compressor Rotation and Refrigerant Charge

Critical checks for compressor rotation and refrigerant charge.

Cooling Charging Procedure

Measuring System Pressures and Temperatures

Steps for taking refrigerant system measurements.

Determining and Adjusting Charge

Procedures for finding and setting the correct refrigerant charge.

Electrical Controls and Wiring

Electrical Control Inspection

Refrigerant Circuit

Refrigerant Tubing Inspection for Leaks

Copeland Scroll Compressor

Compressor Safety and Oil Requirements

Information on the scroll compressor, its oil, and safety precautions.

Puron (R-410 A) Refrigerant Charging

Refrigerant Charging Procedure

How to charge the unit with Puron (R-410A) refrigerant.

Troubleshooting

Using Troubleshooting Guides

Puron (R-410 A) Quick Reference Guide

Puron Refrigerant Characteristics and Precautions

Troubleshooting Chart

Compressor, Fan, and Pressure Issues

Common symptoms and remedies for compressor, fan, and pressure problems.

Troubleshooting Guide-Heating

Burner Ignition and Heating Issues

Troubleshooting for burner ignition and inadequate heating problems.

Troubleshooting Guide-LED Error Codes

Interpreting LED Error Codes

Explains LED error codes for diagnosing unit faults.

Start-Up Checklist

Preliminary Information and Pre-Start-Up Checks

Start-Up Electrical and Pressure Measurements

Recording electrical, temperature, and pressure readings during start-up.

Carrier SEER 48ES Specifications

General

Brand	Carrier
Model	SEER 48ES
Category	Air Conditioner
Language	English