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Carrier GT-G User Manual

Carrier GT-G
56 pages
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Carrier works continually to improve its products. As a result, the design and speci cations of each product at the time for order may be changed without notice and may
not be as described herein. Please contact Carrier’s Customer Service Department at 1-405-745-2920 for speci c information on the current design and spec i ca tions.
Statements and other in for ma tion contained herein are not express warranties and do not form the basis of any bargain between the parties, but are merely Carrier’s
opinion or com men da tion of its products.
© Carrier, Inc. 2005
7300 S.W. 44th Street
Oklahoma City, OK 73179
Phone: 405-745-2920
Fax: 405-745-6620
CA204 Rev.: 08/10/05D
Date Page Description
08/10/05 All First Published
Revision Log
CARRIER
INDOOR & OUTDOOR SPLIT GEOTHERMAL
HEATING AND COOLING COMFORT SYSTEMS
GT-PX INDOOR SPLIT (50YDS) SERIES - SIZES 026-064
GT-G INDOOR SPLIT (50YCS) SERIES - SIZES 018-060
GT-S OUTDOOR SPLIT (38WQS) SERIES - SIZES 018-060
GEOTHERMAL SPLIT SYSTEMS
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Carrier GT-G Specifications

General IconGeneral
BrandCarrier
ModelGT-G
CategoryHeating System
LanguageEnglish

Summary

Geothermal System Advantages

Highest Efficiency

Explains superior energy efficiency and cost savings of geothermal heat pumps.

Maximum Comfort

Details enhanced comfort levels from consistent temperatures and humidity.

Environmentally Friendly

Highlights reduced CO2 emissions and use of natural earth energy for sustainability.

Better Investment

Discusses low life-cycle costs, ROI, and long equipment lifespan.

Closed Loop System Types

Horizontal Loops

Describes pipe installation in trenches for horizontal loop systems.

Vertical Loops

Explains bore hole installation for vertical loop systems in limited space.

Pond (Lake) Loops

Details economical installation of loops submerged in bodies of water.

Ground Water Systems

Covers open loop systems utilizing ground water for direct energy exchange.

GT-PX Series Product Overview

Rounding Out the Product Line

Introduces the GT-PX split system's flexible configuration and market success.

Puron® Refrigerant

Details the benefits of Puron® HFC 410A refrigerant, including efficiency and environmental impact.

Copeland Two-Stage Scroll Compressor

Highlights superior comfort, precision temperature control, and quiet operation.

GT-PX Series Features and Benefits

Other New Features

Lists key design elements like easy access, noise suppression, and durable construction.

Application Flexibility

Covers multiple capacities, extended operation range, and system flexibility.

Service Advantages

Focuses on ease of maintenance with removable panels and accessible components.

Factory Quality

Emphasizes rigorous manufacturing standards and quality assurance processes.

GT-PX System Details

Noise Reduction Features

Explains design elements like dual isolation mounting and cabinet insulation for quiet operation.

Safety Features

Lists protective mechanisms such as high pressure cut-off and condensate overflow.

Options & Accessories

Mentions optional components like hot water generators and electronic thermostats.

GT-PX Unit Visual Features

Easy Service Access

Highlights lift-out panels and low profile control box for simplified maintenance.

Oversized Water Coil

Notes the benefit of a larger coil for efficient heat transfer and performance.

GT-GS Series Features and Benefits

Application Flexibility

Covers multiple capacities, voltage options, and extended operation range.

Operating Efficiencies

Details high ratings, short loop capability, and efficient components.

Service Advantages

Focuses on ease of access, quick connections, and reliable diagnostics.

Factory Quality

Emphasizes robust manufacturing and quality control processes.

GT-S Series Features and Benefits

Options & Accessories

Lists available optional components like hot water generators and thermostats.

Easy Service Access

Highlights accessible panels and digital controls for simplified maintenance.

GT-S Series Overview and Concept

What is the GT-S?

Introduces the outdoor unit's flexibility, ease of installation, and "hassle-free" geothermal.

Why "Paradigm Shift"?

Explains the shift towards simpler, more accessible geothermal technology for retrofits.

The GT-S Concept

Details cost reduction, retrofit market expansion, and benefits over packaged units.

GT-S Installation Diagrams

Typical GT-S / Air Handler Installation

Illustrates the wiring and connection for GT-S with an air handler.

Typical GT-S / Add-on Coil Installation

Shows the wiring and connection for GT-S with an add-on coil.

GT-S Series Features and Benefits

Application Flexibility

Covers multiple capacities, voltage, stackable design, and extended operation.

Operating Efficiencies

Details high ratings, short loop capability, and efficient components like scroll compressors.

Service Advantages

Focuses on access, diagnostics, and quick connections.

Factory Quality

Emphasizes rigorous manufacturing and quality control processes.

GT-S Unit Visual Features

Powder Coated Cabinet

Highlights the durable, weather-resistant finish of the outdoor unit's cabinet.

Digital Controls

Mentions the presence of digital controls for precise operation and diagnostics.

GT-PX Performance Data Tables

English (IP) Units

Presents performance ratings (EER, COP) in Imperial units for various conditions.

Metric (SI) Units

Provides performance ratings (EER, COP) in Metric units for various conditions.

GT-GS & GT-S Performance Data Tables

English (IP) Units

Displays performance ratings (EER, COP) in Imperial units for GT-GS/GT-S models.

Metric (SI) Units

Shows performance ratings (EER, COP) in Metric units for GT-GS/GT-S models.

Product Model Nomenclature

GT-PX Nomenclature

Explains the coding system for identifying GT-PX unit model configurations.

GT-GS Nomenclature

Details the model number breakdown for GT-GS units and their options.

38WQS Nomenclature

Describes the coding system used for the GT-S outdoor units.

Performance Formulas and Correction Factors

Heating and Cooling Formulas

Defines key terms and presents formulas for calculating performance metrics.

GT-GS & GT-S Performance Correction Factors

Provides tables for adjusting performance based on specific operating conditions.

GT-PX Performance Correction Factors

Airflow Correction Factors

Tables showing how airflow variations impact GT-PX unit performance.

Entering Air Correction Factors

Data for adjusting GT-PX performance based on entering air temperatures.

Product Physical Data

GT-PX Physical Data

Lists physical specifications such as compressor type, refrigerant charge, and weights.

GT-GS Physical Data

Provides physical specifications including compressor type and connections for GT-GS units.

GT-S Physical Data

Details physical attributes like compressor type, connections, and weights for GT-S units.

GT-PX Dimensional Data

Cabinet Dimensions and Connections

Shows detailed measurements and connection port locations for GT-PX units.

GT-S Dimensional Data

Unit Dimensions

Provides the physical dimensions (height, width, depth) of the GT-S outdoor unit.

Product Electrical Data

GT-PX Electrical Data

Lists electrical specifications including RLA, LRA, FLA, and wire sizing for GT-PX.

GT-GS Electrical Data

Details electrical parameters like RLA, LRA, FLA, and wire gauge for GT-GS units.

GT-S Electrical Data

Presents electrical data including compressor specs, FLA, and wire requirements for GT-S.

Thermostat Wiring Guide

Single-Stage Unit Wiring

Illustrates typical low-voltage wiring for single-stage heat pump thermostats.

Two-Stage Unit Wiring

Depicts typical low-voltage wiring for two-stage heat pump thermostats.

Infinity/Evolution Controls Wiring

Shows wiring connections for advanced Infinity/Evolution control systems.

CXM Control System Configuration

Field Selectable Inputs

Explains how to use test mode for diagnostics and checking control operation.

Field Configuration Options

Details jumper settings for low-temp limits and alarm relay configuration.

DIP Switches

Describes the function of DIP switches for performance, UPS, and DDC operation.

LED and Alarm Relay Operations

Outlines the meaning of LED indicators and associated alarm relay actions.

CXM Control Safety Features

Safety Features Overview

Lists safety features protecting components from operation outside design conditions.

CXM Control Operation Modes

Diagnostic Features

Explains how the CXM LED indicates control status and fault memory.

Start-up Operation

Describes the sequence of delays and checks during initial unit power-up.

Unit Operation Modes

Table detailing unit responses to various thermostat signals for different series.

GT-PX Split System Wiring Diagram

Wiring Diagram Details

Comprehensive diagram showing all electrical connections and components for the GT-PX unit.

GT-GS Split System Wiring Diagram

Wiring Diagram Details

Illustrates the electrical layout and connections for the GT-GS split system.

GT-S Split System Wiring Diagram

Wiring Diagram Details

Shows the complete electrical wiring and component layout for the GT-S outdoor unit.

Equipment Selection Guide

GT-PX Air Handler Matches

Tables matching GT-PX compressor sections with appropriate air handler models for ARI ratings.

Air Handler Selection Data

GT-PX Air Handler Characteristics

Lists specifications for matching GT-PX units with various brands of air handlers.

R-22 Air Handler Characteristics

Provides selection data for R-22 air handlers to be matched with compatible systems.

Air Handler Selection Example

Example and Selection Tables

Demonstrates how to select an air handler using performance tables and criteria.

GT-PX Series General Specifications

General Product Information

Covers certifications, testing, warranty, and operating temperature range.

Casing and Cabinet Details

Describes the construction of the unit's cabinet, insulation, and access panels.

Refrigerant Circuit Components

Details the refrigerant system, including compressor, TXV, heat exchanger, and desuperheater options.

Electrical System Overview

Outlines the CXM control, wiring, transformer, and connection points.

GT-GS Series General Specifications

General Product Information

Covers certifications, warranty, and operating temperature range for GT-GS units.

Casing and Cabinet Details

Describes the indoor cabinet construction, insulation, and service access.

Refrigerant Circuit Components

Details the refrigerant system including compressor, TXV, heat exchanger, and service valves.

Electrical System Overview

Outlines the CXM control, wiring, transformer, and connection points.

GT-PX Series Detailed Specifications

Electrical System Overview

Details the CXM control, wiring, transformer, and connection points for GT-PX.

Piping and Connections

Describes water piping, fittings, and insulation requirements.

GT-GS Series Detailed Specifications

Electrical System Overview

Details the CXM control, wiring, transformer, and connection points for GT-GS.

Piping and Connections

Covers water piping, fittings, and insulation for indoor installations.

GT-S Series General Specifications

General Product Information

Covers certifications, warranty, and operating temperature range for GT-S units.

Casing and Cabinet Details

Describes the outdoor cabinet construction, insulation, and service access.

Refrigerant Circuit Components

Details the refrigerant system, including compressor, TXV, heat exchanger, and service valves.

Electrical System Overview

Outlines the CXM control, wiring, transformer, and connection points.

Accessories and Options

Hot Water Generators

Describes optional internal and remote hot water generator features for heat recovery.

System Components & Upgrades

Covers TXV kits, heat exchangers, thermostats, flow controllers, and hose kits.

Warranty Information

Summarizes the standard and optional extended warranty coverage provided by Carrier.

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