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Carrier 40RMQ User Manual

Carrier 40RMQ
44 pages
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Copyright 1999 Carrier Corporation Form 38AQS-4PD
Heat Pump
Heat Pump Systems that Save
Energy and Provide Outstanding
Heating and Cooling All Year
All-season comfort in any climate
High energy savings capability
Suitable for new construction or
replacement
Features/Benefits
System indoor and outdoor
sections offer outstanding
performance in either the
cooling or heating mode
Heat pump system energy
savings opportunity
Electrical energy consumption is
always a prime concern when selecting
an air-conditioning system for a com-
mercial application. An easy, effective
way to save energy is to install a heat
pump. Should your building plans call
for one, consider a matched Carrier
38AQS/40RMQ heat pump system.
These systems not only provide highly
efficient cooling, they also double as a
clean, safe, efficient source of heat. In
fact, they are capable of delivering
approximately 3 units of heat energy
for each unit of electrical power
consumed.
Heat pump uniqueness
The outstanding performance of these
heat pump systems is due to the heat
pump’s ability to absorb and transfer
heat — from outdoors to indoors for
heating, and from indoors to outdoors
for cooling. System indoor and out-
door sections operate as evaporators
or condensers, depending on whether
heating or cooling is required. The
heating cycle always starts with the
outdoor coil absorbing heat from the
38AQS/40RMQ
Heat Pump Systems
Nominal Heating: 83,000 to 164,000 Btuh
Nominal Cooling: 7
1
/
2
to 15 Tons
Product
Data
38AQS008
38AQS012,016
40RMQ
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Carrier 40RMQ Specifications

General IconGeneral
BrandCarrier
Model40RMQ
CategoryHeat Pump
LanguageEnglish

Summary

Features and Benefits

Heat Pump System Energy Savings

Explains the energy saving potential of heat pump systems for commercial applications.

Heat Pump Uniqueness

Describes how heat pumps absorb and transfer heat for heating/cooling.

Variable Refrigeration Circuiting (VRC)

Details VRC benefits like improved heat transfer and reliability for 38AQS units.

38AQS Application Versatility

Highlights the suitability of Carrier split system heat pumps for new or replacement applications.

Rugged Compressor and Unit Features

Focuses on compressor reliability and unit features for 38AQS and 40RMQ systems.

Features for 38AQS008 and 38AQS012,016 Units

Covers controls, safeties, and specific features for different 38AQS unit models.

40RMQ Indoor Unit Capabilities

Describes the capabilities and benefits of Carrier 40RMQ indoor units for superior system performance.

Easy Installation and Service (40RMQ)

Discusses the design and component layout of 40RMQ units for quick installation and service.

Indoor-Air Quality (IAQ) Features (40RMQ)

Highlights IAQ features like DX cooling coils and disposable filters in the 40RMQ Series.

Model Number Nomenclature

38AQS Nomenclature Breakdown

Explains the coding system for 38AQS split system heat pumps, including tonnage and coil options.

40RMQ Nomenclature Breakdown

Details the model number coding for 40RMQ air handlers, including capacity and options.

ARI Capacities

Cooling and Heating Performance Ratings

Presents nominal cooling and heating capacities for 38AQS/40RMQ unit combinations as per ARI standards.

Physical Data - Outdoor Units

38AQS Unit Specifications and Dimensions

Provides physical dimensions, weights, and coil specifications for 38AQS outdoor units.

38AQS Weight Distribution

Shows weight distribution breakdown for 38AQS outdoor units by leg location.

Physical Data - Indoor Units

40RMQ Unit Specifications and Dimensions

Lists physical specifications, dimensions, and weights for 40RMQ indoor units.

Options and Accessories

Outdoor Unit Options and Accessories

Details factory options and accessories for 38AQS outdoor units, including coil protection.

Indoor Unit Accessories

Lists field-installed accessories for 40RMQ indoor units, such as coils, economizers, and thermostats.

Dimensions - Outdoor Units

38AQS Dimensions and Connections

Provides detailed dimensional drawings and connection sizes for 38AQS outdoor units.

38AQS012,016 Dimensions

Shows dimensional drawings, connections, and rigging details for 38AQS012 and 016 outdoor units.

Dimensions - Indoor Units

40RMQ008,012 Dimensions

Presents dimensional drawings and specifications for 40RMQ008 and 40RMQ012 indoor units.

40RMQ016 Dimensions

Displays dimensional drawings and specifications for the 40RMQ016 indoor unit.

Indoor Units with Electric Heater Accessory

Shows dimensions for 40RMQ indoor units when equipped with the electric heater accessory.

System Selection Procedure

Step-by-Step Guide

Guides users through selecting a heat pump system based on load requirements, capacities, fan, and motor selection.

Performance Data

Nominal and Integrated Capacities

Lists nominal cooling/heating and integrated heating capacities for 38AQS/40RMQ combinations.

Combination Ratings (Cooling & Heating)

Presents gross cooling and net heating capacities for various 38AQS/40RMQ model combinations and conditions.

Indoor Unit Performance Data

Accessory Coils and Fan Performance

Details capacities of accessory coils and fan performance data (rpm, bhp) for 40RMQ units.

Accessory Air Throw and Pressure Drop

Shows air throw distances and pressure drops for 40RMQ indoor unit accessories.

Typical Piping and Wiring Diagrams

38AQS008/40RMQ008 System Diagram

Illustrates refrigerant piping and electrical wiring for a 38AQS008/40RMQ008 system.

38AQS012,016/40RMQ012,016 System Diagram

Shows refrigerant piping and electrical wiring for 38AQS012,016/40RMQ012,016 systems.

Electrical Data

Outdoor and Indoor Unit Electrical Specifications

Provides electrical data for 38AQS outdoor and 40RMQ indoor units, including motor and compressor specs.

Electric Heater Data and Voltage Conversion

Details electrical data for electric heater accessories and voltage conversion factors for 40RMQ units.

Controls and Operation Sequences

System Operation Sequences

Describes cooling, heating, defrost, and emergency heat sequences for 38AQS/40RMQ systems.

Typical Control Wiring Schematic

Legend, Notes, and Wiring Diagrams

Defines symbols, provides notes, and shows wiring diagrams for 38AQS/40RMQ units.

38AQS008 Unit Wiring Diagram

Shows the control wiring schematic and component arrangement for the 38AQS008 unit.

38AQS012,016 Unit Wiring Diagrams

Illustrates control wiring schematics for 38AQS012/016 units with different voltage configurations.

Application Data

Operating Limits and General Application Notes

Lists operating limits for 40RMQ units and provides general application guidance.

Liquid Line Solenoid Valve & Filter Driers

Advises on LLSV use and specifies filter drier requirements for 38AQS/40RMQ systems.

Maximum Vertical Separation

Indoor/Outdoor Unit Separation Distances

Details the maximum allowable vertical distances between indoor and outdoor units.

Fan Motor Data

40RMQ Motor and Drive Specifications

Provides specifications for standard and alternate fan motors and drive configurations for 40RMQ units.

40RMQ Drive Data (Standard, High-Static, Medium-Static)

Outlines motor and fan drive data for 40RMQ indoor units across different drive configurations.

Guide Specifications - 38AQS008 Outdoor Unit

Part 1 - General System Description

Outlines the general system description, quality assurance, and delivery requirements for the 38AQS008 unit.

Part 2 - Products: Equipment

Details the general equipment specifications for the 38AQS008 outdoor unit, including cabinet, fan, and compressor.

38AQS008 Controls, Safeties, and Features

Describes controls, safeties, electrical requirements, and special features for the 38AQS008 outdoor unit.

Guide Specifications - 38AQS012,016 Outdoor Units

Part 1 - General System Description

Covers system description, quality assurance, and handling for 38AQS012/016 outdoor units.

Part 2 - Products: Equipment

Details equipment specifications for 38AQS012/016 outdoor units, including cabinet, fan, and compressor.

38AQS012,016 Controls, Safeties, and Features

Lists controls, safeties, electrical requirements, and special features for 38AQS012/016 outdoor units.

Guide Specifications - Indoor Units

Part 1 - General System Description

Outlines the system description, quality assurance, and delivery for 40RMQ indoor units.

Part 2 - Products: Equipment

Details the equipment specifications for 40RMQ indoor units, including cabinet, coils, and motor.

40RMQ Field-Installed Accessories

Lists field-installed accessories for 40RMQ indoor units, such as coils, economizers, and thermostats.

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