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Nortek Flex Match GXH18(5.3)FMK4DH User Manual

Nortek Flex Match GXH18(5.3)FMK4DH
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Nortek Global HVAC, LLC
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S y st em Out door U
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Revised 9/21/16
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Nortek Flex Match GXH18(5.3)FMK4DH Specifications

General IconGeneral
BrandNortek
ModelFlex Match GXH18(5.3)FMK4DH
CategoryAir Conditioner
LanguageEnglish

Summary

Explanation of Symbols

DANGER Symbol Explanation

Explains severe personal injury, property damage, or death.

WARNING Symbol Explanation

Explains severe personal injury, property damage, and/or death.

CAUTION Symbol Explanation

Explains personal injury and/or property damage.

NOTICE Symbol Explanation

Indicates important but not hazard-related information.

The Instructions Before Use

General Safety Warnings

Covers immediate safety actions, power supply, wiring, and grounding.

Electrical Safety Precautions

Advises against improper electrical connections, repairs, and professional help.

Unit Mounting and Stability

Emphasizes secure mounting and avoiding placing objects on the unit.

Name of Parts

Outdoor Unit Components (GXH18)

Identifies air outlet grille and valve for GXH18(5.3)FMK4DH model.

Outdoor Unit Components (GXH24)

Identifies air outlet grille and valve for GXH24(7.0)FMK4DH model.

General Safety for Parts

Warns about electrical shock, volatile liquids, and refrigerant circuit heat.

Technical Data

Technical Specifications (GXH18)

Details electrical data, supply, breaker, cord, and dimensions for GXH18(5.3)FMK4DH.

Technical Specifications (GXH24)

Details electrical data, supply, breaker, cord, and dimensions for GXH24(7.0)FMK4DH.

Operating Temperature Range

Specifies maximum cooling and heating temperatures for the outdoor unit.

Electrical Connections

Wiring and Circuit Breaker Requirements

Details air switch capacity and circuit breaker recommendations for models.

Connection Procedures

Step-by-step guide for connecting power cables to the outdoor unit.

Grounding and Wiring Regulations

Emphasizes proper grounding and adherence to national wiring regulations.

Installing the Outdoor Unit

Outdoor Unit Location and Mounting

Specifies secure floor mounting and avoiding pits or air vents.

Pipe Installation and Refrigerant

Guides on using suitable pipes for R410a and wrapping refrigerant pipes.

Evacuation Procedure

Details removing oxygen and moisture from the refrigerant line using a vacuum pump.

Maintenance

Refrigerant and Cleaning Precautions

Advises using R410a refrigerant and avoiding mineral oils for cleaning.

Installation Dimension Diagram

Clearance Requirements

Shows required clearances around the outdoor unit for GXH18 and GXH24 models.

Check After Installation

Installation Verification Checklist

Lists items to check post-installation and potential issues from faulty installation.

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