Goodman Mfg IO-402G Installation Clearances, Safe Refrigerant Handling, Rooftop Installations

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Installation Clearances

Special consideration must be given to location of the con- densing unit(s) in regard to structures, obstructions, other units, and any/all other factors that may interfere with air circulation. Where possible, the top of the unit should be completely unob- structed; however, if vertical conditions require placement be- neath an obstruction there should be a minimum of 60 inches between the top of the unit and the obstruction(s). The specified dimensions meet requirements for air circulation only. Consult all appropriate regulatory codes prior to deter- mining final clearances.

Another important consideration in selecting a location for the unit(s) is the angle to obstructions. Either side adjacent the valves can be placed toward the structure provided the side away from the structure maintains minimum service clearance. Corner installations are strongly discouraged.

NOT

B

OK!

RECOMMENDED

 

Safe Refrigerant Handling

While these items will not cover every conceivable situation, they should serve as a useful guide.

WARNING

To avoid possible injury, explosion or death, practice safe handling of refrigerants.

WARNING

Refrigerants are heavier than air. They can "push out" the oxygen in your lungs or in any enclosed space.To avoid possible difficulty in breathing or death:

Never purge refrigerant into an enclosed room or space. By law, all refrigerants must be reclaimed.

If an indoor leak is suspected, throughly ventilate the area before beginning work.

Liquid refrigerant can be very cold. To avoid possible frostbite or blindness, avoid contact and wear gloves and goggles. If liquid refrigerant does contact your skin or eyes, seek medical help immediately.

Always follow EPA regulations. Never burn refrig- erant, as poisonous gas will be produced.

A

B

AA

C

AA

B

B

 

 

AA

 

C

 

OK!

AA

AA

OK!

OK!OK!

 

 

To avoid possible explosion:

Never apply flame or steam to a refrigerant cylinder.

If you must heat a cylinder for faster charging,

partially immerse it in warm water.

Never fill a cylinder more than 80% full of liquid re-

frigerant.

• Never add anything other than R-22 to an R-22 cy-

linder . The service equipment used must be listed

or certified for the type of refrigerant used.

A

AA

 

AA

 

 

 

C

 

C

 

 

Minimum Airflow Clearance

 

Model Type

 

A

B

C

AA

Residential

 

10"

10"

18"

20"

Light Commercial

12"

12"

18"

24"

This unit can be located at ground floor level or on flat roofs. At ground floor level, the unit must be on a solid, level foundation that will not shift or settle. To reduce the possibility of sound transmission, the foundation slab should not be in contact with or be an integral part of the building foundation. Ensure the foundation is sufficient to support the unit. A concrete slab raised above ground level provides a suitable base.

Rooftop Installations

If it is necessary to install this unit on a roof structure, ensure the roof structure can support the weight and that proper con- sideration is given to the weather-tight integrity of the roof. Since the unit can vibrate during operation, sound vibration transmis- sion should be considered when installing the unit. Vibration absorbing pads or springs can be installed between the con- densing unit legs or frame and the roof mounting assembly to reduce noise vibration.

• Store cylinders in a cool, dry place. Never use a cy-

linder as a platform or a roller.

WARNING

To avoid possible explosion, use only returnable (not disposable) service cylinders when removing refrig- erant from a system.

Ensure the cylinder is free of damage which could lead to a leak or explosion.

Ensure the hydrostatic test date does not exceed 5 years.

Ensure the pressure rating meets or exceeds 400 lbs.

When in doubt, do not use cylinder.

Refrigerant Lines

CAUTION

The compressor mineral oil for R-22 units is susceptible to moisture absorption and could cause compressor failure. Do not leave system open to atmosphere any longer than necessary for installation.

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Contents Shipping Inspection Important Safety InstructionsImportant Note to the Owner Regarding Product Warranty Codes & RegulationsSafe Refrigerant Handling Installation ClearancesRooftop Installations Refrigerant LinesBurying Refrigerant Lines System Evacuation Leak Testing Nitrogen or Nitrogen-TracedRefrigerant Line Connections Electrical Connections No LeaksHigh Voltage Connections Three Phase Compressor RotationOvercurrent Protection Low Voltage ConnectionsFinal Charge Adjustment Charge VerificationSaturated Suction Pressure Temperature Chart Fixed Orifice Expansion Valve SystemTroubleshooting Information CoolingThis page Intentionally Left Blank Split Systems Condensing AC Unit Or deathRigging Cond Unit Refrigerant Line Length ft 25-49 50-74 Tons Suct LiqRefrigerant Line Connections 208/230V 197 253 460V 414 506 Minimum Circuit Ampacity MCASingle State LOW Voltage HOOK-UP Troubleshooting Ft-lbsTroubleshooting Analysis Table Wiring Diagram

CONDENSING AC UNIT SINGLE / THREE PHASE AIR CONDITIONERS, IO-402G specifications

Goodman Manufacturing's IO-402G is a prominent model in the realm of condensing air conditioning units, designed to serve both residential and commercial applications effectively. This unit stands out due to its robust construction and impressive energy efficiency, making it a reliable choice for air conditioning needs.

One of the main features of the IO-402G is its versatile power options, available in both single and three-phase configurations. This adaptability allows it to meet various electrical requirements, ensuring compatibility with different installation environments. The unit's design incorporates a high-efficiency scroll compressor, which not only optimizes cooling performance but also enhances durability while significantly reducing operational noise.

The IO-402G is equipped with advanced refrigerant management technology, utilizing R-410A refrigerant, which is environmentally friendly and delivers superior cooling efficiency compared to older refrigerants. This feature reflects Goodman’s commitment to sustainability while also aligning with regulatory changes in refrigerant usage. The unit’s efficiency is further complemented by a high SEER (Seasonal Energy Efficiency Ratio) rating, positioning it among the more energy-efficient systems available in the market today.

In terms of construction, the IO-402G boasts a durable cabinet designed to withstand various weather conditions, featuring a powder-coated finish that resists corrosion and fading. The unit also includes sound-dampening technology to minimize operational noise, ensuring that it operates quietly even in residential settings.

Additionally, the IO-402G provides easy access for service and maintenance, thanks to a user-friendly design that simplifies troubleshooting and repairs. The system is also compatible with a range of Goodman’s thermostats and controls, which can enhance user experience through smart technology and programmable settings.

Furthermore, Goodman’s commitment to quality is reflected in the warranty coverage available with the IO-402G, typically offering a generous limited warranty on parts, underscoring the manufacturer’s confidence in the unit’s longevity and performance.

Overall, the Goodman IO-402G condensing AC unit is an excellent choice for those seeking a reliable, efficient, and durable air conditioning solution for both residential and commercial applications. Its innovative design and thoughtful features make it a standout model in Goodman’s lineup, ensuring comfort and satisfaction for users all year round.