Envision Peripherals Series installation manual Refrigeration, Caused by excessive heat

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NS SPLIT INSTALLATION MANUAL

Refrigeration

The Envision series comes with a holding charge. The charge must be adjusted in the field based on performance. Refrigeration piping on the split consists of installing a brazed copper line set between the blower coil unit and the unit’s split compressor section. To select the proper tube diameters for the installation, refer to the table on page 9. Line sets over 60 feet long are not recommended because of oil return and pressure drop problems. The suction line must always be insu- lated. Handle and route the line sets carefully to avoid kinking or bending the tubes. If the line set is kinked or distorted and it cannot be formed back into its original shape, the bad portion of the pipe should be replaced. A restricted line set will affect the performance of the system.

Connection to Air Coil

Figures 1 and 2 illustrate typical Envision Split installations. The table on page 9 shows typical lineset diameters and maximum length. As in all R-410A equipment, a reversible liquid line filter drier is required to insure all moisture is removed from the system. This drier should be replaced whenever “breaking into” the system for service. All linesets should be insulated with a minimum of 1/2” closed cell insulation. All insulation should be painted with UV resistant paint or covering to insure long insulation life.

Fasten the copper line set to the blower coil unit as instructed by the coil installation instructions shown in Figure 14. Nitrogen should be bled through the system at 2 to 3 PSI to prevent oxidation inside the refrigerant tubing. Use a low silver phos-copper braze alloy on all brazed connections.

Braze line set to the service valve stubs on the inside front of the split cabinet as shown in Figure

Figure 13: Typical Split System Refrigerant Line Connections

13. Nitrogen should be bled through the system at

2 to 3 PSI to prevent oxidation contamination. Use

a low silver phos-copper braze alloy on all brazed

Service ports for attaching refrigerant gauges

Insulated

connections. Envision split units are shipped with

a factory charge and service valves are not to be

opened until the line set has been leak tested,

purged and evacuated. Schrader cores should be

removed before brazing. A heat sink should be used

on the service valves and TXV to prevent damage

caused by excessive heat.

Suction Line

Replace caps after

ccw

 

opening system

 

ccw

Braze

Connection

Liquid

Line

20

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Contents Geothermal/Water Source Outdoor Split Heat Pumps 410A Refrigerant 4, 5, 6 Ton Dual CapacityPage Table of Contents Physical Characteristics Model NomenclatureGeneral Installation Information Equipment Selection Utilizing Existing Coil or Air HandlerAir Handler Installation Connection to Air CoilDual Fuel Systems General Thermostat WiringElectrical Electrical DataFlow Center Installation Closed Loop Earth coupled Systems Outdoor InstallationsConnecting To Earth Loop Water PipingAir Handler Coil Data Air Handler NomenclatureLine Set Sizes `6O\RZS`RSZcPS`@ST`WUS`O\b  $ ! !$ $ Refrigerant Coil Compatibility Heat Recovery Unit for Domestic Hot Water Maximum One-Way Line LengthHeat Recovery Connections Water Tank PreparationPlumbing Installation Heat Recovery StartupWiring Schematics 24V Accessory relay see SW2 3 for description of operationMicroprocessor Control Fan G only Lockout ConditionsOperation Logic Data STG1 STG2 STG3 Emerg Dual Capacity UnitsDIP Switch Settings Freeze Sensing SettingRefrigeration Caused by excessive heatInitial System Charge Calculation Leak TestingSystem Evacuation Charging the SystemDetermining Subcooling Pressure/Temperature Coversion Chart for R-410A Unit Operating Parameters Dual Capacity ModelsPressure Drop and Recommended Flow Rates Dual CapacityUnit Startup Before Powering Unit, Check The FollowingStartup Steps Final Evaluation Unit Startup/Troubleshooting Heating Cycle AnalysisStandard Microprocessor Controls TroubleshootingLED Definitions and Diagnostics Refrigerant SystemsPreventive Maintenance Replacement ProceduresCabinet Dimensions and Refrigerant Piping Connections Physical DimensionsNS026 thru NS072 Installation Notes Page Envision Series NS Outdoor Split

Series specifications

Envision Peripherals, a leading provider of display solutions, offers a wide range of products under its Series lineup tailored to meet diverse consumer needs in the realms of home, office, and gaming. With a focus on quality, performance, and user experience, the Envision Peripherals Series stands out in the crowded display market.

One of the main features of the Envision Peripherals Series is its commitment to high-definition displays. The Series includes a variety of monitors that offer resolutions starting from Full HD (1920x1080) up to 4K Ultra HD (3840x2160). This ensures that users can enjoy crisp and clear visuals whether they are working, watching movies, or gaming. The use of IPS (In-Plane Switching) technology in many of the monitors provides wide viewing angles and accurate color reproduction, making it perfect for creative professionals and content consumers alike.

In terms of technological advancements, the Envision Peripherals Series incorporates adaptive sync technology, such as AMD FreeSync and NVIDIA G-Sync compatibility. This feature reduces screen tearing and stuttering, providing a smoother gaming experience for competitive gamers. Additionally, many models in this series come equipped with high refresh rates, often reaching up to 144Hz, which is essential for fast-paced gaming applications.

The design of Envision Peripherals monitors is nothing to overlook either. Slim bezels and a modern aesthetic are standard across the Series, allowing for a sleek and professional look that fits well in any setting. Furthermore, some models offer ergonomic adjustments such as height, tilt, and swivel options, ensuring comfort during extended use.

Connectivity is another strong suit of the Envision Peripherals Series. Most monitors come with multiple input options, including HDMI, DisplayPort, and even USB-C in select models. This versatility allows easy connection to a variety of devices, from computers to gaming consoles.

Lastly, the emphasis on eye care technology, such as blue light filters and flicker-free screens, highlights Envision Peripherals' commitment to user health and comfort over prolonged periods of use. Overall, the Envision Peripherals Series combines exceptional visual quality, advanced gaming technologies, ergonomic design, and user-friendly connectivity, making it a top choice for consumers seeking a reliable and versatile display solution.
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