Envision Peripherals Geothermal Indoor Split Heat Pumps Unit Startup/Troubleshooting

Page 30

ENVISION SERIES INSTALLATION MANUAL

Unit Startup/Troubleshooting

Heating Cycle Analysis

Measure suction

 

temperature here

 

at TXV bulb in

 

cooling modes.

 

Lineset

 

length

Air

 

Coil

Bi-flow

 

ClgTXV

filter/drier

 

Measure liquid line

 

temperature and

COOLING TXV - ACTIVE

pressure here in

RIGHT TO LEFT

both heating and

cooling modes

 

Measure suction temperature

here at TXV bulb in heating modes.

Volts ____

 

Suct PSI____

Amps ____

 

Suct sat temp____

 

 

Suct temp____

 

 

Super heat____

 

 

Suction

 

 

Comp

HtgTXV

 

Discharge

 

COAX

 

 

 

 

Desuper-

 

 

heater

 

 

Discharge PSI____

EWT ____

 

Disch. sat temp____

 

Liquid temp____

LWT ____

 

 

Sub cooling____

 

 

HEATING TXV - ACTIVE LEFT TO RIGHT

Note: DO NOT hook up pressure gauges unless there appears to be a performance problem.

Cooling Cycle Analysis

Measure suction

 

temperature here

 

at TXV bulb in

 

cooling modes.

 

Lineset

 

length

Air

 

Coil

Bi-flow

 

ClgTXV

filter/drier

 

Measure liquid line

 

temperature and

COOLING TXV - ACTIVE

pressure here in

RIGHT TO LEFT

both heating and

cooling modes

 

Measure suction temperature

here at TXV bulb in heating modes.

Volts ____

 

Suct PSI ____

Amps ____

 

Suct sat temp ____

 

 

Suct temp ____

 

 

Super heat ____

 

 

Suction

 

 

Comp

HtgTXV

 

Discharge

 

COAX

 

 

 

 

Desuper-

 

 

heater

 

 

Discharge PSI ____

EWT ____

 

Disch. sat temp ____

 

Liquid temp ____

LWT ____

 

 

Sub cooling ____

 

 

HEATING TXV-ACTIVE LEFT TO RIGHT

30

 

 

Image 30
Contents Envision Series Geothermal Indoor Split Heat Pumps 410A Refrigerant Ton Single Speed Ton Dual CapacityPhysical Characteristics Model NomenclatureTable of Contents General Installation Information Equipment Selection Utilizing Existing Coil or Air HandlerAir Handler Installation Connection to Air CoilDual Fuel Systems Water Piping Swivel Connections Residential UnitsEnvision Matching Air Coil Surface Air Handler Coil DataLine Set Sizes Rows TubeOpen Loop Well Water Systems Solenoid ValveSolenoid Wiring Water QualityClosed Loop Ground Source Systems Multiple Units on One Flow CenterDesuperheater Connections Water Tank PreparationPlumbing Installation Desuperheater StartupGeneral Thermostat WiringElectrical Electrical DataWiring Schematics 24V Accessory relay see SW2 3 for description of operationHp Total Microprocessor Control Cooling Operation Fan G onlyLockout Conditions Operation Logic Data STG1 STG2 STG3 Emerg Single Speed UnitsDIP Switch Settings Freeze Sensing SettingPosition Description System Service RefrigerationInitial System Charge Calculation Leak TestingSystem Evacuation Charging the SystemDetermining Subcooling Pressure/Temperature Coversion Chart for R-410A Unit Operating Parameters Single Speed ModelsDual Capacity Models Before Powering Unit, Check The Following Unit StartupStartup Steps Final Evaluation Unit Startup/Troubleshooting Heating Cycle AnalysisPressure Drop and Recommended Flow Rates Single SpeedDual Capacity Standard Microprocessor Controls TroubleshootingLED Definitions and Diagnostics Refrigerant SystemsPreventive Maintenance Replacement ProceduresPhysical Dimensions Envision NZ Split Dimensional DataInstallation Notes

Geothermal Indoor Split Heat Pumps specifications

Envision Peripherals has established itself as a leader in the energy-efficient heating and cooling market with its advanced geothermal indoor split heat pumps. These systems are designed to utilize the earth's stable underground temperature as a renewable energy source, resulting in remarkable performance and sustainability.

One of the main features of Envision Peripherals geothermal indoor split heat pumps is their exceptional energy efficiency. With the ability to achieve a coefficient of performance (COP) exceeding 4.0, these heat pumps provide four units of heating or cooling for every unit of electricity consumed. This level of efficiency significantly reduces operational costs and lowers environmental impact, making them an ideal choice for eco-conscious consumers.

The technology employed in these systems emphasizes reliability and flexibility. The heat pumps are equipped with variable speed compressors, allowing them to adjust the heating and cooling output based on the current demands of the space. This results in consistent indoor temperatures and enhanced comfort. Moreover, the systems can seamlessly integrate with existing HVAC infrastructures, offering versatile installation options for residential and commercial applications.

Another characteristic that sets Envision Peripherals geothermal systems apart is their dual functionality. These units not only provide heating during the colder months but also excel in cooling during hot weather conditions. The geothermal heat pumps extract heat from the indoor air and transfer it to the ground, ensuring an efficient cooling process without the need for traditional air conditioning systems.

Durability and low maintenance are key aspects of Envision Peripherals heat pumps. Constructed with high-quality materials and advanced engineering, these systems are built to withstand varying environmental conditions. They feature a closed-loop system that minimizes wear and tear, reducing the frequency of repairs and providing homeowners and businesses with peace of mind.

In addition, Envision Peripherals emphasizes eco-friendliness. The use of renewable geothermal energy diminishes dependence on fossil fuels, contributing to a more sustainable living and working environment. Their commitment to sustainability aligns with global efforts to reduce greenhouse gas emissions and combat climate change.

In summary, Envision Peripherals geothermal indoor split heat pumps deliver exemplary energy efficiency, advanced technology, and a range of benefits, including dual functionality and reduced environmental impact. As the demand for sustainable heating and cooling solutions continues to grow, these systems represent a leading choice for consumers seeking comfort and energy savings.