Toshiba service manual Projection margin in flaring B Unit mm, Outer dia. of copper pipe R410A

Page 24

3 SELECTION OF INSTALLATION

How to remove the front panel

1.Remove screws of the front panel.

2.Pull the front panel downward.

Removing the front panel, the electric parts appear at the front side.

•The metal pipes are attachable to the piping holes. If the size of the used power pipe does not match with the hole, adjust the hole size to match with pipe size.

•Be sure to fix the power cable and indoor/outdoor connecting cable with bundling band sold on the market so that they do not make contact with the compressor and discharge pipe.

(Temperature of the compressor and discharge pipe becomes high.)

In order to avoid the force applied to on the connect- ing section, be sure to fix the cables to the cord clamps provided on the pipe valve fixing plate and the electric parts box.

Electric parts box

Front panel

Pipe valve

fixing plate

Piping

hole

Cord clamp

4 REFRIGERANT PIPING

Pipe Forming/End Positioning

Flaring

1. Cut the pipe with a pipe cutter.

90˚

Obliquity Roughness

Warp

*In case of flaring for R410A with the conventional flare tool, pull it out approx. 0.5 mm more than that of R22 to adjust to the specified flare size. The copper pipe gauge is useful for adjusting projection margin size.

A

2. Insert a flare nut into the pipe, and flare the pipe.

 

 

 

As the flaring sizes of R410A differ from those of

 

 

 

refrigerant R22, the flare tools newly manufactured

 

 

 

for R410A are recommended.

 

 

 

However, the conventional tools can be used by

 

 

 

adjusting projection margin

 

B

 

of the copper pipe.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

• Projection margin in flaring : B (Unit : mm)

Rigid (Clutch type)

Outer dia.

R410A tool used

Conventional tool used

of copper

 

 

 

 

R410A

R22

R410A

R22

pipe

 

 

 

 

 

6.4

0 to 0.5

(Same as left)

1.0 to 1.5

0.5 to 1.0

 

 

 

 

 

9.5

0 to 0.5

(Same as left)

1.0 to 1.5

0.5 to 1.0

 

 

 

 

 

12.7

0 to 0.5

(Same as left)

1.0 to 1.5

0.5 to 1.0

 

 

 

 

 

15.9

0 to 0.5

(Same as left)

1.0 to 1.5

0.5 to 1.0

 

 

 

 

 

• Flaring size : A (Unit : mm)

 

A

+0

Outer dia. of copper pipe

 

- 0.4

R410A

R22

 

 

 

 

6.4

9.1

9.0

 

 

 

9.5

13.2

13.0

 

 

 

12.7

16.6

16.2

 

 

 

15.9

19.7

19.4

 

 

 

Imperial (Wing nut type)

Outer dia. of copper pipe

R410A

R22

 

 

 

6.4

1.5 to 2.0

1.0 to 1.5

 

 

 

9.5

1.5 to 2.0

1.0 to 1.5

 

 

 

12.7

2.0 to 2.5

1.5 to 2.0

 

 

 

15.9

2.0 to 2.5

1.5 to 2.0

 

 

 

24

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Contents Split Type Accessories Adoption of NEW RefrigerantAccessory parts and Parts to be procured locally Program Weekly Timer TypeConcealed Duct Type Applicable ControlsPrecautions for Safety New Refrigerant Air Conditioner InstallationTo Disconnect the Appliance from Main Power Supply Connect the connecting cable correctlyInappropriate grounding may cause electric shock Accessory and Refrigerant Selection of InstallationAccessory and Installation Parts Before installationInstallation Place Necessary Space for InstallationObstacle at rear side Upper side is free Obstacle at front side Upper side is freeSelection of Installation Installation of Outdoor UnitOptional Installation Parts Local Procure Refrigerant Piping ConnectionFor Reference Piping connectionKnockout procedure How to remove the front panelKnockout of Pipe Cover Refrigerant Piping Pipe Forming/End PositioningFlaring size a Unit mm Projection margin in flaring B Unit mm FlaringTightening of Connecting Part Refrigerant PipingRequirement Outer diam. of copper pipe Tightening torqueEvacuating Air PurgeVacuum pump How to open the valve EvacuatingValve size Charge portSM560AT-E How to remove the valve cover How to wireStripping length power cord and connecting cable Electrical WorkFinal Installation Checks Check and Test OperationSelf-Diagnosis by LED Indication Changes in the product and components New tools for R410ANew tools for R410A Applicable to R22 model Changes Precautions for Safety RAV Length of refrigerant pipe Single unitIn installation Selection of Installation Liquid side Gas side Outer diameter Thickness Ø9.5 Ø15.9 Projection margin in flaring B Unit mm Outer dia. of copper pipe R410AOuter dia Valve at gas side Outer dia. of copper pipe Tightening torqueEvacuating How to close the valve SM1100AT-E SM1400AT-E Power supply 220 240 Single phase 50 HzMm2 or more Useful Functions Final Installation Checks Accessories Sold Separately Precautions for SafetyRemote controller RAV-SM561BT-E/RAV-SM801BT-E RAV-SM1101BT-E/RAV-SM1401BT-E Parts Name Indoor unitOutdoor unit Parts Name of Remote Controller Display sectionOperation section Turn on the main power switch and/or the leakage breaker Correct UsagePreparation StopMode select button Mode Temperature buttonWhen restarting the operation after stop StartTimer Operation Timer operationClear of timer operation Hints for Economical Operation Do not open doors and windows more often than necessaryWindow curtains Get uniform circulation of room airMaintenance Cleaning of remote controllerIf you do not plan to use the unit for more than 1 month Checks before operationAIR Conditioner Operations and Performance RE-INSTALLATION Do not install the air conditioner in the following placesTroubles and Causes Be careful with noise or vibrationsInoperative Auto Part name ’ty Shape Standard wired remote Controller Separate sold partsPart name ’ty Shape Precautions for Safety Inappropriate grounding may cause electric shock Selection of Installation Place Installation space Selection of installation placeAdvice Secure the space required to installation and servicingInstallation of Indoor Unit Installation procedureInstallation of Indoor Unit DimensionExternal view RAV-SM1101, 1401BTInstallation of remote controller Sold separately Mounting of clamp AccessoryHanging down of indoor unit Clamp mounting Removal of air filterRestriction to installation Installation clearanceLedge ceiling concealed duct type Quality of supplying grillesStatic pressure characteristics of each model AIR Ducting WorkAIR Ducting Work RAV-SM1101BT Round ductConnecting method of the duct Points at installation work General cautionsMounting of remote controller Hanging of indoor unitMounting of filter and canvas for suction port Drain Piping Work Piping materialPiping and cautions Thermal-insulating processDrain-up Connection of the drain hoseCheck of water drain After electric piping workPermissible piping length and heat Flaring dia meter size a Unit mmTightening connection Tightening torque of flare pipe connectionsPacked valve handling precautions Open valve fullyGas leak check Use a vacuum pumpFor 801, 1101, 1401AT model 801, 1101, 1401 type valve at gas sideElectrical Work Remote controller cabling Cabling diagramElectrical Work CablingHow to execute a test run Case of wired remote controllerTest RUN Before test runTroubleshooting Confirmation of error historyProcedure Description Confirmation and checkApplicable Controls NotificationAutomatic address Setup of external static pressure When using wireless remote controllerApplicable Controls To incorporate a filter sold separatelyChange of lighting time of filter sign To secure better effect of heatingINSTALLATION/SERVICING Tools MaintenanceCleaning of Return grille Clean the Return grilles with waterAccessories ContentsFeatures Turn on the power supply of the air conditionerHow to check the program operation time RBC-EXW21ETimer set button Cancel buttonHoliday setting indication mark Setting error display Present time displayOperation procedure Turn on the power supply of the air conditionerSetup of the day of the week HeatingWhen push SET Button, Set errorWhen ON/OFF time is set as follows, Error is displayed Next set up the operation time to the program 2Clearance of Holiday setup Push DAY button and put the operationTo be checked Clear of a part of the programMatters to be memorized Power failure Operation of program weekly timer and air conditionerResuming of operation RBC-AS21E Temperature Setup button Selected mode displays Heat pump typeSelected mode displays Cooling only type Start/Stop button Check button Used in servicingPower supply Push either or set to Auto Recommended temperatureAutomatic Cool/Heat Push button Push button to select fan speedAccessory parts How to install remote controllerRequirement for installation Multiple remote controllers Requirement to install Remote controllerAccessory parts Requirement for installation Multiple remote controllersRemote controller test run setup How to perform cabling of the remote controllerAccessory parts Part Name ’ty How to install the program weekly timerRequirement to install Program weekly timer Program weekly timer test run setupAccessory parts Requirement to install the remote sensorHow to install the remote sensor Specifications Safety CautionsInstallation of filter sold separately Maintenance of filter sold separatelyInstallation of high-efficiency filter Setup of fan when building in the high-efficiency filterHigh-Efficiency Filter High-Efficiency filter 65% Model TCB-UFM11BESetup of fan when building in the filter sold separately Deodorant Filter, Ammonium FilterDeodorant Filter Model TCB-DF11BE Ammonium Filter Model TCB-DF11BE-AM

R410A specifications

Toshiba R410A is a highly regarded refrigerant known for its efficiency and environmental benefits. This hydrofluorocarbon (HFC) mixture is widely used in various air conditioning and refrigeration applications due to its excellent thermodynamic properties. One of the standout features of R410A is its superior energy efficiency, which contributes to lower energy consumption and reduced CO2 emissions in HVAC systems.

One significant advantage of R410A over older refrigerants, such as R22, is its lower ozone depletion potential (ODP). R410A has an ODP of zero, making it a more environmentally friendly choice. This characteristic aligns with global initiatives aimed at protecting the ozone layer and promoting sustainable practices. The shift to R410A has been supported by government regulations in many countries, phasing out older, more harmful refrigerants.

Toshiba has incorporated advanced technologies in its R410A compatible products, enhancing performance and reliability. Among these technologies is the inverter technology that allows the compressor to operate at variable speeds. This functionality leads to improved temperature regulation, reduced noise levels, and further energy savings. Inverter systems provide precise control over the cooling and heating processes, allowing for a comfortable indoor environment while minimizing wastage of energy.

R410A also exhibits excellent heat transfer properties, which boosts cooling capacity. This feature makes it suitable for large-scale HVAC systems, including commercial and industrial applications. Its high-pressure characteristics enable the design of more compact and efficient components, allowing for smaller units and easier installation.

Furthermore, Toshiba's dedication to technological innovation is visible in its commitment to research and development. The company continuously strives to optimize systems that utilize R410A, focusing on reliability and longevity. This includes improved compressor designs, enhanced heat exchangers, and the integration of smart controls that adapt to the varying load conditions in real-time.

In terms of safety, R410A is classified as non-toxic and non-flammable under normal conditions, making it a safe choice for use in residential and commercial settings. However, it is important to note that R410A operates at higher pressures compared to traditional refrigerants, necessitating proper equipment design and handling procedures.

In conclusion, Toshiba R410A stands out in the market for its energy efficiency, environmental safety, and technological advancements. It is an ideal refrigerant for modern HVAC applications, contributing to both comfort and sustainability. As the industry continues to evolve, R410A remains a pivotal element in the quest for responsible and efficient refrigeration solutions.
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