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Toshiba RAV-SP1104ATZ-E Indoor Controller Block Diagram, Connection of Main Sub Remote Controller

Models: RAV-SP1104ATZG-E RAV-SP1104ATZ-E RAV-SP1404ATZ-E RAV-SM804UT-E RAV-SP1404AT-E RAV-SP1404ATZG-E RAV-SP1104AT-E RAV-SM1104UT-E RAV-SM1404UT-E

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Page 43

7. INDOOR CONTROL CIRCUIT

7-1. Indoor Controller Block Diagram

7-1-1. Connection of Main (Sub) Remote Controller

Main (sub) master remote controller (Max. 2 units)					Weekly timer
Display LCD		Function setup		Display LCD	LCD driver
Display LED	MCU	Key switch			Function setup
			CN2		Function setup
			CN2		MCU
			CN1		MCU
			CN1		Key switch
		DC5V			Key switch
		DC5V
Remote controller		Power circuit		DC5V
communication circuit		Power circuit	∗3
communication circuit			∗3	Power	Secondary
				Power	Secondary
				circuit	battery

Indoor unit

#1 (Master)

A

B

#2

#3

(Follower)

(Follower)

A

B

A

B

Indoor control P.C. board (MCC-1570)

DC20V

Remote controller

EEPROM

communication circuit

DC5V

TA sensor

DC12V

× 4

TC sensor

Humidifier output

Same as left

Same as left

Louver

TCJ sensor

Driver

∗2

∗2

motor

MCU

Drain

Float input

HA

pump

Outside

Auto grille

panel

Indoor

MCU

output

fan motor

Run

Serial send/

Warning

receive circuit

Defrost

1

2

3

1

2

3

Thermo. ON

AC

Fan motor

COOL

HEAT

synchronous

Power circuit

control circuit

FAN

signal input circuit

DC280V

1

2

3

Outdoor unit

Outdoor unit

* Case of TCC-LINK adapter

Up to 8 units are connectable. ∗1

∗1 However Max.7 units are connectable in

Case of TCC-LINK adapter

case of mounting network adapter when two

(Option)

1

2

3

main (sub) remote controllers are connected.

∗2 The network adapter is mounted to only 1 unit.

TCC-LINK

TCC-LINK adapter is mounted to the master unit.

∗3 Connection of the weekly timer to the sub

adapter P.C. board

(MCC-1440)

remote controller is unavailable.

TCC-LINK

U3

TCC-LINK

Outdoor unit

Central controller

communication circuit

(Option)

U4

– 43 –

Image 43

Toshiba RAV-SP1104ATZ-E, RAV-SM1404UT-E Indoor Controller Block Diagram, Connection of Main Sub Remote Controller

RAV-SP1104ATZG-E, RAV-SP1104ATZ-E, RAV-SP1404ATZ-E, RAV-SM804UT-E, RAV-SP1404AT-E specifications

Toshiba has long been a notable player in the air conditioning market, with a range of products designed to deliver effective cooling and heating solutions. Among its recent offerings are the RAV-SP1104AT-E, RAV-SM1404UT-E, RAV-SM1104UT-E, RAV-SP1104ATZ-E, and RAV-SP1404ATZ-E models. Each of these models is engineered for efficiency, performance, and user convenience.

The RAV-SP1104AT-E is designed for residential and commercial spaces alike, featuring advanced inverter technology. This model operates efficiently by adjusting compressor speed according to the required cooling load, resulting in reduced energy consumption and optimal performance. With a cooling capacity of 11 kW, it is suitable for medium to large spaces.

The RAV-SM1404UT-E model builds on this efficiency with enhanced features aimed at maximizing comfort. It includes a built-in Wi-Fi capability, allowing users to control the system remotely through a mobile app. This model boasts a high-energy efficiency rating, which translates into lower operating costs and a smaller environmental footprint.

Similarly, the RAV-SM1104UT-E emphasizes versatility and adaptability, adept at handling various climatic conditions. In addition to its robust cooling performance, it supports heating capabilities, making it an excellent choice for year-round use. The unit's quiet operation ensures comfort without the nuisance of disruptive noise, making it ideal for both residential and commercial settings.

The RAV-SP1104ATZ-E and RAV-SP1404ATZ-E models represent the pinnacle of Toshiba's innovation in multi-split systems. Both models utilize advanced refrigerant technology, ensuring rapid cooling and heating while minimizing energy loss. The RAV-SP1104ATZ-E offers a balanced performance with a focus on high efficiency, while the RAV-SP1404ATZ-E provides greater capacity, ideal for larger establishments requiring substantial climate control.

All these units feature Toshiba's cutting-edge technologies, including advanced filtration systems that improve indoor air quality by capturing dust, allergens, and other particulates. The robust design of these models ensures durability and longevity, making them a worthwhile investment for any property owner.

In summary, Toshiba’s RAV-SP1104AT-E, RAV-SM1404UT-E, RAV-SM1104UT-E, RAV-SP1104ATZ-E, and RAV-SP1404ATZ-E models reflect the brand's commitment to innovation and energy efficiency. These air conditioning solutions cater to a variety of needs while ensuring comfort, reduced environmental impact, and user-friendly operation.

Contents

AIR-CONDITIONER Contents 11-1 10-110-2 104 Indication Explanation Explanation of indicationsExplanation of illustrated marks Confirmation of warning label on the main unit Do not modify the products ∗ For details, refer to the parts listNever recover the refrigerant into the outdoor unit Catch the inner wires Limit even if the refrigerant leaks Check the following items after reinstallationMetal section Earth position Side Flare nut Safety Caution Concerned to New RefrigerantPipe Materials Copper pipe Piping Used tool Usage Air conditioner installation Conditioner installationGeneral tools Conventional tools can be used R410A Conventional air Model Indoor unit Indoor UnitWay Air Discharge Cassette Type Single type SM1104UT-E SM1404UT-E Outdoor unit RAV SM564UT-E SM804UT-E SP1104ATZZG-E SP1404ATZZG-E Twin type SM1103AT-E SM1403AT-E 562BT-E 802BT-E 1102BT-E 1402BT-E Outdoor unit Concealed Duct Type Single type RAV SM562BT-E SM802BT-E 562CT-E 802CT-E 1102CT-E 1402CT-E Outdoor unit Under Ceiling Type Single type SP1104ATZZG-E SP1404AZZG-E SM562CT-E SM802CT-E RAV SM562KRT-E SM802KRT-E High Wall Type Single type SM562KRT-E SM802KRT-E RAV-SM562MUT-E Compact 4-Way Cassette 600 × 600 Type Single type SP1104ZZG-E Model name Outdoor unit Super Digital Inverter802ATZZG-E 1104ATZZG-E Cooling Heating Operation characteristic curve Super Digital InverterCapacity variation ratio according to temperature Cooling Heating RAV-SP1404 RAV-SP1104 RAV-SM564UT-E RAV-SM804UT-E RAV-SM1104UT-E, RAV-SM1404UT-E Details of a Name Model RBC RAV-TWP30E2, RAV-TWP50E2 Simultaneous Twin Twin type Combination of 2 indoor units and 1 outdoor unit Single type Combination of 1 indoor unit and 1 outdoor unit RAV-SP1104AT-E, RAV-SP1104ATZ-E, RAV-SP1104ATZG-E Color Control P.C. BoardFor Indoor Unit MCC-1570 Color Identification Symbol Parts name RBC-U31PGWS-E, RBC-U31PGW-E Ceiling panel Parts name Type Specifications Piping Materials and Joints Used Safety During Installation/Servicing Minimum thicknesses of socket joints Processing of Piping Materials1 Thicknesses of annealed copper pipes Thickness mm Outer diameter mm R410A R22 Flare tool for Flare and flare nut dimensions for R410AFlare and flare nut dimensions for R22 Outer Thickness Nominal Conventional flare tool Wrenches available on the market Nm kgfm Required Tools 1 Configuration of refrigerant charging Phosphor bronze brazing filler Low temperature brazing fillerFlux Reason why flux is necessary Materials for Brazing Silver brazing filler Piping materials for brazing and used brazing filler/flux Characteristics required for fluxTypes of flux Noncorrosive flux Activated flux Restricted Items to Use the Existing Pipes Basic Conditions Need to Reuse the Existing PipeBranching Pipe for Simultaneous Operation System Curing of Pipes Existing pipe SW Switch Final Installation Checks Reference outside diameter Wall thickness When using existing pipeHandling of Existing Pipe Operation method Connection of Main Sub Remote Controller Indoor Controller Block Diagram Wireless remote controller kit Connection of Wireless Remote Controller Kit Max units Control outline Command Outline of specifications Remarks Setup data Cool Air speed Conditions Control temp. C Setup at shipment Cooling/dry operation Heating/fan operation Individual air direction setupAll operations Louver lock Louver fix Outline of specificationsLouver control Selection of Swing mode Dual swing Control which ignores lock Objective louver No Selection of horizontal discharge position Filter Louver FAN Mode Remarks Function Connector No Pin No Specifications Print Circuit Board IndoorMCC-1570 MCC-1571 Outdoor ControlsPrint Circuit Board Viewed from parts of P.C board Outline of Main Controls PMV Pulse Motor Valve control Discharge temperature release control Cooling fan control Outdoor fan controlHeating fan control Short intermittent operation preventive control Coil heating controlCurrent release control High-pressure release control Temperature range SP110, SP140Current release value shift control Over-current protective control J805 J806 Defrost controlStart of heating operation Normal To Abnormal To Wired remote controller type Summary of TroubleshootingBefore troubleshooting Troubleshooting procedure Trouble Confirmation of lamp display Wireless remote controller type Outline of judgment TroubleshootingLamp indication Check code Cause of trouble occurrence Ready Lamp indication Check code Others Other than Check CodeCause of trouble occurrence Central control devices detected Check Code List IndoorRemote controller detected Indoor unit detected Way valve inverse error Check Code List Outdoor Indoor unit Heat exchanger sensor TCJ error Cause of operation Status Error mode detected by indoor unit Cause of operation Series Error mode detected by outdoor unit Operation of diagnostic function E09 error E10 error E04 error E08, L03, L07, L08 error E18 errorL09 error L30 error L20 errorP30 error Central controller F10 error P10 error CN333 CN334 P12 error F01 error F02 error C06 error TCC-LINK central controller F29 error E03 error Master indoor unitP31 error Follower indoor unit Error display, which occurs at present Diagnostic Procedure for Each Check Code Outdoor UnitLED display on outdoor P.C. board Dip switch setup Latest error display F06 Display Display 2 Heat exchanger temp. sensor TE error F13 Display Display 2 Heat sink temp. sensor TH error F12 Display 1 Display 2 Suction temp. sensor TS errorF31 Display Eeprom error H02 Display Compressor lock H03 Display 1 Display 2 Current detection circuit error L10 Display Display Communication error between MCU Replace defective part P05 Display Display 2 Power supply error Voltage errorIs refrigerant charge amount adequate? Recharge refrigerant Is PMV Normal? P15 Display 1 Display 2 Gas leak detection Exchange to cooling cycle Exchange to heating cycle Loosening of outdoor fan? Single operation check for outdoor fan Position detection circuit errorP29 TD, TL sensors Temperature sensorTemperature Resistance value characteristic table TA, TC, TCJ,TE, TS, to sensors Indoort Unit Replacement procedures 100 Setting data read out from EepromC. Board for indoor unit servicing replacement procedures Contents Jumper wire J02 Writing the setting data to Eeprom101 102 Eeprom layout diagram Indoor unit capacity Code No Setting data Code No. table example103 Type Code No 104 Outdoor Unit Setting the jumper wires and DIP switchesInstalling the P.C. board Model switching J800 to J803 Push Test Run Setup on Remote ControllerWired remote controller 105 106 Use either Cool or Heat operation mode for test operationConditioner from the wireless remote controller Return Dip switch of the sensor section as before Test cooling operation Test heating operation Case of wireless remote controllerProcedure Description 107 D504 Green Sub bus communication D501 RedD403 Red D503 Yellow Main bus communication Pushing button returns the status to the normal stop status Function Selection Setup109 Push button. OK if indication lights Function selection item No. DN list 110 111 112 Wiring and Setting of Remote Controller ControlWhen connected 2 remote controllers operate the twin Setup method 113 Monitor Function of Remote Controller Switch 114 Initial communication Indoor unit power-ON sequence115 By feed unit Automatic address judgment Function Setup at Local Site / OthersMicroprocessor block diagram TCC-LINK wiring connection 117 Wiring specificationsC. board switch SW01 setup No. of wires Setup from remote controller at indoor unit side External view of P.C. board assemblyAddress setup How to Set up Central Control Address Number 119 Swing setup code Louver operation How to set up type of swingUsing Timer SET / buttons, select type of the swing Push SET Push Test to finish the setup How to clear louver lock How to set louver lock Louver fixHow to set contents of save operation Operation method Refrigerant Recovery Control122 Operation part Service Support Function LED Display, Switch OperationOutline 123 Display selection list Switch Function / Contents ReferOthers Selection of LED display SW800, SW803 operation 124 Error contents Error display125 126 Specific operation Specific operation for maintenance check SW801, SW804Operation when pushdown button switch SW801 is pushed 127 128 SW804 Operation when pushdown button switch SW801 is pushed Item code Data at shipment Setup data range Address setup procedure129 Terminology Address Setup & Group ControlSystem configuration 130 Automatic address example from unset address No miscabling Only turning on source power supply Automatic completion131 132 Manual setting from remote controller To know the position of indoor unit body by address Procedure Push133 Push Unit button 134 Maintenance/Check list Attachment Procedure Remarks135 Detachment 136 Part name Procedure 137 No. Part name Procedure 138 † Drain cap 1. Detachment 139 ‡ Fan motor 1. Detachment 140 ‡ Fan motor 2. Attachment 141 Drain pump 1. Detachment 142 Drain pan 1. Detachment 143 144 145 Procedure ‚ Discharge 1. Detachment 146 147 „ Replacement of 1. Control P.C. board 148 149 No. Part name Procedure Remarks † Compressor 1. Removal of defective compressor 150 Refrigerant charge 151† Compressor 2. Mounting of compressor Vacuuming ‡ PMV coil 1. Detachment 152Fan guard 1. Detachment 153 Exploded Views and Parts List 564UT-E 154Location Description Model Name 804UT-E 1104UT-E 1404UT-E 155 403 404 405 401 402 U31PG W-E 303319 156 AX31U W-E AX31U WS-E 157 158 16 6 Location Description Model Name 1591104ATZ-E 1404ATZ-E 1104ATZG-E 1404ATZG-E Description Model Name 1601104AT-E 1404AT-E 1104ATZ-E 1404ATZ-E 1104ATZG-E 1404ATZG-E Check of Concentration Limit Toshiba Carrier Corporation