Concealed Duct type | Toshiba CONCEALED DUCK TYPE, CEILING TYPE

1. AIR DUCTING WORK

1-1. Static Pressure Characteristics

Concealed Duct type

RAV-SN564BT ∗, RAV-SN804BT ∗, RAV-SN1104BT ∗, RAV-SN1404BT ∗

Fig. 1 SM56 type (Round duct)	Fig. 3 SM80 type (Round duct)
Standard air volume 780m³/h	Standard air volume 1140m³/h

140

140

120

120

High

static

pressure

High

static

pressure

100

2H

100

2H

tap

limit

tap

Usable

limit

Usable

High

High

(Pa)

static

pressure

(Pa)

static

pressure

1H

80

80

tap

1H

Static pressure

tap

Static pressure

Air volume limit (Max.)

60

Standard

60

Standard H

H

volume limit (Min.)

tap

volumelimit (Max.)

tap

40

Lo

w

static

40

Low

static

p

pressure

ressure

H tap

H

20

tap

20

Standard L

(Min.)limitvolumeAir

Standard

tap

Air

Air

L

tap

0

0

500

700

780

900

800

1000

1140

1200

1300

Air volume m³/h	Air volume m³/h
Fig. 2 SM56 type (Square duct)	Fig. 4 SM80 type (Square duct)
Standard air volume 780m³/h	Standard air volume 1140m³/h

	140													140
					High		static	pressure
	120						static							120


			limit								2H	tap
	108	Usable	limit									tap
		Usable

	100		High		static									100	Usable
	100		High											100
							press	ure
							press		1H
										tap
(Pa)													(Pa)
	80													80
	80											(Max.)limitvolumeAir		80	(Min.)limitvolumeAir
pressureStatic	(Min.)limitvolumeAir		Standard									(Max.)limitvolumeAir	pressureStatic		(Min.)limitvolumeAir
						H
	60						tap							60
	60													60
			Low	static
				static		pressure
	40					pressure		H						40
								H
								tap
				Standard
							L
	20						tap							20
	20													20
	0													0
	500			700			780						900	800

High
static	pressure
		2H
limit
High
static
pressure
	1H	tap
		tap
Standard
H tap
Low
static
pressure
H tap
Standard
L tap

1000

1140

1200

tap

Air volume limit (Max.)

1300

Air volume m³/h

Air volume m³/h

– 15 –

Image 15

Toshiba CONCEALED DUCK TYPE, CEILING TYPE service manual Concealed Duct type, SM56 type Round duct

CONCEALED DUCK TYPE, CEILING TYPE specifications

Toshiba has long been a name associated with innovative and efficient HVAC solutions, and their Concealed Duck Type, Ceiling Type air conditioning units exemplify this legacy. These units are designed to provide exceptional comfort while seamlessly integrating into a variety of interior spaces.

One of the main features of the Toshiba Concealed Duck Type, Ceiling Type system is its discreet installation method. Unlike traditional wall-mounted units, this system is installed within the ceiling, allowing for an unobtrusive appearance. The result is a clean and modern aesthetic, ideal for residential and commercial settings where design is a priority. With only the supply and return grilles visible, the units maintain the integrity of the interior decor.

The technology employed in Toshiba's air conditioning systems revolves around energy efficiency and user comfort. The units are equipped with inverter technology, which allows for precise temperature control and reduces energy consumption. The inverter adjusts the compressor speed to meet the cooling or heating demand, ensuring not only optimal comfort but also reduced operational costs.

Another significant characteristic of the Toshiba Concealed Duck Type units is their quiet operation. Designed with sound-dampening features, they operate at low noise levels, making them suitable for environments where noise can be a concern, such as offices, hotels, or residential spaces.

Toshiba's advanced air filtration system further enhances indoor air quality. Integrated filters capture dust and allergens, creating a healthier indoor environment. This is particularly beneficial for individuals with allergies or respiratory concerns, as the system works to reduce airborne pollutants.

The units also offer flexible control options. With the availability of remote control or smart home integration, users can easily adjust settings to suit their preferences. Additionally, some models come with programmable timers, allowing for energy savings when the space is unoccupied.

Furthermore, these units are designed for reliability and ease of maintenance. Toshiba emphasizes durability in their construction, and the concealed installation not only enhances aesthetics but also protects the unit from potential damage. Routine maintenance can be performed efficiently, ensuring longevity and sustained performance.

In summary, Toshiba's Concealed Duck Type, Ceiling Type air conditioning units deliver a blend of innovative technology, energy efficiency, and contemporary design. With features like inverter technology, quiet operation, advanced air filtration, and flexible control options, they offer a compelling choice for those seeking comfort without compromising style. These units stand as a testament to Toshiba's commitment to quality and customer satisfaction in the HVAC industry.

Contents

Split Type Contents Indoort Unit Troubleshooting Original instruction Indication Explanation Explanation of indicationsExplanation of illustrated marks Work undertaken Protective gear worn Description Confirmation of warning label on the main unit Precaution for Safety Proceeding with the repair work Refrigerant used by this air conditioner is the R410A Resistance and water drainage Explanations given to user RelocationDeclaration of Conformity Specifications Joint Safety Caution Concerned to New RefrigerantCopper pipe Piping Flare nut General tools Conventional tools can be used Tools SM56 type Round duct Concealed Duct type SM110 type Round duct RAV-SM404MUT∗, RAV-SM454MUT∗, RAV-SM564MUT∗ Space required for Installation and servicing RAV-SM564BT∗, RAV-SM804BT∗, RAV-SM1104BT∗, RAV-SM1404BT∗ Dimension RAV-SM564CT∗, RAV-SM804CT∗, RAV-SM1104CT∗, RAV-SM1404CT∗ Compact 4-way Cassette Type RAV-SM564BT ∗, RAV-SM804BT ∗, RAV-SM1104BT ∗, RAV-SM1404BT ∗ RAV-SM564CT ∗, RAV-SM804CT ∗, RAV-SM1104CT ∗, RAV-SM1404CT ∗ Ceiling Type Parts name Type Specifications Specifications of Electrical Parts Case of Connection of Wired Simple Remote Controller Indoor Controller Block Diagram Wireless remote controller Case of Connection of Wireless Remote Controller Max units Control outline Command Outline of specifications Remarks Temperature in heating Heat Ceiling type Outline of specifications Conditions TcjTcn Tc n Setup at shipment All operations Cooling/dry operation Heating/fan operation All modes Alarm Case of wired remote controller LCD Figure if To 28C Setup AT Local Outline of specifications Remarks TCJ Exct Disp CHK MCC-1402 Indoor P.C. Board Optional Connector Specifications MCC-1402 Wired remote controller type Summary of TroubleshootingBefore troubleshooting Troubleshooting procedure Wireless remote controller type Lamp indication Check code Cause of trouble occurrence Outline of judgment Lamp indication Check code Others Other than Check Code Remote controller detected Indoor unit detectedCentral control devices detected Error mode detected by indoor unit Check Code List Air conditioner Error mode detected by outdoor unit Operation of diagnostic function Check Status Power supply error of remote controller, Indoor E09 error Check code E01 error E10 error E04 error E18 error E08, L03, L07, L08 errorL09 error L20 error L30 errorP30 error Central controller F10 error P10 error P12 error Exchange to heating cycle P19 errorCheck by tester Exchange to cooling cycle F01 error F02 error C06 error 11 model connection interface E03 error Master indoor unit F29 errorP31 error Follower indoor unit TD, TL sensor Temperature Resistance value characteristic tableTA, TC, TCJ, TE, TS, to sensor TA, TC, TCJ, TE,TS, to sensor Position Resistance value Part name Checking procedure Case Replacement procedures Setting data read out from Eeprom C. Board for indoor unit servicing replacement proceduresCode No. required at least Contents MCC-1402 Writing the setting data to Eeprom Type Code No Setting data Factory-set valueSetting data Type Type name abb Setting data Type Compact 4-way Cassette Type and Concealed Duct Type Test Run Setup on Remote Controller Wired remote controller Test cooling operation Test heating operation Procedure Description Practical operation LED Display on Indoor P.C. Board D002 RedD203 Red To change item to be set up, proceed to Procedure Function Selection SetupUsing the set temperature To change the selected indoor unit, proceed to Procedure Description At shipment Item No. DN table Selection of function Description At shipment Setup method Wireless remote controllerWhen connected 2 remote controllers operate an idoor unit When connected 2 remote controllers operate the twin Contents System example Calling of error history ContentsPushing Test button returns the display to usual display Group control operation Indoor unit power-ON sequence Initial communicationUsual regular communication Model name TCB-PCNT30TLE Microprocessor block diagramModel connection interface wiring connection Model Connection Interface TCC-LINK adapter C. Board Switch SW01 Setup Wiring Specifications Push Test + Vent buttons for 4 seconds or more How to set up from indoor unit side by remote controllerExternal view of P.C. board assembly Address setup During unset time, At shipment from factory is displayed Address setup procedure Address Setup Address Setup & Group Control Terminology System configuration Example Only turning on source power supply Automatic completion Automatic Address Example from Unset Address No miswiring Button Using timer time Buttons, set the line addressPush SET + CL + Test buttons Simultaneously for 4 seconds or more Procedure To know the position of indoor unit body by addressButton if the unit stops Attachment Part name ProcedureCeiling panel RBC-UM11PGWE Preparing work Detachment Part name Procedure Remarks Panel has directionality Part name Procedure Remarks Ceiling panel No. Part name Procedure Remarks Electric parts box No. Part name Procedure Fan motor 1. Detachment Drain pump 1. Detachment Drain pan 1. Detachment Part name Procedure Remarks Heat Exchanger Recover refrigerant gasDetails of sensor lead wire drawing RAV-SM∗∗∗BT ∗ Part name Procedure Remarks Fan motor Remove the Multi blade fan † Drain pump Remove the drain pan and float switch 100 No. Part name Procedure Remarks 101 102 103 104 209 105 Location Description Model name404MUT-E 454MUT-E 564MUT-E 404MUT-TR 454MUT-TR 564MUT-TR 106 Location Model name Electric parts401 107 108 RAV-SM564BT-E RAV-SM564BT-TR 109 110 RAV-SM804BT-E RAV-SM804BT-TR 111 112 1104BT-TR 113 114 Location Model name RAV-SM Description564BT-E 804BT-E 1104BT-E 1404BT-E 264 220115 116 Description Model name RAV-SMLocation 117 Description 564CT-E 804CT-E 1104CT-E 1404CT-E 118 Check of Concentration Limit Toshiba Carrier Corporation