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RAS-4M27YACV-E
Toshiba RAS-4M27YACV-E Manuals
Manuals and User Guides for Toshiba RAS-4M27YACV-E. We have
3
Toshiba RAS-4M27YACV-E manuals available for free PDF download: Service Manual, Installation Manual
Toshiba RAS-4M27YACV-E Service Manual (117 pages)
split type
Brand:
Toshiba
| Category:
Air Conditioner
| Size: 3.46 MB
Table of Contents
Service Manual
1
Table of Contents
2
Specifications
3
Specifications of Performance When each Indoor Unit Is Combined with Other Unit
5
Capacity Variation Ratio According to Outdoor Temperature
20
Capacity Variation Ratio According to Pipe Length
20
Operation Characteristic Curve
20
Electrical Data
21
Piping Materials and Joints Used
26
Refrigerant Piping Installation
26
Refrigerant R410A
26
Safety During Installation/Servicing
26
Flare Processing Procedures and Precautions
27
Minimum Thicknesses of Socket Joints
27
Processing of Piping Materials
27
Thicknesses of Annealed Copper Pipes
27
Dimensions Related to Flare Processing for R22
28
Dimensions Related to Flare Processing for R410A
28
Flare and Flare Nut Dimensions for R410A
28
Flare Processing Dimensions
28
Flare and Flare Nut Dimensions for R22
29
Relations between Flare Nut and Flare Seal Surface
29
Tightening Torque of Flare for R410A
29
General Tools
30
Required Tools
30
Tools Exclusive for R410A
30
Configuration of Refrigerant Charging
31
Recharging of Refrigerant
31
Brazing of Pipes
32
Materials for Brazing
32
Phosphor Bronze Brazing Filler
32
Silver Brazing Filler
32
Brazing
33
Brazing Method to Prevent Oxidation
33
Characteristics Required for Flux
33
Types of Flux
33
Construction Views
34
Indoor Unit
34
Mounting Dimension of Anchor Bolt
35
Outdoor Unit
35
Simple Check Points for Diagnosing Faults
36
Wiring Diagram
36
Color Identification
37
Specifications of Electrical Parts
38
Refrigerant Cycle Diagram
40
Operation Data
43
Control Block Diagram
48
Outdoor Unit (Inverter Assembly)
49
Operation Description
50
Outline of Air Conditioner Control
50
Capacity Control
51
Compressor Revolution Range
51
Current Release Control
51
Power Factor Improvement Control
51
Indoor Fan Control (DC Fan Motor)
52
Louver Control
52
P. M. V. (Pulse Modulating Valve)
52
Prevent-Freezing Control
52
Description of Operation Circuit
53
Fan Only Operation
53
Outdoor Fan Control (DC Fan Motor)
53
Cooling Capacity Control
54
Cooling Operation
54
Setting of Air Flow
54
Compressor Motor Speed Control
55
Discharge Temperature Control
55
Limit for Maximum Compressor Motor Speed by Indoor Fan Speed
55
DRY Operation
56
ECONO. Operation Control
56
Cold Draft Preventing Control
57
Dehumidifying-Preferential Cooling Capacity Control
57
Heating Operation
57
High-Temp. Release Control
58
Auto Operation
59
Temporary Auto Operation
59
Temporary Cooling Operation
59
Temporary Operation
59
Auto Restart Function
60
How to Set the Auto Restart
60
How to Cancel the Auto Restart
61
In Case of Power Failure During the Timer Operation
61
Remote Control and Its Functions
62
Names and Functions of Indications on Remote Control
63
Installation Procedure
64
Safety Cautions
64
Installation/Servicing Tools
65
Indoor Unit
66
Cutting a Hole
67
Installation Place
67
Mounting the Installation Plate
67
Remote Controller
67
Die-Cutting Front Panel Slit
68
How to Connect the Connecting Cable
68
Piping and Drain Hose Forming
68
Wiring Connection
68
In Case of Bottom Right or Bottom Left Piping
69
In Case of Right or Left Piping
69
Indoor Unit Fixing
69
Left-Hand Connection with Piping
69
How to Mount the Front Panel
70
How to Remove the Front Cabinet
70
Position of Remote Control Selector Switch
70
Setting of Remote Controller Selector Switch
70
Check and Test Operation
71
Accessory and Installation Parts
72
Optional Installation Parts
72
Refrigerant Piping
72
Refrigerant Piping Connection
73
How to Remove the Side Panel
74
Tightening Connection
74
Tightening Torque of Flare Pipe Connections
74
Electrical Work
75
Evacuating
75
How to Wire
75
3 Units (a + B + C) Multi
76
4 Units (a + B + C + D) Multi
76
Stripping Length Power Cord and Connecting Cable
76
Miswiring (Mispiping) Check
77
Miswiring (Mispiping) Check by LED Indication
77
Self-Diagnosis by LED Indication
78
Useful Functions
78
How to Diagnose the Trouble
79
Confirmation of Power Supply
80
Confirmation of Power Voltage
80
First Confirmation
80
Operation Which Is Not a Trouble
80
Primary Judgment
80
Judgment by Flashing LED of Indoor Unit
81
How to Use Remote Control in Service Mode
82
Self-Diagnosis by Remote Control
82
Caution at Servicing
83
Judgement of Trouble by Every Symptom
85
Power Is Not Turned on (Does Not Operate Entirely)
85
Power Is Not Turned on Though Indoor P.C. Board Is Replaced
86
Only Indoor Fan Motor Does Not Operate
87
Indoor Fan Motor Starts Rotating by Turning on Power Supply Alone
88
How to Examine Whether Remote Controller Is Good or Bad
89
Outdoor Unit Does Not Operate
90
Outdoor Unit Stops in a Little While after Operation Started
90
Wiring Failure (Interconnecting and Serial Signal Wire)
90
Trouble Diagnosis by Outdoor LED
91
How to Diagnose Trouble in Outdoor Unit
92
Summarized Inner Diagnosis of Inverter Assembly
92
How to Check Simply the Main Parts
93
How to Check the P.C. Board
93
P.C. Board Layout
95
Sensor Characteristic Table
96
How to Simply Judge Whether Outdoor Fan Motor Is Good or Bad
99
How to Replace the Main Parts
100
Microcomputer
102
Exploded Views and Parts List
110
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Toshiba RAS-4M27YACV-E Service Manual (125 pages)
Split Type
Brand:
Toshiba
| Category:
Air Conditioner
| Size: 2.61 MB
Table of Contents
Service Manual
1
Table of Contents
2
Specifications
3
Operation Characteristic Curve
20
Electrical Data
21
Refrigerant R410A
26
Recharging of Refrigerant
31
Brazing of Pipes
32
Construction Views
34
Outdoor Unit
35
Wiring Diagram
36
Specifications of Electrical Parts
38
Refrigerant Cycle Diagram
40
Operation Data
43
Control Block Diagram
48
Outdoor Unit (Inverter Assembly)
49
Operation Description
50
Remote Controller
62
Installation Procedure
63
Indoor Unit
65
Installation/Servicing Tools
78
How to Diagnose the Trouble
79
Judgment by Flashing Led of Indoor Unit
81
Judgment of Trouble by Every Symptom
85
How to Diagnose Trouble in Outdoor Unit
91
How to Simply Judge Whether Outdoor Fan Motor Is Good or Bad
97
How to Replace the Main Parts
98
Exploded Views and Parts List
108
Toshiba RAS-4M27YACV-E Installation Manual (43 pages)
Brand:
Toshiba
| Category:
Air Conditioner
| Size: 2.59 MB
Table of Contents
Air Conditioner
1
Table of Contents
2
Precautions for Safety
3
Accessory and Installation Parts
4
Refrigerant Piping
5
Installation Place
5
Optional Installation Parts (Local Supply)
5
Optional Installation Parts (Separate Sold)
5
Refrigerant Piping Connection
5
Installation
6
Evacuating
7
Electrical Work
8
Check and Test Operation
9
Miswiring (Mispiping) Check
9
Useful Functions
10
Installation/Servicing Tools
10
Mesures De Securite
11
Accessoires Et Pièces D'installation
12
Tuyauterie Pour Réfrigérant
13
Lieu D'installation
13
Pièce D'installation En Option (Fourniture Locale)
13
Pièce D'installation En Option (Vendues Séparément)
13
Raccord De Tuyauterie Pour Réfrigérant
13
Installation
14
Evacuation
15
Interventions Électriques
16
Contrôles Et Essais
17
Controles Des Mauvaises Connexions (Mauvais Raccordements)
17
L L ¤ ¤ L
17
L L
17
Fonctions Supplementaires
18
Outil D'installation /D'entretien
18
Sicherheitsvorkehrungen
19
Zubehör Und Installationsteile
20
Kühlmittel-Leitungssystem
21
Installations-Ort
21
Optionale Installationsteile (Örtlich Lieferbar)
21
Optionale Installationsteile (Getrennt Erhältlich)
21
Kühlmittel-Rohrleitungs-Anschluß
21
Installation
22
Leerpumpen Der Rohrleitungen
23
Arbeiten an Der Elektrik
24
Prüf- Und Testvorgang
25
Überprüfen Auf Falsche Verkabelung Oder Rohrverlegung
25
D800 D801 D802 D803 D804
25
L L L L
25
Nützliche Funktionen
26
Installation/Wartungswerkzeuge
26
L L ¤ L L
26
Precauzioni Per La Sicurezza
27
Componenti Accessori E Per L'installazione
28
Tubazioni Del Refrigerante
29
Punto DI Installazione
29
Componenti Opzionali Per L'installazione
29
(Fornitura Locale)
29
Componenti Opzionali Per L'installazione (Vendute Separatamente)
29
Collegamento Delle Tubazioni Del Refrigerante
29
Installazione
30
Svuotamento Delle Tubature
31
Collegamenti Elettrici
32
Operazioni DI Verifica E DI Prova
33
Verifica Degli Eventuali Errori Nei Collegamenti Elettrici
33
(Nelle Tubature)
33
Led
33
D800 D801 D802 D803 D804
33
Funzionii Utili
34
Attrezzi Per L'installazione/L'assistenza Tecnica
34
D800 D801 D802 D803 D804
34
L L L L
34
L L L
34
Led
34
Precauciones Sobre Seguridad
35
Accesorios Y Componentes Para La Instalación
36
Tubería De Refrigerante
37
Sitio De Instalación
37
Componentes Opcionales De Instalación (Provisión Local)
37
Componentes Opcionales De Instalación (De Venta Independiente)
37
Conexión De La Tubería De Refrigerante
37
Instalación
38
Evacuación
39
Trabajos Eléctricos
40
Operación De Control Y Prueba
41
Control De Cableado Incorrecto (Tubería Incorrecta)
41
D800 D801 D802 D803 D804
41
Funciones Útiles
42
Herramientas Para La Instalación/ El Mantenimiento
42
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