INDOOR UNIT <DIGITAL INVERTER>
SERVICE MANUAL SPLIT TYPE
R410A
FILE NO. A10-001 Revised: May,
CONTENTS
– 3 –
Original instruction
Generic Denomination: Air Conditioner
– 4 –
Work undertaken
Protective gear worn
Indication
Warning Indications on the Air Conditioner Unit
BURST HAZARD
– 5 –
Warning indication
– 6 –
Precaution for Safety
DENGER
– 7 –
– 8 –
– 9 –
Sound power level dB
Weight kg
– 10 –
Model
New Refrigerant R410A
1 Copper pipe <Piping>
<Flare nut>
2Joint
– 12 –
4.Tools
General tools Conventional tools can be used
1-1-1.Concealed Duct High static pressure Type
– 13 –
Model
Indoor unit
– 14 –
Model
Indoor unit
RAV-SM2242DT-TR
2. CONSTRUCTION VIEWS EXTERNAL VIEWS
– 15 –
Indoor Unit
SM2242DT-E
– 16 –
Indoor unit
Indoor unit
Outer diameter of refrigerant pipe
– 17 –
Control P.C. Board
for Indoor Unit
E,RAV-SM2802DT-E -TR,RAV-SM2802DT-TR
4-2.Fan Characteristics
– 18 –
REQUIREMENT
– 19 –
Fan motor wiring
Low static pressure F1
Standard Middle static pressure F2
High static pressure F3
5. SPECIFICATIONS OF ELECTRICAL PARTS
Specifications
5-1.Indoor Unit
– 21 –
6-1.Indoor Controller Block Diagram
6. INDOOR CONTROL CIRCUIT
– 22 –
Indoor unit
Outline of specifications
– 23 –
Item
Remarks
Remarks
– 24 –
Item
Outline of specifications
– 25 –
Ta ˚C Cooling
+1.5
Outline of specifications
K 2 J
– 26 –
Remarks
Outline of specifications
Setup at shipment
– 27 –
Item
Outline of specifications
<In case of wired remote controller>
– 28 –
Item
Outline of specifications
– 29 –
Item
Remarks
6-3.Indoor
Print Circuit Board
– 30 –
<MCC-1403>
Connector
Specifications
– 31 –
Function
<Wired remote controller type>
– 32 –
Trouble
Confirmation of check code display
How to read check monitor display
Procedure
Procedure
Procedure
– 34 –
2 4 13
nRemote controller switch monitoring function
Page
Error mode detected by indoor unit
Operation of diagnostic function
– 36 –
Judgment and measures
Error mode detected by outdoor unit
– 37 –
Operation of diagnostic function
– 38 –
Check code
Judgment and measures
– 39 –
– 40 –
Check code E01 error
E09 error
– 41 –
E04 error
E10 error
E18 error
E08, L03, L07, L08 error
L09 error
– 42 –
L20 error
L30 error
P30 error Central controller
– 43 –
– 44 –
P10 error
P01 error
P19 error
– 45 –
– 46 –
F02 error
F01 error
C06 error 1:1 model connection interface
– 47 –
E03 error Master indoor unit
F29 error
P31 error Follower indoor unit
– 48 –
Temperature sensor TA, TC, TCJ
Temperature
TA, TC, TCJ sensors
– 49 –
Checking procedure
– 50 –
Part name
Resistance value
Page
1 Setting data read out from EEPROM
Contents
– 52 –
CODE No. required at least
3 6 5
– 53 –
Step
Step
Setting data
Setting data
Setting data
– 54 –
3 4 5 6
9-1-1.Test Run Setup on Remote Controller
<Wired remote controller>
Preparation in advance
4 5 2
1 2 3 4 5 6 END
9-1-4.Function Selection Setup
Using the set temperature
Contents
– 57 –
Function selection item No. DN list
Item
Operation
<Wired remote controller>
Setup method
– 59 –
nCalling of sensor temperature display
<Procedure>
nCalling of error history
<Procedure>
Group control operation
– 60 –
nIndoor unit power-ONsequence
– 61 –
9-2.Setup at Local Site / Others
2. Microprocessor block diagram
9-2-1.1:1 Model Connection Interface 1. Function
– 62 –
– 63 –
4.Wiring specifications
5. P.C. board switch SW01 setup
1 2 3
3 1 4
6. External view of P.C. board assembly
7.Address setup
– 65 –
– 66 –
10. ADDRESS SETUP
10-1.Address Setup Procedure
10-2-1.System Configuration
– 67 –
2.Group operation
– 68 –
1.Standard One outdoor unit 1Single
1 2 3 4 5 6 7 8 9 10 11 END
2, 5,
3, 6, 9 4, 7,
1 2 END
1 2 3 END
nConfirmation of indoor unit No. position
– 70 –
Contents
11. OWNER’S MANUAL
1 PRECAUTIONS FOR SAFETY
Installation
– 72 –
nWarning Indications on the Air Conditioner Unit
Symbol
Symbol
– 73 –
Examples of indication on the carton
3 WIRED REMOTE CONTROLLER
2 PART NAMES
2 Error display
3 SETTING display
1 2 3 4
5 7 8 9 11 12
Remote controller sensor
13 Remote controller sensor display
4 CORRECT USAGE
When restarting the operation after stop
– 76 –
nPreparation
5 TIMER OPERATION
6 POWER SAVING MODE
1 2 3
Example of remote control display • 23.5 hours ∗1
7 ADVANCED SETTINGS
8 ENERGY SAVING RECOMMENDATIONS
nPower saving mode
When the protective device is activated
9 MAINTENANCE
Cleaning air filters
Maintenance List
Cleaning remote controller
11 INSTALLATION
10 AIR CONDITIONER OPERATIONS AND PERFORMANCE
Power failure
Heating characteristics Preheating operation
12 TROUBLESHOOTING
13 SPECIFICATIONS
Sound power level dB
Declaration of Conformity
Contents
12. INSTALLATION MANUAL
Installation Manual
Installation Manual
– 83 –
nWarning Indications on the Air Conditioner Unit
1 PRECAUTIONS FOR SAFETY
Selection of installation location
Installation
Electrical wiring
2 ACCESSORY PARTS
New Refrigerant Air Conditioner Installation
Installation Manual
Installation Manual
3 SELECTION OF INSTALLATION PLACE
nInstallation under high-humidityatmosphere
n Installation space
nFilter cleaning sign term setting
4 INSTALLATION
n External Dimensions
nInstallation of hanging bolt
nInstallation of indoor unit
n Diagrams for making connecting flanges
<Air inlet port connecting flange>
<Duct installation example First floor>
Installation Manual
5 FAN CHARACTERISTICS
Installation Manual
Installation Manual
89 –
6 DRAIN PIPING WORK
nWire connection change of fan motor
Installation Manual
Installation Manual
nConnecting drain pipe
Installation Manual
Installation Manual
91 –
7 REFRIGERANT PIPING AND EVACUATING
Installation Manual
Installation Manual
– 92 –
Installation Manual
– 93 –
nGas side refrigerant pipe connection
nEvacuation
8 ELECTRICAL CONNECTION
nWire connection
nWiring diagram
nPower and Wiring Specification
9 APPLICABLE CONTROLS
nRemote Controller Wiring
nChanging of setting applicable control
Wiring diagram
nPower saving mode
nRemote controller switch monitoring function
nFilter sign setting
Concealed Duct High Static Pressure Procedure
Procedure example
Procedure
Manual address setup procedure
Installation Manual Procedure
Procedure
Procedure
Concealed Duct High Static Pressure Procedure
Installation Manual
11 MAINTENANCE
10 TEST RUN
<Daily maintenance>
Cleaning of air filter
12 TROUBLESHOOTING
nConfirmation of error log
Maintenance List
Procedure
nError codes and parts to be checked
Installation Manual
Installation Manual
Parts to be checked / error description
Air blower assembly 1 fan type
Air blower assembly 2 fans type
Work procedure
<Fan assembly>
Work procedure
– 103 –
Part name
Remarks
Work procedure
– 104 –
Part name
Remarks
Work procedure
– 105 –
Part name
Remarks
204, 211
206,
– 106 –
Location
215, 216,
218 214218 213
– 107 –
Location
– 108 –
WARNINGS ON REFRIGERANT LEAKAGE
Check of Concentration Limit
TOSHIBA CARRIER CORPORATION