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