Toyotomi CCT70A-M User manual

Service Manual
MODEL:
CCT70A-M
CCT140A-M

Four-wayCassetteType
Four-wayCassetteType
Four-wayCassetteType
1. Features......................................................................................................
2. Dimensions.................................................................................................
3. ServiceSpace.............................................................................................
4. Wiring Diagrams.........................................................................................
5.Air Velocityand TemperatureDistributions(Reference Data)..................
6. ElectricCharacteristics..............................................................................
7. Sound Levels..............................................................................................
8.Accessories................................................................................................
9. TheSpecificationofPower........................................................................
10. FieldWiring...............................................................................................

Features
Four-wayCassetteType
1.Features
1.1Newpanel(60kstandard)
ØNew panelwith360°airflow supply
ØAir intakegrillelift functionfor supper thincassette, convenient formaintenance.
1.23Dscrewfantechnology
Ø3Dscrewindoorfan technologyreducesthe airresistance,increases the airvolumeandimproves the
heat exchange efficiency. Operatequietly.
1.3Airpassagefunction
ØReserves the space forair outletfromthe side ofindoorunit; It’savailedtoconnectairductfromsideto
nearbysmallrooms.
For duct connecting

Features
Four-wayCassetteType
1.4Drainagepump
ØBuild-inwaterpumpwhichpumping head is750mmupmost. It’sconvenienttoinstalldrainagepiping
undermost spacecondition.
1.5LEDdisplay
ØDigitalLEDinterface, makes the unit moreelegant.
ØNormallydisplaythe settingtemperature
ØLEDcan displaythe ErrorCodetomakethe malfunction checking easier.

Dimensions
Four-wayCassetteType
2.Dimensions
CCT70A-M
4-install hanger
Gas side
Liquidside
E-partsbox
Pumpinspecthole
Drainhole
CCT140A-M
4-install hanger
Gasside
Liquidside
E-partsbox
Pump inspect hole
Drainhole

Service Space
Four-wayCassetteType
3.Service Space
The indoor unit shouldbe installed inalocationthat meetsthe following requirements:
●Thereisenough roomfor installation and maintenance.
●The ceilingishorizontal,and itsstructurecanendurethe weight ofthe indoor unit.
●The outlet and the inlet arenot impeded, and the influence ofexternalair isthe least.
●The air flow can reach throughout the room.
●The connecting pipeanddrainpipe couldbe extracted out easily.
●Thereisno direct radiation fromheaters.

WiringDiagrams
Four-wayCassetteType
Wiring Diagrams
CCT70A-M

WiringDiagrams
Four-wayCassetteType
CCT140A-M

Air Velocityand Temperature Distributions(ReferenceData)
Four-wayCassetteType
5.Air Velocityand TemperatureDistributions(ReferenceData)
Airflowvelocity
Temperature

Electric Characteristics
Four-wayCassetteType
6.ElectricCharacteristics
Model Indoor Units Power Supply
Hz
Voltage Min. Max. MFA
CCT70A-M 50220-240V 198V 254V 25
CCT140A-M 50 380-415V 342V 418V 15
Remark:
MFA: Max. FuseAmps. (A)
7.Sound Levels
1.0m
FOUR-WAY CASSETTETYPE
Microphone
Model Noiselevel dB(A)
H M L
CCT70A-M 42 40 39
CCT140A-M 44 42 41

Accessories
Four-wayCassetteType
8.Accessories
InstallationFittings
Name Shape Quantity
1. Expansiblehook 4
2. Installation hook 4
3. Installation paperboard1
4. BoltM5 4
Tubing & Fittings
5. Connecting pipegroup 1
6. Bindingtape 6
7.Soundproof/insulation sheath 2
Drainpipe Fittings
8. Out-let pipe sheath 1
9. Out-let pipe clasp 1
10.Tighteningband 20
11. Drain joint 1
12. Sealring 1
ProtectPipeFittings
13.Wallconduit 1
14.Wallconduitcover 1
Remotecontroller & Its
Frame
15. Remotecontroller 1
16. Frame 1
17. Mounting screw(ST2.9×10-C-H) 2
18.Alkalinedrybatteries(AM4) 2
Others
19. Owner'smanual 1
20. Installationmanual 1

The Specification of Power
Four-wayCassetteType
9.TheSpecification ofPower
Cooling &heating
Type 24000Btu/h
48000
Btu/h
Power
Phase 1-phase 3-phase
Frequencyand
Voltage 220-240V, 50Hz 380-415V, 50Hz
CircuitBreaker/ Fuse(A) 40/25 25/15
Indoor Unit PowerWiring (mm2) 3×2.5 5×2.5
Indoor/OutdoorConnecting
Wiring(mm2)
Ground Wiring 4.0 2.5
OutdoorUnit
PowerWiring 3×2.5 5×2.5
Strong Electric
Signal 3×1.5 3×1.0
WeakElectric
Signal
2-coreshield
wire2×0.75

FieldWiring
Four-wayCassetteType
10.FieldWiring
Wiring chart
MCC-24HRN1

FieldWiring
Four-wayCassetteType
CCT140A-M

OutdoorUnits
OutdoorUnits
Part3
OutdoorUnits
1. Dimensions.................................................................................................
2. Service Space.............................................................................................
3. Piping Diagrams.........................................................................................
4. Wiring Diagrams.........................................................................................
5. ElectricCharacteristics..............................................................................
6. Operation Limits.........................................................................................
7. Sound Levels..............................................................................................

Dimensions
OutdoorUnits
1.Dimensions
mm
Model A B C D E F H
CCT70A-M 842 560 335 360
312
324
695

Dimensions
OutdoorUnits
mm
Model A B C D E F H
CCT140A-M 900 590
378
400
330
340
1167

Service Space
OutdoorUnits
2.Service Space
Morethan 60cm
Morethan30cm
Morethan 60cm
Morethan200cm
Airinlet
Airinlet Morethan30cm
Airoutlet
(Wall orobstacle)
Maintainchannel

PipingDiagrams
OutdoorUnits
3.Piping Diagrams
CCT70A-M
LIQUIDSIDE
GASSIDE
HEAT
EXCHANGE
(EVAPORATOR)
HEAT
EXCHANGE
(CONDENSER)
COMPRESSOR
2-WAYVALVE
3-WAYVALVE
4-WAYVALVE
COOLING
HEATING
T2Evaporator
temp. sensor
T1Roomtemp.
sensor
T3Condenser
temp. sensor
ACCUMULATOR
INDOOR OUTDOOR
CHECKVALVE
(HeatingModel only)
CAPILIARY TUBE
For CCT70A-M,the accumulator isnot included.

PipingDiagrams
OutdoorUnits
LIQUID SIDE
GAS SIDE
HEAT
EXCHANGE
(EVAPORATOR)
HEAT
EXCHANGE
(CONDENSER)
COMPRESSOR
2-WAYVALVE
3-WAYVALVE
4-WAY VALVE
COOLING
HEATING
T2 Evaporator
temp. sensor
T1 Roomtemp.
sensor
T3 Condenser
temp. sensor
ACCUMULATOR
INDOOR OUTDOOR
T4Ambient
temp. sensor
CHECK VALVE
(Heating Model only)
CAPILIARY TUBE