Toyotomi CCT70A-M, CCT140A-M Service Manual
Service Manual
MODEL:
CCT70A-M
CCT140A-M
Four-way Cassette Type
Four-way Cassette Type
Four-way Cassette Type
1. Features ......................................................................................................
2. Dimensions .................................................................................................
3. Service Space .............................................................................................
4. Wiring Diagrams .........................................................................................
5. Air Velocity and Temperature Distributions(Reference Data) ..................
6. Electric Characteristics ..............................................................................
7. Sound Levels ..............................................................................................
8. Accessories ................................................................................................
9. The Specification of Power ........................................................................
10. Field Wiring ...............................................................................................
Features
Four-way Cassette Type
1. Features
1.1 New panel (60k standard)
Ø New panel with 360° airflow supply
Ø Air intake grille lift function for supper thin cassette, convenient for maintenance.
1.2 3D screw fan technology
Ø 3D screw indoor fan technology reduces the air resistance, increases the air volume and improves the
heat exchange efficiency. Operate quietly.
1.3 Air passage function
Ø Reserves the space for air outlet from the side of indoor unit; It’s availed to connect air duct from side to
nearby small rooms.
For duct connecting
Features
Four-way Cassette Type
1.4 Drainage pump
Ø Build-in water pump which pumping head is 750mm upmost. It’s convenient to install drainage piping
under most space condition.
1.5 LED display
Ø Digital LED interface, makes the unit more elegant.
Ø Normally display the setting temperature
Ø LED can display the Error Code to make the malfunction checking easier.
Dimensions
Four-way Cassette Type
2. Dimensions
CCT70A-M
4-install hanger
Gas side
Liquid side
E-parts box
Pump inspect hole
Drain hole
CCT140A-M
4-install hanger
Gas side
Liquid side
E-parts box
Pump inspect hole
Drain hole
Service Space
Four-way Cassette Type
3. Service Space
The indoor unit should be installed in a location that meets the following requirements:
● There is enough room for installation and maintenance.
● The ceiling is horizontal, and its structure can endure the weight of the indoor unit.
● The outlet and the inlet are not impeded, and the influence of external air is the least.
● The air flow can reach throughout the room.
● The connecting pipe and drainpipe could be extracted out easily.
● There is no direct radiation from heaters.
Wiring Diagrams
Four-way Cassette Type
Wiring Diagrams
CCT70A-M
Wiring Diagrams
Four-way Cassette Type
CCT140A-M
Air Velocity and Temperature Distributions(Reference Data)
Four-way Cassette Type
5. Air Velocity and Temperature Distributions(Reference Data)
Airflow velocity
Temperature
Electric Characteristics
Four-way Cassette Type
6. Electric Characteristics
Model
Indoor Units Power Supply
Hz
Voltage Min. Max. MFA
CCT70A-M 50 220-240V 198V 254V 25
CCT140A-M 50 380-415V 342V 418V 15
Remark:
MFA: Max. Fuse Amps. (A)
7. Sound Levels
1.0m
FOUR-WAY CASSETTE TYPE
Microphone
Model
Noise level dB(A)
H M L
CCT70A-M 42 40 39
CCT140A-M 44 42 41
Accessories
Four-way Cassette Type
8. Accessories
Installation Fittings
Name Shape Quantity
1. Expansible hook
4
2. Installation hook
4
3. Installation paper board
1
4. Bolt M5
4
Tubing & Fittings
5. Connecting pipe group 1
6. Binding tape
6
7.Soundproof/insulation sheath
2
Drainpipe Fittings
8. Out-let pipe sheath
1
9. Out-let pipe clasp
1
10. Tightening band
20
11. Drain joint
1
12. Seal ring
1
Protect Pipe Fittings
13. Wall conduit
1
14. Wall conduit cover
1
Remote controller & Its
Frame
15. Remote controller
1
16. Frame
1
17. Mounting screw(ST2.9×10-C-H)
2
18. Alkaline dry batteries (AM4)
2
Others
19. Owner's manual
1
20. Installation manual
1
The Specification of Power
Four-way Cassette Type
9. The Specification of Power
Cooling & heating
Type 24000 Btu/h
48000
Btu/h
Power
Phase 1-phase 3-phase
Frequency and
Voltage
220-240V, 50Hz 380-415V, 50Hz
Circuit Breaker/ Fuse (A) 40/25 25/15
Indoor Unit Power Wiring (mm2) 3×2.5 5×2.5
Indoor/Outdoor Connecting
Wiring (mm2)
Ground Wiring 4.0 2.5
Outdoor Unit
Power Wiring
3×2.5 5×2.5
Strong Electric
Signal
3×1.5 3×1.0
Weak Electric
Signal
2-core shield
wire 2×0.75
Field Wiring
Four-way Cassette Type
10. Field Wiring
Wiring chart
MCC-24HRN1
Field Wiring
Four-way Cassette Type
CCT140A-M
Outdoor Units
Outdoor Units
Part 3
Outdoor Units
1. Dimensions .................................................................................................
2. Service Space .............................................................................................
3. Piping Diagrams .........................................................................................
4. Wiring Diagrams .........................................................................................
5. Electric Characteristics ..............................................................................
6. Operation Limits .........................................................................................
7. Sound Levels ..............................................................................................
Loading...