Toyotomi CFT 35 INV-Ri User manual

Service Manual
MODEL: CFT 35 INV-Ri
CFT 50 INV-Ri
CFT 70 INV-Ri
CFT 100 INV-Ri
CFT 140 INV-Ri
CFT 170INV-Ri

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Part 1 General Information……………………………………………..……………………………1
Part 2 Indoor Units…………………………………………………………………………………..8
Part 3 Outdoor Units……………………………………………………………………………….122
Part 4 Installation………………………………….…………………………….……..…………..165
Part 5 Control……………………………………………………..…………………………….…231
Part 6 Control Function…………………………………………..…………………………….…262
Manufacture reserves the right to discontinue, or change at any time, specifications or designs without
notices and without incurring obligations.

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Part 1
General Information
1. Model Names of Indoor/Outdoor Units ..........................2
2. External Appearance .......................................................4
3. Nomenclature...................................................................6
4. Features............................................................................7

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1. Model Names of Indoor/Outdoor Units
1.1 Indoor Units
Model name Dimension
(W×H×D) (mm) Net/Gross weight (kg) Power supply
DCT 35 INV-Si 920×210×635 25/29 220~240V-1ph-50Hz
DCT 50 INV-Si 920×210×635 26/30 220~240V-1ph-50Hz
DCT 70 INV-Si 920×270×635 30/34 220~240V-1ph-50Hz
DCT 90 INV-Si 1140×270×775 41/46 220~240V-1ph-50Hz
DCT 100 INV-Si 1140×270×775 41/46 220~240V-1ph-50Hz
DCT 140 INV-Si 1200×300×865 49/55 220~240V-1ph-50Hz
DCT 170 INV-Si 1200×300×865 49/55 220~240V-1ph-50Hz
CFT 35 INV-Ri 990×203×660 27/33 220~240V-1ph-50Hz
CFT 50 INV-Ri 990×203×660 29/35 220~240V-1ph-50Hz
CFT 70 INV-Ri 990×203×660 29/35 220~240V-1ph-50Hz
CFT 90 INV-Ri 1280 ×203× 660 37/42 220~240V-1ph-50Hz
CFT 100 INV-Ri 1280 ×203× 660 37/42 220~240V-1ph-50Hz
CFT 140 INV-Ri 1670× 240× 680 52/59 220~240V-1ph-50Hz
CFT 170 INV-Ri 1670× 240× 680 52/59 220~240V-1ph-50Hz
CCT 50 INV-Si 840x230x840 28/34 220~240V-1ph-50Hz
CCT 70 INV-Si 840x230x840 29/36 220~240V-1ph-50Hz
CCT 90 INV-Si 840x300x840 36/41 220~240V-1ph-50Hz
CCT 100 INV-Si 840x300x840 36/41 220~240V-1ph-50Hz
CCT 140 INV-Si 840x300x840 36/41 220~240V-1ph-50Hz
CCT 170 INV-Si 840x300x840 42/50 220~240V-1ph-50Hz
CCT 301 INVi 580x254x580 18/27.5 220~240V-1ph-50Hz
CCT 501 INVi 580x254x580 21/28 220~240V-1ph-50Hz
1.2 Outdoor Units
Model name Dimension
(W×H×D) (mm)
Net/Gross weight
(kg) Power supply
CCT 301 INVo
CFT 35 INV-Ro
DCT 35 INV-So
761×593×279 39.5/42.5 220~240V-1ph-50Hz
CCT 501 INVo
CCT 50 INV-So
CFT 50 INV-Ro
DCT 50 INV-So
842×695×324 59/63 220~240V-1ph-50Hz
CCT 70 INV-So
CFT 70 INV-Ro
DCT 70 INV-So
895x862x313 73/76 220~240V-1 Ph-50Hz
CCT 100 INV-So-1
CFT 100 INV-Ro-1
DCT 100 INV-So-1
940×1245×360 106/114 220~240V-1ph-50Hz
CCT 90 INV-So
CFT 90 INV-Ro
DCT 90 INV-So
990×966×354 92/100 220~240V-1ph-50Hz
CCT 100 INV-So
CFT 100 INV-Ro
DCT 100 INV-So
990×966×354 87/95 380V-3ph-50Hz
CCT 140 INV-So-1
CFT 140 INV-Ro-1
DCT 140 INV-So-1
940×1245×360 106/114 220~240V-1ph-50Hz

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CCT 140 INV-So
CFT 140 INV-Ro
DCT 140 INV-So
940×1245×360 99/107 380V-3ph-50Hz
CCT 170 INV-So
CFT 170 INV-Ro
DCT 170 INV-So
940×1245×360 115/121 380V-3ph-50Hz
DHP 170 INV -Ro 940×1245×360 124/130 380~415V-3 Ph-50Hz

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2. External Appearance
2.1 Indoor units
Ceiling & Floor

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2.2 Outdoor unit
CCT 301 INVo, CFT 35 INV-Ro, DCT 35 INV-So
CCT 501 INVo, CCT 50 INV-So,
CFT 50 INV-Ro, DCT 50 INV-So
CCT 70 INV-So, CFT 70 INV-Ro, DCT 70 INV-So CCT 90 INV-So, CFT 90 INV-Ro, DCT 90 INV-So
CCT 100 INV-So, CFT 100 INV-Ro, DCT 100 INV-So
CCT 100 INV-So-1, CFT 100 INV-Ro-1, DCT 100 INV-So-1
CCT 140 INV-So-1, CFT 140 INV-Ro-1, DCT 140 INV-So-1
CCT 140 INV-So, CFT 140 INV-Ro, DCT 140 INV-So
CCT 170 INV-So, CFT 170 INV-Ro, DCT 170 INV-So
DHP 170 INV -Ro

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3. Nomenclature

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4. Features
4.1 Universal outdoor unit design
Indoor unit with the same capacity can match with the same outdoor unit.
4.2 High efficiency and energy saving.
Thanks to the DC inverter technology and optimized piping system, the EER and COP of whole
series can easily reach A-class.
4.3 Low noise and low starting current.
Thanks to the DC inverter technology, the system can work with low noise, and very small starting
current.
4.4 Intelligent refrigerant adjustment technology.
Throttle part is made up of capillary and electronic expansion valve (EXV). The outdoor unit can
output the most accurate capacity in any condition.
4.5 Working in cooling mode under -15 .
Outdoor unit built-in with low ambient kit, it can control the outdoor unit’s fan and cooling can be
performed throughout the year for computer rooms, banquet halls, etc. Wide operation range
covers outdoor temperatures as low as -15 for cooling.
4.6 Indoor & outdoor unit’s power supply is separate.
4.7 All indoor units have network control function.
4.8 All indoor units have Auto-restart function.

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Part 2
Indoor Units
1. Ceiling and Floor Type…………………………………9