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Toshiba MMY-MAP0726FT2P-UL User Manual

Toshiba MMY-MAP0726FT2P-UL
287 pages
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Contents
PRECAUTIONS FOR SAFETY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Refrigerant (R410A) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..... 12
2 Wiring Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
2-1. Outdoor Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
3 Parts Rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
3-6. Parts Layout in Inverter Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
3-7. Outdoor (Inverter) Print Circuit Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
3-7-1. Interface P.C. board (MCC-1673) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
3-7-2. Inverter P.C. board for compressor (MCC-1683) A3-IPDU. . . . . . . . . . . . . . . . . . . . . . . 33
4 Refrigerant Piping Systematic Drawing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
5 Combined Refrigerant Piping System Schematic Diagrams . . . . . . . . . . . . . . . . . 41
5
-
1. All Cooling mode (Operation of cooling only) when outside temperature is high
(Standard: 90°F or higher) . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
5
-
2. All Cooling mode (Operation of cooling only) when outside temperature is
(Standard: 50°F ~ 90°F ) / Defrost mode ). . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . .. . . . . . . . .42
5
-3.
All
Cooling mode (Operation of cooling only
)
when outside temperature is low
(Standard: 50°F or lower). . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . 43
5-8. Emergency operation (All heating operation at backup of the header unit). . . . . . . . . . . . . . . . . 48
6 Control Outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
6
-1.
Indoor unit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . 50
6
-2.
Outdoor unit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .56
7 Applied Control for Outdoor Unit . .......................... .. . . . . . .. . . . . . . 65
7-
1.
Applied control for Outdoor Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . 65
7-
1-1. Outdoor Fan High Static Pressure Shift . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . 65
7-
1-2. Priority Operation Mode Setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. .. . . . . . . . 66
3-7-3. Inverter P.C. board for fan motor (MCC-1610) FAN-IPDU. . . . . . . . . . . . . . . . . . . . . . . . 34
3-7-4. Noise Filer PC board (MCC-1682 -A, -B,) . . . . . . . . . . . . . . . . . . . ...... . . . . . . . . . . . . 35
2-2. Single port FS unit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
3-1. Outdoor Unit (208/230V model: MMY-MAP0726FT2P-UL) . . ... . . .. . . . . . . . . . . . . .. . . . . . . . 27
3-2. Outdoor Inverter (208/230V model: MMY-MAP0726FT2P-UL) . . . . . . . . . . . . . . . . . . . . . . . . . 28
3-3. Multi port FS unit (RBM-Y0611F4PUL, RBM-Y0611F6PUL). . . . . . . . . . . . . . . . . . . . . . . . . . . 29
3-5. Parts Layout in Outdoor Unit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . 30
5
-
9
. Refrigerant recovery (during pump-down operation) of the troubled outdoor unit)
(In case of trouble of follower unit). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . ..49
2-3. Multi port FS unit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
1 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . 14
5-
4.
All Heating mode (Operation of heating only).. . . . . . . . . . . . . . . . . .. . . . .. .... . . . . . . . . . . ..... 44
1
(Operating heating function mainly, collective operation of cooling and heating operation). .. . ... 46
5-5. Mainly cooling mode
(Operating cooling function mainly, collective operation of cooling and heating operation). .. . ... 45
5-6. Mainly heating mode
5-7. Emergency operation (All cooling operation at backup of the header unit). . . . . . . . . . . . . . . . . 47
2-
4. Single port FS unit (Long piping model) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
3-
4.
Single port FS unit (Long piping model)
(RBM-Y0384FUL, RBM-Y0614FUL, RBM-Y0964FUL). . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . 29

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Toshiba MMY-MAP0726FT2P-UL Specifications

General IconGeneral
BrandToshiba
ModelMMY-MAP0726FT2P-UL
CategoryAir Conditioner
LanguageEnglish

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