Toshiba HFC R-410A manual Equipment selection procedure, Selection flow chart

4.Equipment selection procedure

1. Selection flow chart

1. Determination of indoor air conditioning load

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2. Preliminary selection of indoor units

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3. Preliminary selection of outdoor unit with indoor units

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4. Capacity correction for piping length/height between indoor and outdoor units

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5. Capacity correction based on indoor and outdoor temperature

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6. Validate preliminary selection of indoor units

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No

7. Confirmation of selection for indoor unit and outdoor units

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End

2. Indoor unit and outdoor unit combination

For indoor unit, the capacity code is decided for each model size.

Model size	007	009	012	015	018	024	027	030	036	048	056	072	096
Cooling capacity, kW	2.2	2.8	3.6	4.5	5.6	7.1	8.0	9.0	11.2	14.0	16.0	22.4	28.0
Capacity code	0.8	1	1.25	1.7	2	2.5	3	3.2	4	5	6	8	10

Note: Model size: corresponding to Btu/h. Capacity code: corresponding to horsepower.

For outdoor unit, maximum number of connectable indoor units and total capacity code of indoor units are decided.

Outdoor unit	Outdoor unit	Capacity code	Max. No. of	Total indoor unit
(cooling only)	(heat pump)	of outdoor unit	indoor units	capacity code
MMY-MAP0501T8	MMY-MAP0501HT8	5	8	2.5 to 6.75
MMY-MAP0601T8	MMY-MAP0601HT8	6	10	3 to 8.1
MMY-MAP0801T8	MMY-MAP0801HT8	8	13	4 to 10.8
MMY-MAP1001T8	MMY-MAP1001HT8	10	16	5 to 13.5
MMY-MAP1201T8	MMY-MAP1201HT8	12	20	6 to 16.2
MMY-AP1401T8	MMY-AP1401HT8	14	23	7 to 18.9
MMY-AP1601T8	MMY-AP1601HT8	16	27	8 to 21.6
MMY-AP1801T8	MMY-AP1801HT8	18	30	9 to 24.3
MMY-AP2001T8	MMY-AP2001HT8	20	33	10 to 27.0
MMY-AP2201T8	MMY-AP2201HT8	22	37	11 to 29.7
MMY-AP2211T8	MMY-AP2211HT8	22	37	11 to 29.7
MMY-AP2401T8	MMY-AP2401HT8	24	40	12 to 32.4
MMY-AP2411T8	MMY-AP2411HT8	24	40	12 to 32.4
MMY-AP2601T8	MMY-AP2601HT8	26	43	13 to 35.1
MMY-AP2801T8	MMY-AP2801HT8	28	47	14 to 37.8
MMY-AP3001T8	MMY-AP3001HT8	30	48	15 to 40.5
MMY-AP3201T8	MMY-AP3201HT8	32	48	16 to 43.2
MMY-AP3211T8	MMY-AP3211HT8	32	48	16 to 43.2
MMY-AP3401T8	MMY-AP3401HT8	34	48	17 to 45.9
MMY-AP3411T8	MMY-AP3411HT8	34	48	17 to 45.9
MMY-AP3601T8	MMY-AP3601HT8	36	48	18 to 48.6
MMY-AP3611T8	MMY-AP3611HT8	36	48	18 to 48.6
MMY-AP3801T8	MMY-AP3801HT8	38	48	19 to 51.3
MMY-AP4001T8	MMY-AP4001HT8	40	48	20 to 54.0
MMY-AP4201T8	MMY-AP4201HT8	42	48	21 to 56.7
MMY-AP4401T8	MMY-AP4401HT8	44	48	22 to 59.4
MMY-AP4601T8	MMY-AP4601HT8	46	48	23 to 62.1
MMY-AP4801T8	MMY-AP4801HT8	48	48	24 to 64.8

50 to 135% of outdoor unit capacity

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