• Compensated capacity of outdoor units
1. Find (TCout)r.
Refer to the value marked blue in "Cooling capacity table (Outdoor unit)" on page 02-54 or
the value marked orange in "Heating capacity table (Outdoor unit)" on page 02-63.
2. Find the following compensation coefficient.
Refer to "Capacity compensation coefficient" on page 02-13.
– Compensation coefficient of pipe length
– Compensation coefficient of frosting/defrosting (For heating calculation only)
3. Calculate ∑(TCin)r.
4. Calculate the ratio of ∑(TCin)r to (TCout)r.
Refer to "Cooling capacity range of connectable indoor units" on page 02-12 and confirm
whether satisfy the condition.
5. Find (TCout)d using the value of previous step and "Cooling capacity table (Outdoor unit)" on
page 02-54 or "Heating capacity table (Outdoor unit)" on page 02-63.
6. Calculate (TCout)c.
– Cooling calculation
(TCout)c = (TCout)d × compensation coefficient of pipe length
– Heating calculation
(TCout)c = (TCout)d × compensation coefficient of pipe length × compensation coefficient
of defrosting/frosting
• System capacity
1. Calculate ∑(TCin)d.
2. System capacity is the smaller value of (TCout)c and ∑(TCin)d.
• Actual capacity of each indoor unit
Calculate actual capacity of each indoor unit by dividing system capacity proportionally.
Actual capacity of indoor unit = (System capacity) × (TCin)r/∑(TCin)r
1-3. Capacity calculation method - (02-5) - 1. Model selection and capacity calculation
MODEL
SELECTION
MODEL
SELECTION
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