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3) Capacity modification when indoor unit and outdoor unit and heat exchanger frost when
heating
Heating capacity = Capacity of outdoor unit after modification x frosting capacity modification
(6) Frosting capacity modification value of outdoor heat exchanger
1.0
0.9
0.8
-15
-10
Outdoor air wet-bulb temperature *
4) Calculation method of operation capacity of one set indoor unit
Operation capacity of one set indoor unit = capacity of outdoor unit after modification x
(Capacity of outdoor unit after modification: Calculated cooling capacity or heating capacity after modification in Item
1,2).
Running temperature range
45
40
35
30
25
20
15
10
5
0
-5
-10
10
indoor air wet-bulb temperature*
-5
0
cooling
15
20
25
30
26
5
10
standard operation capacity of indoor unit to be known
Total value of standard capacity of indoor unit group
15
10
5
0
-5
-10
-15
-20
5
10
15
20
Indoor air dry-bulb temperature *
: http://splitoff.ru/tehn-doc.html
(Capacity of outdoor u
heating
25
30
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