2
Refrigerant Piping
Additional refrigerant
After finishing vacuuming, exchange the vacuum pump with a refrigerant canister and start additional charging of
refrigerant.
Calculation of additional refrigerant charge amount
Refrigerant charge amount at shipment from the factory does not include the refrigerant for pipes at the local site.
For refrigerant to be charged in pipes at the local site, calculate the amount and charge it additionally.
NOTE
If the additional refrigerant amount indicates minus as the result of calculation, use the air conditioner without
additional refrigerant.
Outdoor unit type MAP080 MAP100 MAP120 MAP140 MAP160 MAP180 MAP200 MAP220
Charged amount (kg) 11.5
Cooling only model
Outdoor unit type MAP080 MAP100 MAP120 MAP140 MAP160 MAP180 MAP200 MAP220
Charged amount (kg) 5.115.01
Additional refrigerant charge amount at site = [1] + [2] + [3]
[1]. Compensation by system HP (Table 1)
[2]. Additional refrigerant charge amount Indoor unit (Table 2)
[3]. (Real length of liquid pipe × Additional refrigerant charge amount per liquid pipe 1 m (Table 3)) × 1.2
For HT8P - E model
Table 1
System
Combination
Charged
refrigerant (kg)
Compensation by
System HP
HP HP kg
Standard model
8 8 – – 11.5 -3.5
10 10 – – 11.5 -3.5
12 12 – – 11.5 -1.5
14 14 – – 11.5 -1.0
16 16 – – 11.5 -0.5
18 18 – – 11.5 1.5
20 20 – – 11.5 1.5
22 22 – – 11.5 1.5
24 12 12 – 23 -3.0
26 14 12 – 23 -2.5
28 16 12 – 23 -2.0
30 16 14 – 23 -1.5
32 16 16 – 23 -1.0
34 18 16 – 23 1.0
36 20 16 – 23 1.0
38 22 16 – 23 1.0
40 20 20 – 23 3.0
42 22 20 – 23 3.0
44 22 22 – 23 3.0
46 16 16 14 34.5 -6.5
48 16 16 16 34.5 -6.5
50 18 16 16 34.5 -0.5
52 20 16 16 34.5 -0.5
54 22 16 1
6 34.5 -0.5
56 20 20 16 34.5 2.5
58 22 20 16 34.5 2.5
60 22 22 16 34.5 2.5
High efficiency
model
20 10 10 – 23 -7.0
22 12 10 – 23 -7.0
36 12 12 12 34.5 -12.5
38 14 12 12 34.5 -10.5
40 14 14 12 34.5 -8.5
42 14 14 14 34.5 -4.5
44 16 14 14 34.5 -4.5
54 20 20 14 34.5 1.5
<Cooling,Heat pump type>
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