Installation Manual |
Adding 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.
Heat pump |
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| Outdoor unit type | MAP080 |
| MAP100 |
| MAP120 | MAP140 | MAP160 | ||
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| Charging amount (kg) |
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| 11.5 |
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Cooling only |
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| Outdoor unit type | MAP080 |
| MAP100 |
| MAP120 | MAP140 | MAP160 | ||
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| Charging amount (kg) | 10.5 |
| 10.5 |
| 10.5 | 11.5 | 11.5 | |||
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Additional refrigerant charge |
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| Additional refrigerant charge | Corrective amount of refrigerant | |||||||
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| depending on HP of co- | |||||||||
= Real length of liquid pipe × |
| amount per 1m liquid pipe + | ||||||||||
amount at local site |
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| (Table 1) |
| (Table 2) | ||
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Table 1 |
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Liquid pipe dia. (mm) |
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| 6.4 | 9.5 |
| 12.7 |
| 15.9 | 19.1 | 22.2 | |
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Additional refrigerant amount/1m liquid | 0.025 | 0.055 |
| 0.105 |
| 0.160 | 0.250 | 0.350 | ||||
pipe (kg/m) |
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| Installation Manual | |
Table 2 |
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| Combined HP (HP) |
| Combined outdoor units (HP) |
| C (Corrective amount | |||
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| of refrigerant) (kg) | |||||
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| 8 | 8HP |
| – | – |
| – | 1.5 |
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| 10 | 10HP |
| – | – |
| – | 2.5 |
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| 12 | 12HP |
| – | – |
| – | 3.5 |
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| 14 | 14HP |
| – | – |
| – | 8.5 |
| 16 | 16HP |
| – | – |
| – | 10.5 |
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| 18 | 10HP |
| 8HP | – |
| – | 0.0 |
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| 20 | 10HP |
| 10HP | – |
| – | 3.0 |
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| 22 | 12HP |
| 10HP | – |
| – | 5.0 |
| 24 | 12HP |
| 12HP | – |
| – | 7.5 |
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| 26 | 16HP |
| 10HP | – |
| – | 8.5 |
Standard type |
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28 | 16HP |
| 12HP | – |
| – | 9.5 | |
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| 30 | 16HP |
| 14HP | – |
| – | 11.5 |
| 32 | 16HP |
| 16HP | – |
| – | 12.5 |
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| 34 | 12HP |
| 12HP | 10HP |
| – | 3.0 |
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| 36 | 12HP |
| 12HP | 12HP |
| – | 4.0 |
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| 38 | 16HP |
| 12HP | 10HP |
| – | 6.0 |
| 40 | 16HP |
| 12HP | 12HP |
| – | 7.0 |
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| 42 | 16HP |
| 14HP | 12HP |
| – | 8.0 |
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| 44 | 16HP |
| 16HP | 12HP |
| – | 10.0 |
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| 46 | 16HP |
| 16HP | 14HP |
| – | 12.0 |
| 48 | 16HP |
| 16HP | 16HP |
| – | 14.0 |
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| 16 | 8HP |
| 8HP | – |
| – | 0.0 |
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| 24 | 8HP |
| 8HP | 8HP |
| – | |
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| 26 | 10HP |
| 8HP | 8HP |
| – | |
| 28 | 10HP |
| 10HP | 8HP |
| – | |
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| 30 | 10HP |
| 10HP | 10HP |
| – | 0.0 |
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| 32 | 8HP |
| 8HP | 8HP |
| 8HP | |
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High Efficiency type | 34 | 10HP |
| 8HP | 8HP |
| 8HP | |
36 | 10HP |
| 10HP | 8HP |
| 8HP | ||
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| 38 | 10HP |
| 10HP | 10HP |
| 8HP | |
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| 40 | 10HP |
| 10HP | 10HP |
| 10HP | |
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| 42 | 12HP |
| 10HP | 10HP |
| 10HP | |
| 44 | 12HP |
| 12HP | 10HP |
| 10HP | |
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| 46 | 12HP |
| 12HP | 12HP |
| 10HP | 0.0 |
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| 48 | 12HP |
| 12HP | 12HP |
| 12HP | 2.0 |
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Charging of refrigerant
•Keeping the valve of the outdoor unit closed, be sure to charge the liquid refrigerant into the service port at the liquid side.
•If the specified amount of refrigerant cannot be charged, fully open the valves of the outdoor unit at liquid and gas sides, operate the air conditioner in COOL mode, and then charge refrigerant into service port at the gas side. In this time, choke the refrigerant slightly by operating the valve of the canister to charge liquid refrigerant.
•The liquid refrigerant may be charged suddenly, therefore be sure to charge refrigerant gradually.
EN
– 16 – | ||
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