1. Confirming the Package Contents
The following items are included with the Twinning Kit
❈Always use the twinning pipes included in the kit when preparing the twinning kit.
If the pipes
(1)Package contents
Model | 3Fixing screw | 4Elbow pipe | 5Elbow pipe | 6Elbow pipe | 9Pipe cover | 0OD19.05 [3/4] | AOD22.2 [7/8] |
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twinning kit | twinning pipe | Ø22.2 [7/8] | Ø28.58 | Ø31.75 | (for routing through | (for routing through |
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1 | 1 | 2 | 1 | 1 | - | 3 | 3 | 1 | 2 | 1 |
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1 | 1 | 1 | - | 1 | 1 | 1 | 1 | 1 | - | - |
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Model | BOD19.05 [3/4] C OD22.2 [7/8] | DOD28.58 | HSaddle | IPacking | JFixing plate | KInstallation Manual | LInsulation cover | MCable tie | ||||
ID19.05 [3/4] | ||||||||||||
| ID25.4 [1] |
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- | 1 | - | - | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | |
2 | - | 1 | 1 | - | - | - | - | - | 1 | 1 | 2 |
(2) List of field-supplied parts
·Refrigerant pipes other than the ones provided in the kit
2. Selecting the Correct Size Refrigerant Pipes and Using the Twinning Kit
(1)Pipe size
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2 Choose the correct size pipe using the table below. Connect the field- supplied pipe to the twinning kit for the sizes in the table that are marked with an asterisk (*).
3 If the pipe was cut with a pipe cutter, remove the burrs and eliminate foreign materials before connecting.
❈On the
The distributor on the
If the distributor is placed in the outdoor unit that has a smaller capacity, refrigerant will not be properly distributed and compressor failure may result. ( If outdoor units that have the same capacity are used in combination, the distributor can be placed in either outdoor unit.)
Outdoor unit 1 |
| Outdoor unit 2 |
Twinning Kit (low pressure)
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C | D | A | To BC controller |
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| Twinning pipe (high pressure) | |
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Package unit name |
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Component unit name |
| Outdoor unit 1 |
| B0 |
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| Outdoor unit 2 |
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Outdoor Twinning Kit |
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| D0 |
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BC controller ~ Twinning pipe |
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| E0 |
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| F0 |
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| A0 |
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| B0 | C0 |
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P450 |
| P250 | P200 |
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| P500 |
| P250 | P250 |
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| Ø28.58 | ||
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| P550 |
| P300 | P250 |
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| P600 |
| P300 | P300 |
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| P650 |
| P350 | P300 |
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| P700 |
| P400 | P300 |
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| P750 |
| P400 | P350 |
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| P800 |
| P400 | P400 |
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| EP200 | EP200 |
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| P250 | EP200 |
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| EP550 |
| EP300 | P250 |
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| EP600 |
| EP300 | EP300 |
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P144 |
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| P192 |
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| P216 |
| P120 | P96 |
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| P240 |
| P120 | P120 |
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P144 |
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| P192 |
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| P216 |
| P120 | P96 |
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| P240 |
| P120 | P120 |
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| C or D | E or F | |
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| A1 | A2 | A3 |
| B1 | B2 | B3 |
Twinning pipe ~ Outdoor unit | C1 | C2 | C3 |
| D1 | D2 | D3 |
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| A3 | B3 | C3 | D3 | E3 |
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P200 | P250 | P300 | P350 | P400 |
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| Ø15.88(*) | Ø19.05 | Ø19.05 | Ø19.05 | Ø22.2(*) |
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| [5/8] | [3/4] | [3/4] | [3/4] | [7/8] |
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| Ø19.05(*) | Ø22.2 | Ø22.2(*A) | Ø28.58 | Ø28.58 |
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| EP200 | EP300 | - | - | - |
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| Ø19.05(*) | Ø22.2 | - | - | - |
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| P72 | P96 | P120 | - | - |
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[5/8] | [3/4] | [3/4] |
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| Ø19.05(*) | Ø22.2 | Ø28.58 | - | - |
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| P72 | P96 | P120 | - | - |
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[5/8] | [3/4] | [3/4] |
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| Ø19.05(*) | Ø22.2 | Ø28.58 | - | - |
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*A : In case of
See reverse.
2