York YKFE12BXEXBH-RX Installation And Owner's Manual page 20

Installation of the Outdoor Unit
3. Multi-unit installation in front and back (unit: mm)
Standard
Above 1000mm
Above 300mm
4. Connection pipe requirement
Model
YSM3F10AAS
YSM3F15AAS
YSM3F18AAS
YSM3F20AAS
YSM3F22AAS
YSM3F25AAS
YSM3F28AAS
YSM3F30AAS
YSM3F35AAS
YSM3F40AAS
YSM3F50AAS
YSM3F60AAS
When connecting pipes are longer than 5 meter, it is needed to charge additional refrigrant as table1.
The min. length of connecting pipe is 3 meter.
5. Installation sketch of outdoor unit (unit: mm)
Above 1500mm Above 2000mm
Fig. 20
Diameter
Liquid side Gas side
6.35mm 12.7mm
6.35mm 15.88mm
9.52mm 15.88mm
9.52mm 19.05mm
Fig. 21
The top and two side surfaces must be
exposed to open space, and barriers on
at least one side of the front and back
shall be lower than the outdoor unit.
Above 200mm
Table 1
Maximum height
Maximum length (between indoor and
20m
20m
30m
50m
Additional weight
outdoor)
5m 30g/m
5m 30g/m
10m 50g/m
20m 50g/m
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