5. Pipe length and height difference
Item
Main pipe equivalent length
Total piping length
Furthest equivalent pipe length L (real length)
Furthest equivalent pipe length from the 1st branch
Max, real length of pipes connected to indoor units
Maximum equivalent between branching section
outdoor unit - indoor unit (Upper outdoor unit) H1
H2>3m
H2≦3m
Indoor unit - indoor unit (Upper outdoor unit) H2
Indoor unit - indoor unit (Lower outdoor unit) H2
Amount of Additional Refrigerant
Refer to specification of Outdoor unit
Max.
Height
Difference
40 m or the outdoor
unit spec. Whichever is
shorter of outdoor unit.
40m
outdoor unit - indoor unit (Lower outdoor unit) H1
-
-
20m
-
30m
-
130m(120m)
100m
40m
-
Furthest equivalent pipe length between outdoor unit
Same as piping length
restriction of outdoor unit
-
TA type
TF, DDC type
Same as piping length restriction of outdoor unit
200m
120m(100m)
P5
Summary of Contents for RBM-A101UPVA-E
Page 21: ...P19 ...
Page 45: ...9 Cable specifications P43 ...
Page 46: ...10 Modbus setting method P44 ...
Page 50: ...12 Dx coil Controller Dx valve kit Dimensions P48 ...
Page 51: ...12 Dx coil Controller Dx valve kit Dimensions P49 ...
Page 52: ...13 Wiring Diagram P50 ...
Page 53: ...P51 ...
Page 58: ...VRF Dx coil interface Design Guideline May 2022 Third Edition DG003 03 ...