Toshiba Carrier RBM-A0601UPVA-UL - Allowable Length and Allowable Height Difference of Refrigerant Piping

4-4. Allowable length and allowable height difference of refrigerant piping
1) When connecting the Dx-coil interface
- 21 -
ft m ft m
656'2" 200 393'8"(328'1") 120(100)
426'6"(393'8") 130(120) 328'1" 100
131'3" 40
65'7" 20
98'5" 30
Outdoor unti - Indoor unit (Upper outdoor unit) H1
H2 > 9'10" (3 m)
H2 ≤ 9'10" (3 m)
Indoor unit - Indoor unit (Upper outdoor unit) H2
Indoor unit - Indoor unit (Lower outdoor unit) H2
Refer to specification of outdoor unit
131'3" (40 m) or the outdoor unit
spec. Whichever is shorter of
outdoor unit.
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-
131'3" 40
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-
Same as piping length
restriction of outdoor unit
Item
Max Height
Difference
Outdoor unti - Indoor unit
(Lower outdoor unit) H2
Maximum equivalent between branching section
Max. real length of pipes connecled to indoor units
Furthest equivalent pipe length between outdoor unit
TA type
Same as piping length restriction of outdoor unit
TF, DDC type
-
-
Furthest equivalent pipe length from the 1st branch
Furthest equivalent pipe length L (real length)
Total piping length
Main pipe equivalent length
Amount of additional Refrigerant