Brochure

Multizone 48,000 BTU/h Eight Zone
System Pipe
Lengths
Total piping length (Outdoor to Indoor ) (Tp) (ft.) ≤476
Outdoor to Branch box (A, B)
Min. (ft.) 10
Max. (ft.) ≤180
Total branch piping length (Branch Box to indoor units) (A1-A3, B1-B4) (ft.) ≤295
Branch box to Indoor units
Min. (ft.) 10
Max. (ft.) ≤49
Max. Elevations
If outdoor unit is above or below indoor unit (E1) (ft.) ≤98
Between the farthest two indoor units (E3) (ft.) ≤49
Between branch distribution unit and farthest connected indoor unit(s) (E2) (ft.) ≤33
Between branch boxes (E4) (ft.) ≤49
REFRIGERATION LINE SETS MINIMUM/MAXIMUM LENGTHS
MULTIZONE | 48,000 BTU
(Tp)
A
B
E4
E1
E3
E2
BB unit
BB unit
A1
A2
A3
B1
B2
B3
B4
Y-Branch (DYBK)
BB unit
BB unit
SINGLE AND DUAL BB CONFIGURATIONS
Y - Branch DYBK
Branch Box D4PBB
Required for MR48K
33