Refrigeration Piping Work; Allowable Length And Drop Height Of Connecting Pipe; Dimension Of Connecting Pipe - Gree KM48H4O Service Manual

Super Free Match
Service Manual

6 REFRIGERATION PIPING WORK

6.1 Allowable Length and Drop Height of Connecting Pipe

Maximum
allowable
length
Maximum
allowable
length
Minimum
allowable
length
 BU module should be placed within the level between the outdoor unit and indoor unit.

6.2 Dimension of Connecting Pipe

Outdoor unit
Between outdoor unit and the 1st branch
Between the 1st and the 2nd branch
INSTALLATION
90
The sorts
Total length between outdoor unit and BU
modules
Total length
KM48H4O
between indoor
KM56H4O
unit and BU
Between indoor unit and BU module
Between indoor unit and the 1st branch
Between outdoor and indoor units
Between outdoor units and BU
Between BU and BU modules
Between indoor and indoor units
Between outdoor and the 1st branch
Between BU and the branch
Sorts
The pipes
L1+L2+L3+L4+L5
1A+1B+1C+2A+2B+2C+
1A;1B;1C;2A;2B;2C;3A;3B
L4+1B;L2+L5+2A;
L2+L3+3B
L3;L4;L5
Gas Pipe（mm）
KM48H4O
Φ15.9
KM56H4O
The pipe L1 Φ19.05
The pipe L2 Φ15.9
Length（m）
≤55
≤80
3A+3B
≤90
≤15
≤40
H1 ≤30
H2 ≤30
H3 ≤15
H4 ≤15
L1
as possible
as short
Liquid Pipe（mm）
Φ9.52
Φ9.52
Φ9.52
≥5