P12 OF 32
YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World !
INSTALLATION OF REFRIGERANT PIPES
MANIFOLD MODE OF CONNECTING PIPE
1) For only one BU module, there will not be more
than three indoor units.
2) For two BU modules, there will not be more than
six indoor units.
3) For three BU modules, there will not be more than
nine indoor units.
ALLOWABLE LENGTH AND DROP HEIGHT OF CONNECTING PIPE
BU 1
BU 1
BU 2
BU 3
INST
ALLER'S
INSTRUCTION
Outdoor
unit
Indoor
unit
Branch pipe
BU 2
BU 1
Outdoor
unit
Indoor
unit
Branch pipe
Outdoor
unit
Indoor
unit
P11 OF 32
YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World !
INSTALLATION AND SERVICING CLEARANCE
INSTALLATION INSTRUCTION
1) Check the installation location and ensure it is strength and level, so that the unit will not cause any
operating vibration or noise after installation.
2) In accordance with the foundation drawing in the Fig. 6, please drill 4 holes in the installation location.
A: Discharge air side
B: Bottom view (inches)
C: Drain holes
3) Fix the unit securely with the foundation bolts. You can get the M10 or M8 foundation bolts, nuts and washers
from the market.
4) Rubber or spring shock absorbers should be used during the installation of the outdoor unit to meet the noise
and vibration requirements.
5) Screw the foundation bolts into the ground, and it is better that their length is less than 0.79in from the
foundation face.
≤
20
≥
10
≥
40
≥
10
≥
40
≥
12
≤
20
≥
40
≥
20
≥
24
≥
60
≥
120
≥
8
≥
0.4
35.35
22.52
5.47
14.72
17.32
23.23
3.78
7.60
3.74
1.93
3.92
13.31
14.88
14.78~14.98
INST
ALLER'S
INSTRUCTION
Anchors into conctrete
Outdoor
unit
Indoor
unit
The 1st branch
The 2nd
branch
BU 1
BU 2
BU 3
H2
H1
L1
L2
L3
L4
L5
H3
1A
1B
1C
2A
2B
2C
3A
2B
A
B
C
A
B
C
A
