Single Module; Two Modules; Three Modules; Four Modules - Midea MDV-D252W/CS Installation Manual

<Module installation chart>

Single module

Liquid pipe
Gas pipe
NOTE: Pipe size of model 8HP, 10HP and 12HP:
liquid side 12.7, gas side
Pipe size of model 14HP and 16HP:
liquid side 15.9, gas side
Gas and oil balance pipes should be sealed by welding
for single module.

Two modules

1 16HP capacity 24HP
12.7( 15.9)
28.6( 38.0)
NOTE: See following chart for size of Y-shaped
pipe A on liquid side:
See following chart for size of Y-shaped
pipe B on gas side:
capacity
NOTE: The size of Y-shaped pipes A and B on liquid
side and gas side respectively are the same
with that specified in item(1).
Connection of oil and gas balance pipes
Oil balance pipe 6.35
Gas balance pipe 15.9(flaring nut)
Gas balance pipe 19.0(welding)
NOTE: The size of Y-shaped pipes A and B on liquid
28.6.
38.0.
NOTE: See following chart for size T-shaped pipe X
Liquid pipe 19.0
Gas pipe 38.0
See following chart for size T-shaped pipes Y and Z
connecting with gas pipe.
NOTE: See following chart for size of Y-shaped
Liquid pipe
Gas pipe
NOTE: Wrap the valves
with wet cloth when welding,
or the valves may be
damaged to cause leakage.

Three modules

1 32HP capacity 48HP
12.7( 15.9)
28.6( 38.0)
side and gas side respectively are the same
with that specified in item(1) of two modules.
Connection of oil and gas balance pipes
Oil balance pipe 6.35
Gas balance pipe 15.9(flaring nut)
Gas balance pipe 19.0(welding)
connecting with oil pipe.
3- 15.9
Y

Four modules

capacity
pipe C on liquid side:
See following chart for size of Y-shaped
pipe D on gas side:
Connection of oil and gas balance pipes
Oil balance pipe 6.35
X
Gas balance pipe 15.9(flaring nut) Y
Gas balance pipe 19.0(welding)
Z
Liquid pipe
19.0( 22)
38.0( 45.0) Gas pipe
X
Y
Z
3- 19.0
Z
Liquid pipe 28.6
Gas pipe 67.0
X
Y
Z
25.0
54.0