Midea MDV-D Series User Manual

Connection of oil and gas balance pipes
Oil balance pipe 6.35
Gas balance pipe 15.9(flaring nut)
NOTE: See following chart for size T-shaped pipe X
connecting with oil pipe.
Connection of oil and gas balance pipes
1 16HP capacity 24HP
NOTE: See following chart for size of Y-shaped
pipe A on liquid side:
Liquid pipe 19.0
Gas pipe 38.0
capacity
Liquid pipe
Gas pipe
Four modules
capacity
Liquid pipe 28.6
Gas pipe 67.0
Three modules
1 32HP capacity 48HP
Liquid pipe 25.0
Gas pipe 54.0
12.7( 15.9)
28.6( 38.0)
12.7( 15.9)
28.6( 38.0)
19.0( 22)
38.0( 45.0)
<Module installation chart>
Single module
Gas pipe
Liquid pipe
NOTE: Pipe size of model 8HP, 10HP and 12HP:
liquid side 12.7, gas side 28.6.
Pipe size of model 14HP and 16HP:
liquid side 15.9, gas side 38.0.
Gas and oil balance pipes should be sealed by welding
for single module.
Two modules
See following chart for size of Y-shaped
pipe B on gas side:
See following chart for size of Y-shaped
pipe D on gas side:
NOTE: See following chart for size of Y-shaped
pipe C on liquid side:
NOTE: Wrap the valves
with wet cloth when welding,
or the valves may be
damaged to cause leakage.
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).
Oil balance pipe 6.35
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) of two modules.
Oil balance pipe 6.35
Connection of oil and gas balance pipes
See following chart for size T-shaped pipes Y and Z
connecting with gas pipe.
Gas balance pipe 19.0(welding)
Gas balance pipe 15.9(flaring nut)
Gas balance pipe 19.0(welding)
X
Y
Z
Y
Z
3- 15.9
3- 19.0
Gas balance pipe 15.9(flaring nut)
Gas balance pipe 19.0(welding)
X
Y
Z
X
Y
Z

Midea MDV-D Series Specifications

General

Brand	Midea
Model	MDV-D Series
Category	Air Conditioner
Language	English