©2005 McQuay International
10
Supply air
Supply air
Supply air
Supply air
Return air
9
0
1
1
9
10
7
0
2
0
1
1
9
20
115
115
10
2
0
50
50
50
50
50
PCD
φ
140
Air outlet
Fresh air inlet
φ
10
0
Return air and supply air direction:
Drawings for piping connector and its dimension ( unit: mm) :
【
Note
】
Do not close all air outlet of indoor unit when start to run the unit to avoid the frost of evaporator;
To ensure the thickness of insulation material and no leakage allowed; Fresh air shall be less than 20%;
Air tightness of outlet of supply air:
Total 4 air outlet can be sealed by insulation material but more than 2 air outlet closed will cause abnormal operation of units;
Open the front panel, to seal the air outlet in front panel;
To ensure the length of insulation material is the same length of the air outlet;
To extend the insulation material to cover the gas more than 10mm but not touch the air grill; there is no need to extend insulation material
more than 10 mm;
Installation of air inlet grill:
Before installation of air inlet grill, to install the air filter;
To ensure the right side to face the grill;
Be careful to install the air filter in the frame of air filter supporter;
To fix the filer with the front panel;
To fix the grill and consider the service friendly to open the grill;
Installation of drainage:
a
)
Drainage piping shall be with slope 1/100 ;
b
)
To fix the drainage piping with long screw bolt;
c
)
After installation, to test the leakage drain to make sure it work;
d
)
Only in cooling mode, there will be detect of drainage status;
6.2.3 Installation of MDB-T series indoor unit
MDB050
~
100T installation as shown as below:
Duct return air
Indoor unit
Ceiling
height
Static pressure
box
Duct
discharge air