Mitsubishi Electric PLA-A·BA4 Technical Data Manual page 72

10-2. PLA-A·BA4
10-2. PLA-A·BA
10-2-1 FRESH AIR INTAKE AND BRANCH DUCT
10-2-1 FRESH AIR INTAKE AND BRANCH DUCT
1. Branch duct hole and fresh air intake hole (Fig. 1)
1. Branch duct hole and fresh air intake hole (Fig. 1)
At the time of installation, use the duct holes (cut out) located at the positions shown in Fig.1, as and when required.
At the time of installation, use the duct holes (cut out) located at the positions shown in Fig.1, as and when required.
• A fresh air intake hole for the optional multi function casement can also be made.
• A fresh air intake hole for the optional multi function casement can also be made.
Note:
Note:
The figure marked with * in the drawing represent the dimensions of the main unit excluding those of the optional
The figure marked with * in the drawing represent the dimensions of the main unit excluding those of the optional
multi function casement.
multi function casement.
When installing the optional multi function casement, add 5-5/16 to the dimensions marked on the figure.
When installing the optional multi function casement, add 5-5/16 to the dimensions marked on the figure.
When installing the branch ducts, be sure to insulate adequately.
When installing the branch ducts, be sure to insulate adequately.
Otherwise condensation and dripping may occur.
Otherwise condensation and dripping may occur.
[Fig. 1]
Fresh air intake hole
Indoor unit
A
Refrigerant pipe
2. Fresh air intake (Installation at site)
2. Fresh air intake (Installation at site)
By mounting the optional multi-function casement to the indoor unit main body, and mounting the duct flange (option) onto it
By mounting the optional multi-function casement to the indoor unit main body, and mounting the duct flange (option) onto it
further, fresh exterior air intake can be accomplished.
further, fresh exterior air intake can be accomplished.
(The mounting of the multi-function casement increases the height of the ceiling plenum by 5-5/16(135mm).)
(The mounting of the multi-function casement increases the height of the ceiling plenum by 5-5/16(135mm).)
72
72
Branch duct hole
A
A
Branch duct hole diagram
Drain pipe
(view from either side)
[6-7/8([175) burring hole pitch
Fresh air intake hole diagram
3-[1/8([2.8) burring hole
120
Ceiling
3-17/32 3-15/16 3-15/16 3-17/32
(90) (100) (90) (90)
13-25/32(350)
[5-29/32([150) cut out hole
Unit : inch(mm)
[4-29/32([125) burring hole pitch
3-[15/16([100) cut out hole
14-[1/8([2.8) burring hole