Mitsubishi Electric PL12AK User Manual page 41

4. Interlocking operation method with duct fan (Booster fan)
Whenever the indoor unit is operating the duct fan also
operates.
(1)Connect the optional multiple remote controller
adapter(PAC-SA88HA-E)to the connector CN51 on the
indoor controller board.
(2)Drive the relay after connecting the 12V DC relay
between the Yellow and Orange connector lines.
Use a relay under 1W.
MB: Electromagnetic switch power relay for duct fan.
X: Auxiliary relay (12V DC LY-1F)
5. BRANCH DUCT(Installation at site)
Discharge by branch duct becomes possible by installing a branch duce at site. Knockout holes on the wall panel of the indoor
unit must be removed.
Branch Duct Installation Procedure
At the time of installation, use the duct holes (cut out) located at the positions shown in following diagram, as and when
required.
Note :
The figure marked with w w in the drawing represent the dimensions of the main unit excluding those of the optional
multi function casement.
When installing the optional multi function casement, add 5-5/16 inch to the dimensions marked on the figure.
When installing the branch ducts, be sure to insulate adequately. Otherwise condensation and dripping may occur.
Figure 1. Branch duct mounting position
Fresh air intake hole
Branch
duct hole
Refrigerant pipe
CN51
on
indoor unit
board
Connector (5P)
Package side
Multiple remote
controller adapter
PAC-SA88HA-E
Figure 2. Branch duct connection details
Branch duct hole diagram
(view from either side)
Branch
duct hole
{6-7/8
Burring hole pitch
Drain pipe
OC246-41
Be sure to secure insulation
material by tape and such
Green
5
Yellow
Orange
1
Red
Brown
Multiple remote
controller adapter
Be sure to secure insulation
PAC-SA88HA-E
material by tape and such
Indoor controller board
Distance between indoor
controller board and relay
must be within 10m.
CN51
CN51
Branch duct hole
(Cut out hole)
3-9/16 3-15/16 3-15/16 3-9/16
13-3/4
14 - {1/8
Burring hole
{5-7/8
Cut out hole
~
MB
Installation at site
Unit : (inch)