Mitsubishi Electric PLFY-P32VBM-ER2.UK Technical & Service Manual page 19

5-2. BRANCH DUCT HOLE AND FRESH AIR INTAKE HOLE
At the time of installation, use the duct holes (cut out) located at the positions shown in following diagram, as and when
required.
• A fresh air intake hole for the optional multi function casement can also be made.
Note:
The figures marked with * in the drawing below represent the dimensions of the main unit excluding those of the optional multi
function casement.
When installing the optional multi function casement, add 135 mm to the dimensions marked on the figure.
When installing the branch ducts, be sure to insulate adequately.
Otherwise, condensation and dripping may occur.
Fresh air intake hole
Indoor unit
Refrigerant pipe
5-3. OPERATION IN CONJUNCTION WITH
DUCT FAN (Booster fan)
• Whenever the indoor unit is operating, the duct fun 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 wires.
MB: Electromagnetic switch power relay for duct fan.
X: Auxiliary relay (For DC 12V, coil rating : 1.0W or below)
OCH413D
Branch duct hole
Branch duct hole diagram
(view from either side)
Drain pipe
175 burring hole pitch
Multiple remote
controller adapter
PAC-SA88HA-E
19 19
Fresh air intake hole diagram
90 100 100 90
350
150 cut out hole
CN51
Green
5
on
indoor
controller
1
Connector (5P)
board
Red
Brown
Indoor unit side
Multiple remote
controller adapter
PAC-SA88HA-E
Indoor controller board
CN51
CN51
3- 2.8 burring hole
125 burring
120
hole pitch
100 cut
out hole
Ceiling
14- 2.8 burring hole
Be sure to secure insulation
material by tape, etc
Yellow
Orange
Installation at site
Be sure to secure insulation
material by tape, etc
Distance between indoor
controller board and relay
must be within 10m.
~
MB