19
OCH610G
19
CN51
Multiple remote
controller adapter
PAC-SA88HA-E
Indoor controller board
Distance between indoor
controller board and relay
must be within 33 ft [10 m].
Be sure to secure insulation
material by tape, etc.
5
Green
Yellow
Orange
Connector (5P)
Indoor unit side
Multiple remote
controller adapter
PAC-SA88HA-E
Be sure to secure insulation
material by tape, etc.
Installation at site
CN51
on
indoor
controller
board
Red
Brown
1
~
CN51
MB
-
+
4-3. OPERATION IN CONJUNCTION 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 12 V DC relay
between the Yellow and Orange connector lines.
MB: Electromagnetic switch power relay for duct fan.
X: Auxiliary relay (For 12 V DC, coil rating: 1.0W or
smaller)
Unit : in (mm)
Branch duct hole
A
A
A
Drain pipe
Fresh air intake hole diagram
Refrigerant pipe
Branch duct hole diagram
(view from either side)
13-25/32 × 3-15/16
(350×100) cutout hole
ø5-29/32 (ø150) cutout hole
ø6-7/8 (ø175) burring hole pitch
ø4-29/32
(ø125) burring hole pitch
ø3-15/16
(ø100) cutout hole
Ceiling
Fresh air intake hole
A
A
6-7/32
(158)
15-11/32
(390)
13-25/32
(350)
3-15/16
(100)
3-15/16
(100)
6-3/32
(155)
6-9/16
(167)
3-15/16
(100)
5-1/8
(130)
3-17/32
(90)
3-17/32
(90)
4-2. 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:
When installing the optional multi function casement, add 5-5/16” (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.
