OPTIONAL PARTS
TC-17005-rev.1
3-7
3.7 Duct Adapter: PD-75A
NOTES:
1. This duct adapter is used as the connection flange to attach the fresh air intake outlet (for connecting the
flexible duct ϕ2-15/16 inches (
f
75mm).)
2. The limit amount for fresh air intake is shown above. Do not exceed the limit amount. (If the amount
is exceeded, it can cause condensation.) Do not install the unit where abnormal odors are in the
atmosphere.
3. The duct adapter provides a maximum quantity of fresh air intake of approximately 18cfm (0.5m
3
/min.)
(for 3.3ft (1m) straight pipe duct). In this instance, do not utilize the duct fan. If the requirement is for
more of an intake, be sure to install the duct fan (field-supplied).
4. Refer to the “Installation Manual for Duct Adapter” for more details.
Specifications
Model
Item
PD-75A
Applicable Indoor Unit Model
((H,Y,C)IC4**B21S)
MBH
008 to 018
024 to 048
Max. Capacity of Fresh Air Intake
cfm
(m
3
/min.)
35
(1)
71
(2)
Purpose
for Fresh Air Intake
Connecting Duct Diameter
inch (mm)
f
2-15/16
(f
75)
Material
ABS Resin (UL94V-0)
φ
2-15/16 [75]
(Connecting Duct Diameter)
4-5/16 [1
10]
(1-9/16)
([40]
)
24°
4-5/16 [1
10]
2-7/8 [73]
4 x
φ
1/4 [6.5]
3-3/4 [95]
1-15/16 [50]
1-9/16 [39]
3-1/8 [79]
(33-1/16 [840]
)
(33-1/16 [840])
6-7/8 [174]
5-3/8 [137]
a
Duct Adaptor
Fresh Air Intake
Insulation
(Accessory)
4 x Fixing Screw
(Accessory)
Electrical
Control Box
Q
P
Indoor Unit
Dimensional Data
Installation State
View from P
View from Q
Unit: inch [mm]
Dimension
Indoor Unit
a
008 to 018 MBH
9-3/4
[248]
024 to 048 MBH
11-3/4
[298]
