Concealed-Duct Type (D Type) - Airwell R410A Installation Instructions Manual

■ Concealed-Duct Type (D Type)

3-18. Required Minimum Space for Installation and
Service
● This air conditioner is usually installed above the ceiling so
that the indoor unit and ducts are not visible. Only the air
intake and air outlet ports are visible from the unit bottom.
● The minimum space for installation and service is shown in
Fig. 3-56 and Table 3-3.
Table 3-3
Type 12, 16, 18
A (Length) 780
Number of
2
duct flanges
● It is recommended that space be provided (450 × 450 mm)
for checking and servicing the electrical system.
● The detailed dimensions of the indoor unit is shown in Fig.
3-57 and Table 3-4.
115
Unit: mm
25 36, 48, 60
1,080 1,560
3 4
185
(Ceiling opening dimension)
(Suspension bolt pitch)
25 580
85 630 25
10
70 30
25 160
190
A (Suspension bolt pitch)
Min. 250
or more
Air outlet duct flange
25
55
275
10
100 88
Fig. 3-57
26
Indoor unit
260
A (O.D)
200 55
10
Electrical
component box
Inspection
access
450 × 450
Refrigerant
tubing
Min. 650 or more
Unit: mm
Fig. 3-56