Ceiling Mounted Duct Type (Fdur); Models Fdura201, 251; Space For Installation And Service - Mitsubishi Heavy Industries FDCA Series Technical Manual

(d) Ceiling mounted duct type (FDUR)

Models FDURA201, 251

Notes (1) If the twin, triple or double twin 201 units are used, be sure to use φ 9.52 piping for the liquid pipe on the branch piping (branch
fitting to indoor unit).
Use the irregular diameter joint supplied in the branch piping set for connection to the indoor unit.
(Low of suspension lug)
Suspension bolts
(M10 × 4pcs)
145

Space for installation and service

600
1200
Inspection hole
886 (Suspension bolts pitch)
850 (Dimension for duct)
18
Air outlet duct
850
100
Air inlet duct
18
35
70
Liquid piping
ø6.35 (1/4")
58
71 Gas piping
201:ø12.7 (1/2")
251:ø15.88 (5/8")
Drain (Connectable
Drain (Natural drainage, VP20)
28
29
- -
(Dimension for duct)
Control box
295
25 245 25
25
100
150
260
with VP25)
Drain hose(Accessories)
(Local Locality)
Air outlet
Ceiling surface
Unit : mm