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3. DIMENSIONAL DATA
Indoor Unit CS-MKS9NB4U & CZ-18BT1U
CS-MKS12NB4U & CZ-18BT1U
CS-KS18NB4UW & CZ-18BT1U
6-5/16 6-11/16
1-3/16 (30)
4-19/32
1-25/32
1-25/32
2-3/32
8-15/32
22-5/8 (575)
11-5/32 (283)
3
6
5
Less than 31/32 Less than 31/32
3-5/8
22-5/8 (575)
12-7/8
Suspension bolt pitch
Suspension bolt pitch
21-1/32 (534)
21-1/32
(534)
12-7/16
23-5/8 (600)
Ceiling opening dimensions
23-5/8 (600)
Ceiling opening dimensions
7
Center of
panel
24-19/32 (625)
24-19/32 (625)
13-5/32 (334)
14-3/32 (358)
1
2
2
2
2
7-11/16
4-29/32
A View
8
1-3/16
21/32
3-1/8
The length of the suspension
bolts should be selected so that
there is a gap of 1-3/16" or
the ceiling (21/32" or more
below the lower surface of the
main unit), as shown in the
figure at right. If the suspension
bolts is too long, it will contact
the ceiling panel and the unit
cannot be installed.
AA
Air intake
Discharge outlet
Refrigerant tubing
(liquid tube)
dia.
1/4" (flared)
Refrigerant tubing
(gas tube)
dia. 1/2"
(flared)
Drain tube connection port VP20 (outer dia. 1")
Power supply port
Suspension bolt hole (4 - 1/2" x 1-1/8" hole)
Fresh air intake duct connection port (dia. 3-7/8")
1
2
3
4
5
6
7
8
7-23/32
1-27/32 1-3/32
2-3/32
2-3/4 1-9/32
5-9/16
25/32
Unit : inch (mm)
18