14
1-6. Optional Distribution Joint Kits
● K70A056Z : Cooling capacity after distribution is 16.0 kW (54,600 BTU/h) or less
● K70A061Z : Cooling capacity after distribution is 28.0 kW (95,500 BTU/h) or less
Table 1-8 Distribution Branch Size ( 1, 2, 3, 4)
Unit: mm (in.)
Indoor Unit
12 type
16 type
18 type 25 type 36 type 48 type
Wide tube 12.7 (1/2) 15.88 (5/8)
Narrow tube 6.53 (1/4) 9.52 (3/8)
210
145
103
185
135
83
Distribution joint
Insulation material
Insulation material
Distribution joint
EEE
E
E
E
DD
D
C
C
C
GG
G
FF
F
for wide tube for narrow tube
K70A056Z
Table 1-9 Dimensions of connections (inner diameter of tubing)
Unit: mm
Position A B C D E F G
Size ø 28.58 ø 25.4 ø 19.05 ø 15.88 ø 12.7 ø 9.52 ø 6.35
100 35
80
80
(295)
φ9.52φ9.52φ9.52
1
2
1
2
3
4
5
6
BCUP-3
100 80 80
300
100
φ12.7
φ25.4
φ15.88
φ15.88
φ15.88
for narrow tube
for wide tube
(3 locations)
Dowel pin
position
Narrow distribution joint
Wide distribution joint
Narrow-tube side
tube connector
31
31
1112
Wide-tube side tube
connector
Wide-tube side
tube connector
1
1
φ9.52 φ12.7
φ12.7
φ15.88
φ15.88
φ19.05
φ19.05
φ25.4
φ25.4
φ28.58
φ9.52
φ6.35
Thermal insulation
for narrow
distribution joints
Thermal
insulation for
wide distribution
joints
K70A061Z (for simultaneous Triple)
04-393 DC INV Tech p a-44 12/15/04 3:04 PM Page 14