Technibel GRF314M35IAA Technical & Service Manual page 16

In the case below, a joint for connecting tubes of different sizes is needed when connecting the inter-unit tube (φ9.52)
to the outdoor unit valve (φ12.7).
(1) Connecting indoor unit types 94 to 124 at D
Fig. 2a
(2) Connecting indoor unit type 184 at D (Length of tube: more than 17 m)
Fig. 2b
(3) Connecting indoor unit type 184 at D (Length of tube: less than 17 m)
Fig. 2c
(4) Connecting indoor unit type 244 at D
Fig. 2d
Outdoor unit
A
φ9.52
B
φ9.52
C
φ9.52
D
φ12.7
Flare φ12.7
Union φ9.52
(φ12.7 → φ9.52) Supplied Reducer
Outdoor unit
A
φ9.52
B
φ9.52
C
φ9.52
D
φ12.7
φ12.7
(More than 17 m)
Outdoor unit
A
φ9.52
B
φ9.52
C
φ9.52
D
φ12.7
Flare φ12.7
Union φ9.52
(φ12.7 → φ9.52) Supplied Reducer
Outdoor unit
A
φ9.52
B
φ9.52
C
φ9.52
D
φ12.7
Indoor unit
φ6.35
φ9.52
φ6.35
φ9.52
φ6.35
φ9.52
φ6.35
φ9.52
Indoor unit
φ6.35
φ9.52
φ6.35
φ9.52
φ6.35
φ9.52
φ6.35
Flare φ9.52
Union φ12.7
(φ12.7 → φ9.52) Optional parts (STK-43TCA)
φ6.35
φ9.52
φ6.35
φ9.52
φ6.35
φ9.52
φ6.35
φ9.52
φ6.35
φ9.52
φ6.35
φ9.52
φ6.35
φ9.52
φ6.35
φ12.7
13
(94 124 types)
(94-124 types)
(94 124 types)
(94 124 types)
(94 124 types)
(94 124 types)
(94 124 types)
(18 type)
Indoor unit
(94 124 types)
(94 124 types)
(94 124 types))
(18 type)
Indoor unit
(94 124 types)
(94 124 types)
(94 124 types)
(24 type)