II - 36
Design of W-ECO MULTI SYSTEM
2
TD831077
4. Installation Instructions
4-12. Optional ball valve kits
See the installation instructions packaged with the ball valve kit for the procedure for installation.
Model name Contents Applicable
Indoor unit cooling capacity
for R407C for R22 Ball valve mm (inch)
outdoor unit
after the ball valve
BV-XR125B BV-X125B
* 38.1 (1- 1/2)
190, 150 type 40 ~ 70 kW
15.88 (5/8)
BV-XR94B BV-X94B
* 28.58 (1- 1/8)
90 type ~ 28 kW
12.7 (1/2)
BV-XR84B BV-X84B
* 25.4 (1)
70 type ~ 22.4 kW
12.7 (1/2)
BV-XR63B BV-X63B
19.05 (3/4)
(36, 48 type) ~ 16 kW
9.52 (3/8)
BV-XR53B BV-X53B
15.88 (5/8)
– ~ 9 kW
9.52 (3/8)
BV-XR43B BV-X43B
12.7 (1/2)
– ~ 3.6 kW
9.52 (3/8)
BV-R3B BV-3B 9.52 (3/8) for Balance tube –
* Marked ball valves are brazing type and the others are flare connecting type.
Referring to the above chart, make sure that your ball valve is suitable for
your refrigerant. The ball valve used for R22 refrigerant is different from
one used for R407C (No-interchangeability).
CAUTION
Figure
Flare type
Welding type
1659_M_
A
2-ø 7
E
B
C
D
30°
Heat insulator
(Separated in two)
Service port
1658_M_I
A
E
D
30°
C
B
2-ø 7
Heat insulator
(Separated in two)
Service port
Welding type
NOTE
Install the service port facing toward the port for additional unit.
(No service port)
25.4 (1") 250 55 69 35 83
28.58 (1-1/8") 250 55 69 41 92
ABCDE
9.52 (3/8") 76 42 54 16 44
12.7 (1/2") 89 42 56 20 51
15.88 (5/8") 92 42 56 20 51
19.05 (3/4") 108 51 68 22 56
Ball valve size
mm (in.)
38.1 (1-1/2") 270 28 67 40 104
Attachment
Joint
1
1
1
2
Q'ty
Joint
Joint
Joint
Inside diameter
38.1
Inside diameter
31.8
Outside diameter
38.1
1661_M_I
1662_M_I
1663_M_I
Inside diameter
19.05
Inside diameter
41.28
Inside diameter
38.1
Inside diameter
41.28
1664_M_I
15.88, Flared
1660_M_
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