3
3. Confirming supplied accessories
4. Dimensions and required servicing space of Branch Box
PAC-AKA51BC (5-branches type)
(inch)
3.1. Check the Branch Box accessories and parts
Accessory name
Q’ty
1
Washer (with insulation)
4
2
Washer
4
For refrigerant piping joint
Accessory name
Q’ty
3
Pipe cover (Liquid)
1
TO OUTDOOR UNIT
4
Pipe cover (Gas)
1
TO OUTDOOR UNIT
5
Pipe cover (Liquid)
5
TO INDOOR UNITS
6
Pipe cover (Gas)
5
TO INDOOR UNITS
7
Joint cover (Liquid)
3
8
Joint cover (Gas)
3
9
Band
4
For drain pipe
Accessory name
Q’ty
0
Drain hose
1
Type A or Type B
1
Band
For conduit
Accessory name
Q’ty
2
Conduit plate
1
Attached on the product
with a tape when shipped
Fig. 3-1
: Type A
: Type B
B
A
Optional different (deformed) joints
Fig. 4-1
* Please connect indoor units or more with 1 system.
* 1- branch boxes may be connected to 1 outdoor unit.
* Suspension bolt : W3/8 (M10)
* Refrigerant pipe flared connection
* The piping connection size differs according to the type and capacity of
indoor units. Match the piping connection size for indoor unit and branch
box. If the piping connection size of branch box does not match the pip
-
ing connection size of indoor unit, use optional different-diameter (de
-
formed) joints to the branch box side. (Connect deformed joint directly to
the branch box side.)
A
Suspension bolt pitch
B
To indoor unit
C
Flexible drain hose (Accessory)
D
Drain pipe connection (O.D.13/16 inch)
E
To outdoor unit
F
Service panel (for LEV, THERMISTOR)
G
3-WIRE BAND
H
Electric cover
I
3-electric wire inlet
J
Terminal block (to indoor unit)
K
Terminal block (to outdoor unit)
* Ensure that the branch box is installed as shown on the below drawing. Leg must
be located on top. Otherwise drainage will not be properly performed.
PAC-AKA51BC (Fig.4-2)
Suspension bolt: W3/8 (M10)
Refrigerant pipe flared connection
A
B
C
D
E
To outdoor unit
Liquid pipe 1/4, ø6.35 1/4, ø6.35 1/4, ø6.35 1/4, ø6.35 1/4, ø6.35 3/8, ø9.5
Gas pipe 3/8, ø9.5 3/8, ø9.5 3/8, ø9.5 3/8, ø9.5 1/, ø1.7 5/8, ø15.88
Drain hose size : O.D. 0 mm, 13/16 inch (VP16)
Model name
Connected pipes diameter
Diameter A
Diameter B
inch, mm
inch, mm
inch, mm
MAC-A454JP
3/8, ø9.52 → 1/2, ø12.7
3/8, ø9.5
1/, ø1.7
MAC-A455JP
1/2, ø12.7 → 3/8, ø9.52
1/, ø1.7
3/8, ø9.5
MAC-A456JP
1/2, ø12.7 → 5/8, ø15.88
1/, ø1.7
5/8, ø15.88
PAC-493PI
1/4, ø6.35 → 3/8, ø9.52
1/4, ø6.35
3/8, ø9.5
PAC-SG76RJ-E
3/8, ø9.52 → 5/8, ø15.88
3/8, ø9.5
5/8, ø15.88
inch, mm
S1
S2
S3
S1
S2
S3
S1
S2
S3
S1
S2
S3
S1
S2
S3
S1
S3
S2
TB3B
TB3
C
TB3A
TB3D
TB3E
TB2B
12 - 9/16
1/2
15
-
13
/1
6
15
/1
6
17 - 11/16
3 - 9/16
3 - 3/4
1 - 1/2
11
7 - 7/8
15/16
2 - 7/8
2 - 3/8 3 - 1/8
2
- 3
/4
2 -
11
/16
1
-
3/
8
1 - 3/8
2
2 - 3/16
2
- 9
/1
6
ø1
3/
16
1 -
9/
16
7
- 1
3/
16
1
1
1
1
1 13/16
3
3
3
3
E
D
C
B
E
D
C
B
A
A
7 - 7/8
Type A
ø1
3/
16
Type B
Fig. 4-2
Conversion formula
1/4 F
ø6.35
3/8 F
ø9.5
1/ F
ø1.7
5/8 F
ø15.88
3/4 F
ø19.05
