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3
3. Con
fi
rming supplied accessories
4. Dimensions and required servicing space of Branch Box
PAC-MK52BCB (5-branches type)
(mm)
3.1. Check the Branch Box accessories and parts
No.
Accessory name
Q’ty
Remarks
PAC-
MK32BCB
PAC-
MK52BCB
1
Washer
(with insulation)
4
4
2
Washer
4
4
3
Pipe cover (Liquid)
1
1
To outdoor unit
4
Pipe cover (Gas)
1
1
To outdoor unit
5
Pipe cover (Liquid)
3
5
To indoor units
6
Pipe cover (Gas)
3
5
To indoor units
7
Joint cover (Liquid)
1
3
8
Joint cover (Gas)
1
3
9
Band
16
24
⑩
Joint Pipe (Liquid)
1
1
⑪
Joint Pipe (Gas)
1
1
Fig. 3-1
⑪
⑩
A (Outside)
B (Inside)
Optional different-diameter (deformed) joints
Fig. 4-1
* Please connect 2 indoor units or more with 1 system.
* Up to 2 branch boxes may be connected to 1 outdoor unit.
* Suspension bolt : W3/8 (M10)
* Refrigerant pipe brezed 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
To outdoor unit
D
Service panel
E
Electric cover
F
Rubber bush
G
Terminal block (to indoor unit on control board)
H
Terminal block (to outdoor unit)
J
Terminal block (for communication cable)
K
Cable clamp
PAC-MK52BCB (Fig.4-2)
Suspension bolt: W3/8 (M10)
Refrigerant pipe brazed connection
To indoor unit
To outdoor unit
A
B
C
D
E
Liquid pipe
ø6.35
ø6.35
ø6.35
ø6.35
ø6.35
ø9.52
Gas pipe
ø9.52
ø9.52
ø9.52
ø9.52
ø12.7
ø15.88
Model name
Connected pipes diameter
Outside
Diameter A
Inside
Diameter B
mm
mm
mm
PAC-SG78RJB-E
ø9.52
→
ø12.7
ø9.52
ø12.7
PAC-SG79RJB-E
ø12.7
→
ø9.52
ø12.7
ø9.52
PAC-SG80RJB-E
ø12.7
→
ø15.88
ø12.7
ø15.88
PAC-SG77RJB-E
ø6.35
→
ø9.52
ø6.35
ø9.52
PAC-SG76RJB-E
ø9.52
→
ø15.88
ø9.52
ø15.88
PAC-SJ72RJB-E
ø15.88
→
ø19.05
ø15.88
ø19.05
mm
A
A
12
24
402
320
E
E
D
D
C
C
B
B
A
A
170
450
119
67
47
65
25
25
25
25
25
70
70
70
70
11
2
113
40
280
87
70
TB3B
TB3D
TB3A
TB3C
TB3E
TB5
TB2B
119
B
C
D
K
F E
H
G
J
Fig. 4-2