Mitsubishi Electric PAC-MK31BCB, Руководство по установке

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3
3. Con fi rming supplied accessories
4. Dimensions and required servicing space of Branch Box
PAC-MK51BCB (5-branches type)
(mm)
3.1. Check the Branch Box accessories and parts
Accessory name
Q’ty
PAC-
MK31BCB
PAC-
MK51BCB
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 (for LEV, THERMISTOR)
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
* Ensure that the branch box is installed as shown on the below drawing.
PAC-MK51BCB (Fig.4-2)
Suspension bolt: W3/8 (M10)
Refrigerant pipe brazed connection
A B C D E To outdoor unit
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
mm
E
E
D
D
C
C
B
B
A
A
Fig. 4-2