MITSUBISHI ELECTRIC PAC-MKA33BC, PAC-MKA53BC Branch Box Owner’s Manual
- August 15, 2024
- Mitsubishi Electric
Table of Contents
MITSUBISHI ELECTRIC PAC-MKA33BC, PAC-MKA53BC Branch Box Owner’s Manual
DESCRIPTIONS
- The PAC-MKA33/53 have a thermal differential from set point of 1F regardless of which multi-zone outdoor unit generation they are connected to.
SPECIFICATIONS
| Model Name | PAC-MKA53BC | PAC-MKA33BC |
|---|---|---|
| Connectable number of indoor units | Maximum 5 | Maximum 3 |
| Power supply | Single phase, 208/230 V, 60 Hz | |
| Input | kW | 0.003 |
| Running current | A | 0.15 |
| External finish | Galvani zed steel | |
| Dimensions | Width | Inch (mm) |
| Depth | Inch (mm) | 11-1/32 (280) |
| Height | Inch (mm) | 6-11/16 (170) |
| Package Dimensions | Width | Inch (mm) |
| Depth | Inch (mm) | 24.4 (620) |
| Height | Inch (mm) | 8.3 (211) |
| Net Weight | lb (kg) | 16 (7.4) |
| **** Piping Connection (Flare) | Branch (indoor side)* | Liquid |
| ø1/4 (6.35) x 5 {A,B,C,D,E} | ø1/4 (6.35 x 3 {A,B,C} | |
| Gas | Inch (mm) | ø3/8 (9.52) x 4 {A,B,C,D}, ø1/2 (12.7) x 1{E} |
{A,B,C}
Main(outdoor side)| Liquid| Inch (mm)| ø3/8 (9.52)
Gas| Inch (mm)| ø5/8 (15.88)
*The piping connection size differs according to the type of and capacity of indoor units. Match the piping connection size for indoor and branch box. If the piping connection size of the branch does not match the piping connection size of the indoor units, use optional different-diameter (deformed) joints to the branch box side. (Connect deformed joint directly to the branch box side.)
ACCESSORIES
| BBE-1 | Branch Box Enclosure |
|---|---|
| MAC-A454JP-E | Port Adapter |
| MAC-A455JP-E | Port Adapter |
| MAC-A456JP-E | Port Adapter |
| PAC-493PI | Port Adapter |
| PAC-SG76RJ-E | Port Adapter |
| ADP5834 | Port Adaptor |
| MSDD-50AR-D | Flare connection distribution pipe |
| MSDD-50BR-E | Brazed connection distribution pipe |
NOTES:
For the MXZ-SM60NAM2-U1 outdoor unit:
- When connecting the outdoor unit to the branch box directly, the reduction in pipe size must be made at the branch box using the port adaptor: ADP5834 (5/8″F x 3/4″M).
- When connecting the outdoor unit to the distribution pipe (MSDD-50AR-D, for using 2 branch boxes), the reduction in pipe size must be made at the distribution pipe using the port adaptor: ADP5834 (5/8″F x 3/4″M).
OPTIONAL PORT ADAPTORS
Model name| Connected pipes diameter| Diameter A| Diameter
B
---|---|---|---
Inch, mm| Inch, mm| Inch, mm
MAC-A454JP-E| 3/8, ø9.52 → 1/2, ø12.7| 3/8, ø9.52| 1/2, ø12.7
MAC-A455JP-E| 1/2, ø12.7 → 3/8, ø9.52| 1/2, ø12.7| 3/8, ø9.52
MAC-A456JP-E| 1/2, ø12.7 → 5/8, ø15.88| 1/2, ø12.7| 5/8, ø15.88
PAC-493PI| 1/4, ø6.35 → 3/8, ø9.52| 1/4, ø6.35| 3/8, ø9.52
PAC-SG76RJ-E| 3/8, ø9.52 → 5/8, ø15.88| 3/8, ø9.52| 5/8, ø15.88
ADP5834| 5/8, ø15.88 → 3/4, ø19.05| 5/8, ø15.88| 3/4, ø19.05
DIMENSIONS
PAC-MKA33BC (3-BRANCHES TYPE)
Suspension bolt: W3/8 (M10)
Refrigerant pipe flared connection
| To indoor unit| To outdoor unit
---|---|---
A| B| C
Liquid pipe| 1/4, ø6.35| 1/4, ø6.35| 1/4, ø6.35| 3/8, ø9.52
Gas pipe| 3/8, ø9.52| 3/8, ø9.52| 3/8, ø9.52| 5/8, ø15.88
Conversion formula
3/8F| ø9.52
5/8F| ø15.88
Unit: mm (inch)
PAC-MKA53BC (5-BRANCHES TYPE)
Suspension bolt : W3/8 (M10)
Refrigerant pipe flared connection
| To indoor unit| To outdoor unit
---|---|---
A| B| C| D| E
Liquid pipe| 1/4, ø6.35| 1/4, ø6.35| 1/4, ø6.35| 1/4, ø6.35| 1/4, ø6.35| 3/8,
ø9.52
Gas pipe| 3/8, ø9.52| 3/8, ø9.52| 3/8, ø9.52| 3/8, ø9.52| 1/2, ø12.7| 5/8,
ø15.88
Conversion formula
1/4F| ø6.35
3/8F| ø9.52
1/2F| ø12.7
5/8F| ø15.88
3/4F| ø19.05
Unit: mm (inch)
Specifications are subject to change without notice.
1340 Satellite Boulevard. Suwanee, GA 30024
Toll Free: 800-433-4822
www.mehvac.com