Mitsubishi Electric PUMY-P112VKM5-ERBS, Техническое и сервисное руководство

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OCH740
When using 35, 50 type indoor unit of P series, use the flare nut (for R410A) attached to the indoor unit.
Do not use the flare nut (for R407C) in the indoor unit accessory. If it is used, a gas leakage may occur or a pipe may come off.
■ Pipe size (Branch box-Indoor unit) For M or S series Indoor unit
Indoor unit type (kW) 15 18 20 22 25 35 42 50 60 71
Pipe size (mm)
Liquid ø 6.35 ø 6.35 ø 6.35 ø 6.35 ø 6.35 ø 6.35 ø 6.35 ø 6.35 ø 6.35 ø 9.52
Gas ø 9.52 ø 9.52 ø 9.52 ø 9.52 ø 9.52 ø 9.52 ø 9.52 ø 12.7 ø 15.88 ø 15.88
■ Pipe size (Branch box-Indoor unit) For P series Indoor unit
Indoor unit type (kW) 35 50 60 71 100
Pipe size (mm)
Liquid
ø 6.35 ø 6.35 ø 9.52 ø 9.52 ø 9.52
Gas
ø 12.7 ø 12.7 ø 15.88 ø 15.88 ø 15.88
■ Pipe size (Branch box-Indoor unit) For Cylinder unit and Hydrobox
Pipe size (mm)
Liquid
ø 9.52
Gas
ø 15.88
(1) Valve size of branch box for outdoor unit
For liquid ø 9.52 mm
For gas ø 15.88 mm
(2) Valve size of branch box for indoor unit
* UNIT
Liquid pipe ø 6.35 mm
Gas pipe ø 9.52 mm
* UNIT
Liquid pipe ø 6.35 mm
Gas pipe ø 9.52 mm
* UNIT
Liquid pipe ø 6.35 mm
Gas pipe ø 9.52 mm
UNIT
Liquid pipe ø 6.35 mm
Gas pipe ø 9.52 mm
UNIT
Liquid pipe ø 6.35 mm
Gas pipe ø 12.7 mm
* 3- branch type is only for , , and unit.
Different-diameter joint (optional parts)
Type Model name
Connected pipes
diameter
Diameter A Diameter B
mm mm mm
Flare
(Fig.7-1)
PAC-493PI ø
6.35 →
ø
9.52
ø
6.35
ø
9.52
MAC-A454JP-E ø
9.52 →
ø
12.7
ø
9.52
ø
12.7
PAC-SG76RJ-E ø
9.52 →
ø
15.88
ø
9.52
ø
15.88
MAC-A455JP-E ø
12.7 →
ø
9.52
ø
12.7
ø
9.52
MAC-A456JP-E ø
12.7 →
ø
15.88
ø
12.7
ø
15.88
A B
Fig.7-1
Conversion formula
1/4 inch ø
6.35
mm
3/8 inch ø
9.52
mm
1/2 inch ø
12.7
mm
5/8 inch ø
15.88
mm
3/4 inch ø
19.05
mm