Refrigerant Piping - Toshiba Carrier RBM-Y0383FUL Manuel D'installation

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Installing Flow Selector unit
• Attach the nuts (3/8" (M10): to be local procure) and flat washers (3/8" (M10): to be local procure) to the
hanging bolts.
• Put the washers over and under the T-groove of the hanging brackets of the Flow Selector unit to hang down
the unit.
• Using a level vial, check that the four sides are horizontal. (Horizontal degree: Within 0.2" (5 mm)).
Level vial
(Horizontal degree:
Within 0.2" (5 mm))
Hanging
bolt
Flow Selector unit
REQUIREMENT
Install the Flow Selector unit with the correct direction as shown in the figure.
If installed with incorrect direction, the Flow Selector unit will not operate properly.
EN-11
Procure the hanging
bolts, washers, and
nuts locally.
Hanging bolt
(3/8" (M10))
3/8" (M10) Flat
Nut
washer
(3/8" (M10))
3/8" (M10) Flat washer
To prevent the bolt from
Nut
coming off, attach the
(3/8" (M10))
washer just under the
hanging bracket as
shown in the figure.
5

REFRIGERANT PIPING

WARNING
If refrigerant gas has leaked during the installation work, ventilate the room immediately.
If the leaked refrigerant gas comes in contact with fire, noxious gas may be generated.
After the installation work, confirm that refrigerant gas does not leak.
If refrigerant gas leaks into the room and flows near a fire source, such as a fan heater, cooking stove or heating unit,
noxious gas may be generated.
Permissible pipe length and permissible height difference
The length of a connection pipe to the indoor unit should be 49 ft (15 m) or less.
For details, refer to the installation manual attached to the outdoor unit.
REQUIREMENT
When the refrigerant pipe is long, set the support brackets to fix the pipe at intervals of 8.2 to 9.8 ft (2.5 to 3 m).
If the pipe is not fixed, noise may be generated.
Piping material and dimensions
One indoor unit connection
Material
Flow Selector unit
RBM-
Indoor unit
MM*-AP***
Indoor unit side pipe
Gas pipe
size (in)
Liquid pipe
Outdoor unit side pipe
Suction gas pipe
size (in)
Discharge gas pipe
Liquid pipe
* Use pipes attached with the Flow Selector unit.
- 6 -
Flow Selector unit
Outdoor unit
Seamless phosphorus deoxidized copper pipe
Y0383FUL
007 to 012
015 to 018
021 to 036
Ø3/8"*
Ø1/2"*
Ø5/8"
Ø1/4"*
Ø1/4"*
Ø3/8"
Ø5/8"
Ø5/8"
Ø5/8"
Ø1/2"
Ø1/2"
Ø1/2"
Ø3/8"
Ø3/8"
Ø3/8"
Indoor unit
Y0613FUL
048
Ø5/8"
Ø3/8"
Ø5/8"
Ø1/2"
Ø3/8"
EN-12

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Rbm-y0613fulRbm-y0963ful

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