OPTIONAL PARTS
3-2
TC-17006-rev.1
3.2 Strainer Kit: MSF-NP63A and MSF-NP112A
When connecting a wall mount to the VRF system, make sure to attach the strainer kit to the refrigerant
piping close to the indoor unit . This prevents solid particles from entering into the electronic expansion valve
inside the unit.
NOTES:
1. Attach the strainer close to the indoor unit to facilitate replacement work.
2. When the strainer is attached to an inside wall or roof space, provide a service access door for
maintenance.
3. When on-site piping has a buried joint such as a pipe elbow socket, provide a service access door to
facilitate checking for connecting parts.
4. In order to prevent condensation, apply tape over the insulation material (accessory) and secure with
cable bands.
5. Refer to the "Installation Manual for Strainer Kit" for more details.
Connect to
Change-Over Box
or Multi-Kit
Connect to
Change-Over Box
or Multi-Kit
Liquid Side
φ1/4 (φ6.35)
Copper Pipe Connection
Gas Side
φ1/2 (φ12.7)
φ1/4 (φ6.35) Strainer
Liquid Side Strainer
Gas Side Strainer
φ1/2 (φ12.7) Strainer
Pay attention to
Pay attention to
the arrow direction.
Field-Supplied
Field-Supplied
Field-Supplied
φ1/4 (φ6.35)
Copper Pipe Connection
Field-Supplied
φ1/2 (φ12.7)
Example: MSF-NP63A
Unit: inch (mm)
No. Accessory Figure
Qty.
Remarks
MSF-NP63A MSF-NP112A
1
f
1/4
(
f
6.35)
Strainer
φ1/4 (φ6.35)
Refrigerant Pipe Connection
Refrigerant Pipe Connection
(flaring)
1 -
Attach the strainer close
to the indoor unit at the
liquid side of refrigerant
piping to facilitate
replacement work.
2
f
3/8
(
f
9.52)
Strainer
φ3/8 (φ9.52)
Refrigerant Pipe Connection
Refrigerant Pipe Connection
(flaring)
- 1
3
f
1/2
(
f
12.7)
Strainer
φ1/2 (φ12.7)
Refrigerant Pipe Connection
Refrigerant Pipe Connection
(flaring)
1 -
Attach the strainer close
to the indoor unit at the
gas side of refrigerant
piping to facilitate
replacement work.
4
f
5/8
(
f
15.88)
Strainer
φ5/8 (φ15.88)
Refrigerant Pipe Connection
Refrigerant Pipe Connection
(flaring)
- 1
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