Fujitsu Mini-Split User Manual

41
Outdoor Unit
Branch Box
Separation Tube
Assembly Kit
Liquid pipe Adaptor Gas pipe
Branch Box to Indoor
7,000 BTU
1/4 inch
included
3/8 inch9,000 BTU included
12,000 BTU included
18,000 BTU n/a 1/2 inch
24,000 BTU included 5/8 inch
Calculate
Refrigerant Charge
Factory Charge 7.6 lb (3.45 kg)
Unit pre-charged to 0 feet
Pipe Diameter Location Additional Refrig.
3/8” Outdoor to Branch Box 0.624 oz./ft. or 58g/meter
1/4” Branch Box to Indoor Unit 0.224 oz./ft. or 21g/meter
(Total length of 3/8” liquid line × 0.624 oz./ft. or 58g/meter ) + (Total length of 1/4” liquid line × 0.224 oz./ft. or 21g/meter )
(a+b+c+d+e) × 0.624 oz./ft. or 58g/meter + (f+g+h+i+j+k+l+m) × 0.224 oz./ft. or 21g/meter = additional refrigerant
Liquid pipe 3/8 inch
Gas pipe 5/8 inch
=
**
* Distance between outdoor unit & farthest indoor unit.
** Total liquid pipe or total gas pipe.
Branch Box
Branch Box
Piping
Flare connections
=
Height difference between
outdoor and indoor units
98’ max.
49’
max.
Branch Box
Branch Box
Height difference
between indoor and
indoor units
49’ max.
1’ min.
Actual pipe length 230’ max.*
Total Pipe Length
377’ max.**
Flare connections
=
Liquid pipe 1/4 inch
Gas pipe 3/8”, 1/2”, or 5/8”
based on indoor unit size*
=
*Branch box outlets are all 1/2” on gas pipe connections.
1/2” to 3/8” adaptors and 1/2” to 5/8” adaptors included (3 of each).
Max. piping length
between outdoor unit
and farthest branch box
180’ max.
Height difference
between branch
boxes
Pipe length
between
branch box
and farthest
indoor unit
49’
max.
fgh
ijk
lm
a
b
c
e
d
17’ min.
16’
min.
flex
48,000 BTUs

Fujitsu Mini-Split Specifications

General

Brand	Fujitsu
Model	Mini-Split
Category	Air Conditioner
Language	English