41
A: Refrigerant piping
Max.length
20m(66ft)
Max. Height difference *
8m(26ft)
MAX. REFRIGERANT PIPING LENGTH & MAX. HEIGHT DIFFERENCE
If pipe length exceeds 7m, additional refrigerant (Freon 22) charge is required
ADDITIONAL REFRIGERANT CHARGE (R-22 : g)
Indoor unit
SLH-1AR.TH, SLH-1AR
1
.TH
SL-1AR.TH
SL-1AR.TH-T
SUH-1VR.TH
SU-1VR.TH
SU-1VR.TH-T
SLH-1.6AR.TH, SLH-1.6AR
1
.TH
SL-1.6AR.TH
SL-1.6AR.TH-T
SUH-1.6VR2.TH
SU-1.6VR2.TH
SU-1.6VR2.TH-T
SLH-2AR.TH, SLH-2AR
1
.TH
SL-2AR.TH
SL-2AR.TH-T
SUH-2VR
1
.TH, SUH-2VR
2
.TH
SU-2VR
1
.TH
SU-2VR
1
.TH-T
20(66)
{
9.52(3/8)
{
12.7(1/2)
{
15.88(5/8)
{
6.35(1/4)
Outdoor unit
Piping size O.D. : mm (in.)
Gas
Liquid
Length : m(ft)
A
Models
w
It does not matter which unit is higher.
Indoor unit
SLH-1AR.TH, SLH-1AR
1
.TH
SLH-1.6AR.TH, SLH-1.6AR
1
.TH
SLH-2AR.TH, SLH-2AR
1
.TH
SL-1AR.TH, SL-1AR.TH-T
SL-1.6AR.TH, SL-1.6AR.TH-T
SL-2AR.TH, SL-2AR.TH-T
SUH-1VR.TH
SUH-1.6VR2.TH
SUH-2VR
1
.TH, SUH-2VR
2
.TH
SU-1VR.TH, SU-1VR.TH-T
SU-1.6VR2.TH, SU-1.6VR2.TH-T
SU-2VR
1
.TH, SU-2VR
1
.TH-T
800
1,400
1,800
800
900
1,600
0
0
0
25
50
15
50
100
30
75
150
45
100
200
60
125
250
75
150
300
90
175
350
105
200
400
120
225
450
135
250
500
150
275
550
165
300
600
180
325
650
195
Outdoor unit
Refrigerant piping length (one way)
7m 8m 9m 10m 11m 12m 13m 14m 15m 16m 17m 18m 19m 20m
Outdoor unit
precharged
(up to 7m)
Models
Calculation : (SLH-1AR)
o
g=25g/m
o
(Refrigerant piping length minus 7m)
(SLH-1.6/2AR)
o
g=50g/m
o
(Refrigerant piping length minus 7m)
(SL-1/1.6/2AR)
o
g=15g/m
o
(Refrigerant piping length minus 7m)
(g)
OC280-B-2.qxp 03.5.23 2:55 PM Page 41
