61
A : Refrigerant piping
Max.length
15m(49ft)
Max. Height difference *
7m(23ft)
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
SEH-1.6AR.TH SEH-1.6AR
1
.TH
SE-1.6AR.TH SE-1.6AR
1
.TH
SE-1.6AR.TH-T SE-1.6AR
1
.TH-T
SEH-2AR.TH
SE-2AR.TH
SE-2AR.TH-T
SEH-2.5AR.TH
SE-2.5AR.TH
SE-2.5AR.TH-T
SUH-1.6VR.TH SUH-1.6VR2.TH
SU-1.6NR.TH SU-1.6VR.TH
SU-1.6VR2.TH
SU-1.6VR.TH-T SU-1.6VR2.TH-T
SUH-2VR.TH SUH-2VR
1
.TH
SUH-2VR
2
.TH
SU-2NR.TH SU-2VR.TH
SU-2VR
1
.TH
SU-2VR.TH-T
SU-2VR
1
.TH-T
SUH-2.5VR.TH
SU-2.5NR.TH SU-2.5VR.TH
SU-2.5VR.TH-T
15(49)
{
12.7(1/2)
{
15.88(5/8)
{
6.35(1/4)
{
9.52(3/8)
Outdoor unit
Piping size O.D. : mm (in.)
Gas
Liquid
Length : m(ft)
A
Service Ref.
Indoor unit
SEH-1.6AR.TH
SEH-1.6AR
1
.TH
SEH-2AR.TH
SEH-2.5AR.TH
SE-1.6AR.TH SE-1.6AR
1
.TH
SE-1.6AR.TH-T SE-1.6AR
1
.TH-T
SE-2AR.TH
SE-2AR.TH
SE-2AR.TH-T
SE-2.5AR.TH
SE-2.5AR.TH-T
SUH-1.6VR.TH
SUH-1.6VR2.TH
SUH-2VR.TH SUH-2VR
1
.TH
SUH-2VR
2
.TH
SUH-2.5VR.TH
SU-1.6NR.TH SU-1.6VR.TH SU-1.6VR2.TH
SU-1.6VR.TH-T SU-1.6VR2.TH-T
SU-2NR.TH
SU-2VR.TH SU-2VR
1
.TH
SU-2VR.TH-T
SU-2VR
1
.TH-T
SU-2.5VR.TH SU-2.5NR.TH
SU-2.5VR.TH-T
1650
1400
1800
2400
900
1650
1600
2150
0
0
50
65
15
100
130
30
150
195
45
200
260
60
250
325
75
300
390
90
350
455
105
400
520
120
Outdoor unit
Refrigerant piping length (one way)
7m 8m 9m 10m 11m 12m 13m 14m 15m
Outdoor unit :
precharged
(up to 7m)
Service Ref.
Calculation : (SEH-2.5AR)
o
g=65g/m
o
(Refrigerant piping length minus 7m)
(SEH-1.6/2AR)
o
g=50g/m
o
(Refrigerant piping length minus 7m)
(SE-)
o
g=15g/m
o
(Refrigerant piping length minus 7m)
(g)
OC281-B-3.qxp 04.2.10 2:23 PM Page 61