Sanyo CH4242 User Manual
Page 10
9
S4359146
9
9
9
9
9
SC
1
1
1
1
1
X
8
8
8
8
8
WT
7
7
7
7
7
RC
(WL)
5
5
5
5
5
C
4
4
4
4
4
U
3
3
3
3
3
T
2
2
2
2
2
K
6
6
6
6
6
RC
(WD)
1-5.
Tubing Length
●
Refrigerant tubing between the indoor and
outdoor units should be kept as short as
possible.
●
Select and decide the installation location so
that the length of the refrigerant tubing will be
within the limits given in Table 1-10.
Tubing length (L)
INDOOR
UNIT
OUTDOOR
UNIT
Elevation difference (H)
0711_M_I
Fig. 1-1
Table 1-10
Limit of elevation
difference between
the 2 units
Models
CH2442
CH3642,
CH4242
Tubing Data
Tubing size
Narrow tube
in. (mm)
1/4 (6.35)
3/8 (9.52)
outer dia.
Wide tube
in. (mm)
3/4 (19.05)
3/4 (19.05)
Limit of tubing length
(ft.)
165
165
Outdoor unit is higher
165
165
than indoor unit
(ft.)
Outdoor unit is lower
100
100
than indoor unit
(ft.)
Max. allowable tubing length at shipment (ft.)
100
100
Required additional refrigerant
(oz./ft.)
0.48
*1
0.53
*2
No additional charge of compressor oil is necessary.
*
1
If total tubing length becomes 100 to 165 ft., charge additional refrigerant (R22) by 0.48 oz./ft..
*
2
If total tubing length becomes 100 to 165 ft., charge additional refrigerant (R22) by 0.53 oz./ft..