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SM830078
8. INSTALLATION INSTRUCTIONS
1) 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.
Fig. 1
Tubing length (L)
INDOOR
UNIT
OUTDOOR
UNIT
Elevation difference (H)
0711_M_I
No additional charge of compressor oil is necessary.
*
1
If total tubing length becomes 50 to 165 ft., charge additional refrigerant (R22) by 0.86 oz./ft..
Model
C4232
Tubing Data
CL4232
Tubing size
Narrow tube in. (mm) 3/8 (9.52)
outer dia. Wide tube in. (mm) 3/4 (19.05)
Limit of tubing length (ft.) 165
Outdoor unit is higher
(ft.) 165
Limit of elevation difference than indoor unit
between the 2 units
Outdoor unit is lower
(ft.) 100
than indoor unit
Max. allowable tubing length at shipement (ft.) 50
Required additional refrigerant*
1
(oz./ft.) 0.86
Refrigerant charged at shipment (lbs.) 9.7
Table 1