Adding Refrigerant To System (Full Charge) - Carrier Transport Air Conditioning Installation Procedures Manual

Manufacturer
Seltec -- Valeo -- ICE -- Zexel -- Sanden
Alma (A--6)
05G & 05K Bus & 06D
For questions regarding charging procedures, contact the Carrier Transport Air Conditioning Technical Service Hot
Line (1--800-450-2211).
Use only the exact oil specified by Carrier Transicold. Use of oil other than that specified will void the
compressor warranty.

8.1.6 Adding Refrigerant to System (Full Charge)

.
a. Evacuate unit and leave in deep vacuum.
b. Place cylinder of R-134a on scale and connect charg-
ing line from cylinder to liquid line valve. Purge charg-
ing line at liquid line valve and then note weight of cyl-
inder and refrigerant.
c. Calculate the approximate refrigerant charge using
either Table 8-1 or Table 8-2. Open liquid valve on re-
frigerant cylinder. Open suction line service port cou-
pler and allow the liquid refrigerant to flow into the unit
until the correct weight of refrigerant has been added
as indicated by scales.
Change 06/10
Table 8-4 COMPRESSOR OIL TYPE & PART NUMBERS
Oil Type
PAG
PAG
POE
CAUTION
It may be necessary to finish charging unit
through suction service port in gas form, due to
pressure rise in high side of the system.
d. Close suction line service port coupler. Close liquid
valve on cylinder.
e. Start unit in cooling mode. Run approximately 10 min-
utes and check the refrigerant charge. (Refer to
Table 8-5).
8--3
CTAC Part Number
46--50006--00
46--50004--00
46--50008--00
NOTE
T--311