20
tighten the gage manifold to the compressor suction valve (HV1) gage
port.
B. Close the compressor suction valve (HV1) one turn.
C. Open the refrigerant drum gas valve and charge the proper amount of
the “gaseous” refrigerant into the system while the compressor is
running until the liquid level shown on the surge drum sight glass
reaches the center of the sight glass.
DO NOT OVERCHARGE THE SYSTEM!
D. Close the suction connection on the gage manifold.
7. Refrigeration System Data
Evaporator Capacity Power Water Cooling Pressure Cooling Twr
Consump. Tower Drop Press. Drop
Temp (F) (BTUH) (W) (GPM) (GPM) (PSI) (PSI)
-10
169000 22915 28.8 57.6 6.8 2
-20 135000 20449 22.0 44.0 4.5 2
-30 106000 18009 15.6 31.2 2.6 2
-40 79000 15389 12.3 24.6 2.0 2
A. Refrigerant Charge
Model 6049-6 6049-7 6049-8 6049-9 6049-10
R-404A (lbs)
140 153 165 179 191
R-507 (lbs) 140 153 165 179 191
Model 5549-6 5549-7 5549-8 5549-9 5549-10
R-404A (lbs)
72 81 89 98 106
R-507 (lbs) 72 81 89 98 106
B. Compressor Oil
R-404A or
R-507 Charge – Mobile Artic 22C Synthetic
Refrigeration Oil #998-E022-01
Initial Charge: 160 ounces
Recharge: 144 ounces