Variable Capacity Compressor - Data Aire gForce Ultra Installation, Operation And Maintenance Manual

NOTE: Charging to a full liquid line sight glass should never be the sole
means of determining the correct refrigerant charge. Other parameters such
as superheat, suction pressure, head pressure, sub-cooling and ambient
temperature are also important. A system charged to a clear sight glass is
often overcharged.
When charging is complete, close the valve on the refrigerant manifold set, switch "Cool 2" and
"Blower" slide switches back to OFF position on manual bypass board, and close the service valve on
the refrigerant tank and remove the manifold set.

5.5.2 Variable Capacity Compressor

NOTE: Prior to refrigerant charging, a system vacuum and moisture removal
procedure must have been carried out. Refer to Section 5.2 for evacuation
procedures prior to charging the system.
WARNING:
vented from starting inadvertently/automatically
See the tables for the appropriate charging
1. After the system has been properly evacuated. Calculate the proper charge by following
the steps of the tables below.
Add the amount of refrigerant needed for the evaporator & condenser + the line-set
then multiply by .80.
Step 1: Select the model and refrigerant charge for evaporator and condenser.
190
200
210
220
230
240
250
The compressor power must be OFF and safeties ON and pre-
Weight of Refrigerant in Evap + Condenser
Model
GUAX-022XX
GUAX-036XX
GUAX-045XX
GUAX-070XX
GUAX-091XX
GUAX-125XX
117
123
129
135
141
147
153
Starting Charge (lbs.)
15
25
32.5
25
32.5
37.5
44
58
61
64
67
71
74
77