CA - A 11
Charge Assist™
Adjusting System Charge WITHOUT Charge
Assist
TM
Tool BAYCAKT001AA (Solenoid Kit)
Step 4
Once the system has stabilized, review the CHARG-
ING LEDs (Figure 23) to determine what, if any, sys-
tem charge adjustment is required:
Step 1
Hook-up gauges to the refrigerant bottle and the Charge
Assist
TM
port (Figure 21).
Important: Purge refrigerant lines during hook-up.
Step 2
Start Charge Assist
TM
by pressing the MODE button
for a minimum of 2 seconds (Figure 22).
Step 3
The system may need to run up to 20 minutes to sta-
bilize.
Figure 21
Note: Charging set-up should be for liquid refrigerant. Picture shows
inverted bottle, not all bottles need to be inverted. Some cylinders
must be inverted for liquid and others contain a dip tube for liquid
refrigerant. This feature requires liquid charging. Determine how to
position the bottle.
Figure 22
Note: To stop Charge Assist
TM
at anytime, press the MODE
button.
Note: During system stabilization, the STABILIZING LED will flash.
Note: If the system has been running, it may go straight to Step
4.
Note: For communicating systems that have not been running,
the low stage compressor will run for one minute and then turn
off. After one minute (inter-stage delay), the high stage com-
pressor will start and the stabilization routine will begin.
• If the amber ADD LED is on and the CHARGED LED
is flashing, then the system is under charged. Add
refrigerant until the CHARGED LED turns on (not flash-
ing) and the ADD LED is off.
• If the red REC LED is on, then the system is over
charged. The system will stop running and be locked
out for one hour. Press the mode button to exit the
Charge Assist
TM
lockout. Refrigerant must be recov-
ered before re-starting Charge Assist
TM
.
• If the green CHARGED LED is on, Charge Assist
TM
has determined that the system is correctly charged.
Figure 23
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