CA - A 3
Charge Assist™
Connecting The Charge Assist™ Tool
Step 1-A
Attach BOTTLE side of tool to liquid side of refriger-
ant bottle with field supplied high pressure hose (Fig-
ure 2.)
WARNING
Do not connect backwards.
Hoses will contain refrigerant that will be under
pressure.
Installer’s guide for BAYCAKT001AA
Charge Assist™ Tool
Figure 2
• Com LED Flashing = The number of Flashes equals
the number of communicating controls talking on the
Data Line. Example: A communicating system
thermostat + a communicating indoor unit + a
communicating outdoor unit = Three Flashes.
• Fault LED Flashing = When the CA™ control
detects a fault it will flash this LED a different number
of times for each fault detected.
• The following LEDs are used during the CA™ mode
cycle only; LOW PRESSURE, ODT, CHARGING
(STABILIZING), ADD, REC, and the CHARGED LED.
Important - This tool was designed to assist in prop-
erly charging a Charge Assist™ equipped Air Condi-
tioning or Heat Pump system with refrigerant by in-
terfacing with a microprocessor that calculates the
system subcooling.
Device is not intended to charge without at least 50
PSIG of refrigerant pressure or temperatures below
55°F. To be used in cooling mode only.
Step 1-B
Attach Charge Assist™ PORT side of tool to Charge
Assist™ port on unit with refrigerant hose (Figure 3.)
Figure 3
Step 1-C
Open bottle all the way to release refrigerant. Turn
the knob to PURGE to allow flow. Unscrew connec-
tion slowly at the tool to purge the non-condensed
gasses (Figure 4.)
Figure 4
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