Control Panel Functions

Control Panel:

Keypad Functions:

This explains the functions of the various components of the unit's control panel.

^ Main Power Switch--Supplies electrical power to the control panel.
^ Beeper--Emits an audible tone to alert the operator to unit operating functions.
^ Digital Display--Shows the time programmed for vacuum and the weight of refrigerant programmed for recharging. Detailed instructions for programming this display are included in "Digital Display Functions".
^ Low Side Manifold Gage--When connected to an A/C system, this gage shows the system's low side pressure.
^ High Side Manifold Gage--When connected to an A/C System, this gage shows the system's high side pressure.
^ Moisture Indicator--Shows if the refrigerant is wet or dry.
^ Low Side Valve--Connects the low side of the A/C system to the unit.
^ High Side Valve--Connects the high side of the A/C system to the unit.

In addition to the number keys, the control panel contains special keys
that accomplish specific operating functions.

^ RECYCLE--Activates the recycling sequence.
^ RECOVER--Activates the recovery sequence.
^ SHIFT/RESET--Activates "shifted" positions of keys on the keypad and resets the program mode.
^ FILTER--Automatically recovers and evacuates to 17 in. Hg. from the filter and low side of the unit.
^ CHG.--Automatically charges the A/C system with the programmed amount of refrigerant.
^ HOLD/CONT.--Interrupts the automatic cycle in the "HOLD" position, and then resumes functions in the "CONT" position. Press this button once for "HOLD," and again for "CONT"
^ VACUUM--Activates the vacuum and automatic recycling sequence.
^ ENTER--Enters programmed data into the unit's control memory.