Robinair 178012K Recovery, Recycling, Recharging Unit - Manual (Page 30)

© 2000 Robinair, SPX Corporation 28
USING THE CONTROL PANEL
The control panel has various components that control specific operating functions.
MAIN POWER Switch — Supplies electrical power to the control panel.
Digital Display — Shows the time programmed for vacuum and the weight of refrigerant
programmed for recharging. Detailed instructions for programming the digital display follow
this section.
Air Purge Indicator — Shows when non-condensables need to be purged from the tank.
LIQUID/VAPOR Indicator — Shows if liquid or vapor refrigerant is being recovered. If
the light is on, liquid refrigerant is being recovered. If the light is off, vapor refrigerant is being
recovered.
LOW Side Manifold Gauge — Connects to an A/C-R system and shows the system’s low
side pressure.
HIGH Side Manifold Gauge — Connects to an A/C-R system and shows the system’s
high side pressure.
HIGH Side Valve — Controls the high side flow from the A/C-R system through the unit.
LOW Side Valve — Controls the low side flow from the A/C-R system through the unit.
Air Purge Valve — Controls the release of non-condensables from the tank.
Diagram of Control Panel and Keypad
Display
Air Purge Gauge
Main
Power
Switch
Keypad
Air
Purge
Valve
Low
Side
Valve
High
Side
Valve
High Side
Gauge
Low Side
Gauge
Liquid/Vapor
Indicator
Operating Guidelines