4
STARTUP
Startup .............................................................................................................................. 17
Pre-charge Check List ........................................................................................................ 18
Refrigerant Charge ............................................................................................................ 18
Final Checks ...................................................................................................................... 20
Control Settings ................................................................................................................. 20
Auxiliary Systems .............................................................................................................. 21
Offtime Defrost ................................................................................................................. 22
Sensor Applications ........................................................................................................... 22
Suction Pressure Sensor ................................................................................................ 22
Service and Maintenance ................................................................................................... 23
Compressor Replacement ................................................................................................ 23
Replacing Drier ................................................................................................................. 24
Checklist ............................................................................................................................ 25
Sequence of Operation ......................................................................................
3090249_D
P/N
TABLE OF CONTENTS
(Continued)
- LOCK OUT / TAG OUT -
To avoid serious injury or death from electrical
shock, always disconnect the electrical
power at the main disconnect when servicing
or replacing any electrical component. This
includes, but is not limited to, such items as
doors, lights, fans, heaters, and controllers.
Proto-Aire EZ I/O Manual
27