Note: The oil pump test will not ener g ize the oil pump if cooler pre ssure is below –5 psig
(–35 kPa).
When the test is finishe d, or the EXIT softkey is presse d, the test will be stopped an d the
Control Test menu will be di splayed. If a specifi c aut omated test procedure is not completed,
access the particula r co nt rol test to test the functi on when ready. The Control Test menu is
described as follows.
*Make sure to Attach to Lo cal Device after changin g refrigerant type. Ref er to Selecting
Refrigerant Type section.
Automated Tests
PSIO Thermistors
Options Thermistors
Transducers
Guide Vane Actuator
Pumps
Discrete Outputs
Pumpdown/Lockout
Terminate Lockout
Refrigerant Type *
As described above, a complete control test.
Check of all PSIO ther mistors only.
Check of all options bo ards thermistors.
Check of all transdu cers.
Check of the guide vane o peration.
Check operation of pum p outputs, either all pumps ca n be
activated, or individual pumps. The test will also test the
associated input such as flow or pressure.
Activation of all on/ off outputs or individually .
Pumpdown prevents the low refrigerant alarm durin g evac-
uation so refrigerant can be removed from the unit; locks
the compressor off; and starts the water pumps.
To charge refrigerant and enable the chiller to run after
pumpdown lockout.
Sets type of refrigeran t used: HCFC-22 or HFC-134a.