Vogt P18AL TUBE-ICE, Service Manual

Page: 40 / 88

P18AL Service Manual
START-UP AND OPERATION
3/6/07
5-5
Start-up
! CAUTION !
The crankcase heater should be energized for a MINIMUM of
4 hours and the crankcase must be free of liquid before
attempting to operate the compressor.
! CAUTION !
FIGURE 5-1
Bottom Of Control Panel
Starting the machine in freeze mode :
(NOTE: machine will always start in the harvest mode when the “Clean/Off/Ice” selector switch is turned to “Ice”)
1. Make sure the crankcase oil temperature is approximately 100
o
F and there is no liquid ammonia
in the crankcase.
2.
Set the “Clean/Off/Ice” selector switch (SS) to the “Clean” position.
3.
Push the “Start” button (PB2) to start the water pump.
4.
The pump can be stopped and started by “Stop” and “Start” push buttons to purge the tubing of
air.
5.
When there is good water flow, turn the “Clean/Off/Ice” switch to “Ice”, and the machine will
then start in a harvest (thaw) period with the compressor running.
6.
At the termination of the harvest (thaw) period, the machine will begin the freeze period.
7.
Observe the oil pressure, the oil level, the discharge pressure and listen for any unusual sounds.
The compressor should start unloaded and automatically start after several seconds of operation.
8. Set the thaw gas pressure regulator and/or the suction regulator (if used). See “Thaw Gas
Regulator” and “Suction Regulator” on page 5-7 for instructions.
9.
Be sure to observe a minimum of four (4) cycles of ice production to confirm the satisfactory
operation of the machine.
10.
Complete the remaining part of the “Warranty Registration/Start-Up Report” and return it to the
TUBE ICE
®
, LLC.