Vogt
®
VT Service Manual 4-1
Initial Startup
4. Initial Startup
START-UP PROCEDURE
Prior to start-up, the following items should be checked:
1.
Make sure all packing has been removed from the lowside unit. To do this, you must remove the upper
and lower evaporator housing covers. Remove to upper casing first, then the lower. (See Figure 4-1)
2. Open all service and ball valves. (Figure 4-4 & 4-5)
3. Check that bin switch is installed correctly. (Figure 2-5)
4. Check voltage and verify with nameplate.
5. Verify adequate water supply and water level of two (2”) inches.
6. Verify Ice/Off/Clean selector switch on the lowside unit is in the “Off” position.
7. Energize unit two (2) hours prior to starting to energize crankcase heater.
8. Ensure that circuit breakers in condensing unit control panel are in the “on” position. (Figure 4-2)
Note: “Control Power” Light will be ON when power is supplied to Lowside
At completion of above eight (8) items, machine is ready to run. Place selector switch in “Clean” position
and check water flow. (If the pump does not come on, press the green “Manual Harvest” button). Place
selector switch in “Ice” position and press “Manual Harvest” button. The machine will start in a harvest mode
then proceed to the Freeze mode. Observe machine operation. Make no changes to any settings on
machine for six (6) cycles. Verify pressures settings conform to service manual information. Do not trust
pressure control scales.
FIGURE 4-1
Evaporator Housing Covers (Upper & Lower)
CAUTION !!! Make sure Lower Evaporator Housing Cover is
put back on machine before power is applied.
Upper Evaporator
Housing Cover
Lower Evaporator
Housing Cover
Never Operate Machine with Lower
Evaporator Housing Cover Removed.
Disconnect Power to machine before
removing lower evaporator cover.
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