Seasonal Unit Start-Up
1. Close all drain valves, and reinstall the drain plugs in
the evaporator and condenser headers.
2. Service the auxiliary equipment according to the
start-up and maintenance instructions provided by
the respective equipment manufacturers.
3. Fill and vent the cooling tower, if used, as well as the
condenser and piping. At this point, all air must be
removed from the system (including each pass). Then
close the vents in the condenser waterboxes.
4. Open all of the valves in the evaporator chilled water
circuit.
5. If the evaporator was previously drained, fill and vent
the evaporator and chilled water circuit. When all air
is removed from the system (including each pass),
close the vent valves in the evaporator water boxes.
6. Lubricate the external vane control linkage as need-
ed.
7. Check the adjustment and operation of each safety
and operating control.
8. Close all disconnect switches.
9. Perform instructions listed in Unit Start-Up Check
section.
TCVHE-SVX04D-EN 63
Start-up and Shut Down
RELEASED 10/Mar/2020 06:59:20 GMT
CAUTION
Control panel and Starter:
A ladder should be used when maintaining control panel and starter since the dis-
tance to the ground (see Figure 41. Attach the suggesting ladder drawing.)
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