COMPONENT ASSEMBLY/INSTALLATION
Leg Assembly
The legs are shipped loose and are to be field mounted as shown with the hardware provided.
Typical rigging
Rigging
Holes in the drycooler legs permit lifting the unit. Spreader bars are required. Four, 6 and 8 fan models have additional lifting eyes.
High Voltage Electrical
Secure each leg to drycooler frame at all four points shown using hardware provided
Outlet | Inlet | Electrical service |
supply by others |
Models
Models 620 through 940 have 2 sets of connections on end of unit
Figure 7 General arrangement diagram
| Fill* |
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| Optional dual pump | |
Expansion |
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| Drycooler coil | system shown | |
tank field | Drycooler |
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| Glycol |
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electric box |
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in system |
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Connections
Line Voltage is connected to the terminal strip or directly to the factory sup- plied locking
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Hose
bib*
| Pump |
Gate or ball* | housing |
valve for | Check valves* |
isolation (typ) | |
Gate or ball* | on dual pump |
valve for bypass | systems only |
disconnect (optional). Check voltage
and compare to nameplate.
Low Voltage Electrical Connections
Acontrol inter- lock between the indoor and out- door equipment must be mini- mum 16 ga. for up to 75 ft. or not to exceed 1 volt drop in control line.
Flow switch supplied with dual pump systems*
Flow regulating valve*
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| Field piping |
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| * Components are not supplied by Liebert, | ||||||||||
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Flow direction | necessary for system operation. | ||||||||||||
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