Hach AS950 Basic Installation And Maintenance page 15

Figure 9 Site installation
1 Strainer
Electrical installation
Connect the sampler to power
Electrocution hazard. If this equipment is used outdoors or in potentially wet locations, a Ground Fault
Circuit Interrupt (GFCI/GFI) device must be used for connecting the equipment to its main power
source.
Fire hazard. Install a 15 A circuit breaker in the power line. A circuit breaker can be the local power
disconnect, if located in close proximity to the equipment.
Electrocution hazard. Protective Earth Ground (PE) connection is required.
Electrocution hazard. Make sure that there is easy access to the local power disconnect.
Connect the power cord on the AWRS or both power cords on the refrigerated sampler. The
refrigerator starts after a 5-minute delay. Use a power line filter or connect the power cord for the
controller to a different branch circuit to decrease the possibility of electrical transients.
Controller connections
Electrical shock hazard. Externally connected equipment must have an applicable country safety
standard assessment.
Figure 10 shows the electrical connectors on the controller.
2 Vertical lift
D A N G E R
D A N G E R
D A N G E R
W A R N I N G
W A R N I N G
3 Mounting surface
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