Sterlco GH-M Series Extrusion Control Weigh Hoppers User Manual
Page 48
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Chapter 7: Appendix
48 of 60
Customer Responsibilities
Any sales, use, or other tax incident to the replacement of parts under this warranty is the
responsibility of the purchaser.
Annex B Information
The following design information is provided for your reference:
1. No modifications are allowed to this equipment that could alter the CE compliance
2. Ambient temperature:
40 degrees Celsius – Maximum (104 degrees
Fahrenheit)
3. Humidity range:
50% relative humidity
4. Altitude:
Sea
level
5. Environment:
Clean, dust-free and non-explosive
6. Radiation:
None
7. Vibration:
Minimal,
i.e.
machine
mounting
8. Special installation requirements:
Clean, dry compressed air 1 cfm @ 60 psi (1.7
m³/hr @ 4.14 bar)
9. Allowable voltage fluctuation:
+/- 10%
10. Allowable frequency fluctuation:
Continuous
+/- 1%
Intermittent +/-
2%
11. Nominal supply voltage:
120/1/60 or 220/1/50/60 (Verify on serial number tag)
12. Earth ground type:
TN (system has one point directly earthed through a
protective conductor)
13. Power supply should include a neutral power connection.
14. Over-current protection is supplied in the GH Hopper, but additional protection
should be supplied by the user.
15. The plug on the power cord serves as the electrical disconnect device.
16. Unit is not equipped with three-phase motors.
17. Functional identification
18. Cable support may be required for power cord, depending on final installation.
19. No one is required to be in the interior of the electrical enclosure during the normal
operation of the unit. Only skilled electricians should be inside the enclosure for
maintenance.
20. Doors can be opened with a screwdriver, but no keys are required.
21. Two-hand control is not required or provided.
22. All hoppers should be moved around and set in a place with a lift truck or equivalent.
23. There are no frequent repetitive cycles that require manual control
⎯repetitive
functions are automatic while the GH Hopper is operating.
24. An inspection report detailing the functional test is included with the GH Hopper.
25. The machine is not equipped with cableless controls.
26. Color-coded (harmonized) power cord is sufficient for proper installation.