4700 Refrigerated Sampler Service Guide
Section 4 CPU and Power Supply
4-15
4.5 Power Supply
The 4700 power supply is the same for 120V and 230V samplers.
A plug adaptor is provided 230V samplers.
4.5.1 Recent Changes to the
Power Supply
The old 4700 power supply has been replaced by a new, more
powerful power supply. The pump assembly has been redesigned
to take advantage of this feature.
The chart below lists the part numbers of the old and new pumps
and power supplies, and the sampler serial numbers corre-
sponding to the changes.
CAUTION
Although the old pump will work with the new power supply, the
n ew p u m p w i l l N OT wo r k w i t h t h e o l d p owe r s u p p l y,
69-4704-010. Do not install the new pump without ensuring
that the sampler also has the new power supply.
The old and new power supplies and pumps can be distinguished
from each other by their appearance. See Figure 4-4 for a com-
parison of the old and new power supplies. For additional infor-
m a t i o n a b o u t t h e u p d a t e d p u m p a s s e m b l y, s e e
Section 2.3.5
Recent Changes to the Pump
.
120V 60-4704-040
230V 60-4704-062
Power Supply
69-4704-010
(Old)
(no longer available)
60-4704-040
(New)
120V, beginning with
Serial #207H02221
60-4704-062
(New)
230V, beginning with
Serial #207L00043
Pump Assembly
60-4704-030
(Old)
120V and 230V, older
models
60-4704-128
(New)
120V, beginning with
Serial #207K01237
230V, beginning with
Serial #207L00043
Summary of Contents for 4700
Page 2: ......
Page 6: ...Isco 4700 Refrigerated Sampler Service Guide Safety iv ...
Page 12: ...4700 Refrigerated Sampler Service Guide Table of Contents x ...
Page 30: ...4700 Refrigerated Sampler Service Guide Section 1 Introduction and General Guidelines 1 18 ...
Page 60: ...4700 Refrigerated Sampler Service Guide Section 2 Sample Delivery System 2 30 ...
Page 108: ...4700 Refrigerated Sampler Service Guide Section 4 CPU and Power Supply 4 26 ...
Page 124: ...4700 Refrigerated Sampler Service Guide Appendix A Electrical Diagrams A 2 ...
Page 126: ...4700 Refrigerated Sampler Electrical Wiring A 4 Figure A 3 4700 wiring diagram 230V ...
Page 128: ...4700 Refrigerated Sampler Electrical Wiring A 6 Figure A 5 4700 CPU schematic diagram ...
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