5.5
VOLTAGE CHANGEOVER
A.
Some units can undergo a field voltage conversion by qualified
technicians. Consult with the Temptek Service Department to
determine if your unit can be converted. Have your Serial Number
ready and call 317-887-0729.
B.
Typical Conversions for 1/2 to 7.5 horsepower motors and 10 to 16
kW heaters:
1.
240/3/60 to 480/3/60
2.
480/3/60 to 240/3/60
3.
480/3/60 to 208/3/60
Consult factory for other power conversions.
B.
For a field voltage changeover,
the following items will require
replacement or rewiring:
1.
Heater (rewiring)
2.
Motor (rewiring)
3.
Transformer (rewiring)
4.
Motor starter and overload
block (replace)
5.
Replace unit data tag with
tag stating new voltage and
amp rating.
C.
The qualified technician should follow
this procedure to complete a field
voltage changeover:
1.
Disengage operations and verify all system pressure is
relieved and the unit’s pressure gauges read “0”.
2.
Disengage main power
supply. Follow proper
lock-out procedures. The
operator must verify the
Power light on the display
is “off”.
3.
Remove the lift-off access
panel and set aside. (figure
5.5A)
4.
Rewire the heater to the
new voltage. Figure 5.5B
shows the wiring for 230
and 460 volt heaters.
5.
Remove the thermoformed front panel and open the
Temperature Control Units : With ‘LS’ Series Instrument
Page: 45
TEMPTEK, INC.
525 East Stop 18 Road Greenwood, Indiana 46142
317-887-6352 Fax: 317-881-1277
Service Department Fax: 317-885-8683
www.Temptek.com
Thermoformed panel
removed and electrical
cabinet open.
Figure 5.5A
Transformer
Figure 5.5A
Motor Starter and Overload Block
Содержание VETERAN LS Series
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