2.3
WATER SUPPLY CONNECTION
A.
Connect the unit’s Water Supply port to the plant’s city water, well
water, tower water or chilled water supply.
B.
Water supply pressure requirements vary with operating
temperatures. Figure 2.2A shows the required operating water
supply pressures for various operating process temperatures. The
required water supply pressure retains process water in a liquid
state at temperatures over 180°F. Failure to maintain the required
water supply pressure will cause premature failure of and increase
maintenance in susceptible areas such as the shaft seal and heater.
C.
The factory recommended
minimum operating water supply
pressure requirement is identified
on the unit’s data tag (figure 2.2B).
D.
Static water supply pressure can
be determined at the unit’s location
by reading the unit’s 0-160 PSI
pressure gauges when the unit’s
pump motor is OFF.
E.
If water supply pressure as read
on the unit’s pressure gauges
exceeds 75 PSI, a pressure
reducing valve must be installed
in the water supply line (refer
to section 7.4 of this manual for
installation information). The factory
recommended ‘regulated pressure
out’ is 55 PSI (figure 2.2C ).
2.4
DRAIN CONNECTION:
A.
Connect the unit’s DRAIN port to
one of the following, determined by
the water supply source:
1.
Open drain for well or city water supply.
2.
Tower water system return for tower system water supply.
Temperature Control Units : With ‘LS’ Series Instrument
Page: 15
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
Typical Data Plate
Figure 2.2B
Typical pressure reducing valve
installation (shown on S-925).
Figure 2.2C
180°F
20 PSI
190°F
25 PSI
200°F
30 PSI
210°F
35 PSI
220°F
40 PSI
230°F
45 PSI
240°F
50 PSI
250°F
55 PSI
OPERATING TEMPERATURE
WATER SUPPLY PRESSURE
Figure 2.2A
Содержание VETERAN LS Series
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