NOTE:
1. It is strongly recommended that the chassis of the NEMA 4 enclosure be
bonded to ground. It is especially important to ground the unit when
operating from 120 VAC.
2. It is strongly recommended that the external ¼-20 ground stud be
utilized for proper grounding.
3. When powering from AC substation service, appropriate surge
suppression for lightning protection is required to be installed on the
AC mains feeding the unit. See Application note "AN003 Surge
Protection" for details of the problem and a list of approved surge
protective devices for our products. Application notes are available on
our website www.advpowertech.com.
WARNING!:
NEVER CONNECT POWER TO TERMINALS DESIGNATED FOR THE AUX
CT. SERIOUS DAMAGE WILL OCCUR.
3.3
Temperature Probes
The TTC-1000 can be equipped with up to three probes. Universal thermowell
probe types TTC-PROBE-01 and TTC-PROBE-11 are each provided with three
thermometer well adapter fittings: 7/8-UNF (ANSI/IEEE C57 thermometer well),
½-NPT and ¾-NPT and three probe sleeves: 0.481, 0.625 and 0.675 OD.
Temperature probes are interchangeable and do not require calibration. The
temperature probes and measurement circuitry are intrinsically accurate to the
stated accuracy specification. The probe leads are connected to a plug gable
compression style terminal block. A terminal block is supplied with each unit and
plugs into TB2.
3.3.1 TTC-PROBE-01 Installation
Probe type TTC-PROBE-01 is
provided with a strain relief
that seals the thermometer
well and holds the probe from
pulling out of the well. Figure
3.4 shows the outline drawing
for this probe type.
Figure 3.4: PROBE-01
Probe Cable
Installation
Washer
Washer
Spring
Snap Elbow
(Included)
(Included)
(Included)
Brass Fittings
(Included)
13
Probe
Thermometer Well
Sleeve
(Included)
Probe
V6.70 20131017
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