Reference Manual
00809-0100-4728, Rev HA
December 2002
Models 644H and 644R
2-4
INSTALLATION
Typical European
Installation
Head Mount Transmitter with DIN Plate Style Sensor
1.
Attach the thermowell to the pipe or process container wall. Install
and tighten the thermowell before applying process pressure.
2.
Verify the transmitter failure mode switch.
3.
Assemble the transmitter to the sensor. Push the transmitter
mounting screws through the sensor mounting plate and insert the
snap rings (optional) into the transmitter mounting screw groove.
4.
Wire the sensor to the transmitter (see Figure 2-8 on page 2-10).
5.
Insert the transmitter-sensor assembly into the connection head.
Thread the transmitter mounting screw into the connection head
mounting holes.Assemble the extension to the connection head.
Insert the assembly into the thermowell.
6.
Attach a cable gland into the shielded cable.
7.
Insert the shielded cable leads into the connection head through the
cable entry. Connect and tighten the cable gland.
8.
Connect the shielded power cable leads to the transmitter power
terminals. Avoid contact with sensor leads and sensor connections.
9.
Install and tighten the connection head cover. Enclosure covers must
be fully engaged to meet explosion-proof requirements.
A = Model 644H Transmitter
D = Transmitter Mounting Screws
B = Connection Head
E = Integral Mount Sensor with Flying Leads
C = Thermowell
F = Extension
A
D
B
C
31
44
-0
43
3QI
G
E
F
Содержание Rosemount 644h
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