Endress+Hauser iTEMP TMT71 - Page 13

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iTEMP TMT71/72 Installation
Mounting typical of North America
1
2 3 4 5
6
5
6
A0008520
 4 Head transmitter mounting
1 Thermowell
2 Insert
3 Adapter, coupling
4 Terminal head
5 Head transmitter
6 Mounting screws
Thermometer design with thermocouples or RTD sensors and head transmitter:
1. Fit the thermowell (1) on the process pipe or the container wall. Secure the
thermowell according to the instructions before the process pressure is applied.
2. Fit the necessary neck tube nipples and adapter (3) on the thermowell.
3. Make sure sealing rings are installed if such rings are needed for harsh
environmental conditions or special regulations.
4. Guide the mounting screws (6) through the lateral bores of the head transmitter (5).
5. Position the head transmitter (5) in the terminal head (4) in such a way that the bus
cable (terminals 1 and 2) point to the cable entry.
6. Using a screwdriver, screw down the head transmitter (5) in the terminal head (4).
7. Guide the connection wires of the insert (3) through the lower cable entry of the
terminal head (4) and through the middle hole in the head transmitter (5). Wire the
connection wires up to the transmitter →  15.
8. Screw the terminal head (4), with the integrated and wired head transmitter, onto
the ready-mounted nipple and adapter (3).
NOTICE
The terminal head cover must be secured properly to meet the requirements for
explosion protection.
‣
After wiring, securely screw the terminal head cover back on.
Endress+Hauser V. 1, Rev. 2, 4-10-2018 13