Installation; Typical North American Installation - Endress+Hauser TMT122 Operating Instructions Manual

3 Installation

Installation
10
3.2 Installation
3.2.1

Typical North American installation

For installation, proceed as follows:
• Attach the TMT 122 transmitter to a suitable rail or panel.
• Attach thermowell (1) to pipe or process container wall. Install and tighten the thermowell before
applying process pressure.
• Attach necessary extension nipples and adapters (3) to the thermowell (1). Seal the nipple and
adapter threads with silicone tape.
• Screw the sensor (2) into the thermowell (1). Install drain seals if required for harsh environments
or to satisfy code requirements.
• Screw the connection head (4) to the sensor assembly.
• Attach the sensor lead wires to the connection head terminals.
• Connect sensor wires from the terminals inside the head to the TMT 122 transmitter (5).
• Install and tighten the connection head cover. Enclosure covers must be completely engaged to
meet explosion-proof area requirements.
fig. 3: Installation of DIN rail TMT 122 transmitter.
1 thermowell
2 sensor
3 extension nipples and adapters
4 connection head
5 TMT 122 transmitter
Temperature DIN rail transmitter
1
35mm
IEC 60715
2
Endress+Hauser