Settings; Limit Setting; Tw, Stw, Tb (Code 7); Stb (Code 70) - JUMO ATH-EXx Operating Instructions Manual

5.1

Limit setting

5.1.1 TW, STW, TB (code 7)

5.1.2 STB (code 70)

Setting the limit
according to
the scale
Open the housing.
"Opening the surface-mounting thermostat", page 9
Set the limit on the setpoint spindle (1).
Important note for setup and operation!
When the thermostat is used as a safety device for explosion protection in
accordance with EU Directive 94/9/EC Annex II Sec. 1.5, a functional test is
required that conforms to the applicable regulations.
The switching point must be fixed by the installation engineer after thermally
testing individual items, and secured against alteration. Several aspects
must be observed:
- the probe geometry and thermal coupling
- the maximum ambient temperature
- the maximum product temperature
Open the housing.
"Opening the surface-mounting thermostat", page 9
Set the limit on the setpoint spindle (1) against the internal scale.
Secure this setting by sealing the setpoint spindle ( 1 ), for instance with
"red" thread sealing wax, temperature resistant to at least +80°C)
( 1 )

5 Settings

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