Publicité
5000800a_RET_REO_032008:6
032008
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23.06.2008
16:26 Uhr
Seite 19
Setting temperature control mode for
RET basic safety control
When using an external PT1000 temperature sensor, the user can
choose between two types of control:
PI mode
Good control results, minimised overshooting, slow rise in tempe-
rature.
2P mod (two-point controller)
Maximum heating rate, increased overshooting
Factory setting: PI mode
Changing the temperature control mode
1. Set target temperature to 2 °C
2. Switch off device
3. Hold down temp knob
4. Switch on device
This activates or deactivates the two-point controller (2P) for the
external PT 1000 temperature sensor (2P appears on the display).
When switching on the device, 2P is also displayed next to the
operating mode A/B when the two-point controller is activated.
When the heating function is active in 2P mode, (with external PT
1000 temperature sensor) the actual temperature flashes - that
notifies the user that the process temperature has been greatly
overshot!
Assembling the stand
Remove screw plugs (M)
Remove the protective cap from the support rod
Put the washer between housing and nut
Screw the support rod onto the device by hand until the end
stop is reached
Use an A/f 17 spanner to tighten the M10 nut
Accessories should be attached using cross sleeves
Note: For bath attachments with diameters
greater than ø 180 mm only use the support
rod H 16 V with the extension H 16.1.
Fig. 6
19
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