Yokogawa Advanced Reflux Sampler User Manual

Page 18

April 2011

IM 11A00V01-01E-A

10.4.3 Display Adjustment

The adjustment head provided (Figure 1), enables the set

temperature to be raisd or lowered, one the drive screw ‘C’

has been engaged.
To make any adjustment the blue knob is turned clockwise to

lower the temperature, and counterclockwise to increase it.
After setting, if desired, the drive screw can be disengaged

by prying out the black plastic cap ‘B’ with a small flat-head

screwdriver, via the slot provided, remove the 3 mm A/F allen

headed drive screw ‘C’ and stow in the knob, then replace the

black cap.
The adjustment knob will now spin freely without changing the

temperature setting.

10.4.4 Commissioning

Reference Figure 2, opposite, for the following instructions:
Adjust to the desired setting by turning the knob clockwise to

lower the temperaure and counterclockwise to increase it.
After setting the plant to work, compare the thermometer

reading with the scale reading on the temperature control

reading. This may be found to differ by a few degrees. If

precise indication is require it can be adjusted by resetting the

scale as follows.

1. Loosen the screw holding the sleeve scale in place and

adjust the sleeeve by rotating it until the scale reading

matches the actual temperature.

2. Tighten the screw until it holds the scale firmly in place

without over tightening (it only needs a light touch as it

is for location only).

Fig. 2

Knob

Screw

Sleeve

scale

Fig. 1

Adjustment head (knob)