Alfa Laval PureBallast 135 Compact USCG, System Manual

Page: 289 / 412

3
PT201-72
a) Compare values indicated for the
transmitters in control system and the
measure equipment.
4
PT201–16
a) Adjust handle on PT201-16 to establish
pressure to measure point.
b) Compare value indicated in control
system and measure equipment.
5
Compare that the two pressure transmitters
are indicating the same value.
7.2.1.3 Calibrate UV reactor components, transmitters and switches
This section contains step-by-step instructions on how to calibrate the UV reactor components
TT201-33 , TS201-60 and LS201-29 .
Calibration frequency: Every year.
1
Log in as Advanced operator or higher.
Depressurize and drain the reactor by
pressing the
Drain function button in the
control panel page 1.3 Reactor .
2
Temperature transmitter TT201–33 :
a) Dismount the transmitter and place in
water with known temperature (calibrated
measure instrument).
b) Compare value indicated in the control
system and measure equipment.
Reading Actual
variance
Allowed
variance
A TT201-33
value (C°)
A / C
Min: 0.95
Max: 1.05
C Calibration
device value (C°)
3
Temperature switch TS201-60 :
a) Dismount the switch and place in device
with slowly raising temperature starting at
appr 50 going to appr 70 C°.
b) Check that alarm A104 is displayed in the
control system at 65 ˚C.
4
Level switch LS201–29 :
a) Dismount the sensor and lace it in a glass
of water.
200000695-1-EN-GB 284
7 Service manual EN