ABB Totalflow microFLO G4 Startup Manual page 5

Step 3 Installing and Wiring the RTD
RTD kits are available through ABB Totalflow. If the user orders the RTD
but provides their own thermowell, the U-length must be provided.
Various sizes of thermowells are available from ABB Totalflow, but the
U-length or insertion depth is required.
The following procedure assumes an ABB Totalflow kit was provided.
Note: Electrical wiring must be installed according to requirements for
the area classification. For further information, refer to the
certification drawing indicated on the device's name tag and
national and local codes.
Note: Power should be removed from the µFLO
any field wiring.
3A Install the thermowell into the meter run. Using the appropriate
equipment, adjust the probe length until it is spring loaded
against the bottom of the thermowell. Screw the probe
connector into the thermowell.
Note: It should be noted that the wiring for the µFLO
from the prior generation three (G3) line of ABB devices.
3B Remove the nut from the cord connector. Leave the sealing
ring in place. On the µFLO
unit, and insert the wires into the unit. Allow enough RTD cable
to extend into the µFLO
termination block.
3C On the RTD probe wire, remove the spade lugs, and trim the
wire ends back ¼". Remove the associated terminal block from
the µFLO
wire and then retighten.
G4
G4
board (J3). Loosen the securing screws, insert the
G4
, remove the hole plug from the
for connecting the wires to the RTD
G4
before performing
G4
RTD differs
3