Flowserve TRG 5-6x - Manual (Page 17)

17
Operation
TRG 5-63, TRG 5-64, TRG 5-65, TRG 5-66, TRG 5-67 and TRG 5-68
Operation in conjunction with temperature transmitter TRV 5-40 in (pressurised) hot water installations and
steam plants according to TRD and EN 12952 as well as EN 12953.
■ To analyse and eliminate malfunctions see section "System Malfunctions" in the instal-
lation manual of the TRV 5-40.
Malfunctions
Fault finding list for trouble shootin g
Switchpoint "MAX temperature" not yet exceeded - but a MAX temperature alarm is raised
Fault: The temperature sensor is defective.
Remedy: Check whether the temperature sensor (Pt 100) gives correct readings. (Basic values of the
precision resistors according to DIN 43760 for Pt 100). In case of incorrect readings replace
the measuring element of the temperature sensor.
If faults occur that are not listed above or cannot be corrected, please contact our service centre or
authorized agency in your country.
Note