88226673-01-03 Technical Reference Manual - (Production Iss 03 November 2020).pdf - 第17页
Issue 03 November 2020 Preventative M ain tenance Condenser Fan/Coil To access the fan you will need to be removed 4 x retaining screws (FIG20) Check that the Condenser Core and fan are f ree from obstruction (FIG 21. FI…
Issue 03 November 2020
DISCONNECT – This defines the period between the Temperature Signal to the TM TCM
being removed or disconnected and the TCM entering a SHUTDOWN period. The
DISCONNECT period is adjustable between 0 – 9 minutes in 1 minute increments. The
default setting is 1 minute. The Amber beacon will flash rapidly during the DISCONNECT
period (FIG 18). If the Temperature Signal to the TCM is reinstated during the Disconnect
period, the TCM will continue to run and not enter a SHUTDOWN period.
SHUTDOWN – If on completion of the DISCONNECT period no Temperature Signal is
present, the TCM will cease operation and enter a SHUTDOWN period. The
SHUTDOWN period is adjustable between 0 – 9 minutes in 1 minute increments. The
default setting is 1 minute. The Amber beacon will flash slowly during the SHUTDOWN
period. If the Temperature Signal is reinstated during this period, the TCM will not
commence operation until the SHUTDOWN period is complete. The Amber beacon will
illuminate continuously on completion of the SHUTDOWN period with no Temperature
Signal present.
FIG 18
TEMPERATURE DISPLAY – The temperature display on the printer MMI should read
the same as the temperature displayed on the PID controller. If this is not the case VR1
can be adjusted so that both displays read the same. See FIG19
FIG19
Issue 03 November 2020
Preventative Maintenance
Condenser Fan/Coil
To access the fan you will need to be removed 4 x retaining screws (FIG20)
Check that the Condenser Core and fan are free from obstruction (FIG 21.
FIG 20 FIG21
WARNING
BEWARE OF MOVING PARTS. Allow time for fan rotation to
cease before removing lid.
WARNING
ELECTRICAL HAZARD. Ensure Isolator is in the OFF
position before removing lid.
Issue 03 November 2020
If it is thought likely the rear side of the condenser coil may be obstructed,
compressed air applied to the vanes may help improve TM TCM operating
performance (FIG 21).
FIG 21
Scheduled Maintenance
Scheduled Maintenance Task
Frequency
Date
Comments
Engineer
Check/Clean Condenser Fan intake is clear
Monthly
Check Condensate Collector for leaks and level
sensors are in place
Monthly
Check Condensate drainage path is clear
Monthly
Check condition of mains input lead
Monthly
Check/Clean Condenser Fan
Yearly
Check/Clean Evaporator Fan
Yearly
Check/Clean Condenser Coil
Yearly
Check/Clean Evaporator Coil
Yearly