Edwards TCU 40/80 - Page 33

7.5 Temperature probe calibration
The Edwards Temperature Controller comes equipped with a factory calibrated internal +10V remote
input/output option making calibration unnecessary.
7.6 Preventive maintenance schedule
Table 10 shows the maintenance required to keep the TCU 40/80 in good working order. Failure to follow
this schedule may result in degradation of system performance.
Table 10 - Preventive maintenance schedule
Frequency
Semi
annual ly
Annually
Operation
Verify system status
Check coolant level
Check lamps
Coolant leak check
Refrigeration leak check
Insulation repair
Water leak check
Replace solenoid coils SV1 and SV2
System check
Lamp replacement
Hazard
(Type 3)
(Type 3)
(Type 3)
(Type 3)
(Type 3)
(Type 3)
(Type 3)
(Type 3)
Note: All maintenance should be recorded on the Preventative Maintenance Record label located on the
inside of the left-hand side access panel.
TCU 40/80 Temperature Control Unit
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