Thermo Scientific ThermoFlex10000, Installation, Operation And Maintenance Manual

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ThermoFlex 5-1
Thermo Scientific
Auto Refill
The auto refill fluid must also meet water quality standards or the valve may
fail to operate as designed, see Section 3.
The auto refill valve input pressure must be < 80 PSI to ensure the valve
functions properly.
The auto refill operates when all of the following conditions are met:
• Fluid is available
• The chiller is turned on
• The fluid reaches a low level condition.
The auto refill shuts off when:
• The fluid reaches the correct operating level.
• The delay timer exceeds user fill time entered in the Setup Loop, see
Section 4. If FLt is selected in the Setup Loop the chiller also shuts
down. (If indC is selected the chiller continues to run.) In either case
the controller will display rEFIL .
• The chiller shuts down for any reason.
Setting the fill time to 0 disables auto refill. If a low level condition occurs
the chiller will:
• If
Indc
is selected, continue to run and the controller displays
Add
.
• If FLt is selected, shut down and the controller displays LLF .
Figure 5-1 Auto Refill Fitting
Section 5
Options/Accessories
The Auto Refill provides makeup fluid to replace any fluid lost to evaporation,
etc. It requires a pressurized fluid source connection to the ¼" Female Pipe
Thread fitting on the rear of the chiller. (If Teflon
®
tape is used, ensure the
tape does not cover the connection's starting-end thread.)
Note
ThermoFlex7500 through 24000s with a P3 or P5 or ThermoFlex7500s
and 10000s with a T5 pump have a ¼" Male brass plug installed in the
connection, remove the plug before connecting the makeup fluid.
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