Specifications

Table Of Contents

UGH015/0100 Thermolator TW-1 and TW-2

OPERATION 4-5

TW-1 and TW-2 Thermolators have a security feature that pre-

vents accidental or unauthorized changes to the setpoint tem-

perature, high and low deviation limits, SPI address, and baud

rate.

If passcode protection is enabled, you must enter the correct

passcode to change these parameters. To enter the passcode:

Press and hold the Setpoint Select button

for 5 seconds.

The control will display 1 PaS to indi-

cate a passcode is needed.

Press the Select ▲ button until the correct

passcode appears in the display.

Press again to enter the passcode.

If the passcode is correct, the control displays ACC PAS

for 3 seconds. If the passcode is incorrect, the control dis-

plays rEJ PAS (rejected passcode).

Press Setpoint to select the parameter you

want to change.

You will have access to the system parameters until:

● The power is cycled off and on.

● The RUN or STOP button is pressed.

● No key has been pressed for 30 seconds.

NOTE: Pressing the STOP or RUN key while you are

entering a passcode will abort the passcode entry

sequence

ENTERING A

ASSCODE