Carbolite 3508 User Manual download pdf (Page 6)

Basic Operation

6 MC19-1.20

3 Quick Start Guide

3.1 Operation as a simple controller

When switched on the controller goes through a short test routine and then shows the

measured temperature. Below it is shown the setpoint temperature (SP) and percentage of

power output.

3.2 Changing the Setpoint

Press up  down  to select the required SP. If the SP is higher than the measured

temperature, the OP1 indicator will illuminate at the top of the display, indicating that the

controller is calling for power (giving an output).

The controller will immediately attempt to reach the set temperature and maintain it.

3.3 Resetting the programmer

To reset the programmer to simple controller mode, press RUN/HOLD for 2 seconds.

3.4 Operating the current program

 To avoid unwanted heating at the end of a program, set the SP temperature to zero

before running a program.

 Ensure the programmer is reset to simple controller mode before starting a program,

by pressing RUN/HOLD for 2 seconds.

 To start the program, press RUN/HOLD twice, RUN will light up on the display.

The displayed Program Setpoint (PSP) follows ramps, dwells and steps as the program

runs. The SP temperature of the controller does not apply when a program is running.

 To pause the program, press RUN/HOLD.

 To stop the program and return to simple controlling (reset), press RUN/HOLD for 2

seconds.

When the program ends, the programmer will either:

 Automatically reset to operation as a simple controller.

 Dwell at the last temperature of the program (with the RUN indicator flashing), until

the operator presses RUN/HOLD for 2 seconds to manually reset, or presses

RUN/HOLD once to restart the program.

 Turn power to the elements down to zero.

3.5 Understanding User Levels

There are two levels in the controller; Level 1(Operator) and Level 2 (Supervisor).

Level 1 (Operator) is for the day-to-day operation of the controller and parameters are not

protected by a security code. There are 3 pages at this level. Page 1, Customer Identity,

can only be altered in level 2. Page 2 shows the current program status. Page 3 is for

writing and viewing programs.

Level 2 (Supervisor) provides access to additional parameters and access to these is

protected by a security code. A further 4 pages are accessible in this level as follows;

Customer identity, Control Output Hi percentage, Units.

To Enter Level 2:

1. Press and hold page  for 3 seconds. The display will show “Access Goto Level 1”

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Carbolite 3508 User Manual Page 6