S&A CWFL-2000, User Manual

CWFL-2000 Series

7

(4). RST key: confirm
(5). SET key: setting function

2. Restore to factory settings

Before machine startup, press and hold

keys until the controller

displays rE, 6 seconds later after releasing the keys, the controller works in
normal order. All parameters values settings of the controller have been
restored to factory settings.

3. Alarm function
(1) Alarm Display:

When alarm occurs, the error code and the temperature will be alternately
displayed.

E1

E2

E3

E4

E5

E6

Ultrahigh

room

temperature

Ultrahigh

water

temperature

Ultralow

water

temperature

Room

temperature

sensor failure

Water

temperature

sensor failure

External

alarm input

(2) To suspend the alarm:

In alarming state, the alarm sound could be suspended by pressing any button,
but the alarm display remains until the alarm condition is eliminated.

4. Temperature controller parameters list

Order

Code

Item

Range

T-506

Temperature

controller

Factory Setting

T-506H

Temperature

controller

Factory Setting

Note

1

F0

Temperature

setting

F9~F8

30

25

Constant

temperature

control effecting

2

F1

Temperature

Difference values

-15~+5

-2

-2

Intelligent control

effecting

3

F2

Cooling

hysteresis

0.1~3.0

0.3

0.3

4

F3

Way of control

0~1

1

0

1: intelligent

0: constant

temperature

5

F4

Alarm for ultrahigh

water temperature

1~20

20

10

6

F5

Alarm for ultralow

water temperature

1~20

20

15

7

F6

Alarm for ultrahigh

room temperature

40~50

45

45

8

F7

Password

00~99

8

8

9

F8

The allowed highest

water temperature

（

F9+1

）

~40

35

30

10

F9

The allowed lowest

water temperature

1 ~

（

F8-1

）

25

20