Emerson XEV22D Dokumentacja Pobierz pdf (Strona 15)

Keys and Functions Front Panel • 9

8 Front Panel

8.1. Keys and Functions

Table 8-1 shows the keys found on the front panel

of the XEV22D and their corresponding functions:

8.2. XEV22D LEDS

Each LED function is described in Table 8-2:

Figure 8-1 - XEV22D Front Panel

Key Function

To display and to modify the set point. In

programming mode, it selects a parame-

ter or confirms a value.

By pressing and releasing this key, it is

possible to see the values of the probes.

In programming mode, it slides the codes

of the parameters or increases their val-

ues.

In programming mode, it slides the codes

of parameters or decreases their values.

Key Combinations

Table 8-1- XEV22D Front Panel Keys and Functions

To lock and unlock the keyboard.

To enter programming mode.

LED Mode Function

ON Low pressure alarm

Maximum operating pres-

sure alarm

OFF Valve is completely closed

BLINKING Valve is moving

ON Valve is completely opened

BLINKING

Serial communication

present

OFF

Serial communication

absent

ON Superheat alarm

Table 8-2 - XEV22D LEDs

Key Function

Table 8-1- XEV22D Front Panel Keys and Functions

1 2 ... 10 11 12 13 14 15 16 17 18 19 20 ... 35 36

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Emerson XEV22D Dokumentacja Strona 15