Emerson XEV22D Specifications download pdf (Page 11)

Keys and Functions Front Panel • 5

6 Front Panel

6.1. Keys and Functions

Table 6-1 shows the keys found on the front panel

of the XEV22D and their corresponding functions:

6.2. XEV22D LEDS

Each LED function is described in Table 6-2:

Figure 6-1 - XEV22D Front Panel

Key Function

To display and to modify the set point. In

programming mode, it selects a parameter

or confirms a value.

Table 6-1- XEV22D Front Panel Keys and Functions

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 values.

In programming mode, it slides the codes

of parameters or decreases their values.

Key Combinations

To lock and unlock the keyboard.

To enter programming mode.

LED Mode Function

ON Low pressure alarm

ON

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 6-2 - XEV22D LEDs

Table 6-1- XEV22D Front Panel Keys and Functions

1 2 ... 6 7 8 9 10 11 12 13 14 15 16 ... 29 30

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