User manual
2920 1456 03 18
12 Modifying protection settings
Function
1. To modify protection settings:
- shut-down (<<Shd>>), for element outlet temperature
- shut-down warning (<<Shdw>>), for element outlet temperature
- warning (<<Warn>>), e.g. for cooling water outlet or dewpoint
- service warning (<<Serv>>), e.g. DP of oil separator (max. pressure drop)
2. To check some compressor conditions, e.g. the status of the fan motor overload contacts. The list
of parameters is shown in Fig. 4.1.
Note:
Some parameters cannot be modified.
Procedure
1. Starting from the Main screen (see section 4.2):
- press the key Menu (F1)
- press the ↓ key until the option Modify Params is followed by a horizontal arrow
- press the tabulator key (2) to activate the menu
2. Use the ↓ key to scroll until the option Protections is followed by a horizontal arrow.
3. Press the tabulator key (2): the first item (Delivery air) and its value will appear.
4. Use the ↓ key to scroll until the parameter to be modified is followed by a horizontal arrow.
Modifying settings for compressor element
1. Consult the section above to select the parameter Element outlet:
Element Outlet
C 94
→
Shd Max 120
Menu Mod
↓
F1 F2 F3
Fig. 12.1 Modify parameters menu
2. The screen shows that the current temperature is 94 °C and that the shut-down setting is 120 °C.
To modify this setting, press the key Mod (F2):