vwr.com I Instruction manual VWR
®
ULT Freezer 352/528 Eco Premium 02/2022
Page 4/86
7.1
Preset factory parameters ................................................................................................................. 37
7.2
Behavior after turning on the chamber .............................................................................................. 37
8.
TEMPERATURE SET-POINT ENTRY ................................................................. 38
9.
PLACING SAMPLES IN STORAGE IN THE FREEZER ...................................... 39
10.
SETTING SPECIAL CONTROLLER FUNCTIONS .............................................. 40
11.
PASSWORD ......................................................................................................... 41
11.1
Password request ............................................................................................................................. 41
11.2
Assign and modify a password ......................................................................................................... 41
11.2.1
Assign and modify the User password .................................................................................... 42
11.2.2
Assign and modify the Admin password ................................................................................. 42
11.3
Performance during and after power failure and shut down ............................................................. 43
12.
SAFETY CONTROLLER (TEMPERATURE SAFETY DEVICE) .......................... 43
12.1
Setting the safety controller mode .................................................................................................... 44
12.2
Setting the safety controller value ..................................................................................................... 44
12.3
Message and measures in the state of alarm ................................................................................... 45
12.4
Function check .................................................................................................................................. 45
13.
GENERAL CONTROLLER SETTINGS ................................................................ 46
13.1
Selecting the controller’s menu language ......................................................................................... 46
13.2
Selecting the temperature unit .......................................................................................................... 46
13.3
Setting the current date ..................................................................................................................... 47
13.4
Setting the current time ..................................................................................................................... 48
13.5
Function “Language selection at restart” .......................................................................................... 48
13.6
Setting the chamber address ............................................................................................................ 49
13.7
Display brightness ............................................................................................................................. 49
14.
TOLERANCE RANGE AND ALARM DELAY SETTINGS ................................... 50
14.1
Setting the delay time for door open alarm ....................................................................................... 50
14.2
Setting the delay time for tolerance range alarm .............................................................................. 50
14.3
Setting the temperature tolerance range .......................................................................................... 51
15.
ALARM FUNCTIONS ........................................................................................... 51
15.1
Alarm messages ............................................................................................................................... 51
15.2
Information messages ....................................................................................................................... 53
15.3
Activating / deactivating the audible alarm (alarm buzzer) ............................................................... 53
15.4
Required actions in case of an alarm ................................................................................................ 54
15.4.1
Safety controller temperature alarm ........................................................................................ 54
15.4.2
Temperature tolerance range alarm (too high and too low temperature) ............................... 54
15.4.3
Door open alarm ...................................................................................................................... 55
15.4.4
Power failure alarm .................................................................................................................. 55
15.4.5
Messages referring to temperature sensor failure .................................................................. 56
15.5
Zero-voltage relay alarm output ........................................................................................................ 57
16.
ETHERNET NETWORK SETTINGS .................................................................... 58
16.1
Showing the network settings ........................................................................................................... 58
16.1.1
Showing the chamber’s MAC address .................................................................................... 58
16.1.2
Showing the IP address........................................................................................................... 58
16.1.3
Showing the subnet mask ....................................................................................................... 59
16.1.4
Showing the standard gateway ............................................................................................... 59
16.1.5
Showing the DNS server address ........................................................................................... 59
16.1.6
Showing the DNS chamber name ........................................................................................... 60
16.2
Changing the configuration of the network settings .......................................................................... 60
16.2.1
Selecting the type of IP address assignment (automatic / manual) ........................................ 60
16.2.2
Selecting the type of assignment of the DNS server address (automatic / manual) ............... 61
16.2.3
Assigning the IP address ......................................................................................................... 61
16.2.4
Setting the subnet mask .......................................................................................................... 62
16.2.5
Setting the standard gateway .................................................................................................. 62