| Date |
Hour |
ID |
Note |
| Wed 04/Apr/06 |
11:00 |
GG |
Weight 32.6 kg. All loops locked. |
| Thu 06/Apr/06 |
15:20 |
GG |
System in STAND/BY |
| Mon 10/Apr/06 |
14:40 |
SC |
System in recovering, open loop1 pression (0.630 b; 0.610 b). Weight 31.710 |
| 16:15 |
SC |
Loop1 locked, System in STAND/BY. Weight 32.060 |
| Tue 11/Apr/06 |
19:15 |
SC |
System Off, weight 31.68 |
| Fri 21/Apr/06 |
15:25 |
SC |
System Off, weight 32.45 |
| 15:31 |
SC |
System Run Mode and after open the loop2 |
| 16:40 |
SC |
System in Recovering,loop2 open, weight 27 Kg |
| Thu 27/Apr/06 |
15:30 |
GG |
PVSS interface not connected with the system. Network is OK but no answer from the system. PLC network module problem? |
| 18:00 |
GG |
System switched to XBT control. STANBY with all loops open. |
| Fri 28/Apr/06 |
12:22 |
GG |
System in RECOVERING. Loop 2 open, all the others closed. |
| 13:58 |
GG |
Loop 2 still open, the others locked. STANDBY. |
| Wed 03/May/06 |
15:49 |
GG |
Loop 1 locked at 0.55b, loop 2 open at 0.6b, al the others locked at ~0.4b. m=32.5kg. RUN. |
| 15:56 |
GG |
m=26.5kg. Compressor starts. |
| 16:21 |
GG |
m=26.7kg. |
| 16:44 |
GG |
m=26.2kg. |
| 16:50 |
GG |
m=26.0kg. |
| 17:24 |
GG |
m=24.9kg. No liquid in the compressor. RECOVERING. |
| 17:45 |
GG |
m= 28.3kg. RUN |
| 17:50 |
GG |
m=25.9kg. Compressor starts. |
| 18:11 |
GG |
m=25.1kg. No liquid in the compressor. |
| 18:44 |
GG |
m=24.6kg. No liquid in the compressor. RECOVERING. |
| Thu 04/May/06 |
13:40 |
GG |
System found in ALARM for weight variation. Reset. m=32.0 kg. RECOVER. |
| 15:43 |
GG |
Pressure 0.6b in all loops locked but loop 2. m=32.2kg. RUN. |
| 15:50 |
GG |
Compressor start. m=27.5kg. |
| 16:05 |
GG |
m= 27.2. HT of the sector problem: RECOVERING. Al loops open. |
| 16:36 |
GG |
Solved the network problem: IP address changed by NetOps. Changed the IP address in the PVSS interface (A. Tauro) and in the PLC (S. Berry). |
| 18:15 |
GG |
m=32.4kg. All loops locked at ~0.4b. |
| Fri 05/May/06 |
10:40 |
IAC |
m=31.610. Loop 3 only |
| 13:03 |
SC |
m=25.87 put in recovering. Loop 3 open |
| Mon 08/May/06 |
14:55 |
SC |
m=30.61, loop 3 open, system in run mode |
| 15:46 |
SC |
Loop 3 open, system in revovering |
| 15:58 |
SC |
m= 27.64, loop3 open, system in run mode |
| 16:20 |
SC |
m=25, Loop3 open, system in recovering |
| 17:07 |
GG |
m=22.5kg. No liquid in compressor. Recovering. Discovered serious detachment of the HSs on sector 1. Failure analysis on going. |
| Tue 09/May/06 |
09:51 |
GG |
m=30.0. |
| 17:27 |
GG |
System found in ALARM for weight variation. m=31.5. Reset. RECOVERING. |
| Wed 10/May/06 |
11:38 |
GG |
m=32.5kg. Loope 3 open, all the other locked. |
| 11:46 |
GG |
Temperature on the sector boxes and on the HSs is 21C (measured with quickTEMP, infrared thermometer). RUN. |
| 12:05 |
GG |
Temperature on the HSs is 17C. |
| 12:24 |
GG |
When powered, the normal HS reach 25C, the detached even more than 30C. |
| 13:22 |
GG |
m=24.0kg. RECOVERING. |
| 19:27 |
GG |
Other tests performed during the afternoon. SC reported that the system was in ALARM. Now is RECOVERING with all loops opened. |
| Thu 11/May/06 |
09:33 |
GG |
m=29.6kg. Locked all loops (at 0.4b) but 2 and 3. |
| 11:42 |
SC |
m=29.58 kg. Locked Loop2. system in Runmode |
| 13:17 |
SC |
m=22.5 kg. Loop 3 open, sysrem in recovering |
| 17:50 |
GG |
m=29.6kg. RUN |
| 17:59 |
GG |
m=27.2kg. Knee in the weight drops after 4 min. Stable temperature reached after 9 min. Return pressure rise up to 1.7b and decrease, with the compressor , again at 1.4b. When stable is at 1.55b. Temeprature test with IR camera and PT1000 measurements. |
| 18:48 |
GG |
m=24.0kg. RECOVERING. |
| Fri 12/May/06 |
10:54 |
GG |
m=29.6kg. Created a plots folder in D:\PVSS_Projects\SpdCooling_20060220\Plots . In steady state there is a stdev of 0.010kg. Limiting the data precision to 0.01? |
| 11:27 |
GG |
At 11:08 a slow increase of the weigth starts. Now is at 29.9kg. The compressor is still full throttling, the chiller is at 7.5°C, the loops are locked but loop 3. Pressure in the loops is 0.38b but loop 1 at 0.45b. |
| 11:34 |
GG |
m=29.9kg. RUN. |
| 12:01 |
SC |
m=26.54kg. recovering |
| 12:26 |
SC |
m=29.92kg. system in Rum mode |
| 12:41 |
SC |
m=26.58Kg. system in recovering |
| 15:26 |
GG |
m=30.1kg. STANDBY |
| Mon 15/May/06 |
16:45 |
GG |
System switched off by a general power cut. Chiller reset. System reset. RECOVERING with all loops open. |
AliceSPD Web>AliceSpdCooling>AliceSpdCoolingLogbook>AliceSpdCoolingApril06 (2006-05-15, unknown)
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