Date |
Hour |
ID |
Note |
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. |
18:16 |
GG |
m=32.3kg. All loops locked but loops 2 and 3 at pressure of ~ 0.37b. |
Tue 16/May/06 |
|
RT AP |
Installation of sector 2 on loop 4. |
Wed 17/May/06 |
Morning |
RT GG AP |
System ALARM. Loops evacuated. During evacuation of loop #4 probable air pollution due to ventilation with open vapours valves. |
Afternoon |
RT AP |
Leak test on loop 4. |
15:30 |
RT AP |
Loop 2,3 and 4 open, the other locked. Freon flowing test on sector #2 with IR camera: OK. Interlock test with reading of PT1000 on sector #1. |
19:17 |
GG RT |
m=16.6kg. No liquid in the compressor. Loop 2 and 4 closed. |
19:33 |
GG RT |
STANDBY. Closed also loop 3. |
Tue 30/May/06 |
10:25 |
GG |
Recovered from ALARM. Opened all the loops. m=29.8kg. Pressure in all loops 1.5ba. Locked all loop but loop 3. Always in STANDBY. |
10:33 |
GG |
RUN |
11:15 |
GG |
m=24.8kg. Loops 9 and 10 at 2ba: still liquid in that loops? The others at 1.5ba. Loops 9 and 10 closed. |
11:40 |
GG |
m=24.0kg. |
13:12 |
GG |
STANDBY, all loops open. m=21.5kg. |
14:16 |
GG |
m=25.9kg. All loops closed but loop 3. |
14:57 |
GG |
m=27.0kg. RUN |
16:09 |
GG |
m=21.2kg. STANDBY, all loops open. |
16:22 |
GG |
m=23.4kg. Closed all loop but 2. RUN |
17:05 |
GG |
m=20.6kg. STANDBY. |
17:35 |
GG |
m=23.9kg. Closed all loop but 2. RUN |
18:49 |
GG |
m=19kg. No liquid in the compressor yet. The top pressure in the vapuor manifold is 1.70ba, at the bottom is 1.88ba: difference given by the liquid column. |
18:59 |
GG |
m=18.9kg. STANDBY. All loops open. |