CV_Geardrive
26-09-2014, 12:01 PM
Hi all,
I have a WESPER chiller SLS 1902 R407C LN with serial number 2764916351.
The chiller is remotely controlled (ON-OFF) by a BMS contact.
The problem is that, while stopped by remote, it generates “lack of flow alarm”.
The sequence is as follows:
BMS starts water pump at 08:50.
BMS starts chiller at 09:00.
BMS stops chiller at 16:00.
BMS stops water pump at 16:15.
Chiller initiates “lack of flow” alarm at some point between 03:00 and 04:00.
In the morning, maintenance personnel reset the chiller and chiller start and run normally from 09:00 to 16:00.
Clock is disabled.
The BMS ON-OFF contact does not close (Start signal) other hours than 09:00 to 16:00.
Any ideas are welcome.
The unit has a PCO2 carel. Application type is: CWFLICIECH0A Ver. 1.916 25/11/2005
If someone has it (BOOT, BIOS and APPLICATION) and can send it will be very helpful.
Thank you,
CV
I have a WESPER chiller SLS 1902 R407C LN with serial number 2764916351.
The chiller is remotely controlled (ON-OFF) by a BMS contact.
The problem is that, while stopped by remote, it generates “lack of flow alarm”.
The sequence is as follows:
BMS starts water pump at 08:50.
BMS starts chiller at 09:00.
BMS stops chiller at 16:00.
BMS stops water pump at 16:15.
Chiller initiates “lack of flow” alarm at some point between 03:00 and 04:00.
In the morning, maintenance personnel reset the chiller and chiller start and run normally from 09:00 to 16:00.
Clock is disabled.
The BMS ON-OFF contact does not close (Start signal) other hours than 09:00 to 16:00.
Any ideas are welcome.
The unit has a PCO2 carel. Application type is: CWFLICIECH0A Ver. 1.916 25/11/2005
If someone has it (BOOT, BIOS and APPLICATION) and can send it will be very helpful.
Thank you,
CV