Maintenance
36
4-3
H
OW TO REPLACE THE
UV
L
AMP INSIDE THE
E
LIX
S
YSTEM
A message, EXCH. UV LAMP IN XX DAYS, will be shown when it is near the recommended time to exchange the UV Lamp. The
message is shown 14 days prior to the recommended replacement date. The LCD would show EXCH. UV LAMP IN 14 DAYS.
It is highly recommended to have a Millipore SAS Field Service Representative change the UV Lamp. The replacement of the UV
Lamp involves removing the cover of the Elix System. The instructions for replacing the UV Lamp are not included in this manual.
The instructions are included with the replacement UV Lamp.
Contact Millipore SAS for a copy of these instructions if you would like to see them before ordering a replacement UV Lamp.
If the UV LAMP is not replaced on the recommended replacement date, then a message, UV LAMP EXCH. OVERDUE: XX DAYS, is
shown.
If the UV Lamp is replaced, then these messages will not be shown anymore.
4-4
H
OW TO CHECK AND ADJUST THE PUMP PRESSURE
The pump pressure is normally adjusted if the water temperature changes significantly.
The pump pressure used at different temperatures is shown below.
Water temperature
≥
25
°
C
Operate at 7 bar pump pressure.
Water temperature
<
25
°
C
Operate at 10 bar pump pressure
.
(up to 12 bar with cold feedwater).
It is recommended to have a Millipore SAS Field Service Representative adjust the pump pressure. The adjustment of the pump
pressure involves removing the cover of the Elix System. The instructions for adjusting the pump pressure are not included in this
manual.
Contact Millipore SAS for a copy of these instructions if you would like to see them.