Cleaning The Pump Strainer - Conair EARTHSMART ECM Series User Manual

NOTE: The front panel of the
chiller has been removed in
this image for clarity.
5 - 1 0 l M a i n t e n a n c e
C l e a n i n g t h e P u m p S t r a i n e r
EarthSmart Chillers use a rotary pump to flow process coolant through their internal
piping and to the process. A strainer on the pump may periodically need cleaning,
depending upon the quality of the process coolant.
WARNING: Electrical Hazard
Before performing any work on the chiller, disconnect and lock out electrical
power sources to prevent injury from unexpected energization or startup. Be
sure that power to the chiller is OFF when doing any maintenance on the
chiller. Follow all safety rules when performing any maintenance on this
equipment.
To clean the pump's strainer:
1
Be sure the main power is disconnected and/or the chiller is locked out. Always
disconnect/unplug and lockout the main power source before opening the unit for
servicing.
2
Drain all process coolant from the chiller,
Connection.
3
Remove the chiller's right-side panel. (As viewed from the control)
4
Locate the chiller's pump. It is located in the lower portion of the chiller' cabinet
and towards the front of the chiller.
Strainer end cap
5
Locate the pump strainer's end cap, remove the cap by unscrewing it counter-
clockwise with an appropriately-sized wrench.
see Installation section entitled, Drain
(continued)