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5-2 l Maintenance
Preventative Maintenance Schedule
Daily, or as often as needed
❒
Checking process fluid level in the pump tank
Check the process fluid level in the water level gauge on the back of the
chiller. If low, see Maintenance section entitled, Checking the Reservoir
Level.
❒
Verifying pump discharge pressure
While the pump is running, check to ensure that the pump pressure gauge
(located on the front of the chiller) is within range. To change the pressure,
open or close the “To Process” valve (factory optional).
❒
Inspecting piping for leaks
Check to see that pipes are not leaking. Look for standing water on the floor
or inside the chiller cabinet.
❒
Inspecting the condenser coil for debris
Check the condenser for adequate air flow. Check the condenser face for
dirt and clogging. If dirt or clogs are present, clean the condenser, see
Maintenance section entitled, Cleaning the Air-cooled Condenser. Check,
clean, and/or replace the filter at the air inlet of the air-cooled condenser coil,
as needed.
Weekly, or as often as needed
❒
Checking temperature and pressure readings
Check that the temperature displays on the control screen and the reading on
the pressure gauge (located on the front of the chiller) indicates normal
operation. See Description section entitled, Pump Curve: EarthSmart ECM
Series Chillers.
❒
Inspecting the filter
Check, clean and/or replace the filter at the air inlet of the air-cooled con-
denser coil, as needed. see Maintenance section entitled, Cleaning the Air-
cooled Condenser.
❒
Checking refrigerant site glass
There should not be any bubbles. See Maintenance section entitled,
Checking the Refrigerant Charge and Quality.
❒
Checking reservoir level
Check the water level gauge on the back of the chiller. If fluid level is low,
fill, see Maintenance section entitled, Checking Reservoir Level.
(continued)