EVAPCO AT 110-112, Инструкция по эксплуатации и обслуживанию

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MAINTENANCE
CHECKLIST
(optional accessories)
PROCEDURE JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC
1. Coupling/Shaft – Inspect flex elements and
hardware for tightness, proper torque & crack/
deterioration – monthly
2. Heater Controller – Inspect controller and clean
probe ends – quarterly
3. Heater – Inspect junction box for loose wiring
and moisture – one month after start-up and
semi-annually
4. Heater – Inspect elements for scale build-up –
quarterly
5. Electronic Water Level Controller – Inspect
junction box for loose wiring and moisture –
semi-annually
6. Electronic Water Level Controller – Clean probe
ends of scale build-up – quarterly
7. Electronic Water Level Controller – Clean inside
the standpipe – annually
8. Solenoid Make-up Valve – Inspect and clean
valve of debris – as needed
9. Vibration Switch (mechanical) – Inspect
enclosure for loose wiring and moisture – one
month after start-up and monthly
10. Vibration Switch – Adjust the sensitivity – during
start-up and annually
11. Sump Sweeper Piping – Inspect and clean
piping of debris – semi-annually
DURING IDLE PERIODS:
1. Two or More Days: Energize motor space
heaters – or run motors for 10 minutes twice daily
2. One Month or longer: Rotate motor shaft/fan
10 turns – bi-weekly
3. One Month or longer: Megger test motor
windings – semi-annually
Seasonal Shut-Down Checklist
When the system is to be shut down for an extended period of time, the following services should be performed.
1. The evaporative cooling unit cold water basin should be drained.
2. The cold water basin should be flushed and cleaned with the suction strainer screens in place.
3. The suction strainer screens should be cleaned and re-installed.
4. The cold water basin drain should be left open.
5. The fan shaft bearings and motor base adjusting screws should be lubricated. This should also be
performed if the unit is going to sit idle prior to start up.
6. The water make up valve needs to be closed. All water make-up piping needs to be drained, if not heat
traced and insulated.
7. The finish of the unit should be inspected. Clean and refinish as required.
8. The fan bearings and motor bearings need to be turned at least once a month by hand. This can be
accomplished by making sure the unit’s disconnect is locked and tagged out, and grasping the fan
assembly, rotating it several turns.
9. Energize motor space heaters.