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18

Operation and Maintenance Instructions

OPTIONAL ACCESSORIES

JAN FEB MAR APR MAY  JUN JUL AUG SEP OCT NOV DEC

1.  Gear Reducer – Check oil level with unit stopped -  

24 hours 

after start-up & monthly

2.  Gear Reducer/Piping – Do visual inspection for oil leaks, audi-

tory inspection for unusual noises and vibrations - 

monthly

3.  Gear Reducer – Replace oil - 

semi-annually

4.  Oil Pump – Do visual inspection for leaks and proper wiring - 

monthly

5.  Gear Reducer/Coupling – Check alignment of the system - 

24 hours after start-up & monthly

6. 

Coupling/Shaft – Inspect flex elements and hardware for tight

-

ness, proper torque & crack/deterioration - 

monthly

7.  Heater Controller – Inspect controller and clean probe ends - 

quarterly

8.  Heater – Inspect junction box for loose wiring and moisture – 

one month after start-up and semi-annually

9.  Heater – Inspect elements for scale build-up – 

quarterly

10. Electronic Water Level Controller – Inspect junction box for 

loose wiring and moisture –  

semi-annually

11. Electronic Water Level Controller – Clean probe ends of scale 

build-up – 

quarterly

12. Electronic Water Level Controller – Clean inside the standpipe 

– 

annually

13. Solenoid Make-up Valve – Inspect and clean valve of debris – 

as needed

14. Vibration Switch (mechanical) – Inspect enclosure for loose 

wiring and moisture – 

one month after start-up and monthly

15. Vibration Switch – Adjust the sensitivity - 

during start-up and 

annually

16. Sump Sweeper Piping – Inspect and clean piping of debris – 

semi-annually

17. Clean Dry Coil(s) – 

semi-annually

18. Water Level Indicator – Inspect and clean - 

annually

19. SUN Solar Panels – Inspect for damage and clean with hose 

and soft brush - 

semiannually

DURING IDLE PERIODS

1. 

Two or more days

: energize motor space heaters or run mo-

tor for 10 min twice daily

2. 

Few Weeks

: Run gear reducer for 5 minutes - 

weekly

3. 

Several Weeks

: Completely fill gear reducer with oil. Drain to 

normal level prior to running. - 

once

4.  One Month or longer: Rotate motor shaft/fan 10 turns - 

monthly

5.  One Month or longer: Megger test motor windings - 

semi-annually

*  See maintenance manual for start-up instructions and lubrication recommendations.
** Cooling Towers must be cleaned on a regular basis to prevent the growth of bacteria including Legionella Pneumophila.

Summary of Contents for ATC-E

Page 1: ...Box 1300 Westminster Maryland 21158 USA Phone 410 756 2600 Fax 410 756 6450 EVAPCO Europe bvba Heersterveldweg 19 Industrieterrein Oost 3700 Tongeren Belgium Phone 32 12 395029 Fax 32 12 238527 evapc...

Page 2: ...A lock out tag out procedure integrated with the Process Control System must be foreseen by the customer A lockable disconnect switch should be located within sight of the unit for each fan motor ass...

Page 3: ...could potentially cause damage to plastic components Label on the coil section s WARNING Do not operate the pressure vessel at service conditions outside of the PED nameplate located at the coil conne...

Page 4: ...d minimum speeds and for recommendations on locking out resonance frequencies 5 Verify that a water treatment plan has been implemented including passivation of galvanized steel units See Water Treatm...

Page 5: ...e fully opened before the pumps turn on If the system temperature continues to rise the unit fan is cycled on For a variable speed controller the fans are turned on to minimum speed See the Fan System...

Page 6: ...38 C Regal R O 220 DTE Oil BB Teresstic 220 All bearings used on EVAPCO equipment are factory adjusted and self aligning Do not disturb bearing alignment by tightening the sleeve bearing caps Fan Bel...

Page 7: ...if operating below 25 is possible NOTE Pump Motors VFD s should not be used on pump motors The pumps are designed to be operated at full speed and are not intended to be used as capacity control The t...

Page 8: ...to minimum speed Should vibration inducing frequencies exist the run up and run down test will isolate the resonant frequencies which then must then be locked out in the VFD programming Two Speed Moto...

Page 9: ...e is a bronze valve connected to a float arm assembly and is activated by a large foam filled plastic float The float is mounted on an all thread rod held in place by wing nuts The water level in the...

Page 10: ...p When Supplied The pump and pump motor should be lubricated and serviced in accordance with the pump manufacturer s instructions The recirculation pump should not be used as a means of capacity contr...

Page 11: ...f operation During this passivation period recirculating water pH should be maintained above 7 0 and below 8 0 at all times Since elevated temperatures have a harmful effect on the passivation process...

Page 12: ...oling equipment can be considered as long as the resultant recirculating water chemistry conforms to the parameters noted in Table 3 It should be noted that using water reclaimed from other processes...

Page 13: ...10 x24 20 x12 10 x18 10 x36 20 x18 12 x12 12 x14 12 x18 12 x24 12x28 12 x36 24 x12 24 x14 24 x18 24 x24 24 x28 24 x36 12 x20 12 x40 24 x20 24 x40 2 0 2 0 2 0 2 0 3 0 4 0 2 5 2 5 3 7 5 7 3 5 2 5 3 0 2...

Page 14: ...ith a remote sump is an excellent way of reducing unit capacity at low temperatures Other methods of capacity control include two speed motors VFDs and fan cycling These can be used individually or in...

Page 15: ...ser during the winter is to run the unit DRY In dry operation the recirculation pump is turned off the basin drained and air passes over the coil Instead of using evaporative cooling to cool the proce...

Page 16: ...ethod of managing the amount of ice buildup is by cycling the fan motors off while keeping the pump on During these periods of idle fan operation the warm water that is absorbing the building load flo...

Page 17: ...crape and coat with ZRC annually 10 Lubricate fan shaft bearings every 1000 hours of opera tion or every three months 11 Lubricate fan motor bearings see mfg s instructions Typi cally for non sealed b...

Page 18: ...robe ends of scale build up quarterly 12 Electronic Water Level Controller Clean inside the standpipe annually 13 Solenoid Make up Valve Inspect and clean valve of debris as needed 14 Vibration Switch...

Page 19: ...ned at least once a month by hand This can be accomplished by making sure the unit s disconnect is tagged and locked out and grasping the fan assembly rotating it several turns 9 Energize fan motor sp...

Page 20: ...2013 EVAPCO Europe Bulletin 116R E Metric 0322 Operation and Maintenance Instructions...

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