Johnson Controls Frick ECH Installation Operation & Maintenance
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Johnson Controls Frick ECH Installation Operation & Maintenance

Johnson Controls Frick ECH Installation Operation & Maintenance

Evaporative condensers
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ECH/ECH-D Evaporative Condensers
THIS MANUAL CONTAINS RIGGING, ASSEMBLY, START-UP,
AND MAINTENANCE INSTRUCTIONS. READ THOROUGHLY
BEFORE BEGINNING INSTALLATION. FAILURE TO FOLLOW THESE
INSTRUCTIONS MAY RESULT IN PERSONAL INJURY OR DEATH,
DAMAGE TO THE UNIT, OR IMPROPER OPERATION.
Please check www.jci.com/frick for the latest version of this publication.
Form 140.910-IOM (DEC 2013)
INSTALLATION - OPERATION - MAINTENANCE
File:
SERVICE MANUAL - Section 140
Replaces:
140.910-IOM (NOV 2009)
Dist:
3, 3a, 3b, 3c

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  • Page 1 Form 140.910-IOM (DEC 2013) INSTALLATION - OPERATION - MAINTENANCE File: SERVICE MANUAL - Section 140 Replaces: 140.910-IOM (NOV 2009) Dist: 3, 3a, 3b, 3c ECH/ECH-D Evaporative Condensers THIS MANUAL CONTAINS RIGGING, ASSEMBLY, START-UP, AND MAINTENANCE INSTRUCTIONS. READ THOROUGHLY BEFORE BEGINNING INSTALLATION. FAILURE TO FOLLOW THESE INSTRUCTIONS MAY RESULT IN PERSONAL INJURY OR DEATH, DAMAGE TO THE UNIT, OR IMPROPER OPERATION.

  • Page 2: Table Of Contents

    140.910-IOM (DEC 13) ECH EVAPORATIVE CONDENSERS Page 2 INSTALLATION - OPERATION - MAINTENANCE CONTENTS INSTALLATION MAINTENANCE RIGGING AND ASSEMBLY INSTRUCTIONS COLD WATER BASIN ..........13 ECH/ECH-D EVAPORATIVE CONDENSERS ....4 Water Levels ..............13 Table 3: Cold Water Basin Water Levels ......13 Shipping ................
  • Page 3 ECH EVAPORATIVE CONDENSERS 140.910-IOM (DEC 13) Page 3 INSTALLATION - OPERATION - MAINTENANCE Axial Fan(s) Power Train Spray Water Distribution System Coil Connection: ECH Refrigerant In Fill with Integral Drift Eliminators Coil Connection: ECH Refrigerant Out Access Door Air Inlet Louvers Bleed Line and Valve Cold Water Basin Recirculating...

  • Page 4: Installation

    140.910-IOM (DEC 13) ECH EVAPORATIVE CONDENSERS Page 4 INSTALLATION INSTALLATION RIGGING AND ASSEMBLY INSTRUCTIONS WARNING ECH/ECH-D EVAPORATIVE CONDENSERS Before an actual lift is undertaken, ensure that no water, Thoroughly review the rigging and assembly instruc- snow, ice or debris has collected in the basin or elsewhere tions in this bulletin with all personnel prior to an actual in the unit.

  • Page 5: Rigging

    ECH EVAPORATIVE CONDENSERS 140.910-IOM (DEC 13) Page 5 INSTALLATION Rigging Table 1 Refer to Table 1 and Figures 1, 2 and 3 for each section’s re- Model Number Section H quired minimum spreader bar length (W1) and recommended Upper 14’ 8’...

  • Page 6: Section Assembly Of Four-Piece Cells (Ech-D Models)

    140.910-IOM (DEC 13) ECH EVAPORATIVE CONDENSERS Page 6 INSTALLATION Section Assembly of Four-Piece Cells cell installations, remove tie down plates from plenum and coil sections prior to setting sections. Using drift pins in the bolt (ECH-D models) holes provided, guide the plenum section onto the lower section. To assemble four-piece cells, first, position the lower section on Secure plenum section to lower section utilizing the typical bolt- the unit supports and bolt in place.

  • Page 7: Section Assembly Of Four-Piece Cells (Cont'd)

    Section Assembly of Two-Piece Cells Johnson Controls. Any applicable reference drawings are in- To assemble a two-piece cell, position the lower section on the cluded with the unit in the envelope attached to the side of the unit supports and bolt in place.

  • Page 8: Operation

    140.910-IOM (DEC 13) ECH EVAPORATIVE CONDENSERS Page 8 OPERATION OPERATION drive will be properly tensioned at the factory prior to WARNING shipment. • Start the fan motor(s) and check for proper fan rotation. Do not perform any service on or near the fans, motors, The fan should rotate in the direction of the arrow drives, or inside the unit without first ensuring that the fans indicated on the fan cowl.

  • Page 9: Extended Shutdown

    ECH EVAPORATIVE CONDENSERS 140.910-IOM (DEC 13) Page 9 OPERATION • • Set the makeup valve float so the water shuts off at the Leave the cold water basin drain open so rain and melting overflow level. snow will drain from the unit. •...

  • Page 10: Coil Freeze Protection

    140.910-IOM (DEC 13) ECH EVAPORATIVE CONDENSERS Page 10 OPERATION across all cells. During prolonged periods, bypass the idle units • Further protection against coil freeze-up is possible with and drain the basins. the installation of an alarm to alert personnel when the temperature of fluid leaving the coil falls below 50°F (10°C).

  • Page 11: Corrosion Protection

    ECH EVAPORATIVE CONDENSERS 140.910-IOM (DEC 13) Page 11 OPERATION CORROSION PROTECTION • Keep the chemically treated water within the guidelines given in Table 2. In cases where bleed/blowdown alone is Frick products are constructed of corrosion-resistant materi- being employed for corrosion and scale control, without als.

  • Page 12: Biological Control

    140.910-IOM (DEC 13) ECH EVAPORATIVE CONDENSERS Page 12 OPERATION • 2. To resume operation of a drained system and at initial If white deposits form on galvanized steel surfaces after the pH is returned to normal service levels, it may be start-up, clean all debris from the cold water basin and fill the system with fresh water.

  • Page 13: Cold Water Basin

    ECH EVAPORATIVE CONDENSERS 140.910-IOM (DEC 13) Page 13 MAINTENANCE MAINTENANCE COLD WATER BASIN Inspection and Maintenance • If the unit is already in operation, while the fan is running, The fluid to be cooled is circulated inside the tubes of the unit’s check for any unusual noise or vibration.

  • Page 14: Inspection And Maintenance

    140.910-IOM (DEC 13) ECH EVAPORATIVE CONDENSERS Page 14 MAINTENANCE • Belt tension check: 1. Place a straight edge along the belt from sheave to sheave as shown in Figure 12a, or use a tape measure as shown in Figure 12b, to measure belt deflection. 2.

  • Page 15: Gear Drive System (Optional For Dual Air Inlet Ech-D Only)

    ECH EVAPORATIVE CONDENSERS 140.910-IOM (DEC 13) Page 15 MAINTENANCE lubricant (Table 6). Refer to Figure 6 for locations of these components. Inspection and Maintenance: • Maintain the oil level at or near the middle of the oil level sight glass. The oil level should always be visible in the sight glass window when the unit is not operating/ energized, and the oil is at ambient temperature.

  • Page 16: Lubrication

    140.910-IOM (DEC 13) ECH EVAPORATIVE CONDENSERS Page 16 MAINTENANCE 2. Start the fan and let it run for approximately 5 minutes. Table 5: Recommended Synthetic Lubricants This will coat the internal parts of the gear drive with Ambient Temperature at Gear Drive: 20°F to 150°F (-29°C to 66°C) cool oil.

  • Page 17: Adjustable Motor Base

    ECH EVAPORATIVE CONDENSERS 140.910-IOM (DEC 13) Page 17 MAINTENANCE Adjustable Motor Base • The inspection procedure is as follows: 1. Shut off the fan and the spray pump. Coat the motor base slides and adjusting screws (see Figure 10 in the Operation section) every 3 months using good quality 2.

  • Page 18: Mechanical Makeup Valve Assembly

    • Maintain the makeup water supply pressure between 15 psig and 50 psig for proper operation. Johnson Controls Weld Byproduct Cleaning recommends a surge protector (provided by others) for The installation and manufacturing processes commonly used for pressures over 50 psig.
  • Page 19 ECH EVAPORATIVE CONDENSERS 140.910-IOM (DEC 13) Page 19 MAINTENANCE • 3. Evaporation Rate = Q (GPM) x R x .001 (as shown in the In order to optimize heat transfer efficiency and maximize equipment life “bleed” or “blowdown” a small amount example).
  • Page 20 140.910-IOM (DEC 13) ECH EVAPORATIVE CONDENSERS Page 20 MAINTENANCE Table 8: Recommended Maintenance Services Type Service Start-Up Monthly Quarterly Annually Shutdown Inspect and clean as necessary: Inspect general condition of the unit and check unit for unusual noise or vibration Inspect cold water basin/Spray nozzles Drain basin and piping Inspect air inlet louvers...

  • Page 21: Recommended Spare Parts

    ECH EVAPORATIVE CONDENSERS 140.910-IOM (DEC 13) Page 21 MAINTENANCE RECOMMENDED SPARE PARTS Frick parts are the “Perfect Fit” for your condenser. These parts are specifically designed, engineered and manufactured to work in a condenser environment. They are the right parts, at competitive pricing levels, and Frick offers the best deliveries in the industry.
  • Page 22 140.910-IOM (DEC 13) ECH EVAPORATIVE CONDENSERS Page 22 NOTES...
  • Page 23 ECH EVAPORATIVE CONDENSERS 140.910-IOM (DEC 13) Page 23 NOTES...
  • Page 24 Form 140.910-IOM (2013-12) JOhNSON CONTROLS Supersedes: 140.910-IOM (2009-11) 100 CV Avenue Subject to change without notice Waynesboro, PA 17268-1206 USA Published in USA • GUI 1M Phone: 717-762-2121 • FAX: 717-762-8624 www.jci.com/frick © 2013 Johnson Controls Inc. - ALL RIGHTS RESERVED...

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Frick ech-d

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