Related Manuals for EVAPCO EAFWD
Summary of Contents for EVAPCO EAFWD
- Page 1 LIFE Operation and Maintenance Instructions For EVAPCO Air Cooled, Adiabatic and Spray Fluid Coolers and Condensers Member of International Institute of Ammonia Refrigeration www.iiar.org...
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Page 2: Table Of Contents
20 Water Quality Guidelines (Adiabatic Pad Systems & Adiabatic Spray Systems) Structural Steel Support 21 Maintenance Checklist Rigging 22 Fan System Horizontally Mounted Flat Products (EAFWD/EAFCD) Forklift Lift 22 Cold Weather Operation Crane Lift Unit Layout Required Lifting Requirements – Flat EC Fan Models Freeze Protection Required Lifting Requirements –... -
Page 3: Introduction
Introduction Congratulations on the purchase of your EVAPCO air cooled unit. EVAPCO equipment is constructed of the highest quality materials and designed to provide years of reliable service when properly maintained. Thoroughly clean road salt, dirt and debris from unit immediately after delivery. Residue left on product surfaces can cause damage that is not covered by any warranty. -
Page 4: Terminology
Terminology Throughout this manual, the terms “Flat” and “V Coil” are used. Below is a list of EVAPCO eco-Air Dry Fluid Cooler and Air Cooled Condenser product offerings and associated terminology. eco-Air Series equipment includes the following product models: < Flat Air Cooled <... -
Page 5: Rigging
Flat coil units are typically shipped with legs attached. However there could be instances when flat coil units are strapped to a wooden pallet or enclosed in an open slatted or fully enclosed crate. To avoid handling damage, EVAPCO recommends that the product is off- loaded from the vehicle while still attached to its pallet or in its crate if provided. -
Page 6: Forklift Lift
Ensure that the forklift truck is large enough to handle the size and weight of the product required to be off-loaded. Unit weights can be found on the unit certified drawing. Units with a length less than 27 feet are provided with standard EVAPCO steel forklift channels positioned under the unit. - Page 7 Figure 6 – Rigging Beam Height Requirements Unit Width Minimum Height (H) Dimension (ft.) 5’ (1.8m) 7’ (2.2m) 8’ (2.4m) Table 2 – Minimum “H” Dimensions Carefully and securely attach chains to unit lifting ears based on the below information. Lifting ears are provided on the top of the fan sections for lifting the unit into final position.
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Page 8: Required Lifting Requirements - Flat Ec Fan Models
Required Lifting Requirements – Flat EC Fan Models Units with EC Fans will have either a K (6’ 4” [1950mm]), or I (7’ 8” [2340mm]) incremental fin length designator. Below are the K unit lifting requirements. The arrows shown on the unit drawings below indicate (2) lifting ears per arrow. Number of fans Unit length in length... -
Page 9: Required Lifting Requirements - Flat Nema Fan Models
Required Lifting Requirements – Flat NEMA Fan Models Units with NEMA Fans will have either a B (5’ 9” [1755mm]) or I (7’ 8” [2340mm]) incremental fin length designator. Below are the B unit lifting requirements. The arrows shown on the unit drawings below indicate (2) lifting ears per arrow. Number of fans Unit length in length... -
Page 10: Forklift Lift
Units with a length less than 27 feet are provided with standard EVAPCO steel forklift channels positioned under the unit. Forklift channels will be identified by a label on the unit. If labels and forklift channels are not present, STOP!, the unit will need to be rigged via a crane. -
Page 11: Crane Lift
Crane Lift: 30° 30° Ensure that the crane operator uses adequate lifting straps, chains, spreader bars etc., MAX. MAX. to safely and securely handle the weight of the product. The minimum angles for lifting by crane when viewed from the unit end, must NEVER be less than a 60° angle from 60°... -
Page 12: Required Lifting Requirements - V Coil Ec Fan Models
Required Lifting Requirements – V Coil EC Fan Models Units with EC fan assemblies will have either an A (3’ 10” [1170mm]) or J (4’ 3” [1300mm]) incremental fin length designator. Below are the lifting requirements for these units. The arrows shown on the unit drawings below indicate (2) lifting ears per arrow. Number of fans Unit length in length... -
Page 13: Required Lifting Requirements - V Coil Nema Fan Models
Required Lifting Requirements – V Coil NEMA Fan Models Units with NEMA Fans will have either a B (5’ 9” [1755mm]), K (6’ 4” [1950mm]), or I (7’ 8” [2340mm]) incremental fin length designator. The arrows shown on the unit drawings below indicate (2) lifting ears per arrow. Below are the B and K unit lifting requirements. -
Page 14: International Building Code Provisions
This includes piping, ductwork, conduit, and electrical connections. These items must be attached to the EVAPCO unit so as not to transmit additional loads to the equipment as a result of seismic or wind forces. EVAPCO requires that all external piping and fittings be externally supported, the supplied connections are not designed to support external piping or fitting loads. -
Page 15: Seasonal Shutdown
3. Start the EVAPCO Air Pre-Cooling System if equipped. For Adiabatic units, check for proper pad wetting. For spray units, check to ensure all nozzles are free from debris and have a uniform spray pattern. If the adiabatic or spray system is not operating correctly, consult the troubleshooting guide in this manual. -
Page 16: Maintenance Instructions
4. Keep the jet of the cleaning appliance at an angle of no more than 15° from vertical position, to avoid bending the fin edges. Cleaning Hydraulically When cleaning the coil hydraulically, EVAPCO recommends using water only. If cleaning products are used ensure that they are compatible with the unit materials of construction. -
Page 17: Cleaning With Compressed Air
Cleaning with Compressed Air When cleaning with compressed air, use a compressor designed for a maximum of 1,000psig or less. For the purpose of removing dirt and debris, please ensure that the air stream is COMPLETELY VERTICAL to the fins as the compressed air stream can damage the fins. Cleaning with Brushes Dry dust and some dirt can be removed with brushes, possibly in conjunction with compressed air or an industrial vacuum cleaner. -
Page 18: Operation (Adiabatic Pre-Cooling System)
All connecting piping to the unit MUST be externally supported. The piping on the unit is not designed to bear additional piping weight. EVAPCO recommends visually inspecting adiabatic pads and the distribution system regularly during operation and before seasonal startup. When in operation the pads should be completely wetted (there will be a noticeable color difference). If portions of the pad are not wetted, inspect the water distribution system for clogs. -
Page 19: Spray System - If Equipped
19 & 20) includes a water pressure regulator to enable the use of high pressure supply water, up to 140 psig, to be connected. The inlet connection is the highest point on the EVAPCO adiabatic and spray pre-cooling systems, allowing for free drainage of water, after the soleniod valve, upon system shutoff. -
Page 20: Water Quality Guidelines
Thus, the water quality guidelines shown below are recommended to limit scale build-up and corrosion on the finned tube bundles. In addition to the water quality guidelines shown below, EVAPCO recommends designing the system for a maximum of 200 hours of spray operation per year to help limit the possibility for scale build-up and corrosion. -
Page 21: Maintenance Checklist
MAINTENANCE CHECKLIST PROCEDURE 1. Check fins for clogging or debris – monthly 2. Check unit for damage – quarterly 3. Check unit for leaks – quarterly 4. Clean the coil(s) – semi-annually 5. Check cooler coil connections for tightness – annually 6. -
Page 22: Fan System
Cold Weather Operation EVAPCO eco-Air Series air cooled equipment is well suited to operate in cold weather conditions. The lack of required water makes air cooled equipment ideal for low ambient conditions. When the air cooled unit is going to be used during cold weather conditions, several items need to be considered including unit layout, adiabatic or spray system piping (if equipped), and unit heat transfer coils. -
Page 23: Troubleshooting
The following pages contain exploded view drawings of all current EVAPCO eco-Air closed circuit coolers and condensers. Please use these drawings to help identify the major parts of your unit. To order replacement parts, please contact your local EVAPCO representative or Mr. -
Page 24: Replacement Part Drawings
Replacement Part Drawings eco-Air Flat Coil Configuration with NEMA Fans SCREEN FAN ASSEMBLY TERMINAL BOX OR CONTROLLER NEMA (OPTIONAL) MOTOR MECHANICAL EQUIPMENT SUPPORT COIL CASING PANEL eco-Air Flat Coil Configuration with EC Fans EC FAN MOTOR ASSEMBLY TERMINAL BOX OR CONTROLLER (OPTIONAL) CASING PANEL... - Page 25 eco-Air V Coil Configuration with NEMA Fans SCREEN FAN ASSEMBLY TERMINAL BOX OR CONTROLLER (OPTIONAL) NEMA MOTOR MECHANICAL EQUIPMENT SUPPORT COIL INTERNAL STEP DECK (OPTIONAL) INSPECTION PANEL eco-Air V Coil Configuration with EC Fans EC FAN MOTOR ASSEMBLY TERMINAL BOX OR CONTROLLER (OPTIONAL) COIL...
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Page 26: Eco-Air Adiabatic System Components
eco-Air Adiabatic System Components ADIABATIC SOLENOID WATER SYSTEM VALVE WYE STRAINER WATER PRESSURE REGULATOR HAND VALVE FLOW SETTER DEVICE DISTRIBUTION PIPE DISTRIBUTION PIPE DETAIL A DISTRIBUTION DISTRIBUTION PADS PADS COIL SLOPED DRAIN ADIABATIC CHANNEL PADS DISTRIBUTION TRAY DETAIL B eco-Air Spray System Components SOLENOID WATER PRESSURE VALVE... -
Page 27: Notes
Notes... - Page 28 For EVAPCO Authorized Parts and Service, Contact Your Local EVAPCO Representative or the Local Mr. GoodTower Service Provider ® EVAPCO, Inc. — World Headquarters & Research/Development Center P.O. Box 1300 • Westminster, MD 21158 USA 410-756-2600 p • marketing@evapco.com • evapco.com...
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