CUSTOM AIR HANDLERS - United Metal Products

1 INSTALLATION | OPERATION | MAINTENANCE. CUSTOM AIR HANDLERS . IMPORTANT SAFETY INSTRUCTIONS. READ AND SAVE THIS MANUAL. For future reference, record Tag, Model & Serial numbers of your unit here: Tag No. _____ Model No. _____ Serial No. _____. **To obtain a printed copy of these instructions please email ABOUT T HIS MANUAL SAFETY SYMBOLS. This document is intended for use by owner-authorized personnel. It is expected that these individuals possess independent training that will enable them to perform their ! assigned task properly and safely. It is essential that, prior to performing any task on this equipment, these individuals WARNING: indicates a potentially hazardous situa- shall have read and understood this document and any ref- tion, which if not avoided, could result in death or seri- erenced materials.

2 These individuals shall also be familiar ous injury with and comply with all applicable governmental stand- ards and regulations pertaining to the task in question. CAUTION: indicates a potentially hazardous situation, which if not avoided, could result in minor or moderate CUSTOM Air Handling equipment design can be complex and injury. the internal components diverse. This manual is not intend- ed to provide installation, operation and maintenance infor- mation for all components but rather a general knowledge NOTE: is used to highlight additional information that of the air handler itself. This manual must be used in con- may be helpful to you or may indicate a situation that junction with the individual components IOM's for a more could result in equipment or property damage.

3 Comprehensive understanding of the unit. 1920 E Broadway Road Tempe, AZ 85282 T: F: E: Information subject to change without notice. CUSTOM Air HANDLERS (IOM Dec. 2014). 1. INSTALLATION | OPERATION | MAINTENANCE. T ABLE OF CONTENTS. I nstallation . Cover Page 1. Safety Symbols 1. Table of Contents 2. Warnings 3. Receiving the Units 3. Long Term Storage 4. Pre-Installation 4. Lifting & Rigging 4. Roof Curbs 5. Sealing the Unit 5. Demount Detail 6. Electrical Connections 7. Plumbing Connections 7. P-Traps & Condensate Drains 7. Refrigerant Piping 8. Gas Piping 9. Shipping Restraints 9. Thrust Restraints 10. Shipped Loose Items 10. OPERATION. General Information 11. Fans, Belts & Bearings 11. Belt Adjustment 12. Seismic Isolators 12. Evaporative Media 13.

4 Setting Max Fill Rate 13. Setting the Water Level 13. Setting the Water Flow 13. Setting the Bleed Rate 14. Flush Valve & Timer (Optional) 14. TDS Controller and Flush Valve (Optional) 15. 15. MAINTENANCE. General Information 16. Air Filters 16. Coil Cleaning 16. Drain Pan Cleaning 16. Fan Bearing Lubrication 17. Motor Inspection & Lubrication 17. Evaporative Section 18. Recommended Maintenance Schedule 19. Warranty 20. 1920 E Broadway Road Tempe, AZ 85282 T: F: E: Information subject to change without notice. CUSTOM Air HANDLERS (IOM Dec. 2014). 2. INSTALLATION | OPERATION | MAINTENANCE. W ARNINGS WARNING: FAN GUARDS! Fan guards should be working level or when deemed advisable for safety. WARNING: RISK OF ELECTRIC SHOCK. CAN CAUSE INJURY.

5 OR DEATH: DISCONNECT ALL REMOTE ELECTRIC POWER WARNING: ELECTRICAL CLEARANCES! Electrical SUPPLIES BEFORE SERVICING. If the unit is thermostati- wiring must be installed a safe distance away from cally controlled, the thermostat is not to be used as any sharp or moving parts (blower wheels, pulleys, a disconnect as it may reset and start the unit unex- sheaves, belts, etc.). pectedly. ! WARNING: SAFETY DEVICES! All safety devices WARNING: HAZARDOUS VOLTAGES! Disconnect and panels of unit must be reinstalled and remount- all electrical power, including remote disconnects ed as previously mounted before start-up, servicing and discharge all motor start/run capacitors before or cleaning. servicing. Follow proper lock out / tag out proce- dures to ensure the power cannot be inadvertently RECEIVING THE UNITS.

6 Energized. Verify with an appropriate meter that all capacitors have discharged. Failure to disconnect Based on customer requirements, units can ship as com- power and discharge capacitors before servicing plete units or as individual sections to be field assembled. could result in death or serious injury. Items that cannot be factory mounted should ship inside the control enclosures or should be packaged inside the fan or WARNING: GROUNDING REQUIRED! All field in- mixing section. stalled wiring must be completed by qualified per- sonnel. All field installed wiring must comply with Inspect the complete unit for shipping damage. If damage is NEC and applicable local codes. Failure to follow present, you have the right to either accept or reject the these instructions could result in death or serious shipment.

7 If the receiving contractor or the receiving agent injuries. for the contractor elects to receive the equipment in a dam- ! WARNING: ULTRAVIOLET (UV) LIGHTS! High inten- sity C-band ultraviolet light is known to severely ity to note the extent of the damage on the delivering freight damage polymer (plastic) materials and pose a per- bill of lading in the presence of the delivering agent (driver). sonal safety risk to anyone exposed to the light with- of the delivering freight carrier in accordance with the ICC. out personal protective equipment (could cause regulations. It also then becomes the responsibility of the damage to eyes and skin). Polymer materials com- receiving contractor to work with the delivering carrier to monly found in HVAC equipment that may be sus- have the equipment repaired to the satisfaction of United ceptible include insulation on wiring, fan belts, vari- Metal Products , Inc.

8 , so the warranty may remain valid. ous fasteners and bushings. Degradation of these United Metal Products must also be notified of shipping materials can result in serious damage to the equip- damage immediately. Be sure to read warranty for further ment. information. United Metal Products will in no way be re- ! WARNING: REFRIGERANT WARNING! Systems sponsible for any unauthorized back charges due to events that contain oil and refrigerant are under high pres- or circumstances out of their control which may cause sure. See unit nameplate for refrigerant type. All shipping delays. The equipment type and arrangement technicians who handle refrigerant must be certified should be verified as ordered when it arrives at the jobsite. and appropriately trained to handle them.

9 All techni- When a discrepancy is found, the local United Metal Prod- cians must comply with the requirements set forth in ucts Sales Representative must be notified immediately so Section 608 of the Federal Clean Air Act. Some that corrective action may be investigated, also verify elec- states or municipalities may have additional require- ments that must also be adhered to for responsible trical conformance to specifications. Unauthorized altera- management of refrigerants. Know the applicable tions and unauthorized back charges will not be recognized laws and follow them. by United Metal Products , Inc. 1920 E Broadway Road Tempe, AZ 85282 T: F: E: Information subject to change without notice. CUSTOM Air HANDLERS (IOM Dec. 2014). 3.

10 INSTALLATION | OPERATION | MAINTENANCE. provided in this manual (Fig. 3) or shipped loose with LONG T ERM STORAGE the gasket material. Gasket material will be supplied in a box, shipped loose with the unit. There is a time limit of one year from startup or 18 months from date of shipment , whichever is sooner, that any unit may be kept in long-term storage. At the end of this period, LIFTING & RIGGING. the unit must be in operation. During the storage period, any component containing bearings must be rotated every 30 Use only trained, professional riggers when moving equip- days. ment. Avoid unnecessary jarring or rough handling. Spread- er bars must be used to prevent damage to the unit casing Select a well drained area, preferably concrete or a black- and other external components.