Delta TM-105312 - Manuals - manualsarea.com

Page 2 - Table of Contents

Revised 1-8-2007 1 Table of Contents Delta Cooling Towers Principle of Cooling Towers………………..……………. 2 Cooling Tower Terms and Definitions…………………… 2 Water Treatment……..………………………….……….. 3 General Information Safety………………..………………………………….… 3 Approximate Weights………………..…………………… 4 Dimensions & Other P...

Page 3 - Principle of Cooling Towers; leaving the tower is the cooling range.

Revised 1-8-2007 2 Delta Cooling Towers Principle of Cooling Towers All Cooling Towers operate on the principle of removing heat from water by evaporating a small portion of the water that is recirculated through the unit. The heat that is removed is called the latent heat of vaporization. Each one ...

Page 4 - Water Treatment; Safety; Follow all safety practices described in these instructions.

Revised 1-8-2007 3 Water Treatment • The Delta Cooling Towers are manufactured from corrosion-resistant plastics which are resistant to water treatment chemicals including common fungicides and bactericides. • Follow appropriate water treatment practices as required and take frequent sample tests to...

Page 5 - Approximate Weights; Overall; Model Group; Body Sump; Operating

Revised 1-8-2007 4 Approximate Weights The TM Series cooling towers are manufactured in three basic sections; a polyethylene tower body, a polyethylene sump, and a fan assembly section. The tower body ships with the fan assemblies installed. The tower sump ships as a separate piece. Approximate Weig...

Page 6 - Handling and Installation of Your TM Series Cooling Tower; Offloading

Revised 1-8-2007 5 Handling and Installation of Your TM Series Cooling Tower On -Site Inspection Upon arrival at the job site, carefully inspect the shipment for any damage. If shipping damage has occurred, notify the driver or the carrier immediately and make a notation of the damage on the shippin...

Page 10 - Electrical Wiring of Fan Motor and Accessories; Optional two speed motors are single winding variable torque.; Location, Piping and Connections; All supply and return piping must be independently supported.

Revised 1-8-2007 9 Electrical Wiring of Fan Motor and Accessories • Installation of a vibration cut-out switch is recommended. (Refer to tower accessories available). • All electrical work should be performed only by qualified personnel and in accordance to prevailing electrical codes, practices and...

Page 11 - PVC Solvent Cementing Instructions

Revised 1-8-2007 10 PVC Solvent Cementing Instructions The following procedure is recommended for the preparation and cementing of internal and external piping for Delta Cooling Towers: • Cut ends of pipe square using a handsaw and miter box. Tube cutters with wheels designed for use with PVC are ac...

Page 12 - Operation and Maintenance of Your TM Series Cooling Tower; Safety in Operation of the Fan; remove access manhole cover while fan is in operation.; NEVER; inside of the fan ring assembly or inside the tower plenum.; must be locked in the off position and an OSHA DANGER tag; Cleaning of the fill.; Water Distribution System

Revised 1-8-2007 11 Operation and Maintenance of Your TM Series Cooling Tower Safety in Operation of the Fan NEVER operate the fan when the access panel or the entire fan guard is removed. NEVER remove access manhole cover while fan is in operation. NEVER operate fan when any work, access, maintenan...

Page 13 - be inspected and serviced by an authorized motor; do not require; Start-up Instructions; Complete all start-up instructions before applying heat load.; Check for free rotation of the fan and fan blade tip clearance.

Revised 1-8-2007 12 • The maximum operating inlet water temperature should not exceed 140° F. CAUTION: When stepping on top of the fill, distribute the body weight by means of two plywood plates as described earlier in these instructions. Fan and Mechanical Drive System and Its Maintenance Safety Fo...

Page 14 - Water Level in Tower Sump; Operating level (from

Revised 1-8-2007 13 • Check spray pattern from nozzles to be sure there is no clogging. Remove drift eliminators for nozzle inspection, then return to proper position. • Start up fan motor and check amperage and voltage against motor nameplate data. • The standard make-up valve assembly is shipped w...

Page 16 - See Thermostatic On/Off control

15 PVC Distribution System To prevent damage to the PVC distribution system during cold weather shut-down, install an automatic or manual drain line from the hot water inlet piping as close to the cooling tower inlet as possible. The entire inlet and distribution system must be drained for shut-down...

Page 17 - Problem

16 Trouble-Shooting Guide For TM Series Induced Draft Cooling Towers Problem Possible Causes Corrective Actions Increase in the leaving water temperature 1. Excess water flow; over pumping. 2. Recirculation of hot discharge air, back into the cooling tower air intakes. Obstructed air intakes 3. Prox...

Page 20 - TM Series Optional Accessories; TM Series Optional Accessories Available; custom designed; TM Series Recommended Replacement Parts

19 TM Series Optional Accessories TM Series Optional Accessories Available Aluminum Ladder(s) with a step platform and railing at the fan elevation custom designed for the cooling tower. Safety cage(s). Two speed motor(s) designed for cooling tower duty to the exclusive specifications of Delta Cooli...

Page 21 - Preventative Maintenance Checklist; Procedure Monthly

20 Preventative Maintenance Checklist Procedure Monthly Every 3 Months Every 6 months Inspect General Condition of cooling tower. ¨ Check Water Level in cold water basin. Adjust if needed. ¨ Check float ball & Make-up Valve for proper operation. ¨ Check Line Voltage, Motor Amperage, Water Pressu...