INSTALLATION and OPERATION MANUAL - Lochinvar, LLC

1 LST-I-O 100161529_2000014416 Rev F. STORAGE TANK. INSTALLATION and OPERATION . MANUAL . WARNING The information contained in LOW LEAD CONTENT this MANUAL is intended for use by qualified professional installers, or service technicians. Consult your local expert for proper INSTALLATION or service procedures. Save this MANUAL for future reference. Contents 2 Drain .. 7. HAZARD DEFINITIONS .. 2 Completing the INSTALLATION .. 7. 1. GENERAL INFORMATION .. 3 3. OPERATION .. 8. Tank construction .. 3-4 Startup procedure .. 8. 2. 5 Shutdown 8. Transporting and unpacking the unit .. 5 4. INSPECTION .. 9. Examining the unit .. 5 5. MAINTENANCE .. 10. Anchoring the unit .. 5 Flushing the tank .. 10. Recommended service clearances .. 5 Cleaning the tank .. 10-11. Connecting the hot water source .. 5-6 Magnesium anode rod 12. Cold water supply.

2 6 Water piping and valve replacement .. 12-13. Hot water outlet .. 6 Temperature and pressure gauge replacement .. 13. Mixing valve .. 6 Notes ..14-15. Aquastat / bulbwell .. 7 Revision Notes .. Back Cover Piping the relief valve .. 7. Hazard definitions The following defined terms are used throughout this MANUAL to bring attention to the presence of hazards of various risk levels or to important information concerning the life of the product. DANGER indicates an imminently hazardous situation which, if not avoided, will result in death or serious DANGER injury. WARNING indicates a potentially hazardous situation which, if not avoided, could result in death or serious WARNING injury. CAUTION indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate CAUTION injury. CAUTION used without the safety alert symbol indicates a potentially hazardous situation which, if not CAUTION avoided, may result in property damage.

3 NOTICE indicates special instructions on INSTALLATION , OPERATION , or maintenance that are important but not NOTICE related to personal injury or property damage. Hot Water Can Scald! Water heated to temperatures for clothes washing, dish washing, and other sanitizing needs can scald and cause permanent injury. Children, elderly, and infirm or physically handicapped persons are more likely to be permanently injured by hot water. Never leave them unattended in a bathtub or shower. Never allow small children to use a hot water tap or draw their own bath. If anyone using hot water in the building fits the above description, or if state laws or local codes require certain water temperatures at hot water taps, you must take special precautions: Use lowest possible temperature setting. Install some type of tempering device, such as an automatic mixing valve, at hot water tap or water heater.

4 Automatic mixing valve must be selected and installed according to valve manufacturer's recommendations and instructions. Water passing out of drain valves may be extremely hot. To avoid injury: Make sure all connections are tight. Direct water flow away from any person. Protection Must Be Taken Against Excessive Temperature and Pressure! -- INSTALLATION of a Temperature & Pressure (T&P) relief valve is required. 2. Storage Tank INSTALLATION and OPERATION MANUAL 1 General information The following chart (Table 1A) details the relationship of This MANUAL is intended to cover INSTALLATION , OPERATION , water temperature and time with regard to scald injury and maintenance procedures for Lochinvar's Hot Water and may be used as a guide in determining the safest water Storage Tank. Some storage tanks are built to meet customer temperature for your applications.

5 Specifications. Instructions may not be specific to every system. If questions are not answered by this MANUAL , or if specific Table 1A Approximate Time / Temperature Scald Chart INSTALLATION , OPERATION , and/or maintenance procedures are not clearly understood, contact Lochinvar for clarification before proceeding. APPROXIMATE TIME / TEMPERATURE. RELATIONSHIPS IN SCALDS Most Hot Water Storage Tanks are designed for indoor use only, unless otherwise constructed by design specifications. It 120 F More than 5 minutes should be located on a level surface (no more than one-half degree of slope), capable of supporting the total weight of the 125 F 1 1/2 to 2 minutes unit when filled to capacity. 130 F About 30 seconds The unit should be mounted to the floor following applicable 135 F About 10 seconds architectural and local code requirements for the specific INSTALLATION site.

6 NOTE: Tanks do not come standard with 140 F Less than 5 seconds floor tie downs. Seismic tie downs are available upon request. 145 F Less than 3 seconds The high quality enamel paint, applied to the jacket of the unit, will provide years of protection against corrosion. If it is 150 F About 1 1/2 seconds necessary to clean the outside of the unit, a mild cleaning agent 155 F About 1 second should be used that will not damage the paint. For all piping connections, the use and/or type of joint Before using product, read and WARNING compound or sealer on the joints should be determined understand instructions. by referring to local codes, accepted standards, and/or the Save these instructions for future requirements of the installing contractor. reference. All work must be performed by Tank construction qualified personnel trained in the proper application, INSTALLATION , and Hot Water Storage Tanks are pre-engineered and pre-assembled maintenance of the water systems in complete with all fittings.

7 And like every Lochinvar product, accordance with all applicable codes they are thoroughly tested to ensure proper performance from and ordinances. the moment they are installed. To prevent serious burns, wear heat Gallon Capacities -- Lochinvar tanks are available in gallon resistant gloves when handling hot capacities from 120 to 5000 gallons. Standard construction equipment. tanks from 120 to 940 gallons are maintained in regular inventory. Tanks over 1000 gallons are custom manufactured Failure to follow this warning could cause per order. property damage, personal injury, or death. Tank Orientation -- Lochinvar tanks are available in vertical or horizontal orientation. Tank Lining -- Lochinvar tanks are available in glass (standard). or cement (optional) linings, and unlined. ASME -- All Lochinvar storage tanks are constructed per ASME.

8 Section IV requirements, or Section VIII. Pressure Rating -- Lochinvar tanks are available in 125 psi working pressure (standard) or 150 psi working pressure (optional). Cathodic Protection -- All glass lined tanks are equipped with magnesium anodes to provide protection against corrosion. 3. Storage Tank INSTALLATION and OPERATION MANUAL 1 General information Manway - A 12" x 16" manway is provided as an option on Areas of potential danger: glass lined tanks and is standard on cement lined tanks. Four WARNING. by six inch (4" x 6") hand holes are available on tanks under 1. All water lines, joints, and valves. 300 gallons. Manways may not be installed on tanks under 2. All power connections and cables. 30" diameter. 3. If the unit has been in OPERATION , allow Jacketing -- Lochinvar tanks are available as Bare , having the water in the heater and all no jacket or insulation.

9 Components and surfaces (tank surface, water piping, etc.,) to cool before Tanks with a round sheet metal jacket are insulated with a starting the procedure. 2" thick foam mixture that has an R value of R-16. Square sheet metal jacketed tanks are insulated with a 3 1/2" thick 4. Assure that all power to associated water fiberglass wrap that has an R value of R-13. These tanks are heating equipment has been shut off for indoor INSTALLATION only. and disconnected before attempting any procedures. Outdoor rated tanks are available with 2" thick foam insulation with no exposed metal surfaces. All jacketed storage tanks 5. Assure that all incoming and outgoing meet the energy efficiency requirements of the latest edition water lines have been shut off at the of ASHRAE MANUAL shutoff valves. Heated water presents situations that can be relief Valve Tapping -- A tapping is provided for the WARNING.

10 INSTALLATION of a field supplied ASME safety relief valve. very dangerous due to the fact they are under pressure and at very high temperatures. Hot Water Recirculation Tappings -- Lochinvar storage To avoid possible injury or death, use tanks will have two (2) tappings on the tank to provide common sense and follow all accepted and recirculation piping between the tank and a hot water source. recommended procedures when performing INSTALLATION , OPERATION , and maintenance These tappings may be ordered in custom sizes, either threaded procedures. or flanged. Extra tappings are also available upon request. The combination of electricity and water can Hot Water Outlet -- A Hot Water Outlet Tapping is WARNING. pose a very dangerous situation. Assure that positioned on the top of the tank for connection to the all power has been shut off / disconnected building system.