State Industries SW 37-670 instruction manual Approvals, Model and Rating Locating the Boiler

Page 9

APPROVALS

ASME

MODEL AND RATING

LOCATING THE BOILER

Facts to Consider About the Location

Carefully choose a location for the boiler. The placement is a very important consideration for the safety of the occupants in the building and for the most economical use of the appliance.

Whether replacing an old boiler or putting the boiler in a new location, the following critical points must be observed. The boiler must be located:

1.On a level surface. Shim the channel type skid base as necessary if levelling is required.

2.Near a floor drain. The boiler should be located in an area where leakage of the tank or connections will not result in damage to the area adjacent to the boiler or to lower floors of the structure.

3.The discharge opening of the temperature and pressure relief valve should always be piped to an open drain.

4.Close to the point of major hot water usage and the power supply. Hot water piping and branch circuit wiring should be as short as possible.

Insulate hot and cold water piping where heat loss and condensation may be a problem.

Boiler construction permits installation, maintenance, and service work to be performed through panels located in multiple sides of the boiler.

Suggested clearances from adjacent surfaces are 12 inches on top, 30 inches in front for access to the unit.

The boiler may be installed in a confined space if adequate ventilation is provided.

The temperature of the space in which the boiler is installed must not go below 32°F or above 122°F.

9

Image 9
Contents Commercial Electric Boilers Installation Operation Service Maintenance Limited WarrantySafe INSTALLATION, USE and Service General Safety Information Precautions Hydrogen GAS FlammableGrounding Instructions Introduction Table of ContentsSizes and Data NW37 Thru NW150 Dimension DataSizes and Data NW220 Thru Boiler Specifications Standard Dimension Data cont’dActual Configuration MAY Vary Features and ComponentsApprovals Model and Rating Locating the BoilerFacts to Consider About the Location Required Ability InstallationGeneral Pressure Relief ValveThermal Expansion Closed Water SystemsBranch Circuit Electrical DataCalculating Amperage Overcurrent Protection Boiler CircuitsWiring Diagrams Diagram Three Phase WYE with Step Control Diagram Three Phase Delta with Step ControlTemperature Regulation High Temperature LimitsOperation Filling the BoilerDraining Temperature ControlsFlushing MaintenanceSediment Removal Water and Lime Scale RemovalSystem Water Test Troubleshooting ChecklistSW-37 Thru SW-670 Electric HOT Water Boiler Limited Warranty Division of A. O. Smith Corporation RENTON, Washington