Laarsen Associates PW, VW warranty Split System Piping Diagram, Model IW

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LAARS HEATING SYSTEMS

 

 

 

 

 

 

Figure 12. Hot Water Supply System Using Model PW with Dual Tanks, Building Loop Return and Circulating Pump.

CAUTION:

1.This piping arrangement is required on split systems to provide constant hot water temperatures.

2.Pipe size and length must conform to the recommendations for each heater model.

3.A loop circulator is required to maintain forced circulation in the building hot water piping system.

Figure 13. Split System Piping Diagram, Model IW.

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Contents Mighty Therm Table of Contents General Information 1A. Introduction1B. Heater Identification Installation 2A. Heater Placement2B. Installation of Indoor Heaters 1C. Flow RequirementsInstallation on Concrete Blocks or Tile 2B-1. Combustion Air Supply 2C. Installation of Outdoor Heaters 2D. Gas Supply and Piping2E. Electrical Wiring 2F. Water Piping of System2G. Water Expansion Pressure Relief Valve Location2H. Pump Performance and Installation With Vertical Tank Horizontal Hot Water Supply System Model VW & PWSplit System Piping Diagram, Model IW Dual Installation Piping Diagram, Model IW With Horizontal Tank With Vertical TankMighty Therm Volume Water Heater 2J. Tank Installation 2K. Two-Temperature SystemOperation 2I. Water Pressure3B. Initial Start-Up 3C. To Start Up System Hi-Limit CheckoutMaintenance 3D. To Turn Off Heater3E. To Shut Down System Indoor ModelsTroubleshooting and Analysis Service Problems Heater will not FireIII. Water Dripping Firebox Numbers Parts Identification Laars Heating Systems Tile Assemblies Ignition Control, Electronic Safety Gas Valve, On-Off Two Stage Nat Plug, 3/4, Sq. Hd Outdoor Parts Outdoor Parts Descriptions and Order Numbers See Parts Illustration OnMighty Therm Volume Water Heater Pump Rotating Sections and Repair Parts Optional Parts Descriptions and Order NumbersEnergy Management Monitor EM2