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TSU-I-O Rev A
Installation & Operation
Manual
Models: TSU 150 - 940
CAUTION:
This appliance is not intended for potable water.
This manual must only be used by
WARNING
a qualified heating installer / service
technician. Read all instructions
before installing. Perform steps in
the order given. Failure to comply
could result in severe personal
injury, death, or substantial property
damage.
Save this manual for future reference.
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Table of Contents
Related Manuals for Lochinvar TSU150
Summary of Contents for Lochinvar TSU150
- Page 1 TSU-I-O Rev A Installation & Operation Manual Models: TSU 150 - 940 CAUTION: This appliance is not intended for potable water. This manual must only be used by WARNING a qualified heating installer / service technician. Read all instructions before installing. Perform steps in the order given.
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Page 2: Table Of Contents
Contents HAZARD DEFINITIONS ............ 2 Hydronic Heating Zoned with Circulators ......11 PLEASE READ BEFORE PROCEEDING ......3 Thermal-Stor Domestic Water Heating ......11 1. GENERAL INFORMATION Domestic Hot Water Priority ..........11 Operating Restrictions ............4 High Output Piping ............11 Tank Shipment.............. -
Page 3: Please Read Before Proceeding
Installation & Operation Manual Please read before proceeding Installer – Read all instructions before • Installation and service must be performed by a WARNING installing. Perform steps in the order given. qualified installer, service agency, or the gas supplier. Have this storage tank serviced/inspected Failure to adhere to the guidelines on this by a qualified service technician, at least WARNING... -
Page 4: General Information
General information The Lochinvar Thermal-Stor stratified solar tank is designed to use a solar thermal collector system, in conjunction with a back-up heat source, to provide water for a closed loop hydronic heating system. The appliance consists of a spherical heat exchanger connected to an unlined storage tank. - Page 5 Tank Tank Jacket Hydronic Full Supply/ Water Model Diameter Diameter Tappings Weight Return Volume (in.) (in.) (NPT) (lbs) (NPT) (gal.) TSU150 2" 2" 1775 TSU200 2" 2" 2300 TSU257 2" 2" 2875 TSU350 2" 2" 3775 TSU423 2" 2" 4650 TSU504 2"...
- Page 6 Tapping Measurements (From Floor) Model (in.) (in.) (in.) (in.) (in.) (in.) (in.) (in.) (in.) (in.) (in.) TSU150 2 1/4 10 3/4 21 1/4 28 3/4 50 1/4 55 1/4 75 3/4 3 1/2 3 1/2 TSU200 2 1/4 11 1/4...
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Page 7: Spherical Heat Exchanger
The Model Model (in.) (in.) spherical exchanger helps maintain optimal use of solar energy for hydronic heating. The multi-functional design improves TSU150 SHX40000 44 1/2 efficiency in every system. Insulated with polyurethane foam, TSU200 SHX40000 48 1/4... -
Page 8: Pre-Installation
A tank should always be located in an area with a floor drain or installed in a drain pan suitable for tanks. Table 2A Lochinvar shall not be held liable for any Recommended Antifreeze Concentrations such water damage. Glycol Freeze... -
Page 9: Solar Connections
0.09 0.30 0.61 1.01 1.50 2.06 2.70 Table 3C Spherical Heat Exchanger Pressure Drop Chart TSU257-350/ TSU257-350 / SHX40001 SHX40001 TSU150-200/ TSU150-200 / SHX40000 SHX40000 TSU423-504/ TSU423-504 / SHX40002 SHX40002 TSU650-940/ TSU650-940 / SHX40003 SHX40003 SHX40004 SHX40004 0 gpm 2 gpm... -
Page 10: Piping Diagrams
Installation & Operation Manual Solar connections Figure 3-1 Solar System Piping Figure 3-2 Solar System Piping with Multiple Heat Exchangers Please note that these illustrations are meant to show system piping concept only, the installer is NOTICE responsible for all equipment and detailing required by local codes. -
Page 11: Hydronic Piping
Installation & Operation Manual Hydronic piping Basic hydronic piping Thermal-Stor domestic water heating Depending upon the application, there are many different When paired with an indirect water heater or a heat exchanger piping arrangements that can be applied to the Thermal-Stor (FIG. -
Page 12: Relief Valves
Installation & Operation Manual Hydronic piping Relief Valves Figure 4-1 Relief valve For protection against excessive pressure, WARNING install temperature and pressure protective equipment required by local codes. A relief valve must be certified by a nationally recognized testing laboratory that maintains periodic inspection of listed equipment or materials. -
Page 13: Anti-Scald Mixing Valves
Installation & Operation Manual Hydronic piping (continued) Anti-scald mixing valves Anti-scald valves used with water heaters are also called tempering valves or mixing valves. An anti-scald valve mixes cold water with the outgoing hot water to assure that hot water reaching a building fixture is at the correct temperature. A mixing valve is required when the Thermal-Stor is used to generate domestic hot water. -
Page 14: Piping Diagrams
Installation & Operation Manual Hydronic piping Figure 4-2 Piping with Hydronic Heating Please note that these illustrations are meant to show system piping concept only, the installer is responsible for NOTICE all equipment and detailing required by local codes. - Page 15 Installation & Operation Manual Hydronic piping (continued) Figure 4-3 Domestic Indirect Water Heating Boiler must be sized to meet all space heating and domestic hot water loads simultaneously. Failure to properly WARNING size the heat source can cause operational issues. Please note that these illustrations are meant to show system piping concept only, the installer is responsible for NOTICE all equipment and detailing required by local codes.
- Page 16 Installation & Operation Manual Hydronic piping Figure 4-4 Multiple Boiler Piping - Single Temperature Boiler must be sized to meet all space heating and domestic hot water loads simultaneously. Failure to properly WARNING size the heat source can cause operational issues. Please note that these illustrations are meant to show system piping concept only, the installer is responsible for NOTICE all equipment and detailing required by local codes.
- Page 17 Installation & Operation Manual Hydronic piping (continued) Figure 4-5 DHW Priority Piping - Multiple Temperature Space Heating Figure 4-6 Multiple Tank Piping Boiler must be sized to meet all space heating and domestic hot water loads simultaneously. WARNING Failure to properly size the heat source can cause operational issues. Please note that these illustrations are meant to show system piping concept only, the installer NOTICE is responsible for all equipment and detailing required by local codes.
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Page 18: Startup And Maintenance
Startup and maintenance System startup Maintenance Schedule The Lochinvar Thermal-Stor solar tank is an extremely simple 1. Make sure the system is free of leaks and that air is device and as such requires very little maintenance. There are, purged from the system. -
Page 19: Winterizing The System
Installation & Operation Manual Startup and maintenance Follow instructions on circulator to oil, if required. To drain/flush the system Check mixing valve, valves, pipes, and fittings for leaks. 1. Turn OFF main electrical power to the tank, solar collectors ... -
Page 20: Revision Notes
Revision Notes: Revision A (ECO C08886) initial release. TSU-I-O Rev A 11/11 - Printed in U.S.A.
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