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SSS-I-O Rev E
Installation & Operation
Manual
Models: SSS031, SSS041,
SSS051, SSS081, & SSS119
This manual must only be used by a
WARNING
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 Squire SSS03
Summary of Contents for Lochinvar Squire SSS03
- Page 1 SSS-I-O Rev E Installation & Operation Manual Models: SSS031, SSS041, SSS051, SSS081, & SSS119 This manual must only be used by a WARNING 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.
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Page 2: Table Of Contents
Contents Hazard definitions ..........2 Please read before proceeding . -
Page 3: Please Read Before Proceeding
Use lowest possible temperature setting. Install some type of tempering device, such as an automatic mixing valve, at hot water tap or water heater. Automatic mixing valve must be selected and installed according to valve manufacturer’s recommendations and instructions. Installation & Operation Manual... -
Page 4: General Information
General Information The Lochinvar SSS series indirect water heater (FIG. 1-1) is designed to generate domestic hot water in conjunction with a hot water boiler using forced boiler water circulation. This indirect water heater consists of a 444 Stainless Steel tank in which a smooth 304 stainless steel coil is located. -
Page 5: Pre-Installation
Insulate piping between the boiler and the tank. Recommended Clearances The installation location must provide adequate clearances for servicing and proper operation of the water heater. A 12 inch Max. vertical clearance is recommended from the top of the water heater. -
Page 6: Piping
Piping Boiler Side Piping Figures 3-1 thru 3-3 show typical boiler side piping for several common situations. Regardless of which system is used it is imperative that the flow rates called for in Table 3A on page 6 are developed through the coil. This requires properly sized piping and a properly sized pump. - Page 7 Piping (continued) Figure 3-1 Piping Diagram Zoned with Circulators PRESSURE PRESSURE REDUCING VALVE BACKFLOW PREVENTER MAKE UP WATER SYSTEM SUPPLY SENSOR (WHEN USED) AIR SEPARATOR EXPANSION TANK NOT TO EXCEED 4 PIPE DIA. OR A MAXIMUM OF 12” APART DRAIN POINT (TYPICAL) BOILER CIRCULATOR...
- Page 8 Piping Figure 3-2 Piping Diagram Zoned with Valves PRESSURE PRESSURE REDUCING VALVE GAUGE BACKFLOW PREVENTER MAKE UP WATER AIR SEPARATOR EXPANSION TANK NOT TO EXCEED 4 PIPE DIA. OR A MAXIMUM OF 12” APART DRAIN POINT (TYPICAL) BOILER CIRCULATOR BALL VALVE (TYPICAL) UNION (TYPICAL)
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Page 9: Domestic Side Piping
Piping (continued) Figure 3-3 Knight Boiler Primary / Secondary Piping PRESSURE REDUCING VALVE BACKFLOW PREVENTER MAKE UP WATER SEPARATOR SYSTEM SUPPLY SENSOR SYSTEM SYSTEM BALL VALVE CIRCULATOR (TYPICAL) EXPANSION TANK DRAIN POINT Figure 3-4 Multiple Tank Connections PRESSURE GAUGE NOT TO EXCEED 4 PIPE DIA. OR A MAXIMUM OF 12”... - Page 10 Piping Domestic Side Piping Basic Domestic Piping Figure 3-5 on page 12 shows typical domestic water piping for a tank. All components except the control are provided by the installer. The function of the components shown are as follows: Shut-off valves (recommended) - Use to isolate the tank for servicing.
- Page 11 T&P relief valve with extended element. recommended element length is 8 inches. The Lochinvar SSS series water heaters will absorb less than 200,000 Btu/hr when domestic water outlet temperature is 210°F and boiler water supply temperature is 240°F.
- Page 12 Installation & Operation Manual Piping Figure 3-5 Recommended Domestic Water Piping...
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Page 13: Wiring
Wiring Indirect Water Heater Sensor Setup (Knight Boiler) Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and CAUTION dangerous operation. The sensor supplied contains an Auto Reset High Limit (195°F). NOTICE Install the sensor inside the tank as depicted in FIG. - Page 14 Wiring IDW Controlled Using Aquastat and Zone Circulator / Valve Install Aquastat to tank. Aquastat control (TST1085) can be ordered from your local Lochinvar distributor. Connect Aquastat to the zone controller for the Indirect Water Heater Zone. Adjust Aquastat to the desired temperature.
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Page 15: Start-Up And Check-Out
Maintenance The Lochinvar SSS series indirect water heater is an extremely simple device and as such requires very little maintenance. There are, however, several items which should be checked out on an annual or as needed basis to ensure a reliable supply of hot water:... -
Page 16: Warranty
It extends to the first buyer and to any subsequent owner(s) as long as the water heater remains installed at its original place of installation. WHAT DOES THIS LIMITED WARRANTY NOT COVER? 1. -
Page 17: Warranty
LOCATION FROM WHICH FUMES COULD REACH THE HEATER. For your comfort, enjoyment and safety, please read the enclosed operation instructions carefully. Lochinvar Corporation • 300 Maddox Simpson Pkwy • Lebanon, TN 37090 • 615-889-8900 / Fax: 615-547-1000 SS-WAR-01 WHAT SHOULD YOU DO TO KEEP... - Page 18 Notes...
- Page 19 Notes...
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Page 20: Revision Notes
Revision Notes: Revision B (SSS-I&O-Rev B) reflects edits and additions made to the piping diagrams. Revision C (SSS-I&O-Rev C) reflects edits made to the piping diagrams, the DHW Tank Sensor (AUX) and the addition of the warranty. Revision D (ECO #C02870) reflects the addition of the scald chart on page 3.