HTP Superstor Ultra SSU-20N Manual
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HTP Superstor Ultra SSU-20N Manual

Indirect fired water heaters
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Installation
Start-Up
Maintenance
Parts
Warranty
For Residential and Commercial Use
SSU Models
The surfaces of these products contacted by potable (consumable) water contain less than 0.25% lead by weight as required by
the Safe Drinking Water Act, Section 1417.
This manual must only be used by a qualified installer / service technician. Read all instructions in this manual before installing.
Perform steps in the given order. Failure to do so could result in substantial property damage, severe personal injury, or death.
The manufacturer reserves the right to make product changes or updates without notice and will not be held liable for
typographical errors in literature.
NOTE TO CONSUMER: PLEASE KEEP ALL INSTRUCTIONS FOR FUTURE REFERENCE.
272 Duchaine Blvd.
Superstor Ultra
Indirect Fired Water Heaters
New Bedford, MA 02745
www.htproducts.com
lp-730 Rev. 000 Rel. 000 Date 11.26.19

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Summary of Contents for HTP Superstor Ultra SSU-20N

  • Page 1 Superstor Ultra Indirect Fired Water Heaters Installation Start-Up Maintenance Parts Warranty For Residential and Commercial Use SSU Models The surfaces of these products contacted by potable (consumable) water contain less than 0.25% lead by weight as required by the Safe Drinking Water Act, Section 1417. This manual must only be used by a qualified installer / service technician.

  • Page 2: Table Of Contents

    Part 3 - Piping A. Plumbing The following defined terms are used throughout this manual to B. Boiler Connections bring attention to the presence of hazards of various risk levels or to C. Domestic Piping Inlet important product information. D. Temperature and Pressure Relief Valve E.

  • Page 3: When Servicing The Water Heating System

    C. Freeze Protection NOTE: Consider piping and installation when determining heater Installer - Read all instructions in this manual before installing. location. Place the water heater as close to the boiler as possible, in a Perform steps in the given order. location not prone to freezing.

  • Page 4: Locating The Water Heater

    NOTE: If you do not provide the minimum clearances shown in A. Locating the Water Heater Figure 1, it might not be possible to service the water heater without removing it from the space. NOTE: A combustible door or removable panel is acceptable front High heat sources (generating heat 100 F / 37 C or greater, such as...
  • Page 5 SUPERSTOR ULTRA CAPACITY DOMESTIC SHIPPING MODEL U.S. GAL. CONNECTION WEIGHT SSU-20N 22" 27" 20 GAL. 51 LBS 19-1/4" SSU-30N 34" 39-1/2" 62 LBS 30 GAL. 3/4" NPTM SSU-30LBN 5-1/4" 9-3/4" 22" 28-1/2" 23-1/4" 71 LBS SSU-45N 19-1/4" 45 GAL. 72 LBS 46"...

  • Page 6: Performance And Sizing Guidelines

    SUPERSTOR ULTRA 180 BOILER 200 BOILER WATER FIRST WATER FIRST 180 F 200 F HEAT EXCHANGER PRESSURE TEST WORKING RECOMMENDED HOUR RATINGS HOUR RATINGS MODEL BOILER BOILER SURFACE/VOLUME DROP (FT.) PRESSURE PRESSURE FLOW RATE (GAL) * (GAL) * BTU/SIZE BTU/SIZE 140 F 115 F 140 F 115 F SSU-20N...

  • Page 7: Reduced Boiler Input Sizing Guide

    C. Reduced Boiler Input Sizing Guide NOTE: IT IS NOT RECOMMENDED TO REDUCE BOILER INPUT WHEN USING DOUBLE WALL TANKS. GROSS OUTPUT (x 1,000 BTU/HR) MODEL SSU-20N SSU-30N SSU-30LBN SSU-45N SSU-60N SSU-80N SSU-119N Table 4 - Describes Cold Start First Hour Ratings (A and B) and Boiler Size PRODUCT LINE CONSISTS OF VARIOUS MODELS AVAILABLE IN DETERMINE THE AMOUNT OF DOMESTIC HOT WATER NEEDED.

  • Page 8: Water Chemistry Requirements

    D. Water Chemistry Requirements Part 3 - Piping A. Plumbing Chemical imbalance of the water supply may affect efficiency and It is mandatory that all plumbing be done in accordance with cause severe damage to the appliance and associated equipment. federal, local, and state plumbing codes and practices.

  • Page 9: Temperature And Pressure Relief Valve

    D. Temperature and Pressure Relief Valve On SSU-80N and SSU-119N residential models, as well as all FAILURE TO RE-INSPECT THE T&P VALVE AS DIRECTED COULD commercial models, a 3/4” temperature and pressure (T&P) port RESULT IN UNSAFE TEMPERATURE AND/OR PRESSURE BUILD-UP and relief valve are provided.

  • Page 10: Potable Expansion Tank

    F. Potable Expansion Tank A potable hot water expansion tank may be required to offset heated water expansion. If there is a back flow preventer or any other type of no return or check valve in the system a thermal expansion tank IS MANDATORY.
  • Page 11 Figure 6 - Zoning with Zone Valves Figure 7 - Zoning with Circulators Figure 8 - Installation with Storage Tank NOTES: 1. Minimum pipe size should match connection size. Upsize pipe accordingly if greater flow is required. 2. A thermal expansion tank suitable for potable water must be sized and installed within this piping system between the backflow preventer and the cold water inlet.
  • Page 12 Figure 9 - Dual Purpose Application with Wood Boiler Figure 10 - Dual Purpose Application with Wood Stove Figure 11 - Dual Purpose Application with Two Water Heaters NOTES: 1. Minimum pipe size should match connection size. Upsize pipe accordingly if greater flow is required. 2.
  • Page 13 Figure 13 - Steam Boiler Figure 14 - Live Steam Installation NOTE: On Steam Boiler Applications, the indirect heat exchanger supply and return connections must be below the water line from the boiler connection. The internal flow check or spring check must be used to avoid thermal siphoning from the connected boiler. A basket strainer should also be used to avoid sludge and sediment getting into the pump or heat exchanger.

  • Page 14: Part 4 - Heater Control And Wiring

    Part 4 - Heater Control and Wiring A. Control Install control element into the control well and tighten into place with screws on the control body. Thermal conductive paste is recommended. Once the control is operational, it is important to make sure the control is maintaining the desired operating temperature. CAUTION NOTE: DO NOT attempt to remove the control well! The control well is welded to the water heater.
  • Page 15 Figure 18 - Zoning with Circulators - R845A Relay Figure 19 - Zoning with Circulators Using R8182D and DPST - No Relay Required Figure 20 - Zoning with Circulators Using L8124 A, C, and R845A Relay Figure 21 - Zoning with Circulators Using L8124 A, C, and DPST Control - No Relay Required lp-730 Rev.
  • Page 16 Figure 24 - Control with Built-In DPST Switch - No Relay Required Figure 23 - Zoning with Circulators - R8182D and R845A Relay Figure 25 - Zoning with Circulators Using L8124 E-F, and R845A Relay Figure 26 - Zoning with Circulators Using L8124 E-F, and DPST - No Relay Required Figure 22 - Using L8148A or L8152A Cold Start Boiler Control with Circulators lp-730 Rev.
  • Page 17 Figure 27 - Priority Zone with Circulators Figure 28 - Priority Zone with Zone Valves Figure 29 - Using L8148A or L8152A Cold Start Boiler Control with Zone Valves lp-730 Rev. 000 Rel. 000 Date 11.26.19...

  • Page 18: Part 5 - Start-Up And Operation

    Part 5 - Start-Up and Operation 1. Fill the water heater by opening the cold water shut-off valve. Purge air from the system by opening a hot water outlet at a fixture in a kitchen or bathroom. When water flows freely from the outlet, the system is purged.

  • Page 19: Part 6 - Maintenance And Troubleshooting

    Part 6 - Maintenance and Troubleshooting Periodic maintenance should be performed by a qualified service technician to ensure all equipment is operating safely and efficiently. The owner should make necessary arrangements with a qualified heating contractor for periodic maintenance of the heater. Installer must also inform the owner that the lack of proper water heater care and maintenance may result in hazardous conditions.
  • Page 20 Problem Reason Remedy Zone Valve Not Opening Open manually or replace Circulator Not Operating Check or replace Tank Control Set Too Low Raise tank temperature* Boiler Control Set Too Low Raise boiler temperature No Hot Water Wiring Incorrect Check wiring Tank Control Failure Replace control Zone Valve Failure...

  • Page 21: Limited Warranty

    Standard Residential Use shall mean water heaters not registered 5. Use the water heater in an open system, or in a closed system with a online with HTP used in a single family dwelling, or usage in a multiple properly sized and installed thermal expansion tank.
  • Page 22 During the claims process a product that must be replaced will be given a 21. Any damages or failures caused by using any models other than SSU-N designation of either a) field scrap, or b) return to HTP. If the product must / SSU-CN 80 and 119 gallon models in live steam applications.

  • Page 23: Customer Installation Record Form

    Customer Installation Record Form The following form should be completed by the qualified installer / service technician for you to keep as a record of the installation in case of a warranty claim. After reading the important notes at the bottom of the page, please also sign this document. Customer’s Name Date of Installation Installation Address...

This manual is also suitable for:

Superstor ultra ssu-30nSuperstor ultra ssu-30lbnSuperstor ultra ssu-45nSuperstor ultra ssu-60nSuperstor ultra ssu-80nSuperstor ultra ssu-119n ... Show all

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