HTP SSU-20 Installation Start-Up Maintenance Parts
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HTP SSU-20 Installation Start-Up Maintenance Parts

Superstor ultra 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.
HTP 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.
S uperstor Ultra
Indirect Fired
Water Heaters
New Bedford, MA 02745
www.htproducts.com
lp-83 Rev. 006 Rel. 005 Date 12.18.17

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Summary of Contents for HTP SSU-20

  • Page 1 Perform steps in the given order. Failure to do so could result in substantial property damage, severe personal injury, or death. HTP reserves the right to make product changes or updates without notice and will not be held liable for typographical errors in literature.

  • Page 2: Table Of Contents

    AHJ. Perform steps in the given order. NOTE: HTP reserves the right to modify product technical specifications User - This manual is for use only by a qualified heating installer and components without prior notice.

  • Page 3: Property Damage

    The water heater covered by product warranty. should be located near a floor drain or installed in a drain pan. HTP WILL NOT be held liable for leakage damages. In water heaters with single wall heat exchangers, the heat...
  • Page 4 This water heater is certified for indoor use only. DO NOT INSTALL OUTDOORS. Outdoor installations ARE NOT covered by warranty. Choose a location for the water heater as centralized to the piping system as possible. Also, locate the water heater and domestic water piping where it will not be exposed to freezing temperatures.
  • Page 5 Figure 2 - Dimensions lp-83 Rev. 006 Rel. 005 Date 12.18.17...

  • Page 6: Performance And Sizing Guidelines

    B. Performance and Sizing Guidelines NOTE: The table below describes the minimum BTU/H required to achieve the listed first hour rating. MODEL GROSS BOILER OUTPUT F Δ T F Δ T F Δ T SSU-20 84,000 SSU-30 102,000 SSU-30LB 113,000 SSU-45...

  • 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-20 SSU-30 SSU-30LB SSU-45 SSU-60 SSU-80 SSU-119 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

    *NOTE: To promote appliance service life, it is strongly D. Water Chemistry Requirements recommended to follow the maintenance procedures in this manual. Part 3 - Piping Chemical imbalance of the water supply may affect efficiency and cause severe damage to the appliance and associated equipment. A.

  • Page 9: Temperature And Pressure Relief Valve

    the tank and valve. If the tank is replacing a tankless coil in the boiler, disconnect coil plumbing and use the cold inlet pipe and hot water outlet pipes for the water heater. Do not thread a cap or plug into the relief valve or relief valve line under any circumstances! Explosion and property damage, serious D.

  • 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 8 - Zoning with Circulators Figure 7 - 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-83 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-83 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-83 Rev. 006 Rel. 005 Date 12.18.17...

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

    Item # Part # Description water heater T&P Relief Valve temperature setting of (SSU-20 - SSU-60 TP1500 F is recommended. and All DW Models) However, lower (Not Included with Water Heater) temperature setting T&P Relief Valve...

  • 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

    SSU Indirect Fired Water Heater / Solar Water Heater G. It is expressly agreed between HTP and the Owner that repair, Limited Warranty replacement, or refund are the exclusive remedies of the Owner. For Residential and Commercial Use OWNER RESPONSIBILITIES...
  • Page 22 NOT LIMITED TO, PROPERTY DAMAGE, LOST PROFIT OR DAMAGES between 6.5 and 8.5. Operating temperatures not exceeding 140 ALLEGED TO HAVE BEEN CAUSED BY ANY FAILURE OF HTP TO MEET ANY Hardness less than 12 grains (200 mg/L). Chloride concentration less OBLIGATION UNDER THIS AGREEMENT INCLUDING THE OBLIGATION than 100 ppm (mg/L).

  • 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:

Ssu-30Ssu-60Ssu-80Ssu-119Ssu-45cSsu-30lb ... Show all

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