HTP SUPERSTOR ULTRA MAX MSSU SE Series Installation Manual

HTP SUPERSTOR ULTRA MAX MSSU SE Series Installation Manual

Indirect fired water heaters

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Installation
Start-Up
Maintenance
Parts
Warranty
For Residential and Commercial Use
MSSU SE Models*
*SE Denotes Back-Up Electric Element
Example Model Number: MSSU-80NSE
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.
NOTE TO CONSUMER: PLEASE KEEP ALL INSTRUCTIONS FOR FUTURE REFERENCE.
272 Duchaine Blvd.
HTP reserves the right to make product changes or updates
without notice and will not be held liable for typographical
errors in literature.
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.
New Bedford, MA 02745
U
L
MAX
T
R
A
®
Indirect Fired Water Heaters
Solar Supplement
www.htproducts.com
lp-784 Rev. 000 Rel. 000 Date 5.28.21

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Summary of Contents for HTP SUPERSTOR ULTRA MAX MSSU SE Series

  • Page 1 *SE Denotes Back-Up Electric Element Example Model Number: MSSU-80NSE HTP reserves the right to make product changes or updates This manual must only be used by a qualified installer / without notice and will not be held liable for typographical service technician.
  • Page 2: Table Of Contents

    AHJ. M. Heating Element Replacement Procedure Part 4 - Service / Maintenance Procedures NOTE: HTP reserves the right to modify product technical specifications A. Shutdown Procedures and components without prior notice. B. Vacation Shutdown For the Installer C.
  • Page 3: Part 1 - General Safety Information

    NOTE: System performance and efficiency varies with factors such connections should be secured with 95/5 lead-free solder. Use only as: household hot water load, ambient air temperature, collector/ pipe rated for 250 F minimum on both the collector return and supply roof pitch, collector orientation, and seasonal intensity.
  • Page 4: Water Temperature Adjustment

    water mix must not exceed 50%, unless the manufacture specifies E. Water Temperature Adjustment that a different ratio is recommended for use with solar water heaters. An ASSE 1017 rated mixing valve to avoid severe burns or death from Glycol may need to be changed periodically (every 3-5 years) to scalding temperatures IS REQUIRED PER SRCC OG-300.
  • Page 5: Specifications And Dimensions

    RECOMMENDED SERVICE CLEARANCES ZERO CLEARANCE Filled hot water storage tanks are very heavy, and should be located in areas that can structurally support such weight. Failure to properly locate water storage tanks could result in property damage, personal injury, or death. 6"...
  • Page 6: Part 3 - Piping

    recommended and additional, more frequent maintenance may be Part 3 - Piping required. The design and installation of the solar water heating system should If you suspect that your water is contaminated in any way, be done by qualified individuals. It is important that good design discontinue use of the appliance and contact an authorized and installation practices be followed to assure that your system will technician or licensed professional.
  • Page 7: Potable Water Piping Application

    return line should be approximately 5 – 12 F warmer than the water in the collector supply line. Compare the temperature readings in the two line thermometers. The ¾” cold water supply line to the storage tank must be insulated with a minimum 7/8” x ½” pipe insulation to a minimum distance of 5’...
  • Page 8: Applications

    F. Applications Figure 4 - Solar Water Heater with Electric Back-Up FIGURE NOTES: 1. This drawing is meant to show system piping concept only. The installer is responsible for all equipment and detailing by local codes. 2. Antifreeze, non-potable HTF shall be used for the solar heat exchanger circuit only. Never introduce antifreeze solution to any connection other than the solar loop.
  • Page 9: Circulator Sizing

    G. Circulator Sizing I. Filling the Water Heater The circulator pump must be sized for the related piping and pressure drop of the heat exchanger, and for situations specific to your solar system. The following graph represents the pressure drop When filling the water heater, open a hot water tap to release air in of the solar heat exchanger.
  • Page 10: Thermostat Adjustment And Eco Reset

    IF YOU NEED TO ADJUST THERMOSTAT(S) OR RESET THE ECO (RED RESET BUTTON) Step #1 - Turn off power to the water heater by removing fuse or shutting off at circuit breaker. Step #2 - Remove the two screws that hold the access cover in place.
  • Page 11: Part 4 - Service / Maintenance Procedures

    Step #8 - Open the main cold water inlet. If the water heater has stainless steel and the hex plug be made of brass. This replacement part is available from HTP and should not be purchased from outside been isolated from the system, open the valves. Refill the tank with cold water.
  • Page 12: Shutdown Procedures

    A. Shutdown Procedures To isolate the water heater, simply shut down supply water shut off For your safety, DO NOT attempt repair of electrical wiring, valve which isolates the water heater from the pressurized cold water thermostat, heating element or other operating controls. Refer supply.
  • Page 13 Problem Reason Remedy 1. Improper Wiring Rewire per Wiring Diagram 2. No Power - Blown Fuse or Tripped Circuit Breaker a. Shorted Wiring a. **Replace or repair b. Circuit Overloaded b. **Provide adequate circuit or reduce load c. Improper Wiring c.
  • Page 14: Part 6 - Replacement Parts

    Figure 11 - Replacement Parts, SE Models NOTE: If the heating element needs replacement, it is VERY important to use the same voltage, wattage, and construction. Use only HTP elements. Failure to do so may lead to early element and/or water heater failure, and WILL VOID the warranty.
  • Page 15: Customer Installation Record Form

    Customer Installation Record Form The following form should be completed by the installer 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...

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