HTP Phoenix 7100P-124 Installation Start-Up Maintenance Parts
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HTP Phoenix 7100P-124 Installation Start-Up Maintenance Parts

Light commercial gas fired water heaters
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Installation
Start-Up
Maintenance
Parts
Warranty
PH76* Models
* "LP" Denotes Propane Gas
"S" Denotes Solar Model
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.
Improper installation, adjustment, alteration, service, or maintenance could void product warranty and cause property
damage, severe personal injury, or death.
California Proposition 65 Warning: This product contains chemicals known to the State of California to cause cancer, birth
defects, or other reproductive harm.
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.
NOTE TO CONSUMER: PLEASE KEEP ALL INSTRUCTIONS FOR FUTURE REFERENCE.
272 Duchaine Blvd.
Light Commercial
Gas Fired Water Heaters
New Bedford, MA 02745
Phoenix
www.htproducts.com
lp-441 Rev. 002 Rel. 008 Date 8.23.18

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Summary of Contents for HTP Phoenix 7100P-124

  • Page 1 California Proposition 65 Warning: This product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. 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 WARNING: If the information in these instructions is not followed exactly, a fire or explosion may result causing property damage, personal injury or death. • Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance. WHAT TO DO IF YOU SMELL GAS •...
  • Page 3 AHJ. DANGER indicates an imminently hazardous situation which, if NOTE: HTP reserves the right to modify product technical specifications not avoided, will result in serious personal injury or death. and components without prior notice.

  • Page 4: Table Of Contents

    D. Potable Expansion Tank E. Temperature and Pressure Relief Valve F. Scalding From the Uniform Plumbing Code 2000 - Section 510 - G. Filling the Heater Protection From Damage H. Applications 1. Water heaters generating a glow, spark or flame capable of igniting Part 5 - Venting flammable vapors may be installed in a garage, provided the pilots, A.

  • Page 5: Part 1 - General Safety Information

    Act of God, and IS NOT covered under product location. warranty. Altering any HTP water heater with parts not manufactured by Failure of the water heater due to freeze related damage IS NOT HTP WILL INSTANTLY VOID the water heater warranty and could covered by product warranty.

  • Page 6: High Elevation Installations

    Condensate neutralizers are made up of lime crystals, marble, or phosphate chips. Neutralizers can be More than 5 minutes installed in the field by the installer and purchased from HTP (p/n 1 1/2 to 2 minutes 7450P-212).

  • Page 7: Locating The Water Heater

    A. Locating the Water Heater The service life of the water heater’s exposed metallic surfaces, such as the casing, as well as internal surfaces, such as the heat This water heater is certified for indoor use only. DO NOT INSTALL exchanger, are directly influenced by proximity to damp and salty OUTDOORS.

  • Page 8: Clearances For Service Access

    C. Clearances for Service Access The space must be provided with correctly sized combustion/ ventilation air openings for all other appliances located in the The space must be provided with combustion / ventilation air space with the water heater. For power venting installations using openings correctly sized for all other appliances located in the same room air for combustion, refer to the venting section, this manual, space as the heater.

  • Page 9: Carbon Monoxide Detectors

    heater. If the water heater is installed in areas where indoor air is contaminated (see Table 2) it is imperative that the water heater be installed as direct vent so that all combustion air is taken directly Do not attempt to vent this water heater by any means other than from the outdoors into the water heater intake connection.

  • Page 10: Water Chemistry Requirements

    3. If practical, close all building doors, windows, and doors between the recommended and additional, more frequent maintenance may be space in which the water heater remains connected to the common required. venting system and other spaces in the building. Turn on clothes If you suspect that your water is contaminated in any way, dryers and any appliances not connected to the common venting discontinue use of the appliance and contact an authorized...

  • Page 11: Part 4 - Piping

    Figure 3 - Water Heater Dimensions - NOTE: All Dimensions Are Approximate Performance Specifications for Phoenix Light Duty Models Temperature Rise in Degrees Fahrenheit (F) and Celsius (C) BTU/Hr Efficiency (°F) (°C) 76,000 Table 3 - Recovery on Rating Plate is based at 97% Thermal Efficiency at 70 Fahrenheit rise, as required by ANSI Part 4 - Piping Failure to follow the instructions in this section WILL VOID the...

  • Page 12: Heater Plumbing

    Undersized expansion tanks cause system water to be lost from the Dielectric unions or galvanized steel fittings must not be used in a relief valve, causing make-up water to be added. Eventual heater system with this water heater. Doing so WILL VOID the warranty. Use failure can result due to excessive make-up water addition.

  • Page 13: Scalding

    G. Filling the Heater FAILURE TO RE-INSPECT THE T&P VALVE AS DIRECTED COULD RESULT IN UNSAFE TEMPERATURE AND/OR PRESSURE BUILD- The water heater must be full of water and the system fully purged UP WHICH CAN RESULT IN PROPERTY DAMAGE, SERIOUS BEFORE powering the water heater.

  • Page 14: Applications

    H. Applications Figure 4 - Piping with Recirculation Line and Thermostatic Mixing Valve Piping 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 15 Figure 5 - Piping with Air Handler on Side Figure 6 - Additional View with Air Handler on Side 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 16: Part 5 - Venting

    Part 5 - Venting The heater must be vented as detailed in this section. Ensure exhaust vent and intake piping complies with these instructions regarding vent system. Inspect finished exhaust vent and intake piping thoroughly to ensure all joints are well secured, airtight, and comply with all applicable code requirements, as well as the instructions provided in this manual.

  • Page 17: Approved Materials For Exhaust Vent And Intake Pipe

    B. Approved Materials for Exhaust Vent and Intake Pipe Standards for Installation In: Item Material United States Canada Pipe and Fittings Approved ABS* ANSI/ASTM D2661 NOT PERMITTED for Intake ONLY PVC Schedule 40/80 ANSI/ASTM D1785 PVC, CPVC, and PP Venting Must PVC-DWV Schedule 40/80 ANSI/ASTM D2665 be ULC-S636 Certified.

  • Page 18: Exhaust Vent And Intake Pipe Location

    D. Exhaust Vent and Intake Pipe Location INSIDE CORNER DETAIL FIXED OPERABLE CLOSED FIXED CLOSED OPERABLE LP-179-CC 03/28/17 Exhaust Vent Terminal Intake Pipe Terminal Area Where Intake Terminal Is Not Permitted Figure 7 - Exit Terminals for Direct Vent Systems - ANSI Z223.1 / NFPA 54 for US and CAN/CSA B149.1 for Canada DESCRIPTION CANADA Clearance above grade, veranda, porch, deck, or balcony...

  • Page 19: Exhaust Vent And Intake Pipe Sizing

    E. Exhaust Vent and Intake Pipe Sizing G. Exhaust Vent and Intake Pipe Installation 1. The exhaust vent and intake pipe size is 2”. 2. The total equivalent length of exhaust vent and intake pipe should not exceed 150 feet. All joints of positive pressure vent systems must be sealed completely a.

  • Page 20: Applications

    However, for piping with a diameter exceeding two inches, said lettering does not need to be larger than two inches. The following table lists optional exhaust/intake terminations available from HTP: Description Stock Code 2” PVC Concentric Termination Kit KGAVT0501CVT 3”...
  • Page 21 TWO PIPE ROOF VENTING WITH TEE (INTAKE) Sidewall Venting AND COUPLING (EXHAUST) with Kit EXTERIOR WALL INSERT INLET/EXHAUST VENT KIT STRAIGHT SCREEN INTO 24" MIN. COUPLING STRAIGHT COUPLING INSERT INLET/EXHAUST SCREENS INTO EXHAUST EACH END OF TEE 12" OVER MAXIMUM SNOW LEVEL OR 24"...
  • Page 22 UNBALANCED VENTING WITH TEE (INTAKE) AND COUPLING (EXHAUST) EXHAUST Figure 11 - Unbalanced Venting - Roof Exhaust and Sidewall Intake NOTE: These drawings are meant to demonstrate system venting only. The installer is responsible for all equipment and detailing required by local codes.

  • Page 23: Venting Through An Existing System

    NOTE: The following instructions refer only to venting through an This heater may be vented through an existing unused vent system. existing vent system, and not to venting with HTP’s optional concentric The inner diameter of the existing vent system is utilized for the vent kits.

  • Page 24: Power Venting, Indoor Combustion Air In Confined Or Unconfined Space

    3. Power Venting, Indoor Combustion Air in Confined or Unconfined Space This heater requires fresh, uncontaminated air for safe operation and must be installed in a mechanical room where there is adequate combustion and ventilating air. NOTE: To prevent combustion air contamination, see Table 2.

  • Page 25: Part 6 - Condensate Removal

    If the heater condensate outlet is lower than the drain, you must use a condensate removal pump (kit p/n 554200 available from HTP). Power to the optional condensate pump is continuous. When the If required by local authorities, a condensate filter of lime crystals, water heater is powered off the condensate pump will remain on.
  • Page 26 Figure 16 - Removing and Installing the Condensate Neutralizer - Water Heaters Manufactured Prior to 9/27/17 ONLY lp-441 Rev. 002 Rel. 008 Date 8.23.18...

  • Page 27: Part 7 - Wiring

    Ensure the power HTP offers an outdoor sensor, p/n 7250P-319. remains off while any wiring connections are being made. Failure The outdoor sensor must be a 12K NTC sensor. Use a minimum 22...

  • Page 28: Internal Wiring Diagram

    INTERNAL CONNECTION DIAGRAM D. Internal Wiring Diagram X4-1 GROUND WHITE X4-2 BLOWER TACH PINK X4-3 BLOWER 24VDC ORANGE BLOWER PWM X4-4 GAS VALVE X4-5 X4-6 PINK BLACK WHITE X4-7 BLACK GREEN COMBUSTION BLOWER UPPER TEMP SENSOR 1 X5-1 GREY X5-2 GREY/WHITE UPPER TEMP SENSOR 2 X5-3...

  • Page 29: Gas Pipe Sizing Tables

    water heater has a flanged connection to the swirl plate and blower. UL recognized fuel gas detectors are recommended in all enclosed propane and natural gas applications where there is a potential for an explosive mixture of fuel gas to accumulate. The installation of these detectors should be made in accordance with the detector manufacturer’s recommendations, and/or local laws.

  • Page 30: Gas Valve

    C. Gas Valve Figure 21 - Gas Valve Strain on the gas valve and fittings may result in vibration, premature Do not fire (operate) the water heater until all connections have component failure and gas leakage, and cause fire, explosion, been completed and the heat exchanger is filled with water.

  • Page 31: Part 9 - Controls

    Part 9 - Controls A. Control and Display Overview Burner Power Indicator Economy Mode 3 Digit Display Detailed Description of Button Functions 1. Adjust Setting Down Test Mode or Temp in Fahrenheit (F) 2. Adjust Setting Up Time for Service or Celsius (C) 3.

  • Page 32: Basic Control Functions

    Water heater Blocking codes temporarily stop water heater operation until the error operation resumes condition clears. Once the condition clears, the error will disappear and the Blocking Error Codes water heater will resume operation. The error will also be written into the when conditions water heater’s history data.

  • Page 33: Technical Service And Navigation

    2. Technical Service and Navigation The Technical Service Menu ( ) is the initial menu to appear when entering Installer Mode. Technical Service Parameters allow the installer to fully customize water heater settings to the system. To enter Installer Mode, press and hold for five seconds.

  • Page 34: History Mode And Navigation

    3. Reset Mode and Navigation Press at this screen to access the Inquiry Mode codes (i00, i01, Reset Mode ( ) allows the installer to reset and clear water etc.) To view code value, press once. The value will appear. heater history.

  • Page 35: Test Mode

    4. Adjust the temperature set point of the heater to the desired level. C. Maintenance The factory default setting is 120 F. If changes are necessary, follow The control system requires no periodic maintenance under normal “Basic Control Functions” in this manual. conditions.

  • Page 36: Part 11 - Shutdown

    Allowing the heater to operate with a dirty combustion chamber will The water heater must be full of water and the system fully purged BEFORE powering the water heater. Performing any work in the hurt operation. Failure to clean the heat exchanger as needed by the installation location could result in heater failure, property damage, plumbing system without either powering off the water heater or isolating the water heater through the use of shut-off valves...
  • Page 37 The water heater has wire function labels on all internal wiring. Observe the position of each wire before removing it. Wiring errors may cause improper and dangerous operation. Verify proper operation after servicing. Control Board Blocking Errors Code Short Description Long Description Corrective Action 1.
  • Page 38 Code Short Description Long Description Corrective Action 1. Manually reset the water heater. 2. Observe water heater operation. If fault code occurs again: 3. Check the Dual Temperature Sensor. Ensure it is properly wired to the control, and that there are no breaks, cuts, or other visible issues with the sensor wire.
  • Page 39 Code Short Description Long Description Corrective Action 1. Manually reset the water heater. 2. Observe water heater operation. If fault code occurs again: 3. Check the Dual Temperature Sensor. Ensure it is properly wired to Dual Temperature Sensor A is out of the control, and that there are no breaks, cuts, or other visible issues Dual Temperature Sensor A normal operating range, meaning...

  • Page 40: Part 13 - Installation Checklist

    Part 13 - Installation Checklist Before Installing Is there enough space to ensure proper installation? Does installation location allow for proper service clearances? Are water and gas lines properly sized and set at proper pressures for the installation? Is water heater location as near the exhaust vent / intake pipe terminations as possible? Have combustible materials been cleared from the installation location? Is there a drain close to the water heater? Water Piping...

  • Page 41: Part 14 - Maintenance

    Start-Up, Adjust, and Test Has the water heater been started? If necessary, has the water heater gas valve been adjusted? Has the installation been customized per installation location requirements? Have all customized system parameters been tested? Has proper water heater operation been confirmed? Final Installation Approvals Signed by Technician Date...
  • Page 42 Inspection Activities Date Last Completed Piping 1st Year 2nd Year 3rd Year 4th Year* Check heater and system piping for any sign of leakage; make sure Near heater piping pipes are properly supported. Check condition of all vent pipes and joints. Ensure the vent piping Vent terminations are free of obstructions and blockages.

  • Page 43: Part 15 - Replacement Parts

    Part 15 - Replacement Parts Figure 27 - Replacement Parts Description Part Number " 2 " 2 " 2 " 2 LP-441-Q 03/17/17 HOSE - PRESSURE SWITCH/GAS VALVE 7000P-805 Figure 28 - Condensate System Replacement Parts - Water Heaters Manufactured Prior to 9/27/17 ONLY lp-441 Rev.
  • Page 44 LP-441-Q 09/26/17 REPLACEMENT REPLACEMENT ITEM # ITEM # DESCRIPTION DESCRIPTION PART # PART # GASKET - BURNER MOUNTING PLATE GASKET - BURNER MOUNTING PLATE 7700P-017 7700P-017 GAS LINE - FLEXIBLE 1/2" 7100P-140 BURNER MOUNTING PLATE BURNER MOUNTING PLATE 7700P-016 7700P-016 AIR INLET 7500P-189 SCREWS - 5/16-18 - BURNER MOUNTING PLATE...

  • Page 45: Limited Warranty

    Standard Residential Use shall mean water heaters not registered online with federal, state, and local codes and in installations prone to vacuum with HTP used in a single family dwelling, or usage in a multiple family related damages. dwelling, provided that the water heater services only one (1) dwelling in 3.
  • Page 46 During the claims process a product that must be replaced will be given a 17. Damages, malfunctions, or failures caused by abuse, accident, fire, flood, designation of either a) field scrap, or b) return to HTP. If the product must freeze, lightning, electrochemical reaction, acts of God and the like.

  • Page 47: Maintenance Notes

    Maintenance Notes lp-441 Rev. 002 Rel. 008 Date 8.23.18...

  • Page 48: 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...

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