HTP Elite EL-80 Installation & Start-Up Manual

HTP Elite EL-80 Installation & Start-Up Manual

Elite series
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Table of Contents

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Elite
INSTALLATION
START-UP
MAINTENANCE
PARTS
Models*
EL-80 / 110 / 150 / 220 / 299 / 301 / 399
*A suffix of "LP" denotes propane gas
*A suffix of "N" denotes natural gas
Heat Exchanger Bears the ASME "H" Stamp
This manual must only be used by a qualified heating installer/service technician. Read all instructions in this manual before installing.
Perform steps in the order given. Failure to comply could result in substantial property damage, severe personal injury, or death.
NOTICE: 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.
120 Braley Rd. P.O. Box 429
East Freetown, MA 02717-0429
www.htproducts.com
LP- 293 REV. 9.2.14

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Do you have a question about the Elite EL-80 and is the answer not in the manual?

Questions and answers

Randy Lamers
February 21, 2025

How do you put the system in manual mode?

1 comments:
Mr. Anderson
May 14, 2025

To put the HTP EL-80 system in Test Mode (manual mode):

1. Press the UP ARROW (^) and ENTER buttons simultaneously to enter Test Mode.
2. The boiler will operate in manual mode for 20 minutes.
3. To exit Test Mode, press the UP ARROW (^) and DOWN ARROW (v) simultaneously.

This answer is automatically generated

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Summary of Contents for HTP Elite EL-80

  • Page 1 Perform steps in the order given. Failure to comply could result in substantial property damage, severe personal injury, or death. NOTICE: 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 IF THE INFORMATION IN THIS MANUAL IS NOT FOLLOWED EXACTLY, A FIRE OR EXPLOSION MAY RESULT, CAUSING PROPERTY DAMAGE, PERSONAL INJURY, OR LOSS OF LIFE. DO NOT STORE 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: For The Installer

    In some circumstances, the property owner or his/her agent assumes the role, and at government installations, the commanding officer or departmental official may be the AHJ. NOTE: HTP, Inc. reserves the right to modify product technical specifications and components without prior notice. FOR THE INSTALLER This manual must only be used by a qualified heating installer/service technician.
  • Page 4 NOTICE IMPORTANT In accordance with Section 325 (f) (3) of the Energy Policy and Conservation Act, HTP, Inc. has provided this boiler with multiple features designed to save energy by reducing the boiler water temperature as heating load decreases. These features include: ...
  • Page 5: Table Of Contents

    C. GAS ......................................8 D. WHEN SERVICING THE BOILER.............................. 8 E. BOILER WATER..................................8 F. BOILER WATER CHEMISTRY* ..............................8 G. FREEZE PROTECTION FLUIDS ............................... 9 PART 2 – BEFORE YOU START ..............................9 A. WHAT’S IN THE BOX ................................. 9 B.
  • Page 6 E. EXHAUST VENT AND INTAKE PIPE SIZING .......................... 33 F. LONGER VENT RUNS ................................33 G. EXHAUST VENT AND INTAKE PIPE INSTALLATION ......................34 H. VENTING DRAWINGS ................................35 1. DIRECT VENT INSTALLATION OF EXHAUST VENT AND INTAKE PIPE ................35 2.
  • Page 7 BOILER START-UP REPORT ..............................80 MAINTENANCE REPORT ................................. 80 MAINTENANCE NOTES ................................. 84 HTP CUSTOMER INSTALLATION RECORD FORM ........................85 PART 1 – GENERAL SAFETY INFORMATION A. PRECAUTIONS This appliance is for indoor installations only. Clearance to combustible materials: 0” top, bottom, sides and back. Left side has all boiler mechanical connections.
  • Page 8: Gas

    Due to the low water content of the boiler, improper sizing of the boiler with regard to heating system load will result in excessive cycling and accelerated component failure. HTP DOES NOT warrant failures caused by improperly sized boiler applications. DO NOT oversize the boiler to the system.
  • Page 9: Freeze Protection Fluids

    Consider boiler piping and installation when determining boiler location. NOTE: Damages resulting from incorrect installation or from use of products not approved by HTP, Inc. ARE NOT covered by warranty. PART 2 – BEFORE YOU START A.
  • Page 10: Optional Equipment

    The Vision II also controls the output temperature of the boiler to assure accurate temperature delivery to all connected zones. C. OPTIONAL EQUIPMENT Below is a list of optional equipment available from HTP. These additional options may be purchased through your HTP distributor:  Wall Mount Bracket (Part # 7450P-211) ...
  • Page 11: Part 3 - Prepare Boiler Location

     Condensate Neutralizer (Part # 7450P-212 for EL-80/110/150/220/299/301, Part # 7350P-611 for EL-399)  Flow Switch Kit (Part # 7450P-213 for EL-80/110/150/220, Part # 7450P-214 for EL-299/301, Part # 7450P-215 for EL-399)  Vision II (Part # 7250P-322) NOTE: When using an optional system sensor, pipe insulation must be wrapped around it to improve temperature measurement accuracy and increase overall system efficiency.
  • Page 12: Leveling And Dimensions

    4. Gas control system components must be protected from dripping water during operation and service. 5. If the boiler is to replace an existing boiler, check for and correct any existing system problems, such as:  System leaks  Location that could cause the system and boiler to freeze and leak. ...
  • Page 13 Figure 3 - LP-285-B LP- 293 REV. 9.2.14...
  • Page 14: Residential Garage Installation

    Figure 4 D. RESIDENTIAL GARAGE INSTALLATION PRECAUTIONS If the boiler is located in a residential garage, per ANSI Z223.1:  Mount the bottom of the boiler a minimum of 18” above the floor of the garage, to ensure the burner and ignition devices are well off the floor.
  • Page 15: Direct Vent Installation Of Exhaust Vent And Intake Pipe

    Failure to vent the appliance properly will result in serious personal injury or death. Vents must be properly supported. Appliance exhaust and intake connections are not designed to carry heavy weight. Vent support brackets must be within 1’ of the appliance and the balance at 4’ intervals. Appliance must be readily accessible for visual inspection for the first 3’...
  • Page 16: Removing A Boiler From A Common Vent System

    Ensure that the intake air will not contain any of the contaminants below. For example, do not pipe intake near a swimming pool. Avoid areas subject to exhaust fumes from laundry facilities. These areas always contain contaminants. Contaminated air will damage the boiler, resulting in possible substantial property damage, severe personal injury, or death.
  • Page 17: Uncrating The Boiler

    Plumbing of this product should only be done by a qualified, licensed plumber in accordance with all local plumbing codes. The boiler may be connected to an indirect water heater to supply domestic hot water. HTP offers indirect water heaters in a wide range of gallon sizes in either stainless steel or glass-lined construction.
  • Page 18: Backflow Preventer

    All piping methods shown in this manual use primary/secondary connection to the boiler loop. This is to avoid the possibility of inadequate flow through the boiler. For other piping methods, consult your HTP representative or refer to separate Piping Details, Section J, in this manual.
  • Page 19: Circulators

    On a boiler installed above radiation level, some states and local codes require a low water cut off device, which is an optional part available through HTP (Part # 7450P-225). Check with local codes for additional requirements. If the boiler supplies hot water to heating coils in air handler units, flow control valves or other devices must be installed to prevent gravity circulation of boiler water in the coils during the cooling cycle.
  • Page 20 Mixing valves are required for the protection of low temperature loops. NOTE: In piping applications utilizing a single zone, it is recommended that the installer use flow / check valves with weighted seats at or near the appliance to prevent gravity circulation. Figure 6 –...
  • Page 21 Figure 7 – LP-293-Q NOTES: 1. This drawing is meant to show system piping concept only. 2. A mixing valve is recommended if the DHW temperature is set above 119 3. Install a minimum of 12 diameters of straight pipe upstream of all circulators. 4.
  • Page 22 Figure 8 – LP-293-O NOTES: 1. This drawing is meant to show system piping concept only. 2. Install a minimum of 12 diameters of straight pipe upstream of all circulators. 3. Piping shown is Primary/Secondary. 4. System flow (secondary loop) should be greater than the boiler primary loop flow. In all cases, the boiler primary loop flow rate must be maintained above the minimum flow rates published in this manual.
  • Page 23 Figure 9 – LP-293-P NOTES: 1. This drawing is meant to show system piping concept only. 2. Install a minimum of 12 diameters of straight pipe upstream of all circulators. 3. Piping shown is Primary/Secondary. 4. System flow (secondary loop) should be greater than the boiler primary loop flow. In all cases, the boiler primary loop flow rate must be maintained above the minimum flow rates published in this manual.
  • Page 24: Piping Installation

    In addition, the heat exchanger has a minimum total water volume that must be taken into account when sizing the circulator. Minimum flow rates are listed in the table below. MINIMUM BOILER FLOW RATES MODEL MINIMUM FLOW RATE (GPM) EL-80 EL-110 EL-150 EL-220 14.6...
  • Page 25 26 GPM 27 GPM 28 GPM 29 GPM 30 GPM 31 GPM 32 GPM 33 GPM 34 GPM 35 GPM 36 GPM 38 GPM 39 GPM EL-80 EL-110 EL-150 EL-220 21’ 23’ 24’ EL-299 16.5’ 18’ 20’ 22’ 24’ 26’...
  • Page 26: Check/Control Water Chemistry

    J. CHECK/CONTROL WATER CHEMISTRY NOTE: BOILER FAILURE DUE TO IMPROPER WATER CHEMISTRY IS NOT COVERED BY WARRANTY. Sodium less than 20 mGL Water pH between 6.0 and 8.0 1. Maintain boiler water pH between 6.0 and 8.0. Check with litmus paper or have chemically analyzed by water treatment company. 2.
  • Page 27: Fill And Purge Heating System

    Pressure relief valve: Factory supplied on Boiler. The pressure relief valve is sized to ASME specifications. Storage tank may require additional relief valves depending on local codes. MINIMUM PIPE SIZES 1” NPT or Copper EL 80/110/150/220 1 ¼” NPT or Copper EL 299/301 1 ½”...
  • Page 28: Zoning With Circulators

    N. ZONING WITH CIRCULATORS 1. When using circulator zoning, connect the boiler to the system as shown in Piping Details, Part 4, Section G. NOTE: The boiler circulator cannot be used for a zone. It must only supply the boiler loop. 2.
  • Page 29: Approved Materials For Exhaust Vent And Intake Pipe

    When installing AL29-4C vent piping, install a PVC-to-stainless adapter at the boiler vent connection, and at the termination when using an HTP PVC termination kit. DO NOT mix AL-29-4C piping from different manufacturers unless using adapters specifically designed for the purpose by the manufacturer.
  • Page 30: Exhaust Vent And Intake Pipe Location

    3. The components of the certified vent system must not be interchanged with other vent systems or unlisted pipe / fittings. Cellular foam core piping may be used on air inlet piping only. NOTE: The use of double-wall vent or insulated material for the air inlet is recommended in cold climates to prevent the condensation of airborne moisture in the incoming combustion air.
  • Page 31 Condensate from the boiler is slightly acidic with a pH of 3.2 - 4.5. To avoid long term damage to the drainage system and to meet local code requirements, HTP recommends neutralizing the condensate with a Condensate Neutralizer Kit (Part # 7450P-212 for EL- 80/110/150/220/299/301, Part # 7350P-611 for EL-399).
  • Page 32 Figure 12 – Condensate Piping NOTES: 1. Condensate line must be pitched at least 1/4" per foot to properly drain. If this cannot be done, or a very long length of condensate hose is used, you must increase the condensate line to a minimum of 1” ID and place a tee in the line after the condensate neutralizer to properly reduce vacuum lock in the drain line.
  • Page 33: Exhaust Vent And Intake Pipe Sizing

    The size of venting can also be reduced in order to accommodate existing vent sizes. When reducing down to a 2” vent from a 3” vent on Elite EL-80/110/155/220 models, or a 3” vent from a 4” vent on EL-299/301/399, the total equivalent length shall not exceed 100 equivalent feet.
  • Page 34: Exhaust Vent And Intake Pipe Installation

    14. A screened straight coupling is provided with the appliance for use as an outside exhaust termination. 15. A screened inlet air tee is provided with the appliance to be used as an outside intake termination. The following information on Table 12 lists optional exhaust/intake terminations available from HTP: LP- 293 REV. 9.2.14...
  • Page 35: Venting Drawings

    DESCRIPTION STOCK CODE 3” PVC CONCENTRIC VENT TERMINATION KIT KGAVT0601CVT 3” STAINLESS STEEL VENT TERMINATION KIT V1000 4” STAINLESS STEEL VENT TERMINATION KIT V2000 6” STAINLESS STEEL VENT TERMINATION KIT V3000 3” POLYPRO VENT KIT 8400P-001 Table 12 H. VENTING DRAWINGS 1.
  • Page 36 Figure 15 – Venting with Optional Kits (NOT INCLUDED WITH THE WATER HEATER) NOTE: These drawings are meant to demonstrate system venting only. The installer is responsible for all equipment and detailing required by local codes. All vent pipes must be glued, properly supported, and the exhaust must be pitched a minimum of ¼” per foot back to the heater to allow drainage of condensate.
  • Page 37 Figure 16 – Vertical Venting NOTE: Drawing is meant to demonstrate system venting ONLY. All vent pipes must be glued, properly supported, and the exhaust must be pitched a minimum of ¼” per foot back to the boiler to allow drainage of condensate.
  • Page 38 Figure 17 – LP-293-T – Unbalanced Flue/Vertical Vent - NOTE: Drawing is meant to demonstrate system venting ONLY. All vent pipes must be glued, properly supported, and the exhaust must be pitched a minimum of ¼” per foot back to the boiler to allow drainage of condensate.
  • Page 39: Venting Through An Existing System

    Figure 18 – Horizontal Venting - NOTE: Drawing is meant to demonstrate system venting ONLY. NOTES: A. For every 1” of overhang, the exhaust vent must be located 1” vertical below overhang (overhang means top of building structure and not two adjacent walls [corner of building]). B.
  • Page 40 CONCENTRIC VENTING THROUGH AN EXISTING SYSTEM NOTE: The following instructions refer only to venting through an existing vent system, and not to venting with HTP’s optional concentric vent kits. Refer to Concentric Vent Kit installation manual (LP-166) for further information on venting with the optional concentric vent kits.
  • Page 41: Indoor Combustion Air Installation In Confined Or Unconfined Space

    3. INDOOR COMBUSTION AIR INSTALLATION 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 1. Combustion air from the indoor space can be used if the space has adequate area or when air is provided through a duct or louver to supply sufficient combustion air based on the water heater input.
  • Page 42 Figure 21 – 1, 21 - 2 NOTE: These drawings are meant to demonstrate system venting only. The installer is responsible for all equipment and detailing required by local codes. LP- 293 REV. 9.2.14...
  • Page 43: Part 6 - Gas Piping

    Failure to follow this warning could result in gas leakage, substantial property damage, severe personal injury, or death. The gas connection on the boiler is 3/4” for the EL-80/110/150 and 1” for the EL-220/299/301/399. It is mandatory that this fitting is used for connection to a field fabricated drip leg as shown in the illustration above per the National Fuel Gas Code.
  • Page 44: Check Inlet Gas Pressure

    Failure to apply pipe sealing compound as detailed above could result in substantial property damage, severe personal injury, or death. Never use an open flame (match or lighter) to check for gas leaks. Use a soapy solution to test connection. Failure to use a soapy solution test or check gas connection for leaks can result in substantial property damage, severe personal injury, or death.
  • Page 45: Boiler Gas Valve

    Figure 24 – LP-293-V Do not do a gas conversion on this boiler without an officially approved conversion kit and instructions supplied by HTP. Failure to use a conversion kit when converting the boiler to fire on Natural or LP gas will result in extremely dangerous burner operation, leading to fire, explosion, severe injury or death.
  • Page 46: Part 7 - Field Wiring

    PART 7 – FIELD WIRING To avoid electrical shock, turn off all power to the appliance prior to opening an electrical box within the unit. Ensure the power remains off while any wiring connections are being made. Failure to follow these instructions could result in component or product failure, serious injury, or death.
  • Page 47: Alarm Connections

    3. Connect the boiler pump as shown in Figure 26 to the terminals marked 1 – (HOT), 2 – (NEUT), and 3 – (GND). The connections shown are suitable for a maximum continuous pump draw of 3 amps at 120 volts. If the pump requires more current or voltage than the 120 volts supplied, an external motor starter or contactor will be required.
  • Page 48: Indirect Sensor

    There is no connection required if an indirect water heater is not used in the installation. 1. The boiler will operate an indirect fired water heater with either a thermostat type aquastat installed in the indirect tank or an HTP 7250P-325 tank sensor.
  • Page 49 Avoid running communication cables parallel and close to or against high voltage (120 volt or greater) wiring. HTP recommends that the maximum length of communication bus cables not exceed 200 feet.
  • Page 50: Cascade Master Pump And Sensor Wiring

    M. CASCADE MASTER PUMP AND SENSOR WIRING 1. Connect the system pump hot wire to the terminal marked 8. 2. Connect the system pump neutral to the 2 terminal and the pump ground wire to the 3 terminal. 3. Connect a jumper wire from the 120 VOLT terminal to the 9 terminal. 4.
  • Page 51 Figure 29 – Cascade Master and Follower LP- 293 REV. 9.2.14...
  • Page 52 Figure 30 LP- 293 REV. 9.2.14...
  • Page 53 Figure 31 LP- 293 REV. 9.2.14...
  • Page 54 Figure 32 LP- 293 REV. 9.2.14...
  • Page 55: Part 8 - Start-Up Preparation

    PART 8 – START-UP PREPARATION Thoroughly clean and flush any system that has used glycol before installing the boiler. Provide the customer with a material safety data sheet (MSDS) on the fluid used. A. CHECK / CONTROL WATER CHEMISTRY Chemical imbalance of your water can cause severe damage to your boiler and associated equipment, and may also affect efficiency. You may have to have your water quality professionally analyzed to determine whether you need to install a water softener.
  • Page 56: Check For Gas Leaks

    2. Freeze protection fluid must be replaced periodically due to degradation of inhibitors over time. Follow all fluid manufacturer instructions. NOTE: BOILER FAILURE DUE TO IMPROPER WATER CHEMISTRY IS NOT COVERED BY WARRANTY. B. CHECK FOR GAS LEAKS Before starting the boiler, and during initial operation, smell near the floor and around the boiler for gas odorant or any unusual odor. Remove boiler front door and smell interior of boiler enclosure.
  • Page 57: Check Thermostat Circuit(S)

    A condensate neutralizer, if required by local authorities, can be made up of lime crystals, limestone or phosphate chips that will neutralize the condensate. This may be done by the installer or you may purchase a condensate neutralizer from HTP (7450-212).
  • Page 58: Final Checks Before Starting Boiler

    If the condensate outlet on the appliance is lower than the drain, you must use a condensate removal pump, available from HTP (554200). This pump is equipped with two leads that can be connected to an alarm or another type of warning device to alert the user of a condensate overflow, which, if not corrected, could cause property damage.
  • Page 59: Part 9 - Start-Up Procedure

    this way, every boiler in the system has its individual safety controls intact and operational, even if the firing of the boiler is under control of the master boiler. PART 9 – START-UP PROCEDURE FOR YOUR OWN SAFETY READ BEFORE OPERATING 1.
  • Page 60: Operating Instructions

    The ENTER key is also used to enable a function for editing. After the user navigates to the desired function, the user would hold down the ENTER key for one second. When the ENTER key is released, the function value will begin to blink. The function can now be changed using the ▼▲...
  • Page 61: Programming The System Setting

    Function: Adjusts the indirect tank differential set point. Default: 7 F (Range: 1 F to 30 DHW DIFF SET POINT Function: Adjusts the temperature measurement in F = Fahrenheit to C = Celsius (Default is Fahrenheit). TEMP DISPLAY C OR F Table 16 –...
  • Page 62 Function 3 DHW Tank Max Temp This is the maximum temperature that can be selected for the DHW indirect tank set point in the boiler menu. DHW TANK MAX TEMP Default: 180 F (Range: 95 F to 180 Function 6 DHW Post Pump Time The indirect pump has the ability to post purge energy from the boiler to run the pump after the set point has been DHW POST PUMP TIME...
  • Page 63: Resetting The Maintenance Schedule

    Extra Boiler Mode EXTRA BOILER MODE Allows for a non HTP boiler to be controlled when the cascade output has risen above the percent of the cascade firing rate set in this parameter. Factory Default: Off (Range: 50% - 100%).
  • Page 64: Part 10 - Start-Up Procedures For The Installer

    Press the ▼ key once. This screen displays the domestic hot water temperature set point on the top line. The actual temperature measured by the tank or return line sensor (HTP 7250P-325) is displayed on the bottom line. If a mechanical DHW SET aquastat is used in place of the recommended sensor, the second line will display ‘OFF’...
  • Page 65 Press the ▼ key once. FLAME 0.0uA This screen displays the boiler flame current on the top line. The second line displays the fan speed in the boiler. FAN SPEED 3497 RPM Press the ▼ key once. 0-10 V 0.0 V The top line displays the voltage on the optional input.
  • Page 66: Cascade Menu

    B. CASCADE MENU This menu is accessed by pressing the  key from the default menu or the  key from the status menu. SCREEN DESCRIPTION This screen tells the user that the boiler is configured as a Cascade Master Boiler and that the cascade CASCADE MASTER READY system is ready to accept a demand for heat.
  • Page 67: Part 11 - Troubleshooting

    ELITE FAN SPEEDS MODEL IGNITION 3000 1700 4600 3800 1700 4950 3800 1700 5200 3000 1450 4900 299/301 3000 1450 5000 3000 1600 6650 Table 26 PART 11 – TROUBLESHOOTING A. BOILER ERROR CODE If any of the sensors detect an abnormal condition, or an internal component fails during the operation of the boiler, the display may show an error message and error code.
  • Page 68: User Interface Display

    This appliance 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. If overheating occurs, or the gas supply fails to shut off, do not turn off electrical power to the circulating pump. This may aggravate the problem and increase the likelihood of boiler damage.
  • Page 69 Fault Code LOU 1. Check line voltage. It must be between 100 and 128 volts. 2. If available, connect PC, and using HTP service software check the 24v supply display in the lower left corner of the screen. The number displayed here must be greater than 128 and should be no greater than 250.
  • Page 70 Fault Code F03 This display indicates that the return temperature 1. Check circulator pump operation. sensor of the boiler has failed. This code indicates 2. Assure that there is adequate flow through the a serious safety issue and the boiler will not boiler by accessing the status menu and assuring restart until the sensor is replaced by a technician that there is less than a 50°F rise from the return...
  • Page 71 Figure 33 Fault Code F10 1. Monitor the gas pressure to the boiler while in operation. 2. Assure that the flame is stable when lit. 3. Check to see if the display readout changes from “GAS VALVE ON” to “RUN” within a few seconds The flame was lost while the boiler was firing 3 after the boiler ignites.
  • Page 72 Fault Code F20 The condensate trap is full. The red light will 1. Check condensate lines for obstructions. display and the word LOCKOUT will flash. This 2. Check float switch in condensate reservoir. code indicates a serious safety issue. The boiler 3.
  • Page 73: Part 12 - Maintenance

    Table 28 PART 12 – MAINTENANCE A. MAINTENANCE PROCEDURES Periodic maintenance should be performed once a year by a qualified service technician to assure that all the equipment is operating safely and efficiently. The owner should make necessary arrangements with a qualified heating contractor for periodic maintenance of the boiler.
  • Page 74: Combustion Chamber Coil Cleaning Instructions For Boiler

    The combustion chamber insulation in this product contains ceramic fiber material. Ceramic fibers can be converted to cristobalite in very high temperature applications. The International Agency for Research on Cancer (IARC) has concluded, “Crystalline silica inhaled in the form of quartz or cristobalite from occupational sources is carcinogenic to humans (Group 1).”...
  • Page 75: Cleaning Water Side Of Heat Exchanger

    4. Spray the coils with clear water, making sure to confine the spray to the area being cleaned (Try to avoid getting the back ceramic wall of the appliance wet). Flush the combustion chamber with fresh water until it runs clear from the condensate. At this point, the boiler should be ready to be re-assembled.
  • Page 76 3. Remove the bottom cap from the condensate trap. 4. Flush trap with fresh water to remove debris from the trap. NOTE: Ensure the float moves freely within the trap. If the float does not move, DO NOT reinstall the trap. 5.
  • Page 77 Figure 36 LP- 293 REV. 9.2.14...
  • Page 78 Figure 37 LP- 293 REV. 9.2.14...
  • Page 79 Figure 38 – LP-293-A LP- 293 REV. 9.2.14...
  • Page 80: Boiler Start-Up Report

    BOILER START-UP REPORT LIGHT OFF ACTIVITIES DATE COMPLETED ________________ 1) Fill the Check all piping and gas connections, verify all heating system are tight Pressurize system (12 – 15 psi) ____ PSI Add water to prime condensate cup Percentage of glycol in system (0 – 50%) ____ % Verify near boiler piping is properly supported 2) Check gas...
  • Page 81 INSPECTION ACTIVITIES DATE LAST COMPLETED PIPING YEAR YEAR YEAR YEAR* Near boiler piping Check boiler and system piping for any sign of leakage. Continual fresh make-up water will reduce boiler life. Leaking pipes could cause property damage. Make sure all piping is properly supported. Vent Check condition of all vent pipes and joints.
  • Page 82 LP- 293 REV. 9.2.14...
  • Page 83 LP- 293 REV. 9.2.14...
  • Page 84: Maintenance Notes

    MAINTENANCE NOTES LP- 293 REV. 9.2.14...
  • Page 85: Htp Customer Installation Record Form

    HTP 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.

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