HTP HPW-50-6 Installation Start-Up Maintenance Parts
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HTP HPW-50-6 Installation Start-Up Maintenance Parts

Hybrid electric heat pump water heater
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Heat Pump
Water Heater
INSTALLATION
START-UP
MAINTENANCE
PARTS
Hybrid Electric Heat Pump Water Heater Models
HPW-50-6
This manual must be used by a qualified installer/service technician. Read all instructions in this manual before installing. Perform steps
in the given order. 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.
The surfaces of these products contacted by 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.
120 Braley Rd. P.O. Box 429
East Freetown, MA 02717-0429
www.htproducts.com
LP-374 REV. 3.25.14

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Summary of Contents for HTP HPW-50-6

  • Page 1 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 The following defined terms are used throughout this manual to bring attention to the presence of hazards of various risk levels, or to important product information. DANGER indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury. WARNING indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury.

  • Page 3: Table Of Contents

    PART 5 – INSTALLATION CHECKLIST ........................... 18 PART 6 – STARTUP: WHAT TO EXPECT ..........................19 PART 7 – MAINTENANCE CHECKLIST AND ERROR CODES ....................22 INSTALLATION AND MAINTENANCE NOTES ..............................24 HTP CUSTOMER INSTALLATION RECORD FORM ............................. 25 LP-374 REV. 3.25.14...

  • Page 4: Part 1 - General Safety Information

    PART 1 – GENERAL SAFETY INFORMATION For your safety, the information in this manual must be followed to minimize the risk of fire, explosion, electric shock, and to prevent property damage, personal injury, or death. A. PRECAUTIONS This water heater is for indoor installations only. Clearance to combustible materials: 0” top, bottom, sides and back. The water heater must have room for service: 16”...

  • Page 5: Combustible Materials

    Safety and energy conservation are factors to be considered when selecting the water temperature setting via the water heater user interface. Water temperatures above F can cause severe burns or death from scalding. Be sure to read and follow the warnings outlined on the label pictured in Figure 1.

  • Page 6: Safety Considerations

    G. SAFETY CONSIDERATIONS 1. Turn off power to the water heater if it has been subjected to overheating, fire, flood, or physical damage. 2. Do Not turn on water heater unless it is filled with water. 3. Do Not turn on water heater if cold water supply shut-off valve is closed. 4.

  • Page 7: Required Clearances

    Place the water heater in such a manner that the air filter, cover, and front panels can be removed to permit inspection and servicing, such as removal of elements or cleaning of the filter. The water heater and water lines should be protected from freezing temperatures and highly corrosive atmospheres. Do not install the water heater in outdoor, unprotected areas.

  • Page 8: Condensate Drain

    Figure 4 – Front and Rear Clearances Figure 5 – Top Clearance A 16” minimum clearance is required to remove the filter for cleaning. The hot and cold water plumbing and electrical connections must not interfere with the removal of the filter. C.
  • Page 9 Figure 6 – Typical Water Heater Installation Figure 7 – Typical Vertical and Horizontal Piping Details LP-374 REV. 3.25.14...

  • Page 10: Condensation Drain Tubes

    F. CONDENSATION DRAIN TUBES This unit has a built-in condensation tray to collect moisture discharge from the evaporator coil. The water collected in the tray drains out of the tube on the back of the unit. Two flexible hoses are included with this unit. It is important that both of these hoses are attached to the two drain ports on the back of the unit.

  • Page 11: To Fill The Water Heater

    (other than those authorized by the manufacturer) into, onto, or in conjunction with the water heater. The use of unauthorized energy-saving devices may shorten the life of the water heater and may endanger life and property. HTP disclaims any responsibility for such loss or injury resulting from the use of such unauthorized devices. LP-374 REV. 3.25.14...

  • Page 12: Part 3 - Controls

    If local codes require external application of insulation blanket kits, the manufacturer’s instructions included with the kit must be carefully followed. Application of any external insulation, blankets, or water pipe insulation to this water heater will require careful attention to the following: ...

  • Page 13: Display Overview

    Confirms inputs and locks or unlocks the key pad. Press this key for 3 seconds to lock or unlock the key pad. In order to confirm Mode or set point temperature inputs, hold this key for 10 seconds. 8. MODE Button Allows users to choose an operating mode.

  • Page 14: Setting The Water Temperature

    3. High Temperature Setting If the temperature set by user or actual temperature is above 120 F, this icon lights. This icon will shut off if water temperature is less than 120 F, or when the display is in screen save mode. 4.

  • Page 15: Adjusting The Function Mode

    After the desired temperature setting has been selected, press ENTER to accept the setting. If the water temperature setting is changed and the ENTER key is not pressed to accept it after 10 seconds of no control activity, the control will automatically revert to the previous temperature setting.

  • Page 16: Demand Response

    2. Diagnostic Function To query appliance diagnostics, press and hold the ENTER and UP buttons together for one second. After opening the Diagnostic Function, use the UP and DOWN arrows to scroll through the diagnostics. DISPLAY CODE (2) DESCRIPTION VALUE (1) Actual Temperature T2, Water Tank Temperature Actual Temperature...

  • Page 17: Part 4 - Maintenance, Vacation, And Cleaning

    A heat pump water heater equipped with a DR module will automatically recognize what energy cost rate is available and adjust its mode and temperature setting to use less energy when rates are medium, high, and critical. When the heat pump water heater responds to these signals, it will display the letters “EP”...

  • Page 18: Vacation And Extended Shutdown

    C. VACATION AND EXTENDED SHUTDOWN If the water heater is to remain idle for an extended period of time, the power and water to the water heater should be turned off to conserve energy and prevent a buildup of dangerous hydrogen gas. The water heater and piping should be drained if they might be subjected to freezing temperatures.

  • Page 19: Part 6 - Startup: What To Expect

    Are the tank and all related plumbing connections leak free? 3. Condensate lines are in place: a. Short tube on upper drain nozzle and directed to catch pan or floor drain. b. Longer tube on lower drain nozzle and directed into a floor drain or a condensate pump. 4.
  • Page 20 Figure 17 - Parts Figure 18 – Junction Box Parts LP-374 REV. 3.25.14...
  • Page 21 Figure 19 – Heat Pump Parts, Sensors, and T2 Sensor (Upper Element) Locations ITEM # DESCRIPTION REPLACEMENT PART # Inlet Dip Tube 7200P-001 Magnesium Anode Rod (not shown) 7200P-002 Outlet Dip Tube 7200P-003 Electric Heating Element 7200P-004 Display 7200P-005 Display Panel 7200P-006 Fan Motor Cover 7200P-007...

  • Page 22: Part 7 - Maintenance Checklist And Error Codes

    PART 7 – MAINTENANCE CHECKLIST AND ERROR CODES Before calling for service, follow the troubleshooting tips below. You may not have to call for service. PROBLEM POSSIBLE CAUSES WHAT TO DO Some amount of fan noise is normal (similar to the blower on a central heating or cooling system).
  • Page 23 The following table describes error codes and possible solutions. If your water heater displays an error code, call a qualified service agent to fix the problem. ERROR DESCRIPTION WHAT TO DO CODE Inspect for proximity to high voltage power sources. 1.

  • Page 24: Installation And Maintenance Notes

    INSTALLATION AND MAINTENANCE NOTES LP-374 REV. 3.25.14...

  • Page 25: 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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