Hubbell RFHP-R Installation Manual
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Hubbell RFHP-R Installation Manual

Heat pump water heater
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Geyser-R
Heat pump water heater
Installation manual
1
Version 2.9

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  • Page 1 Geyser-R Heat pump water heater Installation manual Version 2.9...

  • Page 2: Safety Information

    SAFETY INFORMATION Please read carefully to prevent serious accidents or injury. The Geyser-R Heat Pump Water Heater must be installed in the accordance with Local and National codes as well as the installation instructions in this manual. Before beginning the installation, carefully read the entire manual and check the local, state, and national codes regarding building, electrical, and plumbing installations, or check with your local authorities for clarification of these codes.

  • Page 3: System Requirements

    SYSTEM REQUIREMENTS  The Geyser-R should only be installed in a dry/covered location. The Geyser-R is not designed to be installed outside where it can be exposed to adverse weather condition. The ambient air temperature in the installation area should not drop below 50°F (10°C). The cubic area of the space needs to be 1,000 cubic feet or greater for proper air flow and to avoid excessive cooling of the area.

  • Page 4: Installation Parts

    INSTALLATION PARTS The Geyser-R comes with the following installation kit: Description 4”x ¾” Nipple ¾” Tee Dip tube ¾”FH x ¾” FIPS, with washers. ¾”PEX x ¾” MIP Teflon Tape Red Wire nut Strain relief 6’ Condensate tubing Version 2.9...
  • Page 5 You will need to provide the following components to complete the installation: ¾” Pex tubing. Pex tubing crimps ¾” Armaflex ¾” insulation (not split Rubatex) Optional: 2 shut-off valves Furthermore, a transfer pump is recommended to drain the tank. This installation method is designed to bring the most efficiency for the system. Deviating from the following installation procedure will affect the efficiency of the unit.
  • Page 6 It is recommended that you contact Hubbell Electric Heater Company office (203-378-2659) and speak with technical support to see if the Geyser-R can be used in a particular application other than an electric water heater.

  • Page 7: Installation Instructions

    INSTALLATION INSTRUCTIONS  Turn off all power to the water heater at the circuit breaker in the electric panel. Plumbing Installation  Turn off the cold water inlet at the service valve above the water heater.  Open one or more hot water faucets in the house to relieve the water pressure in the hot water tank;...
  • Page 8  Remove the drain valve from the bottom of the tank and set aside for use in a later step.  Properly using thread seal tape, wrap all ¾” NTP* male threads. *NTP fittings do not include fittings on Geyser front panel. These are standard hose thread fittings.
  • Page 9  Install 4”x ¾” brass nipple into the drain valve opening.  Do not over tighten. Version 2.9...
  • Page 10  Screw one of the two brass “T” fittings into the end of the nipple installed in the drain location.  Apply thread seal tape to both ends of the brass fitting with the plastic water-in feed tube and screw into the “T”. Make sure the plastic slides in freely. Version 2.9...
  • Page 11  Install the second “T” on to the exposed end of the pipe with the plastic fitting. Version 2.9...
  • Page 12  Install the drain valve (removed from the tank) onto the exposed end of the fittings.  Carefully tighten assembly down so exposed end of the “T’s” are in a horizontal position and the drain faces down. Version 2.9...
  • Page 13  Apply thread tape to two (2) of the ¾” PEX x ¾” MIP fittings.  Install the ¾” PEX x ¾” MIP fittings into the (2) two “T’s.”  Install the washer into the (2) two ¾” FH x ¾” FIPS fittings. Make sure the washer is seated into the bottom of the fitting to ensure a proper seal.
  • Page 14  Screw the remaining (2) two ¾”PEX x ¾” MIPS (using thread tape) into the (2) two ¾” FH x ¾”FIPS fittings.  Tighten the (2) two ¾”FH x ¾”FIPS fitting onto the water inlet and water outlet on the front of the Geyser-R.
  • Page 15  Place the Geyser-R in the final location.  The Geyser-R should be placed as close as possible to the water heater to minimize heat loss through the piping.  Optional: If desired, at this time add a shut-off valve to each line (this is an alternative installation, that may reduce the unit efficiency slightly) ...
  • Page 16  Slide a measured length of Armaflex onto each of the PEX lines.  Now repeat the process of connecting, and securing the PEX to the (2) ¾” PEX barb fittings on the water inlet and outlet of the Geyser-R. ...
  • Page 17 “Tee” at the drain valve. Note: The following installation requires the cold water inlet to the water tank to be cut and a tee or connector assembly will need to be soldered in place. Hubbell recommends this installation be done by a licensed plumber.

  • Page 18: Electrical Connection

    Electrical connection  Make sure all electric is shut off to the unit to avoid element damage.  Remove the cover that protects the bottom element and thermostat wiring and place it aside.  Using a drill, make a hole (7/8”od) in the middle of the cover. Version 2.9...
  • Page 19  Attach the strain relief in the hole and tighten the nut on the back to hold the relief in place.  Insert the electrical power line from the Geyser-R through the strain relief. There will be two wires to insert, one will be a bare wire, the other will have a terminal connector on Version 2.9...
  • Page 20  Carefully remove the plastic shield that covers the element terminal and thermostat.  Disconnect one of the wires from the lower element terminal.  Connect the wire with the fork connector to the terminal block. Version 2.9...
  • Page 21  Using the red wire nut (provided) connect the wire removed from the terminal of the water tank to the stripped wire from the Geyser-R.  Place a piece of black tape over the red wire nut to hold it in place. Version 2.9...
  • Page 22  Replace plastic shield back over the terminal and thermostat.  Pull wires through strain relief and push metal cover back over thermostat and element.  Tighten the grommet on the front of the strain relief over the wires.  Secure the cover to the tank with the screws.
  • Page 23  Plug unit into a 115V receptacle.  Turn power back on at the panel.  Turn on the Geyser-R. Version 2.9...

  • Page 24: Frequently Asked Questions/Troubleshooting

    The Geyser will now operate normally. (There may be a 5 minute delay in starting). If the situation persists, turn the Geyser off and call for service. Call technical support at Hubbell Electric Heater Co. 203-378-2659. Question Answer...
  • Page 25 Push the red reset button next to the power switch. The Geyser switched off Geyser will now operate normally. (There may be a 5 minute delay in starting). If the situation persists, turn the Geyser off and call for service. Call technical support at Hubbell. 203-378-2659. Version 2.9...
  • Page 26 Version 2.9...

  • Page 27: Warranty

    Hubbell makes no warranty as to the fitness of the equipment for a particular use and shall not be liable for any direct, indirect, or consequential damages in conjunction with this contract/and or the use of the equipment.

  • Page 28: Air Filter

    The air filter on the back of the unit should be cleaned whenever it is visibly dirty. The filter can be cleaned by simply hand washing in water. Replacement filters may be purchased from Hubbell. Evaporator: the evaporator underneath the filter can become clogged or dirty. It may be cleaned by vacuuming or by a service provider and professionally cleaned.
  • Page 29 www.buytankless.com Version 2.9...

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