Basic Water Heater Operation, Electric Heat Only

Basic Water Heater Operation

For the most efficient operation of the heat pump water heater, the "Energy Saver" mode is recommended. Press the key on the control pad labeled "En- ergy Saver". The corresponding LED will light up upon activation.

If the "Energy Saver" setting does not supply enough hot water or additional hot water is needed, use the "Normal" setting. Press the key on the control pad labeled "Normal". The correspond- ing LED will light up upon activation.

If electric heat only is desired, press the "Electric Heat Only" option in the bottom right corner of the control.

This mode will run for approximately 2 weeks then return to the mode and temperature settings set by the user.

If the water temperature setting needs adjustment, use the up arrow key to in- crease water temperature and the down arrow key to decrease water tempera- ture.

As the temperature of the water increas- es, the led lights on the right side of the "Temperature Setting" will illuminate to indicate the temperature of the water.

To turn the water heater "OFF", press the "OFF" key in the bottom left corner of the control pad.

Heat Pump Water Heater Sequence of Operation

Operational Modes:

Hot

Two major modes of operation will be utilized:

Energy Saver

This mode will provide functional control operation resulting in water heater performance that meets Energy Star requirements. As a result, compressor operation will be maximized and use of electric heat will be minimized.

Normal / High Demand

This mode will maximize the performance of the water heater while still providing good energy savings. Primary goal is to maintain water heater performance that meets or exceeds a comparable electric water heater.

Temperature Settings:

Normal / Warm

Tank temperature will be maintained at 120-124º F. Compressor operation will be allowed whenever the tank temperature at the lower heating element location falls to 105º F or below.

Tank temperature will be maintained at 130-135º F. Compressor operation will be allowed whenever the tank temperature at the lower heating element falls to 110º F or below.

Vacation

Tank temperature will be maintained at about 90º F. Compressor operation will be allowed whenever the tank temperature at the lower heating element falls to 80º F or below. All other functional aspects will be maintained as described below.

Electric Heat Only:

This mode is utilized in conjunction with Normal, Hot, and Vacation modes. In this mode compressor operation will not be allowed and only the auxiliary electric heat will be allowed. Temperature set points noted with each of the modes will be used to turn the auxiliary electric heat on as required.

This mode can only be utilized on a short term basis. Currently, this mode will be allowed for a period of 2 weeks. After this time period, the water heater will be returned to the mode and temperature settings previously set by the user.

HP50RH, HP50RU, 92-103234-02, HP40RU, AP15121-1 specifications

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