American Standard HPWH50G-AS, Owners And Operation Manual

Page 1: ...e Please ask a certified electrician to install a reliable earth connection Refer to page 1 Your safety is important to us WARNING THIS UNIT REQUIRES EARTH CONNECTION MAKE SURE THERE IS A RELIABLE CONNECTION BEFORE USAGE OTHERWISE IT MAY CAUSE DEATH OR INJURY HPWH50G AS Residential Electric Heat Pump Water Heater ...

Page 2: ...el The actual shape shall remain consistent PARTS NAMES Upper Top Cover Filter Rear Shroud Evaporator Temperature Pressure ReliefValve Water Outlet Water Inlet Upper Heating Element Drain valve Lower heating element Cover Electric Lower Front Decorative Board Cover Electric Upper TCO T2 Display Front Shroud Fan Assembly Electronic Control Box 2 HEAT PUMP WATER HEATER ...

Page 3: ...ater temperature setting via the water heater s user interface Water temperatures above 120 F can cause severe burns or death from scalding Be sure to read and follow the warnings outlined on the label pictured below This label is also located on the water heater near the top of the tank Water temperature over 120ºF can cause severe burns instantly or death from scalds The electronic temperature c...

Page 4: ... be used open doors and windows for ventilation E If there is any difficulty in understanding or following the Operating Instructions or the Care and Cleaning section it is recommended that a qualified person or serviceman perform the work NOTE Households with small children disabled or elderly persons may require a 120 F or lower thermostat setting to prevent contact with HOT water NOTE Air curre...

Page 5: ...error or under protection Power For starting or shutting down the unit please note when the unit is stand by the power function can still be utilized Vacation Use this button during times of no water usage such as vacation for an extended period of time Down Use Down arrow to decrease the value or turn page down Enter To confirm or unlock the key After changing the set point temperature through ke...

Page 6: ...nd no other utoloc unct on uer unct on creen aver TURNING ON THE WATER HEATER 1 7 8 9 2 3 4 5 6 10 11 ea oad h t ng ode ea oad h t ng ode 2 110 F gh e perature ett ng 120 F 120 F oc con lar con acat on Use Down arrow to decrease the value or turn page down 6 ...

Page 7: ...inated When operating at 120 F TS 110 F the lower 2 phases will be illuminated When operating at 110 F TS 100 F the lowest phase will be illuminated Note TS is the preset water temperature 1 1 Parameter Icon This icon will be illuminated when a power supply is connected Normally it will show water temperature however when there is error or protection it will show an error code or protection code W...

Page 8: ...ntact a licensed plumber or the local plumbing authority for further information The chart below may be used as a guide in determining the proper water temperature for your home TO ADJUSTTHETEMPERATURE Press the UP or DOWN key on the control panel Then the temperature can be increased or decreased After the desired temperature setting has been achieved please press the ENTER key to accept this set...

Page 9: ...nergy while the heater is sitting idle The unit will automatically resume heating one day before your return so that hot water will be available For example if you will be gone 7 days press the VACATION button press the UP arrow button until the display reads 7 days the default is 7 days and press ENTER The unit will drop the water temperature down to 50ºF for 6 days At the end of the 6th day it w...

Page 10: ...Temperature and Pressure Relief Valve At least once a year lift and release the lever handle on the temperature and pressure relief valve located on the back left side of the water heater to make certain the valve operates freely Before manually operating the relief valve make certain no one will be exposed to the hot water released by the valve The water may be hot enough to create a scald hazard...

Page 11: ...mportant to get the highest efficiency Occasionally this filter will need to be cleaned at least once a year When the filter requires cleaning the red light above the filter button will be illuminated and an audible beep will sound The screen will display instructions that the filter needs to be cleaned When this screen displays this message you can press the arrow button for instructions on how t...

Page 12: ... kinked the condensate will exit from the secondary drain tube onto the floor This is intended as a notification to the user that the primary drain is clogged Remove the drain hose and clear any debris Reattach Periodically inspect the drain lines and clear any debris that may have been collected in the lines See Installation Instructions for more information 3 Secondary drain tube overflow Main d...

Page 13: ...e at least 10 x 10 x 7 700 cubic feet or larger If the room is smaller there must be a louvered door 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 the filter The water heater and water lines should be protected from freezing temperatures highly corrosive atmospheres Do not...

Page 14: ...cover and any objects The recommended clearance to use is 7 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 The unit has a condensate drain therefore a drain must be available in close proximity to the unit The drain must not be higher than 36 above the floor laundry dr...

Page 15: ...eferred to as an open water system As water is heated it expands in volume and creates an increase in the pressure within the water system This action is referred to as thermal expansion In an open water system expanding water which exceeds the capacity of the water heater flows back into the city main where the pressure is easily dissipated A closed water system however prevents the expanding wat...

Page 16: ...water supply Thermal expansion tank if required Relief valve discharge line to suitable open drain Drain valve Auxiliary catch pan 2 maximum Electrical junction box use only copper conductors Hot water outlet to fixtures Temperature Pressure Relief Valve shown in different location for clarity 16 HEAT PUMP WATER HEATER ...

Page 17: ... used should be of a type approved for hot water distribution The discharge line must be no smaller than the outlet of the valve and must pitch downward from the valve to allow complete drainage by gravity of the relief valve and discharge line The end of the discharge line should not be threaded or concealed and should be protected from freezing No valve of any type restriction or reducer couplin...

Page 18: ... sheathed cable not approved to be used as a ground conductor shall include a separate conductor for grounding It should be attached to the ground terminals of the water heater and the electrical distribution box Junction box cover Water heater junction box 240V Ground screw L1 L2 The tank must be full of water before heater is turned on The water heater warranty does not cover damage or failure r...

Page 19: ...lowed Application of any external insulation blankets or water pipe insulation to this water heater will require careful attention to the following Do not cover access panels to the heating elements Do not cover the electrical junction box of the water heater Do not cover the operating or warning labels attached to the water heater or attempt to relocate them on the exterior of the insulation blan...

Page 20: ...on Image ACCESSORIES Accessory name Installation Owner s Manual Wind Ring Selective Drain pipe short for water condensation Drain pipe for water condensation 1 1 1 1 Purpose Owner s comprehensive installation safety warning instructions To connect the Air Duct Secondary Condensate Drain Hose Primary Condensate Drain Hose 20 HEAT PUMP WATER HEATER ...

Page 21: ...er Wire Size AWG Based Heater Wattage on N E C Table 310 16 75 C 3 000 4 000 4 500 5 000 5 500 6 000 8 000 9 000 10 000 11 000 12 000 3 000 4 000 4 500 5 000 5 500 6 000 8 000 9 000 10 000 11 000 12 000 20 25 30 30 35 40 50 12 10 10 10 8 8 8 20 25 25 30 30 35 45 50 12 10 10 10 10 8 8 8 15 20 25 25 25 30 40 45 50 50 14 12 10 10 10 10 8 8 8 8 15 15 15 15 15 20 25 25 30 30 35 14 14 14 14 14 12 10 10 ...

Page 22: ...s User efficient heat pump for majority of heating NOTE The heat pump operating ranges are from 45 F to 120 F If the ambient temperature is outside of this range the heat pump will not be able to run and the backup electric elements will be used until the ambient temperature returns to the normal operating range 22 1 Tank location 1 Check if room size less than 10 x 10 x 7 700 cu ft If yes louvere...

Page 23: ... level seems unusually loud then contact service If noise level has been increasing over several weeks or months the filter may be getting dirty thus making the fans work harder Check to see if filter needs to be cleaned See page 13 for instructions Two drain hoses are included with your wa ter heater Connect the longer 6 hose to the lower condensate drain port Connect the short 3 hose to the uppe...

Page 24: ...ROL BOARD CHECK T4 SENSOR FOR DAMAGE CHECK T4 FOR INTERFERENCE WITH STRONG MAGNETIC FIELD CHECK ACTUAL TEMP SHOULD BE BETWEEN IN 68 F 221 F TOLERANCE 9 F CHECK REFRIGERANT TUBING FOR DAMAGE CHECK FOR REFRIGERANT LEAKAGE CHECK WIRES FOR DAMAGE MEASURE RESISTANCE FROM CONTROL BOARD CONNECTION CHECK WIRE CONNECTIONS FROM SENSOR TO CONTROL BOARD CHECK T5 SENSOR FOR DAMAGE CHECK IF T2 SENSOR WIRING IS ...

Page 25: ...25 Notes ...