Rheem HP40RU manual

W a t e r H e a t e r s E l e c t r i c R e s i d e n t i a l H e a t P u m p The purpose of this manual is twofold: one, to provide the installer with the basic directions and recommendations for the proper installation and adjustment of the water heater; and two, for the owner–operator , to explain the features, operation, safety precautions, m[...]

C a r e a nd Cl ea ni ng D r a i n i n g ................ 1 7 M ai nt en an ce . . . . . . . . . . . . . 17 Ex te nd ed Sh ut -D ow n . . . . . 1 8 S a fe ty In fo rm at io n S af et y P re ca ut io ns . . . . . . . 3 , 4 I n st al la ti on In st ru ct io ns L o c a t i o n ................. 5 W a te r C on ne ct io ns . . . . . . . . 6 Re li ef V [...]

The chart shown above may be used as a guide in determining the proper water temperature for your home. ! DANGER: Households with small children, disabled, or elderly persons may require a 120°F or lower thermostat setting to prevent contact with “HOT” water . The temperature of the water in the heater is regulated by the water heater interfac[...]

4 I M P O R T A N T S A F E T Y I N F O R M A T I O N . R E A D A L L I N S T R U C T I O N S B E F O R E U S I N G . W A R N I NG ! For your safety , the information in this manual must be followed to minimize the risk of fire or explosion, electric shock, or to prevent property damage, personal injury , or loss of life. Be sure to read and unders[...]

I n s t a l l i n g th e w a t e r h e a t er . The location chosen for the water heater must take into consideration the following: Local Installation Regulations This water heater must be installed in accordance with these instructions, local codes, utility codes, utility company requirements or , in the absence of local codes, the latest edition[...]

I n s t a l l i n g th e w a t e r h e a t er . 6 Thermal Expansion Det erm ine if a chec k valv e exi sts in the inl et water line. Check with your loc al wat er uti lit y . It ma y have been insta lled in the cold water line as a separ ate back flow pre ven ter , or it may be part of a press ure red uci ng valve , wate r met er or water sof ten e[...]

! W A RN I N G: T h e p r e ss u r e rating of the relief valve must not exceed 150 PSI, the maximum working pressure of the water heater as marked on the rating plate. A new combination temperature and pressure relief valve, complying with the Standard for Relief V alves and Automatic Gas Shut-Off Devices for Hot W ater Supply Systems, ANSI Z21.22[...]

8 I n s t a l l i n g th e w a t e r h e a t er . Electrical Connections T o Fill the W ater Heater Make certa in the drain valve is compl etely closed. Open the shut-off valve in the cold water supply line. Open each hot water faucet slowly to allow the air to vent from the water heater and piping. A st ead y fl ow of wa te r fro m the hot wa ter [...]

Insulation blankets, available to the general public, for external use on electric water heaters are not necessary . The purpose of an insulation blanket is to reduce the standby heat loss encountered with storage tank heaters. This water heater meets or exceeds the National Appliance Energy Conservation Act standards with respect to insulation and[...]

10 I n s t a l l i n g th e w a t e r h e a t er . Please install the insulation on the cold water supply inlet and the hot water outlet as shown in the illustration. Hot and Cold Pipe Insulation Installation For increased energy efficiency , this water heater has been supplied with two 2-3/8” sections of pipe insulation. Please install the insul[...]

I n s t a l l a t i on C h e c k l i st 1 1 A. W ater Heater Location ❑ Clo se to a re a of he ate d wat er de man d. ❑ Ind oor s an d pro tec te d fro m moi stu re , we t con dit io ns an d fre ezi ng te mpe ra tur es . ❑ Are a fr ee of fl am mab le vap ors . ❑ 1,0 00 cu. ft unc ond iti on ed in doo r sp ace . ❑ Pro vis io ns mad e to p [...]

The water heater is equipped with a tem perat ure limiting control (ECO) that is located above the upper heating element in contact wi th the ta nk su rfa ce . If fo r any re as on th e water temperature becomes excessively high, the temperature limiting control (ECO) breaks the power circuit to the heating element. Once the control opens , it must[...]

13 For the most efcient 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, u[...]

14 C a r e a n d c l e a n in g o f t he w a t e r h e a t e r . Draining the W ater Heater CAUTION: Shut off power to the water heater before draining water . DANGER: Before manually operating the relief valve, make certain no one will be exposed to the hot water released by the valve. The water drained from the tank may be hot enough to present a[...]

15 V acation and Extended Shut-Down If the wate r heat er is to rem ain idle for an extended period of time, the power and water to the appliance should be turned off to conserve energy and prevent a build-up of dangerous hydrogen gas. The water heater and piping should be drained if they might be subjected to freezing temperatures. After a long sh[...]

16 B e f o r e Y o u C a l l F o r S er v i c e … T roubleshooting Tips Save time and money! Review the chart on this page first and you may not need to call for service. Problem Possible Causes What to Do Rumbling noise W ater conditions in your home caused a build up of scale or mineral deposits in the water heater . ● Allow a few quarts of w[...]

17 1 4 0 1 3 0 1 2 0 1 10 1 0 0 9 0 T H E R M - O - D I S C Air Filter T emperature & Pressure Relief V alve Drain V alve R e p l a c e m e n t P a r t s . For 50 gallon Heat Pump W ater Heaters. Instructions For Placing a Parts Order Address parts orders to the distributor or store where the heater was purchased. All parts orders should includ[...]

18 C a v i t y I n s e rt I n s t r u c ti o n s The following instructions are intended for qualified service personnel ONL Y , and should only be done when necessary . In order to replace the ECO,thermistor or heating element, remove the cavity insert crossbar by following the instructions below: T urn off the power to the water heater . Remove t[...]

19 W i r in g D i a g r a m[...]

20 h e a d I F Y O U N E E D S E R V I C E 1. Sh ou ld y ou ha ve an y qu es ti on s ab ou t y our ne w w at er hea te r , o r i f it re qu ire s a dj us tme nt , re pai r , or ro ut ine ma in te na nc e, i t is su gg es te d t ha t yo u fi rs t co nt ac t yo ur ins ta lle r , p lum bi ng c on tra ct or o r pr ev iou sl y ag ree d u pon se rv ice a[...]