Instruction/ maintenance manual of the product PHPT-80 A.O. Smith
Go to page of 20
1 A.O. Smith – V oltex™ Hybrid Electric Heat Pump W ater Heater Installation Instructions and Use & Care Guide T o obtain technical, warranty or service assistance during or after the installation of this water heater , call toll free 1-800-527-1953 When calling for assistance, please have the following information ready: 1.
2 Y our safety and the safety of others are very important. We have provided many important safety messages in this manual and on your appliance. Always read and obey all safety messages. This is the safety alert symbol. This symbol alerts you to potential hazards that can kill or hurt you and others.
3 INST ALLING YOUR W A TER HEA TER Consumer Information This water heater should be installed in accordance with the local code authority having jurisdiction, the power company or electric utility , and this installation manual.
4 Figure 3 Residential Garage Installation Vehicle Stop Drain Drain Pan NOTE: The water heater shall be located so it is not subject to physical damage by moving vehicles or area fl ooding. State of California NOTE: The water heater must be braced, anchored, or strapped to avoid moving during an earthquake.
5 W ater System Piping Piping, fi ttings, and valves should be installed according to the installation drawing (Figure 4). If the indoor installation area is subject to freezing temperatures, the water piping must be properly insulated. W ater supply pressure should be 50-60 PSIG and not exceed the maximum 80 PSIG.
6 Please note the following: • The system should be installed only with piping that is suitable for potable (drinkable) water such as copper , CPVC, or polybutylene. This water heater must not be installed using iron piping or PVC water piping. • Use only pumps, valves, or fittings that are compatible with potable water .
7 T o reduce the risk of excessive pressures and temperatures in this water heater , install temperature and pressure relief protective equipment required by local codes, but no less than a combinatio.
8 Locate the hot water (outlet) & cold water (inlet) pipes 4. to the water heater . Locate the slit running the length of a section of pipe 5. insulation. Spread the slit open and slip the insulation over the 6. cold water (inlet) pipe. Apply gentle pressure along the length of the insulation to ensure that it is fully seated around the pipe.
9 Figure 8A Junction Box Ground Wire Conduit (Field Connection) Black Wire Red Wire Green Ground Wire Red Black Approved Connectors Figure 9 Wiring Diagram Overload Protection T o 240v 1 Phase Power s.
10 W ater Heater Location Centrally located with the water piping system. □ The fl ooring beneath the water heater must be able to □ support the weight of the water heater when fi lled with water (967 lbs. full). Located indoors (such as a basement or garage) □ and in a vertical position.
11 OPERA TING YOUR W A TER HEA TER Before Using Make sure the water heater has been properly 1. installed. See “Installing Y our Water Heater” section. Make sure the air filter is correctly seated, as it may 2. shift during shipping or installation.
12 Adjusting the User Interface Module/Operational Modes °F/°C LOCK HEAT PUMP ELEMENT EFFICIENCY F VACA TION ELECTRIC HYBRID EFFICIENCY Power Button: On - Green Standby - Red T emperature Down (Decr.
13 Operational Conditions Powered Anode Operation T o shelter the glass-lined water tank from corrosion through electrolysis, this water heater is equipped with a non-sacrificial powered anode which should not need to be replaced under normal operating conditions.
14 MAINTENANCE OF YOUR W A TER HEA TER T emperature and Pressure Relief V alve Manually operate the temperature and pressure relief valve at least once a year to make sure it is working properly . T o prevent water damage, the valve must be properly connected to a discharge line which terminates at an adequate drain.
15 Remove the access cover(s), then remove the foam 4. insulation block. Remove the protective plastic cover(s) over the 5. elements from their attachment point. Disconnect the electrical wires from the heating 6. element(s) by loosening the screws (Figure 12).
16 DIAGNOSTIC CODES DISPLA Y SHOWS INDICA TES CORRECTIVE ACTION UPPER ELEMENT CONNECT F AUL T 1. Upper element is not functioning T urn off power at the circuit breaker/fuse 1. box and check for a loose connection at the element. For access directions see “Heating Element Replacement” section.
17 TROUBLESHOOTING CHART PROBLEM POSSIBLE CAUSE(S) CORRECTIVE ACTION NO HOT W A TER Hot water usage pattern exceeds the 1. capability of the water heater in current mode No power to the water heater 2. Unit in standby 3. Unit in V acation mode 4. High temperature limit switch open 5.
18 REP AIR P ART ILLUSTRA TION ITEM NO. P ARTS DESCRIPTION 1 Upper Access Cover 2 Lower Access Cover 3 Upper Element (4500 W atts) 4 Lower Element (2000 W atts) 5 Energy Cut-Off (ECO) Switch 6 T emper.
19 NOTES.
20 Copyright © 2010 A.O. Smith Corporation. All rights reserved..
An important point after buying a device A.O. Smith PHPT-80 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought A.O. Smith PHPT-80 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data A.O. Smith PHPT-80 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, A.O. Smith PHPT-80 you will learn all the available features of the product, as well as information on its operation. The information that you get A.O. Smith PHPT-80 will certainly help you make a decision on the purchase.
If you already are a holder of A.O. Smith PHPT-80, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime A.O. Smith PHPT-80.
However, one of the most important roles played by the user manual is to help in solving problems with A.O. Smith PHPT-80. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device A.O. Smith PHPT-80 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center